Fixed possible crash on map unload

On big IMG maps that are "digitaly" zoomed out, the tile memory may not be
sufficient for the whole display area which leads to "cache ping-pong", image
artefacts and 100% CPU usage. 512MB RAM should be available for everyone on
the desktop these days...

.appveyor.yml

@@ -1,4 +1,4 @@
-version: 10.8.{build}
+version: 11.1.{build}
 
 configuration:
   - Release

.github/workflows/linux.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Install dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install qtbase5-dev qtbase5-private-dev qtbase5-dev-tools qt5-qmake qttools5-dev-tools libqt5opengl5-dev qtpositioning5-dev
+          sudo apt-get install qtbase5-dev qtbase5-private-dev qtbase5-dev-tools qt5-qmake qttools5-dev-tools libqt5opengl5-dev qtpositioning5-dev libqt5svg5-dev
       - name: Create localization
         run: lrelease gpxsee.pro
       - name: Configure build

README.md

@@ -21,13 +21,13 @@ GPS log file formats.
 * Full-screen mode.
 * HiDPI/Retina displays & maps support.
 * Real-time GPS position.
-* Native GUI for Windows, Mac OS X and Linux.
+* Windows, macOS, Linux and Android builds.
 
 ![GPXSee - Linux](https://a.fsdn.com/con/app/proj/gpxsee/screenshots/linux2.png)
 
 ## Build
 Build requirements:
-* Qt5 >= 5.11 or Qt 6.x*
+* Qt5 >= 5.11 or Qt6* >= 6.2
 * C++11 or newer compiler (tested: msvc2017, gcc 7.5.0, clang/Apple LLVM version
   10.0.0)
 
@@ -42,8 +42,9 @@ _* Qt6 builds do not support other encodings than UTF-X and iso8859-1 in XML
 files as support for such files was dropped in Qt6._
 
 ## Download
-* [Windows & OS X builds](http://sourceforge.net/projects/gpxsee)
-* [Linux packages](http://software.opensuse.org/download.html?project=home%3Atumic%3AGPXSee&package=gpxsee)
+* [Windows & OS X builds](https://sourceforge.net/projects/gpxsee)
+* [Linux packages](https://software.opensuse.org/download.html?project=home%3Atumic%3AGPXSee&package=gpxsee)
+* [Android APKs](https://play.google.com/store/apps/details?id=org.gpxsee.gpxsee)
 
 ## Changelog
 [Changelog](https://build.opensuse.org/package/view_file/home:tumic:GPXSee/gpxsee/gpxsee.changes)

gpxsee.pro

@@ -1,9 +1,9 @@
-unix:!macx {
+unix:!macx:!android {
     TARGET = gpxsee
 } else {
     TARGET = GPXSee
 }
-VERSION = 10.8
+VERSION = 11.1
 
 QT += core \
     gui \
@@ -13,7 +13,8 @@ QT += core \
     concurrent \
     widgets \
     printsupport \
-    positioning
+    positioning \
+    svg
 greaterThan(QT_MAJOR_VERSION, 5) {
     QT += openglwidgets \
           core5compat
@@ -24,6 +25,7 @@ INCLUDEPATH += ./src
 HEADERS += src/common/config.h \
     src/GUI/crosshairitem.h \
     src/GUI/motioninfoitem.h \
+    src/GUI/navigationwidget.h \
     src/GUI/pluginparameters.h \
     src/common/garmin.h \
     src/common/coordinates.h \
@@ -246,6 +248,7 @@ HEADERS += src/common/config.h \
 SOURCES += src/main.cpp \
     src/GUI/crosshairitem.cpp \
     src/GUI/motioninfoitem.cpp \
+    src/GUI/navigationwidget.cpp \
     src/GUI/pluginparameters.cpp \
     src/common/coordinates.cpp \
     src/common/rectc.cpp \
@@ -504,7 +507,7 @@ win32 {
         NOGDI
 }
 
-unix:!macx {
+unix:!macx:!android {
     isEmpty(PREFIX):PREFIX = /usr/local
 
     maps.files = $$files(pkg/maps/*)
@@ -524,3 +527,39 @@ unix:!macx {
     target.path = $$PREFIX/bin
     INSTALLS += target maps csv symbols locale icon desktop mime
 }
+
+android {
+    defineReplace(versionCode) {
+        segments = $$split(1, ".")
+        for (segment, segments): \
+            vCode = "$$first(vCode)$$format_number($$segment, width=3 zeropad)"
+        contains(ANDROID_TARGET_ARCH, armeabi-v7a): \
+            suffix = 0
+        contains(ANDROID_TARGET_ARCH, arm64-v8a): \
+            suffix = 1
+        contains(ANDROID_TARGET_ARCH, x86): \
+            suffix = 2
+        contains(ANDROID_TARGET_ARCH, x86_64): \
+            suffix = 3
+
+        return($$first(vCode)$$first(suffix))
+    }
+
+    include($$OPENSSL_PATH/openssl.pri)
+
+    ANDROID_VERSION_NAME = $$VERSION
+    ANDROID_VERSION_CODE = $$versionCode($$ANDROID_VERSION_NAME)
+    ANDROID_PACKAGE_SOURCE_DIR = $$PWD/pkg/android
+    DISTFILES += \
+        pkg/android/AndroidManifest.xml \
+        pkg/android/build.gradle \
+        pkg/android/res/values/libs.xml
+
+    maps.files = $$files(pkg/maps/*)
+    maps.path = /assets/maps
+    csv.files = $$files(pkg/csv/*)
+    csv.path = /assets/csv
+    symbols.files = $$files(icons/symbols/*.png)
+    symbols.path = /assets/symbols
+    INSTALLS += maps csv symbols
+}

pkg/android/AndroidManifest.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="org.gpxsee.gpxsee" android:installLocation="auto" android:versionCode="-- %%INSERT_VERSION_CODE%% --" android:versionName="-- %%INSERT_VERSION_NAME%% --">
+    <!-- %%INSERT_PERMISSIONS -->
+    <!-- %%INSERT_FEATURES -->
+    <supports-screens android:anyDensity="true" android:largeScreens="true" android:normalScreens="true" android:smallScreens="true"/>
+    <application android:name="org.qtproject.qt.android.bindings.QtApplication" android:extractNativeLibs="true" android:hardwareAccelerated="true" android:label="-- %%INSERT_APP_NAME%% --" android:requestLegacyExternalStorage="true" android:allowNativeHeapPointerTagging="false" android:icon="@drawable/icon">
+        <activity android:name="org.qtproject.qt.android.bindings.QtActivity" android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation|mcc|mnc|density" android:label="-- %%INSERT_APP_NAME%% --" android:launchMode="singleTop" android:screenOrientation="unspecified">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+            <meta-data android:name="android.app.lib_name" android:value="-- %%INSERT_APP_LIB_NAME%% --"/>
+            <meta-data android:name="android.app.arguments" android:value="-- %%INSERT_APP_ARGUMENTS%% --"/>
+            <meta-data android:name="android.app.extract_android_style" android:value="minimal"/>
+        </activity>
+    </application>
+
+</manifest>

pkg/android/build.gradle

@@ -0,0 +1,78 @@
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.0.2'
+    }
+}
+
+repositories {
+    google()
+    mavenCentral()
+}
+
+apply plugin: 'com.android.application'
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
+}
+
+android {
+    /*******************************************************
+     * The following variables:
+     * - androidBuildToolsVersion,
+     * - androidCompileSdkVersion
+     * - qtAndroidDir - holds the path to qt android files
+     *                   needed to build any Qt application
+     *                   on Android.
+     *
+     * are defined in gradle.properties file. This file is
+     * updated by QtCreator and androiddeployqt tools.
+     * Changing them manually might break the compilation!
+     *******************************************************/
+
+    compileSdkVersion androidCompileSdkVersion.toInteger()
+    buildToolsVersion androidBuildToolsVersion
+    ndkVersion androidNdkVersion
+
+    sourceSets {
+        main {
+            manifest.srcFile 'AndroidManifest.xml'
+            java.srcDirs = [qtAndroidDir + '/src', 'src', 'java']
+            aidl.srcDirs = [qtAndroidDir + '/src', 'src', 'aidl']
+            res.srcDirs = [qtAndroidDir + '/res', 'res']
+            resources.srcDirs = ['resources']
+            renderscript.srcDirs = ['src']
+            assets.srcDirs = ['assets']
+            jniLibs.srcDirs = ['libs']
+       }
+    }
+
+    tasks.withType(JavaCompile) {
+        options.incremental = true
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    lintOptions {
+        abortOnError false
+    }
+
+    // Do not compress Qt binary resources file
+    aaptOptions {
+        noCompress 'rcc'
+    }
+
+    defaultConfig {
+        resConfig "en"
+        minSdkVersion qtMinSdkVersion
+        targetSdkVersion qtTargetSdkVersion
+        ndk.abiFilters = qtTargetAbiList.split(",")
+    }
+}

pkg/android/gradle.properties

@@ -0,0 +1,14 @@
+# Project-wide Gradle settings.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2500m -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+
+# Enable building projects in parallel
+org.gradle.parallel=true
+
+# Gradle caching allows reusing the build artifacts from a previous
+# build with the same inputs. However, over time, the cache size will
+# grow. Uncomment the following line to enable it.
+#org.gradle.caching=true

pkg/android/res/values/libs.xml

@@ -0,0 +1,20 @@
+<?xml version='1.0' encoding='utf-8'?>
+<resources>
+    <!-- DO NOT EDIT THIS: This file is populated automatically by the deployment tool. -->
+
+    <array name="bundled_libs">
+        <!-- %%INSERT_EXTRA_LIBS%% -->
+    </array>
+
+    <array name="qt_libs">
+        <!-- %%INSERT_QT_LIBS%% -->
+    </array>
+
+    <array name="load_local_libs">
+        <!-- %%INSERT_LOCAL_LIBS%% -->
+    </array>
+
+    <string name="static_init_classes"><!-- %%INSERT_INIT_CLASSES%% --></string>
+    <string name="use_local_qt_libs"><!-- %%USE_LOCAL_QT_LIBS%% --></string>
+    <string name="bundle_local_qt_libs"><!-- %%BUNDLE_LOCAL_QT_LIBS%% --></string>
+</resources>

pkg/gpxsee64.nsi

@@ -37,7 +37,7 @@ Unicode true
 ; The name of the installer
 Name "GPXSee"
 ; Program version
-!define VERSION "10.8"
+!define VERSION "11.1"
 
 ; The file to write
 OutFile "GPXSee-${VERSION}_x64.exe"

src/GUI/app.cpp

@@ -61,6 +61,10 @@ App::App(int &argc, char **argv) : QApplication(argc, argv)
 	Waypoint::loadSymbolIcons(ProgramPaths::symbolsDir());
 
 	_gui = new GUI();
+
+#ifdef Q_OS_ANDROID
+	connect(this, &App::applicationStateChanged, this, &App::appStateChanged);
+#endif // Q_OS_ANDROID
 }
 
 App::~App()
@@ -93,6 +97,14 @@ int App::run()
 	return exec();
 }
 
+#ifdef Q_OS_ANDROID
+void App::appStateChanged(Qt::ApplicationState state)
+{
+	if (state == Qt::ApplicationSuspended)
+		_gui->writeSettings();
+}
+#endif // Q_OS_ANDROID
+
 bool App::event(QEvent *event)
 {
 	if (event->type() == QEvent::FileOpen) {

src/GUI/app.h

@@ -5,7 +5,7 @@
 
 class GUI;
 
-class App : QApplication
+class App : public QApplication
 {
 	Q_OBJECT
 
@@ -17,6 +17,11 @@ public:
 protected:
 	bool event(QEvent *event);
 
+#ifdef Q_OS_ANDROID
+private slots:
+	void appStateChanged(Qt::ApplicationState state);
+#endif // Q_OS_ANDROID
+
 private:
 	void loadDatums();
 	void loadPCSs();

src/GUI/cadencegraph.cpp

@@ -24,10 +24,17 @@ void CadenceGraph::setInfo()
 	if (_showTracks) {
 		QLocale l(QLocale::system());
 
+#ifdef Q_OS_ANDROID
+		GraphView::addInfo(tr("Avg"), l.toString(avg() * yScale() + yOffset(),
+		  'f', 1) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Max"), l.toString(max() * yScale() + yOffset(),
+		  'f', 1) + UNIT_SPACE + yUnits());
+#else // Q_OS_ANDROID
 		GraphView::addInfo(tr("Average"), l.toString(avg() * yScale()
 		  + yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
 		GraphView::addInfo(tr("Maximum"), l.toString(max() * yScale()
-		  + yOffset(),  'f', 1) + UNIT_SPACE + yUnits());
+		  + yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
+#endif // Q_OS_ANDROID
 	} else
 		clearInfo();
 }

src/GUI/colorbox.cpp

@@ -52,17 +52,19 @@ void ColorBox::paintEvent(QPaintEvent *event)
 
 void ColorBox::mousePressEvent(QMouseEvent *event)
 {
-	if (event->button() != Qt::LeftButton)
-		return;
-	QColorDialog::ColorDialogOptions options = _alpha
-	  ? QColorDialog::ColorDialogOptions(QColorDialog::ShowAlphaChannel)
-	  : QColorDialog::ColorDialogOptions();
-	QColor color = QColorDialog::getColor(_color, this, QString(), options);
-	if (color.isValid()) {
-		_color = color;
-		update();
-		emit colorChanged(_color);
+	if (event->button() == Qt::LeftButton) {
+		QColorDialog::ColorDialogOptions options = _alpha
+		  ? QColorDialog::ColorDialogOptions(QColorDialog::ShowAlphaChannel)
+		  : QColorDialog::ColorDialogOptions();
+		QColor color = QColorDialog::getColor(_color, this, QString(), options);
+		if (color.isValid()) {
+			_color = color;
+			update();
+			emit colorChanged(_color);
+		}
 	}
+
+	QWidget::mousePressEvent(event);
 }
 
 void ColorBox::setColor(const QColor &color)

src/GUI/dirselectwidget.cpp

@@ -9,10 +9,12 @@
 
 DirSelectWidget::DirSelectWidget(QWidget *parent) : QWidget(parent)
 {
-	QFontMetrics fm(QApplication::font());
 	_edit = new QLineEdit();
+#ifndef Q_OS_ANDROID
+	QFontMetrics fm(QApplication::font());
 	_edit->setMinimumWidth(fm.averageCharWidth() * (QDir::homePath().length()
 	  + 12));
+#endif // Q_OS_ANDROID
 	_edit->setPlaceholderText(tr("System default"));
 #ifdef Q_OS_WIN32
 	_button = new QPushButton("...");

src/GUI/elevationgraph.cpp

@@ -54,6 +54,16 @@ void ElevationGraph::setInfo()
 	else {
 		QLocale l(QLocale::system());
 
+#ifdef Q_OS_ANDROID
+		GraphView::addInfo(tr("Up"), l.toString(ascent() * yScale(), 'f', 0)
+		  + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Down"), l.toString(descent() * yScale(), 'f', 0)
+		  + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Max"), l.toString(max() * yScale(), 'f', 0)
+		  + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Min"), l.toString(min() * yScale(), 'f', 0)
+		  + UNIT_SPACE + yUnits());
+#else // Q_OS_ANDROID
 		GraphView::addInfo(tr("Ascent"), l.toString(ascent() * yScale(),
 		  'f', 0) + UNIT_SPACE + yUnits());
 		GraphView::addInfo(tr("Descent"), l.toString(descent() * yScale(),
@@ -62,6 +72,7 @@ void ElevationGraph::setInfo()
 		  0) + UNIT_SPACE + yUnits());
 		GraphView::addInfo(tr("Minimum"), l.toString(min() * yScale(), 'f',
 		  0) + UNIT_SPACE + yUnits());
+#endif // Q_OS_ANDROID
 	}
 }
 

src/GUI/filebrowser.cpp

@@ -5,14 +5,25 @@
 
 FileBrowser::FileBrowser(QObject *parent) : QObject(parent)
 {
+#ifndef Q_OS_ANDROID
 	_watcher = new QFileSystemWatcher(this);
-
 	connect(_watcher, &QFileSystemWatcher::directoryChanged, this,
 	  &FileBrowser::reloadDirectory);
+#endif // Q_OS_ANDROID
 
 	_index = -1;
 }
 
+#ifdef Q_OS_ANDROID
+void FileBrowser::setCurrentDir(const QString &path)
+{
+	QDir dir(path);
+	_files = dir.entryInfoList(_filter, QDir::Files);
+	_index = _files.empty() ? -1 : 0;
+
+	emit listChanged();
+}
+#else // Q_OS_ANDROID
 void FileBrowser::setCurrent(const QString &path)
 {
 	QFileInfo file(path);
@@ -28,6 +39,7 @@ void FileBrowser::setCurrent(const QString &path)
 
 	_index = _files.empty() ? -1 : _files.indexOf(file);
 }
+#endif // Q_OS_ANDROID
 
 void FileBrowser::setFilter(const QStringList &filter)
 {
@@ -46,6 +58,11 @@ bool FileBrowser::isFirst() const
 	return (_files.size() > 0 && _index == 0);
 }
 
+QString FileBrowser::current()
+{
+	return (_index >= 0) ? _files.at(_index).absoluteFilePath() : QString();
+}
+
 QString FileBrowser::next()
 {
 	if (_index < 0 || _index == _files.size() - 1)

src/GUI/filebrowser.h

@@ -14,9 +14,14 @@ class FileBrowser : public QObject
 public:
 	FileBrowser(QObject *parent = 0);
 
-	void setFilter(const QStringList &filter);
+#ifdef Q_OS_ANDROID
+	void setCurrentDir(const QString &path);
+#else // Q_OS_ANDROID
 	void setCurrent(const QString &path);
+#endif // Q_OS_ANDROID
+	void setFilter(const QStringList &filter);
 
+	QString current();
 	QString next();
 	QString prev();
 	QString last();
@@ -32,7 +37,9 @@ private slots:
 	void reloadDirectory(const QString &path);
 
 private:
+#ifndef Q_OS_ANDROID
 	QFileSystemWatcher *_watcher;
+#endif // Q_OS_ANDROID
 	QStringList _filter;
 	QFileInfoList _files;
 	int _index;

src/GUI/fileselectwidget.cpp

@@ -10,10 +10,12 @@
 
 FileSelectWidget::FileSelectWidget(QWidget *parent) : QWidget(parent)
 {
-	QFontMetrics fm(QApplication::font());
 	_edit = new QLineEdit();
+#ifndef Q_OS_ANDROID
+	QFontMetrics fm(QApplication::font());
 	_edit->setMinimumWidth(fm.averageCharWidth() * (QDir::homePath().length()
 	  + 12));
+#endif // Q_OS_ANDROID
 #ifdef Q_OS_WIN32
 	_button = new QPushButton("...");
 	_button->setMaximumWidth(_button->sizeHint().width() / 2);

src/GUI/gearratiograph.cpp

@@ -24,12 +24,21 @@ void GearRatioGraph::setInfo()
 	if (_showTracks) {
 		QLocale l(QLocale::system());
 
+#ifdef Q_OS_ANDROID
+		GraphView::addInfo(tr("Top"), l.toString(top() * yScale(), 'f', 2)
+		  + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Min"), l.toString(min() * yScale(), 'f', 2)
+		  + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Max"), l.toString(max() * yScale(), 'f', 2)
+		  + UNIT_SPACE + yUnits());
+#else // Q_OS_ANDROID
 		GraphView::addInfo(tr("Most used"), l.toString(top() * yScale(),
 		  'f', 2) + UNIT_SPACE + yUnits());
 		GraphView::addInfo(tr("Minimum"), l.toString(min() * yScale(), 'f',
 		  2) + UNIT_SPACE + yUnits());
 		GraphView::addInfo(tr("Maximum"), l.toString(max() * yScale(), 'f',
 		  2) + UNIT_SPACE + yUnits());
+#endif // Q_OS_ANDROID
 	} else
 		clearInfo();
 }

src/GUI/gui.cpp

@@ -53,6 +53,7 @@
 #include "mapitem.h"
 #include "mapaction.h"
 #include "poiaction.h"
+#include "navigationwidget.h"
 #include "gui.h"
 
 
@@ -72,7 +73,11 @@ GUI::GUI()
 	createStatusBar();
 	createActions();
 	createMenus();
+#ifdef Q_OS_ANDROID
+	createNavigation();
+#else // Q_OS_ANDROID
 	createToolBars();
+#endif // Q_OS_ANDROID
 	createBrowser();
 
 	_splitter = new QSplitter();
@@ -83,6 +88,7 @@ GUI::GUI()
 	_splitter->setContentsMargins(0, 0, 0, 0);
 	_splitter->setStretchFactor(0, 255);
 	_splitter->setStretchFactor(1, 1);
+
 	setCentralWidget(_splitter);
 
 	setWindowIcon(QIcon(APP_ICON));
@@ -181,19 +187,23 @@ void GUI::createActions()
 	_navigationActionGroup->setEnabled(false);
 
 	// General actions
+#if !defined(Q_OS_MAC) && !defined(Q_OS_ANDROID)
 	_exitAction = new QAction(QIcon(QUIT_ICON), tr("Quit"), this);
 	_exitAction->setShortcut(QUIT_SHORTCUT);
 	_exitAction->setMenuRole(QAction::QuitRole);
 	connect(_exitAction, &QAction::triggered, this, &GUI::close);
 	addAction(_exitAction);
+#endif // Q_OS_MAC + Q_OS_ANDROID
 
 	// Help & About
 	_pathsAction = new QAction(tr("Paths"), this);
 	_pathsAction->setMenuRole(QAction::NoRole);
 	connect(_pathsAction, &QAction::triggered, this, &GUI::paths);
+#ifndef Q_OS_ANDROID
 	_keysAction = new QAction(tr("Keyboard controls"), this);
 	_keysAction->setMenuRole(QAction::NoRole);
 	connect(_keysAction, &QAction::triggered, this, &GUI::keys);
+#endif // Q_OS_ANDROID
 	_aboutAction = new QAction(QIcon(APP_ICON), tr("About GPXSee"), this);
 	_aboutAction->setMenuRole(QAction::AboutRole);
 	connect(_aboutAction, &QAction::triggered, this, &GUI::about);
@@ -205,6 +215,12 @@ void GUI::createActions()
 	connect(_openFileAction, &QAction::triggered, this,
 	  QOverload<>::of(&GUI::openFile));
 	addAction(_openFileAction);
+#ifdef Q_OS_ANDROID
+	_openDirAction = new QAction(QIcon(OPEN_FILE_ICON), tr("Open directory..."),
+	  this);
+	_openDirAction->setMenuRole(QAction::NoRole);
+	connect(_openDirAction, &QAction::triggered, this, &GUI::openDir);
+#endif // Q_OS_ANDROID
 	_printFileAction = new QAction(QIcon(PRINT_FILE_ICON), tr("Print..."),
 	  this);
 	_printFileAction->setMenuRole(QAction::NoRole);
@@ -459,10 +475,12 @@ void GUI::createActions()
 	  &GUI::showGraphSliderInfo);
 
 	// Settings actions
+#ifndef Q_OS_ANDROID
 	_showToolbarsAction = new QAction(tr("Show toolbars"), this);
 	_showToolbarsAction->setMenuRole(QAction::NoRole);
 	_showToolbarsAction->setCheckable(true);
 	connect(_showToolbarsAction, &QAction::triggered, this, &GUI::showToolbars);
+#endif // Q_OS_ANDROID
 	ag = new QActionGroup(this);
 	ag->setExclusive(true);
 	_totalTimeAction = new QAction(tr("Total time"), this);
@@ -514,6 +532,7 @@ void GUI::createActions()
 	_dmsAction->setCheckable(true);
 	_dmsAction->setActionGroup(ag);
 	connect(_dmsAction, &QAction::triggered, this, &GUI::setDMS);
+#ifndef Q_OS_ANDROID
 	_fullscreenAction = new QAction(QIcon(FULLSCREEN_ICON),
 	  tr("Fullscreen mode"), this);
 	_fullscreenAction->setMenuRole(QAction::NoRole);
@@ -521,11 +540,13 @@ void GUI::createActions()
 	_fullscreenAction->setShortcut(FULLSCREEN_SHORTCUT);
 	connect(_fullscreenAction, &QAction::triggered, this, &GUI::showFullscreen);
 	addAction(_fullscreenAction);
+#endif // Q_OS_ANDROID
 	_openOptionsAction = new QAction(tr("Options..."), this);
 	_openOptionsAction->setMenuRole(QAction::PreferencesRole);
 	connect(_openOptionsAction, &QAction::triggered, this, &GUI::openOptions);
 
 	// Navigation actions
+#ifndef Q_OS_ANDROID
 	_nextAction = new QAction(QIcon(NEXT_FILE_ICON), tr("Next"), this);
 	_nextAction->setActionGroup(_navigationActionGroup);
 	_nextAction->setMenuRole(QAction::NoRole);
@@ -542,6 +563,7 @@ void GUI::createActions()
 	_firstAction->setMenuRole(QAction::NoRole);
 	_firstAction->setActionGroup(_navigationActionGroup);
 	connect(_firstAction, &QAction::triggered, this, &GUI::first);
+#endif // Q_OS_ANDROID
 }
 
 void GUI::createMapNodeMenu(const TreeNode<MapAction*> &node, QMenu *menu,
@@ -574,8 +596,13 @@ void GUI::createMenus()
 {
 	QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
 	fileMenu->addAction(_openFileAction);
+#ifdef Q_OS_ANDROID
+	fileMenu->addAction(_openDirAction);
+#endif // Q_OS_ANDROID
 	fileMenu->addSeparator();
+#ifndef Q_OS_ANDROID
 	fileMenu->addAction(_printFileAction);
+#endif // Q_OS_ANDROID
 	fileMenu->addAction(_exportPDFFileAction);
 	fileMenu->addAction(_exportPNGFileAction);
 	fileMenu->addSeparator();
@@ -583,10 +610,10 @@ void GUI::createMenus()
 	fileMenu->addSeparator();
 	fileMenu->addAction(_reloadFileAction);
 	fileMenu->addAction(_closeFileAction);
-#ifndef Q_OS_MAC
+#if !defined(Q_OS_MAC) && !defined(Q_OS_ANDROID)
 	fileMenu->addSeparator();
 	fileMenu->addAction(_exitAction);
-#endif // Q_OS_MAC
+#endif // Q_OS_MAC + Q_OS_ANDROID
 
 	_mapMenu = menuBar()->addMenu(tr("&Map"));
 	_mapsEnd = _mapMenu->addSeparator();
@@ -659,18 +686,31 @@ void GUI::createMenus()
 	coordinatesMenu->addAction(_degreesMinutesAction);
 	coordinatesMenu->addAction(_dmsAction);
 	settingsMenu->addSeparator();
+#ifndef Q_OS_ANDROID
 	settingsMenu->addAction(_showToolbarsAction);
 	settingsMenu->addAction(_fullscreenAction);
 	settingsMenu->addSeparator();
+#endif // Q_OS_ANDROID
 	settingsMenu->addAction(_openOptionsAction);
 
 	QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
 	helpMenu->addAction(_pathsAction);
+#ifndef Q_OS_ANDROID
 	helpMenu->addAction(_keysAction);
+#endif // Q_OS_ANDROID
 	helpMenu->addSeparator();
 	helpMenu->addAction(_aboutAction);
 }
 
+#ifdef Q_OS_ANDROID
+void GUI::createNavigation()
+{
+	_navigation = new NavigationWidget(_mapView);
+
+	connect(_navigation, &NavigationWidget::next, this, &GUI::next);
+	connect(_navigation, &NavigationWidget::prev, this, &GUI::prev);
+}
+#else // Q_OS_ANDROID
 void GUI::createToolBars()
 {
 	int is = style()->pixelMetric(QStyle::PM_ToolBarIconSize);
@@ -706,6 +746,7 @@ void GUI::createToolBars()
 	_navigationToolBar->addAction(_nextAction);
 	_navigationToolBar->addAction(_lastAction);
 }
+#endif // Q_OS_ANDROID
 
 void GUI::createMapView()
 {
@@ -713,7 +754,11 @@ void GUI::createMapView()
 	_mapView = new MapView(_map, _poi, 0, this);
 	_mapView->setSizePolicy(QSizePolicy(QSizePolicy::Ignored,
 	  QSizePolicy::Expanding));
+#ifdef Q_OS_ANDROID
+	_mapView->setMinimumHeight(100);
+#else // Q_OS_ANDROID
 	_mapView->setMinimumHeight(200);
+#endif // Q_OS_ANDROID
 #ifdef Q_OS_WIN32
 	_mapView->setFrameShape(QFrame::NoFrame);
 #endif // Q_OS_WIN32
@@ -765,7 +810,16 @@ void GUI::about()
 	QUrl homepage(APP_HOMEPAGE);
 
 	msgBox.setWindowTitle(tr("About GPXSee"));
-	msgBox.setText("<h2>" + QString(APP_NAME) + "</h2><p><p>" + tr("Version %1")
+#ifdef Q_OS_ANDROID
+	msgBox.setText("<h2>" + QString(APP_NAME) + "</h2><p>" + tr("Version %1")
+	  .arg(QString(APP_VERSION) + " (" + QSysInfo::buildCpuArchitecture()
+	  + ", Qt " + QT_VERSION_STR + ")") + "</p><p>"
+	  + tr("GPXSee is distributed under the terms of the GNU General Public "
+	  "License version 3. For more info about GPXSee visit the project "
+	  "homepage at %1.").arg("<a href=\"" + homepage.toString() + "\">"
+	  + homepage.toString(QUrl::RemoveScheme).mid(2) + "</a>") + "</p>");
+#else // Q_OS_ANDROID
+	msgBox.setText("<h2>" + QString(APP_NAME) + "</h2><p>" + tr("Version %1")
 	  .arg(QString(APP_VERSION) + " (" + QSysInfo::buildCpuArchitecture()
 	  + ", Qt " + QT_VERSION_STR + ")") + "</p>");
 	msgBox.setInformativeText("<table width=\"300\"><tr><td>"
@@ -778,10 +832,12 @@ void GUI::about()
 	QIcon icon = msgBox.windowIcon();
 	QSize size = icon.actualSize(QSize(64, 64));
 	msgBox.setIconPixmap(icon.pixmap(size));
+#endif // Q_OS_ANDROID
 
 	msgBox.exec();
 }
 
+#ifndef Q_OS_ANDROID
 void GUI::keys()
 {
 	QMessageBox msgBox(this);
@@ -820,12 +876,30 @@ void GUI::keys()
 
 	msgBox.exec();
 }
+#endif // Q_OS_ANDROID
 
 void GUI::paths()
 {
 	QMessageBox msgBox(this);
 
 	msgBox.setWindowTitle(tr("Paths"));
+#ifdef Q_OS_ANDROID
+	msgBox.setText(
+	  + "<small><b>" + tr("Map directory:") + "</b><br>"
+	  + QDir::cleanPath(ProgramPaths::mapDir(true))	+ "<br><br><b>"
+	  + tr("POI directory:") + "</b><br>"
+	  + QDir::cleanPath(ProgramPaths::poiDir(true)) + "<br><br><b>"
+	  + tr("GCS/PCS directory:") + "</b><br>"
+	  + QDir::cleanPath(ProgramPaths::csvDir(true)) + "<br><br><b>"
+	  + tr("DEM directory:") + "</b><br>"
+	  + QDir::cleanPath(ProgramPaths::demDir(true)) + "<br><br><b>"
+	  + tr("Styles directory:") + "</b><br>"
+	  + QDir::cleanPath(ProgramPaths::styleDir(true)) + "<br><br><b>"
+	  + tr("Symbols directory:") + "</b><br>"
+	  + QDir::cleanPath(ProgramPaths::symbolsDir(true)) + "<br><br><b>"
+	  + tr("Tile cache directory:") + "</b><br>"
+	  + QDir::cleanPath(ProgramPaths::tilesDir()) + "</small>");
+#else // Q_OS_ANDROID
 	msgBox.setText("<h3>" + tr("Paths") + "</h3>");
 	msgBox.setInformativeText(
 	  "<style>td {white-space: pre; padding-right: 1em;}</style><table><tr><td>"
@@ -844,14 +918,20 @@ void GUI::paths()
 	  + tr("Tile cache directory:") + "</td><td><code>"
 	  + QDir::cleanPath(ProgramPaths::tilesDir()) + "</code></td></tr></table>"
 	);
+#endif // Q_OS_ANDROID
 
 	msgBox.exec();
 }
 
 void GUI::openFile()
 {
+#ifdef Q_OS_ANDROID
+	QStringList files(QFileDialog::getOpenFileNames(this, tr("Open file"),
+	  _dataDir));
+#else // Q_OS_ANDROID
 	QStringList files(QFileDialog::getOpenFileNames(this, tr("Open file"),
 	  _dataDir, Data::formats()));
+#endif // Q_OS_ANDROID
 
 	for (int i = 0; i < files.size(); i++)
 		openFile(files.at(i));
@@ -859,6 +939,19 @@ void GUI::openFile()
 		_dataDir = QFileInfo(files.last()).path();
 }
 
+#ifdef Q_OS_ANDROID
+void GUI::openDir()
+{
+	QString dir(QFileDialog::getExistingDirectory(this, tr("Open directory"),
+	  _dataDir));
+
+	if (!dir.isEmpty()) {
+		_browser->setCurrentDir(dir);
+		openFile(_browser->current());
+	}
+}
+#endif // Q_OS_ANDROID
+
 bool GUI::openFile(const QString &fileName, bool silent)
 {
 	if (_files.contains(fileName))
@@ -868,7 +961,9 @@ bool GUI::openFile(const QString &fileName, bool silent)
 		return false;
 
 	_files.append(fileName);
+#ifndef Q_OS_ANDROID
 	_browser->setCurrent(fileName);
+#endif // Q_OS_ANDROID
 	_fileActionGroup->setEnabled(true);
 	// Explicitly enable the reload action as it may be disabled by loadMapDir()
 	_reloadFileAction->setEnabled(true);
@@ -898,7 +993,7 @@ bool GUI::loadFile(const QString &fileName, bool silent)
 			_fileActionGroup->setEnabled(false);
 
 		QString error = tr("Error loading data file:") + "\n\n"
-		  + fileName + "\n\n" + data.errorString();
+		  + Util::displayName(fileName) + "\n\n" + data.errorString();
 		if (data.errorLine())
 			error.append("\n" + tr("Line: %1").arg(data.errorLine()));
 		QMessageBox::critical(this, APP_NAME, error);
@@ -967,8 +1062,13 @@ void GUI::loadData(const Data &data)
 
 void GUI::openPOIFile()
 {
+#ifdef Q_OS_ANDROID
+	QStringList files(QFileDialog::getOpenFileNames(this, tr("Open POI file"),
+	  _poiDir));
+#else // Q_OS_ANDROID
 	QStringList files(QFileDialog::getOpenFileNames(this, tr("Open POI file"),
 	  _poiDir, Data::formats()));
+#endif // Q_OS_ANDROID
 
 	for (int i = 0; i < files.size(); i++)
 		openPOIFile(files.at(i));
@@ -994,7 +1094,7 @@ bool GUI::openPOIFile(const QString &fileName)
 		return true;
 	} else {
 		QString error = tr("Error loading POI file:") + "\n\n"
-		  + fileName + "\n\n" + _poi->errorString();
+		  + Util::displayName(fileName) + "\n\n" + _poi->errorString();
 		if (_poi->errorLine())
 			error.append("\n" + tr("Line: %1").arg(_poi->errorLine()));
 		QMessageBox::critical(this, APP_NAME, error);
@@ -1207,12 +1307,72 @@ void GUI::exportPNGFile()
 void GUI::statistics()
 {
 	QLocale l(QLocale::system());
+	QMessageBox msgBox(this);
+	QString text;
 
+#ifdef Q_OS_ANDROID
+	if (_showTracksAction->isChecked() && _trackCount > 1)
+		text.append("<b>" + tr("Tracks") + ":</b> "
+		  + l.toString(_trackCount) + "<br>");
+	if (_showRoutesAction->isChecked() && _routeCount > 1)
+		text.append("<b>" + tr("Routes") + ":</b> "
+		  + l.toString(_routeCount) + "<br>");
+	if (_showWaypointsAction->isChecked() && _waypointCount > 1)
+		text.append("<b>" + tr("Waypoints") + ":</b> "
+		  + l.toString(_waypointCount) + "<br>");
+	if (_showAreasAction->isChecked() && _areaCount > 1)
+		text.append("<b>" + tr("Areas") + ":</b> "
+		  + l.toString(_areaCount) + "<br>");
+
+	if (_dateRange.first.isValid()) {
+		if (_dateRange.first == _dateRange.second) {
+			QString format = l.dateFormat(QLocale::LongFormat);
+			text.append("<b>" + tr("Date") + ":</b> "
+			  + _dateRange.first.toString(format) + "<br>");
+		} else {
+			QString format = l.dateFormat(QLocale::ShortFormat);
+			text.append("<b>" + tr("Date") + ":</b> "
+			  + QString("%1 - %2").arg(_dateRange.first.toString(format),
+			  _dateRange.second.toString(format)) + "<br>");
+		}
+	}
+
+	if (distance() > 0)
+		text.append("<b>" + tr("Distance") + ":</b> "
+		  + Format::distance(distance(), units()) + "<br>");
+	if (time() > 0) {
+		text.append("<b>" + tr("Time") + ":</b> "
+		  + Format::timeSpan(time()) + "<br>");
+		text.append("<b>" + tr("Moving time") + ":</b> "
+		  + Format::timeSpan(movingTime()) + "<br>");
+	}
+	text.append("<br>");
+
+	for (int i = 0; i < _tabs.count(); i++) {
+		const GraphTab *tab = _tabs.at(i);
+		if (tab->isEmpty())
+			continue;
+
+		text.append("<i>" + tab->label() + "</i><br>");
+		for (int j = 0; j < tab->info().size(); j++) {
+			const KV<QString, QString> &kv = tab->info().at(j);
+			text.append("<b>" + kv.key() + ":</b>&nbsp;" + kv.value());
+			if (j != tab->info().size() - 1)
+				text.append(" | ");
+		}
+		if (i != _tabs.count() - 1)
+			text.append("<br><br>");
+	}
+
+	msgBox.setWindowTitle(tr("Statistics"));
+	msgBox.setText(text);
+
+#else // Q_OS_ANDROID
 #ifdef Q_OS_WIN32
-	QString text = "<style>td {white-space: pre; padding-right: 4em;}"
+	text = "<style>td {white-space: pre; padding-right: 4em;}"
 	  "th {text-align: left; padding-top: 0.5em;}</style><table>";
 #else // Q_OS_WIN32
-	QString text = "<style>td {white-space: pre; padding-right: 2em;}"
+	text = "<style>td {white-space: pre; padding-right: 2em;}"
 	  "th {text-align: left; padding-top: 0.5em;}</style><table>";
 #endif // Q_OS_WIN32
 
@@ -1267,11 +1427,11 @@ void GUI::statistics()
 
 	text.append("</table>");
 
-
-	QMessageBox msgBox(this);
 	msgBox.setWindowTitle(tr("Statistics"));
 	msgBox.setText("<h3>" + tr("Statistics") + "</h3>");
 	msgBox.setInformativeText(text);
+#endif // Q_OS_ANDROID
+
 	msgBox.exec();
 }
 
@@ -1430,8 +1590,10 @@ void GUI::reloadFiles()
 	updateWindowTitle();
 	if (_files.isEmpty())
 		_fileActionGroup->setEnabled(false);
+#ifndef Q_OS_ANDROID
 	else
 		_browser->setCurrent(_files.last());
+#endif // Q_OS_ANDROID
 	updateDEMDownloadAction();
 }
 
@@ -1466,6 +1628,10 @@ void GUI::closeAll()
 	updateWindowTitle();
 	updateGraphTabs();
 	updateDEMDownloadAction();
+
+#ifdef Q_OS_ANDROID
+	_browser->setCurrentDir(QString());
+#endif // Q_OS_ANDROID
 }
 
 void GUI::showGraphs(bool show)
@@ -1473,6 +1639,7 @@ void GUI::showGraphs(bool show)
 	_graphTabWidget->setHidden(!show);
 }
 
+#ifndef Q_OS_ANDROID
 void GUI::showToolbars(bool show)
 {
 	if (show) {
@@ -1515,6 +1682,7 @@ void GUI::showFullscreen(bool show)
 		showNormal();
 	}
 }
+#endif // Q_OS_ANDROID
 
 void GUI::showTracks(bool show)
 {
@@ -1583,8 +1751,13 @@ void GUI::showPathMarkerInfo(QAction *action)
 
 void GUI::loadMap()
 {
+#ifdef Q_OS_ANDROID
+	QStringList files(QFileDialog::getOpenFileNames(this, tr("Open map file"),
+	  _mapDir));
+#else // Q_OS_ANDROID
 	QStringList files(QFileDialog::getOpenFileNames(this, tr("Open map file"),
 	  _mapDir, MapList::formats()));
+#endif // Q_OS_ANDROID
 	MapAction *a, *lastReady = 0;
 
 	for (int i = 0; i < files.size(); i++) {
@@ -1627,7 +1800,8 @@ bool GUI::loadMapNode(const TreeNode<Map*> &node, MapAction *&action,
 			if (!map->isValid()) {
 				if (!silent)
 					QMessageBox::critical(this, APP_NAME,
-					  tr("Error loading map:") + "\n\n" + map->path() + "\n\n"
+					  tr("Error loading map:") + "\n\n"
+					  + Util::displayName(map->path()) + "\n\n"
 					  + map->errorString());
 				delete map;
 			} else {
@@ -1672,8 +1846,8 @@ void GUI::mapLoaded()
 		_showMapAction->setEnabled(true);
 		_clearMapCacheAction->setEnabled(true);
 	} else {
-		QString error = tr("Error loading map:") + "\n\n" + map->path() + "\n\n"
-		  + map->errorString();
+		QString error = tr("Error loading map:") + "\n\n"
+		  + Util::displayName(map->path()) + "\n\n" + map->errorString();
 		QMessageBox::critical(this, APP_NAME, error);
 		action->deleteLater();
 	}
@@ -1691,8 +1865,8 @@ void GUI::mapLoadedDir()
 		actions.append(action);
 		_mapView->loadMaps(actions);
 	} else {
-		QString error = tr("Error loading map:") + "\n\n" + map->path() + "\n\n"
-		  + map->errorString();
+		QString error = tr("Error loading map:") + "\n\n"
+		  + Util::displayName(map->path()) + "\n\n" + map->errorString();
 		QMessageBox::critical(this, APP_NAME, error);
 		action->deleteLater();
 	}
@@ -1714,7 +1888,8 @@ void GUI::loadMapDirNode(const TreeNode<Map *> &node, QList<MapAction*> &actions
 		if (!(a = findMapAction(existingActions, map))) {
 			if (!map->isValid()) {
 				QMessageBox::critical(this, APP_NAME, tr("Error loading map:")
-				  + "\n\n" + map->path() + "\n\n" + map->errorString());
+				  + "\n\n" + Util::displayName(map->path()) + "\n\n"
+				  + map->errorString());
 				delete map;
 			} else {
 				a = new MapAction(map, _mapsActionGroup);
@@ -1817,7 +1992,7 @@ void GUI::updateStatusBarInfo()
 	if (_files.count() == 0)
 		_fileNameLabel->setText(tr("No files loaded"));
 	else if (_files.count() == 1)
-		_fileNameLabel->setText(_files.at(0));
+		_fileNameLabel->setText(Util::displayName(_files.at(0)));
 	else
 		_fileNameLabel->setText(tr("%n files", "", _files.count()));
 
@@ -1840,6 +2015,10 @@ void GUI::updateStatusBarInfo()
 		_timeLabel->clear();
 		_timeLabel->setToolTip(QString());
 	}
+
+#ifdef Q_OS_ANDROID
+	statusBar()->setVisible(!_files.isEmpty());
+#endif // Q_OS_ANDROID
 }
 
 void GUI::updateWindowTitle()
@@ -1929,10 +2108,17 @@ void GUI::graphChanged(int index)
 
 void GUI::updateNavigationActions()
 {
+#ifdef Q_OS_ANDROID
+	_navigation->enableNext(!_browser->isLast()
+	  && !_browser->current().isNull());
+	_navigation->enablePrev(!_browser->isFirst()
+	  && !_browser->current().isNull());
+#else // Q_OS_ANDROID
 	_lastAction->setEnabled(!_browser->isLast());
 	_nextAction->setEnabled(!_browser->isLast());
 	_firstAction->setEnabled(!_browser->isFirst());
 	_prevAction->setEnabled(!_browser->isFirst());
+#endif // Q_OS_ANDROID
 }
 
 bool GUI::updateGraphTabs()
@@ -2042,6 +2228,7 @@ void GUI::first()
 	openFile(file);
 }
 
+#ifndef Q_OS_ANDROID
 void GUI::keyPressEvent(QKeyEvent *event)
 {
 	QString file;
@@ -2096,11 +2283,12 @@ void GUI::keyPressEvent(QKeyEvent *event)
 
 	QMainWindow::keyPressEvent(event);
 }
+#endif // Q_OS_ANDROID
 
 void GUI::closeEvent(QCloseEvent *event)
 {
 	writeSettings();
-	event->accept();
+	QMainWindow::closeEvent(event);
 }
 
 void GUI::dragEnterEvent(QDragEnterEvent *event)
@@ -2167,6 +2355,7 @@ void GUI::writeSettings()
 	QSettings settings(qApp->applicationName(), qApp->applicationName());
 	settings.clear();
 
+#ifndef Q_OS_ANDROID
 	settings.beginGroup(WINDOW_SETTINGS_GROUP);
 	if (!_windowStates.isEmpty() && !_windowGeometries.isEmpty()) {
 		settings.setValue(WINDOW_STATE_SETTING, _windowStates.first());
@@ -2176,6 +2365,7 @@ void GUI::writeSettings()
 		settings.setValue(WINDOW_GEOMETRY_SETTING, saveGeometry());
 	}
 	settings.endGroup();
+#endif // Q_OS_ANDROID
 
 	settings.beginGroup(SETTINGS_SETTINGS_GROUP);
 	if ((_movingTimeAction->isChecked() ? Moving : Total) !=
@@ -2190,9 +2380,11 @@ void GUI::writeSettings()
 	  : _degreesMinutesAction->isChecked() ? DegreesMinutes : DecimalDegrees;
 	if (format != COORDINATES_DEFAULT)
 		settings.setValue(COORDINATES_SETTING, format);
+#ifndef Q_OS_ANDROID
 	if (_showToolbarsAction->isChecked() != SHOW_TOOLBARS_DEFAULT)
 		settings.setValue(SHOW_TOOLBARS_SETTING,
 		  _showToolbarsAction->isChecked());
+#endif // Q_OS_ANDROID
 	settings.endGroup();
 
 	settings.beginGroup(MAP_SETTINGS_GROUP);
@@ -2285,8 +2477,8 @@ void GUI::writeSettings()
 		settings.setValue(SHOW_TICKS_SETTING,
 		  _showTicksAction->isChecked());
 	bool sm = _showMarkersAction->isChecked()
-	  | _showMarkerDateAction->isChecked()
-	  | _showMarkerCoordinatesAction->isChecked();
+	  || _showMarkerDateAction->isChecked()
+	  || _showMarkerCoordinatesAction->isChecked();
 	if (sm != SHOW_MARKERS_DEFAULT)
 		settings.setValue(SHOW_MARKERS_SETTING, sm);
 	if (_showMarkerDateAction->isChecked()
@@ -2485,10 +2677,12 @@ void GUI::readSettings(QString &activeMap, QStringList &disabledPOIs)
 	int value;
 	QSettings settings(qApp->applicationName(), qApp->applicationName());
 
+#ifndef Q_OS_ANDROID
 	settings.beginGroup(WINDOW_SETTINGS_GROUP);
 	restoreGeometry(settings.value(WINDOW_GEOMETRY_SETTING).toByteArray());
 	restoreState(settings.value(WINDOW_STATE_SETTING).toByteArray());
 	settings.endGroup();
+#endif // Q_OS_ANDROID
 
 	settings.beginGroup(SETTINGS_SETTINGS_GROUP);
 	if (settings.value(TIME_TYPE_SETTING, TIME_TYPE_DEFAULT).toInt() == Moving)
@@ -2512,10 +2706,12 @@ void GUI::readSettings(QString &activeMap, QStringList &disabledPOIs)
 	else
 		_decimalDegreesAction->trigger();
 
+#ifndef Q_OS_ANDROID
 	if (!settings.value(SHOW_TOOLBARS_SETTING, SHOW_TOOLBARS_DEFAULT).toBool())
 		showToolbars(false);
 	else
 		_showToolbarsAction->setChecked(true);
+#endif // Q_OS_ANDROID
 	settings.endGroup();
 
 	settings.beginGroup(MAP_SETTINGS_GROUP);
@@ -2523,8 +2719,8 @@ void GUI::readSettings(QString &activeMap, QStringList &disabledPOIs)
 		_showMapAction->setChecked(true);
 	else
 		_mapView->showMap(false);
-	if (settings.value(SHOW_CURSOR_COORDINATES_SETTING, SHOW_CURSOR_COORDINATES_DEFAULT)
-	  .toBool()) {
+	if (settings.value(SHOW_CURSOR_COORDINATES_SETTING,
+	  SHOW_CURSOR_COORDINATES_DEFAULT).toBool()) {
 		_showCoordinatesAction->setChecked(true);
 		_mapView->showCursorCoordinates(true);
 	}

src/GUI/gui.h

@@ -35,6 +35,7 @@ class MapAction;
 class POIAction;
 class Data;
 class DEMLoader;
+class NavigationWidget;
 
 class GUI : public QMainWindow
 {
@@ -47,15 +48,21 @@ public:
 	bool loadMap(const QString &fileName, MapAction *&action,
 	  bool silent = false);
 	void show();
+	void writeSettings();
 
 private slots:
 	void about();
+#ifndef Q_OS_ANDROID
 	void keys();
+#endif // Q_OS_ANDROID
 	void paths();
 	void printFile();
 	void exportPDFFile();
 	void exportPNGFile();
 	void openFile();
+#ifdef Q_OS_ANDROID
+	void openDir();
+#endif // Q_OS_ANDROID
 	void closeAll();
 	void reloadFiles();
 	void statistics();
@@ -64,8 +71,10 @@ private slots:
 	void showGraphGrids(bool show);
 	void showGraphSliderInfo(bool show);
 	void showPathMarkerInfo(QAction *action);
+#ifndef Q_OS_ANDROID
 	void showToolbars(bool show);
 	void showFullscreen(bool show);
+#endif // Q_OS_ANDROID
 	void showTracks(bool show);
 	void showRoutes(bool show);
 	void showAreas(bool show);
@@ -129,7 +138,11 @@ private:
 	  QAction *action = 0);
 	void createActions();
 	void createMenus();
+#ifdef Q_OS_ANDROID
+	void createNavigation();
+#else // Q_OS_ANDROID
 	void createToolBars();
+#endif // Q_OS_ANDROID
 	void createStatusBar();
 	void createMapView();
 	void createGraphTabs();
@@ -160,19 +173,24 @@ private:
 	QAction *mapAction(const QString &name);
 	QGeoPositionInfoSource *positionSource(const Options &options);
 	void readSettings(QString &activeMap, QStringList &disabledPOIs);
-	void writeSettings();
 
 	void loadInitialMaps(const QString &selected);
 	void loadInitialPOIs(const QStringList &disabled);
 
+#ifndef Q_OS_ANDROID
 	void keyPressEvent(QKeyEvent *event);
+#endif // Q_OS_ANDROID
 	void closeEvent(QCloseEvent *event);
 	void dragEnterEvent(QDragEnterEvent *event);
 	void dropEvent(QDropEvent *event);
 
+#ifdef Q_OS_ANDROID
+	NavigationWidget *_navigation;
+#else // Q_OS_ANDROID
 	QToolBar *_fileToolBar;
 	QToolBar *_showToolBar;
 	QToolBar *_navigationToolBar;
+#endif // Q_OS_ANDROID
 	QMenu *_poiMenu;
 	QMenu *_mapMenu;
 
@@ -180,15 +198,16 @@ private:
 	QActionGroup *_navigationActionGroup;
 	QActionGroup *_mapsActionGroup;
 	QActionGroup *_poisActionGroup;
+#if !defined(Q_OS_MAC) && !defined(Q_OS_ANDROID)
 	QAction *_exitAction;
-	QAction *_keysAction;
+#endif // Q_OS_MAC + Q_OS_ANDROID
 	QAction *_pathsAction;
 	QAction *_aboutAction;
-	QAction *_aboutQtAction;
 	QAction *_printFileAction;
 	QAction *_exportPDFFileAction;
 	QAction *_exportPNGFileAction;
 	QAction *_openFileAction;
+	QAction *_openDirAction;
 	QAction *_closeFileAction;
 	QAction *_reloadFileAction;
 	QAction *_statisticsAction;
@@ -204,7 +223,6 @@ private:
 	QAction *_followPositionAction;
 	QAction *_showPositionCoordinatesAction;
 	QAction *_showMotionInfo;
-	QAction *_fullscreenAction;
 	QAction *_loadMapAction;
 	QAction *_loadMapDirAction;
 	QAction *_clearMapCacheAction;
@@ -213,11 +231,15 @@ private:
 	QAction *_showGraphSliderInfoAction;
 	QAction *_distanceGraphAction;
 	QAction *_timeGraphAction;
+#ifndef Q_OS_ANDROID
+	QAction *_keysAction;
+	QAction *_fullscreenAction;
 	QAction *_showToolbarsAction;
 	QAction *_nextAction;
 	QAction *_prevAction;
 	QAction *_lastAction;
 	QAction *_firstAction;
+#endif // Q_OS_ANDROID
 	QAction *_metricUnitsAction;
 	QAction *_imperialUnitsAction;
 	QAction *_nauticalUnitsAction;
@@ -271,9 +293,11 @@ private:
 	DateTimeRange _dateRange;
 	QString _pathName;
 
+#ifndef Q_OS_ANDROID
 	QList<QByteArray> _windowStates;
 	QList<QByteArray> _windowGeometries;
 	int _frameStyle;
+#endif // Q_OS_ANDROID
 
 	PDFExport _pdfExport;
 	PNGExport _pngExport;

src/GUI/heartrategraph.cpp

@@ -24,10 +24,17 @@ void HeartRateGraph::setInfo()
 	if (_showTracks) {
 		QLocale l(QLocale::system());
 
+#ifdef Q_OS_ANDROID
+		GraphView::addInfo(tr("Avg"), l.toString(avg() * yScale(), 'f', 0)
+		  + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Max"), l.toString(max() * yScale(), 'f', 0)
+		  + UNIT_SPACE + yUnits());
+#else // Q_OS_ANDROID
 		GraphView::addInfo(tr("Average"), l.toString(avg() * yScale(), 'f',
 		  0) + UNIT_SPACE + yUnits());
 		GraphView::addInfo(tr("Maximum"), l.toString(max() * yScale(), 'f',
 		  0) + UNIT_SPACE + yUnits());
+#endif // Q_OS_ANDROID
 	} else
 		clearInfo();
 }

src/GUI/mapview.cpp

@@ -662,20 +662,9 @@ void MapView::wheelEvent(QWheelEvent *event)
 #else // QT 5.15
 	zoom((delta > 0) ? 1 : -1, event->position().toPoint(), shift);
 #endif // QT 5.15
-}
 
-void MapView::mouseDoubleClickEvent(QMouseEvent *event)
-{
-	bool shift = (event->modifiers() & MODIFIER) ? true : false;
-
-	QGraphicsView::mouseDoubleClickEvent(event);
-	if (event->isAccepted())
-		return;
-
-	if (event->button() != Qt::LeftButton && event->button() != Qt::RightButton)
-		return;
-
-	zoom((event->button() == Qt::LeftButton) ? 1 : -1, event->pos(), shift);
+	/* Do not call QGraphicsView::wheelEvent() here as this would shift the
+	   view ! */
 }
 
 void MapView::keyPressEvent(QKeyEvent *event)
@@ -713,20 +702,11 @@ void MapView::keyReleaseEvent(QKeyEvent *event)
 	QGraphicsView::keyReleaseEvent(event);
 }
 
-void MapView::mousePressEvent(QMouseEvent *event)
-{
-	if (event->button() == Qt::LeftButton && event->modifiers() & MODIFIER)
-		QApplication::clipboard()->setText(Format::coordinates(
-		  _map->xy2ll(mapToScene(event->pos())), _cursorCoordinates->format()));
-	else
-		QGraphicsView::mousePressEvent(event);
-}
-
 void MapView::plot(QPainter *painter, const QRectF &target, qreal scale,
   PlotFlags flags)
 {
 	QRect orig, adj;
-	qreal ratio, diff, q, p;
+	qreal mapRatio, ratio, diff, q, p;
 	QPointF scenePos, scalePos, posPos, motionPos;
 	int zoom;
 
@@ -734,7 +714,6 @@ void MapView::plot(QPainter *painter, const QRectF &target, qreal scale,
 	// Enter plot mode
 	setUpdatesEnabled(false);
 	_plot = true;
-	_map->setDevicePixelRatio(_deviceRatio, 1.0);
 
 	// Compute sizes & ratios
 	orig = viewport()->rect();
@@ -753,6 +732,9 @@ void MapView::plot(QPainter *painter, const QRectF &target, qreal scale,
 	}
 
 	// Expand the view if plotting into a bitmap
+	mapRatio = _mapRatio;
+	setDevicePixelRatio(_deviceRatio, 1.0);
+
 	if (flags & Expand) {
 		qreal xdiff = (target.width() - adj.width()) / 2.0;
 		qreal ydiff = (target.height() - adj.height()) / 2.0;
@@ -805,6 +787,9 @@ void MapView::plot(QPainter *painter, const QRectF &target, qreal scale,
 		rescale();
 		centerOn(scenePos);
 	}
+
+	setDevicePixelRatio(_deviceRatio, mapRatio);
+
 	_mapScale->setDigitalZoom(_digitalZoom);
 	_mapScale->setPos(scalePos);
 	_positionCoordinates->setDigitalZoom(_digitalZoom);
@@ -813,7 +798,6 @@ void MapView::plot(QPainter *painter, const QRectF &target, qreal scale,
 	_motionInfo->setPos(motionPos);
 
 	// Exit plot mode
-	_map->setDevicePixelRatio(_deviceRatio, _mapRatio);
 	_plot = false;
 	setUpdatesEnabled(true);
 }
@@ -1196,6 +1180,12 @@ void MapView::scrollContentsBy(int dx, int dy)
 	}
 }
 
+void MapView::leaveEvent(QEvent *event)
+{
+	_cursorCoordinates->setCoordinates(Coordinates());
+	QGraphicsView::leaveEvent(event);
+}
+
 void MapView::mouseMoveEvent(QMouseEvent *event)
 {
 	if (_cursorCoordinates->isVisible()) {
@@ -1206,10 +1196,30 @@ void MapView::mouseMoveEvent(QMouseEvent *event)
 	QGraphicsView::mouseMoveEvent(event);
 }
 
-void MapView::leaveEvent(QEvent *event)
+
+void MapView::mousePressEvent(QMouseEvent *event)
 {
-	_cursorCoordinates->setCoordinates(Coordinates());
-	QGraphicsView::leaveEvent(event);
+	if (event->button() == Qt::LeftButton) {
+		if (event->modifiers() & MODIFIER)
+			QApplication::clipboard()->setText(Format::coordinates(_map->xy2ll(
+			  mapToScene(event->pos())), _cursorCoordinates->format()));
+#ifdef Q_OS_ANDROID
+		else
+			emit clicked(event->pos());
+#endif // Q_OS_ANDROID
+	}
+
+	QGraphicsView::mousePressEvent(event);
+}
+
+void MapView::mouseDoubleClickEvent(QMouseEvent *event)
+{
+	bool shift = (event->modifiers() & MODIFIER) ? true : false;
+
+	if (event->button() == Qt::LeftButton || event->button() == Qt::RightButton)
+		zoom((event->button() == Qt::LeftButton) ? 1 : -1, event->pos(), shift);
+
+	QGraphicsView::mouseDoubleClickEvent(event);
 }
 
 bool MapView::event(QEvent *event)

src/GUI/mapview.h

@@ -102,6 +102,11 @@ public:
 
 	RectC boundingRect() const;
 
+#ifdef Q_OS_ANDROID
+signals:
+	void clicked(const QPoint &pos);
+#endif // Q_OS_ANDROID
+
 public slots:
 	void showMap(bool show);
 	void showPOI(bool show);
@@ -162,6 +167,7 @@ private:
 	void drawBackground(QPainter *painter, const QRectF &rect);
 	void paintEvent(QPaintEvent *event);
 	void leaveEvent(QEvent *event);
+
 	bool event(QEvent *event);
 	void scrollContentsBy(int dx, int dy);
 

src/GUI/navigationwidget.cpp

@@ -0,0 +1,102 @@
+#include <QEvent>
+#include <QResizeEvent>
+#include <QPainter>
+#include "mapview.h"
+#include "navigationwidget.h"
+
+#define MARGIN 5
+#define SIZE   40
+
+#ifdef Q_OS_ANDROID
+
+NavigationWidget::NavigationWidget(MapView *view)
+  : QWidget(view), _showPrev(false), _showNext(false)
+{
+	setAttribute(Qt::WA_NoSystemBackground);
+	setAttribute(Qt::WA_TranslucentBackground);
+	setAttribute(Qt::WA_TransparentForMouseEvents);
+
+	newParent();
+
+	connect(view, &MapView::clicked, this, &NavigationWidget::viewClicked);
+}
+
+bool NavigationWidget::eventFilter(QObject *obj, QEvent *ev)
+{
+	if (obj == parent()) {
+		if (ev->type() == QEvent::Resize)
+			resize(static_cast<QResizeEvent*>(ev)->size());
+		else if (ev->type() == QEvent::ChildAdded)
+			raise();
+	}
+
+	return QWidget::eventFilter(obj, ev);
+}
+
+bool NavigationWidget::event(QEvent* ev)
+{
+	if (ev->type() == QEvent::ParentAboutToChange) {
+		if (parent())
+			parent()->removeEventFilter(this);
+	} else if (ev->type() == QEvent::ParentChange)
+		newParent();
+
+	return QWidget::event(ev);
+}
+
+void NavigationWidget::paintEvent(QPaintEvent *ev)
+{
+	Q_UNUSED(ev);
+	QPainter p(this);
+
+	QColor c(Qt::black);
+	c.setAlpha(64);
+	p.setBrush(c);
+	p.setPen(Qt::NoPen);
+
+	if (_showPrev) {
+		QPainterPath path;
+		path.addEllipse(QRect(MARGIN, rect().center().y() - SIZE/2, SIZE, SIZE));
+		path.moveTo(QPointF(MARGIN + 0.66*SIZE, rect().center().y() - SIZE/4));
+		path.lineTo(QPointF(MARGIN + SIZE/4, rect().center().y()));
+		path.lineTo(QPointF(MARGIN + 0.66*SIZE, rect().center().y() + SIZE/4));
+		path.closeSubpath();
+		p.drawPath(path);
+	}
+	if (_showNext) {
+		QPainterPath path;
+		path.addEllipse(QRect(rect().right() - (MARGIN + SIZE),
+		  rect().center().y() - SIZE/2, SIZE, SIZE));
+		path.moveTo(QPointF(rect().right() - (MARGIN + 0.66*SIZE),
+		  rect().center().y() - SIZE/4));
+		path.lineTo(QPointF(rect().right() - (MARGIN + SIZE/4),
+		  rect().center().y()));
+		path.lineTo(QPointF(rect().right() - (MARGIN + 0.66*SIZE),
+		  rect().center().y() + SIZE/4));
+		path.closeSubpath();
+		p.drawPath(path);
+	}
+}
+
+void NavigationWidget::newParent()
+{
+	if (!parent())
+		return;
+
+	parent()->installEventFilter(this);
+	raise();
+}
+
+void NavigationWidget::viewClicked(const QPoint &pos)
+{
+	QRect prevRect(MARGIN, rect().center().y() - SIZE/2, SIZE, SIZE);
+	QRect nextRect(rect().right() - (MARGIN + SIZE), rect().center().y()
+	  - SIZE/2, SIZE, SIZE);
+
+	if (prevRect.contains(pos))
+		emit prev();
+	else if (nextRect.contains(pos))
+		emit next();
+}
+
+#endif // Q_OS_ANDROID

src/GUI/navigationwidget.h

@@ -0,0 +1,36 @@
+#ifndef NAVIGATIONWIDGET_H
+#define NAVIGATIONWIDGET_H
+
+#include <QWidget>
+
+class MapView;
+
+#ifdef Q_OS_ANDROID
+class NavigationWidget : public QWidget
+{
+	Q_OBJECT
+
+public:
+	NavigationWidget(MapView *view);
+
+	void enableNext(bool enable) {_showNext = enable; update();}
+	void enablePrev(bool enable) {_showPrev = enable; update();}
+
+signals:
+	void next();
+	void prev();
+
+private slots:
+	void viewClicked(const QPoint &pos);
+
+private:
+	bool eventFilter(QObject *obj, QEvent *ev);
+	bool event(QEvent *ev);
+	void paintEvent(QPaintEvent *ev);
+	void newParent();
+
+	bool _showPrev, _showNext;
+};
+#endif // Q_OS_ANDROID
+
+#endif // NAVIGATIONWIDGET_H

src/GUI/optionsdialog.cpp

@@ -26,8 +26,11 @@
 #include "pluginparameters.h"
 #include "optionsdialog.h"
 
-
+#ifdef Q_OS_ANDROID
+#define MENU_MARGIN 0
+#else // Q_OS_ANDROID
 #define MENU_MARGIN 20
+#endif // Q_OS_ANDROID
 #define MENU_ICON_SIZE 32
 
 #ifdef Q_OS_MAC
@@ -714,7 +717,7 @@ QWidget *OptionsDialog::createSystemPage()
 
 	_pixmapCache = new QSpinBox();
 	_pixmapCache->setMinimum(16);
-	_pixmapCache->setMaximum(1024);
+	_pixmapCache->setMaximum(2048);
 	_pixmapCache->setSuffix(UNIT_SPACE + tr("MB"));
 	_pixmapCache->setValue(_options.pixmapCache);
 
@@ -779,6 +782,11 @@ QWidget *OptionsDialog::createSystemPage()
 OptionsDialog::OptionsDialog(Options &options, Units units, QWidget *parent)
   : QDialog(parent), _options(options), _units(units)
 {
+#ifdef Q_OS_ANDROID
+	setWindowFlags(Qt::Window);
+	setWindowState(Qt::WindowFullScreen);
+#endif /* Q_OS_ANDROID */
+
 	QStackedWidget *pages = new QStackedWidget();
 	pages->addWidget(createAppearancePage());
 	pages->addWidget(createMapPage());
@@ -791,16 +799,25 @@ OptionsDialog::OptionsDialog(Options &options, Units units, QWidget *parent)
 
 	QListWidget *menu = new QListWidget();
 	menu->setIconSize(QSize(MENU_ICON_SIZE, MENU_ICON_SIZE));
-	new QListWidgetItem(QIcon(APPEARANCE_ICON), tr("Appearance"),
-	  menu);
+#ifdef Q_OS_ANDROID
+	new QListWidgetItem(QIcon(APPEARANCE_ICON), QString(), menu);
+	new QListWidgetItem(QIcon(MAPS_ICON), QString(), menu);
+	new QListWidgetItem(QIcon(DATA_ICON), QString(), menu);
+	new QListWidgetItem(QIcon(POI_ICON), QString(), menu);
+	new QListWidgetItem(QIcon(DEM_ICON), QString(), menu);
+	new QListWidgetItem(QIcon(POSITION_ICON), QString(), menu);
+	new QListWidgetItem(QIcon(PRINT_EXPORT_ICON), QString(), menu);
+	new QListWidgetItem(QIcon(SYSTEM_ICON), QString(), menu);
+#else // Q_OS_ANDROID
+	new QListWidgetItem(QIcon(APPEARANCE_ICON), tr("Appearance"), menu);
 	new QListWidgetItem(QIcon(MAPS_ICON), tr("Maps"), menu);
 	new QListWidgetItem(QIcon(DATA_ICON), tr("Data"), menu);
 	new QListWidgetItem(QIcon(POI_ICON), tr("POI"), menu);
 	new QListWidgetItem(QIcon(DEM_ICON), tr("DEM"), menu);
 	new QListWidgetItem(QIcon(POSITION_ICON), tr("Position"), menu);
-	new QListWidgetItem(QIcon(PRINT_EXPORT_ICON), tr("Print & Export"),
-	  menu);
+	new QListWidgetItem(QIcon(PRINT_EXPORT_ICON), tr("Print & Export"), menu);
 	new QListWidgetItem(QIcon(SYSTEM_ICON), tr("System"), menu);
+#endif // Q_OS_ANDROID
 
 	QHBoxLayout *contentLayout = new QHBoxLayout();
 	contentLayout->addWidget(menu);

src/GUI/pdfexportdialog.cpp

@@ -18,9 +18,16 @@ PDFExportDialog::PDFExportDialog(PDFExport &exp, Units units, QWidget *parent)
 {
 	int index;
 
+#ifdef Q_OS_ANDROID
+	setWindowFlags(Qt::Window);
+	setWindowState(Qt::WindowFullScreen);
+#endif /* Q_OS_ANDROID */
+
 	_fileSelect = new FileSelectWidget();
+#ifndef Q_OS_ANDROID
 	_fileSelect->setFilter(tr("PDF files") + " (*.pdf);;" + tr("All files")
 	  + " (*)");
+#endif // Q_OS_ANDROID
 	_fileSelect->setFile(_export.fileName);
 
 	_paperSize = new QComboBox();
@@ -102,6 +109,9 @@ PDFExportDialog::PDFExportDialog(PDFExport &exp, Units units, QWidget *parent)
 #else // Q_OS_MAC
 	layout->addWidget(pageSetupBox);
 	layout->addWidget(outputFileBox);
+#ifdef Q_OS_ANDROID
+	layout->addStretch();
+#endif // Q_OS_ANDROID
 #endif // Q_OS_MAC
 	layout->addWidget(buttonBox);
 	setLayout(layout);

src/GUI/pngexportdialog.cpp

@@ -15,9 +15,16 @@
 PNGExportDialog::PNGExportDialog(PNGExport &exp, QWidget *parent)
   : QDialog(parent), _export(exp)
 {
+#ifdef Q_OS_ANDROID
+	setWindowFlags(Qt::Window);
+	setWindowState(Qt::WindowFullScreen);
+#endif /* Q_OS_ANDROID */
+
 	_fileSelect = new FileSelectWidget();
+#ifndef Q_OS_ANDROID
 	_fileSelect->setFilter(tr("PNG files") + " (*.png);;" + tr("All files")
 	  + " (*)");
+#endif // Q_OS_ANDROID
 	_fileSelect->setFile(_export.fileName);
 
 	_width = new QSpinBox();
@@ -78,6 +85,9 @@ PNGExportDialog::PNGExportDialog(PNGExport &exp, QWidget *parent)
 #else // Q_OS_MAC
 	layout->addWidget(pageSetupBox);
 	layout->addWidget(outputFileBox);
+#ifdef Q_OS_ANDROID
+	layout->addStretch();
+#endif // Q_OS_ANDROID
 #endif // Q_OS_MAC
 	layout->addWidget(buttonBox);
 	setLayout(layout);

src/GUI/powergraph.cpp

@@ -24,10 +24,17 @@ void PowerGraph::setInfo()
 	if (_showTracks) {
 		QLocale l(QLocale::system());
 
+#ifdef Q_OS_ANDROID
+		GraphView::addInfo(tr("Avg"), l.toString(avg() * yScale() + yOffset(),
+		  'f', 1) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Max"), l.toString(max() * yScale() + yOffset(),
+		  'f', 1) + UNIT_SPACE + yUnits());
+#else // Q_OS_ANDROID
 		GraphView::addInfo(tr("Average"), l.toString(avg() * yScale()
 		  + yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
 		GraphView::addInfo(tr("Maximum"), l.toString(max() * yScale()
-		  + yOffset(),  'f', 1) + UNIT_SPACE + yUnits());
+		  + yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
+#endif // Q_OS_ANDROID
 	} else
 		clearInfo();
 }

src/GUI/settings.h

@@ -1,6 +1,8 @@
 #ifndef SETTINGS_H
 #define SETTINGS_H
 
+#include <QtGlobal>
+
 #define IMPERIAL_UNITS() \
 	(QLocale::system().measurementSystem() == QLocale::ImperialSystem)
 #define POSITION_PLUGIN() \
@@ -215,7 +217,11 @@
 #define ENABLE_HTTP2_SETTING              "enableHTTP2"
 #define ENABLE_HTTP2_DEFAULT              true
 #define PIXMAP_CACHE_SETTING              "pixmapCache"
+#ifdef Q_OS_ANDROID
 #define PIXMAP_CACHE_DEFAULT              256 /* MB */
+#else // Q_OS_ANDROID
+#define PIXMAP_CACHE_DEFAULT              512 /* MB */
+#endif // Q_OS_ANDROID
 #define CONNECTION_TIMEOUT_SETTING        "connectionTimeout"
 #define CONNECTION_TIMEOUT_DEFAULT        30 /* s */
 #define HIRES_PRINT_SETTING               "hiresPrint"

src/GUI/speedgraph.cpp

@@ -31,10 +31,17 @@ void SpeedGraph::setInfo()
 		QString pu = (_units == Metric) ? tr("min/km") : (_units == Imperial) ?
 		  tr("min/mi") : tr("min/nmi");
 
+#ifdef Q_OS_ANDROID
+		GraphView::addInfo(tr("Avg"), l.toString(avg() * yScale(), 'f', 1)
+		  + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Max"), l.toString(max() * yScale(), 'f', 1)
+		  + UNIT_SPACE + yUnits());
+#else // Q_OS_ANDROID
 		GraphView::addInfo(tr("Average"), l.toString(avg() * yScale(), 'f',
 		  1) + UNIT_SPACE + yUnits());
 		GraphView::addInfo(tr("Maximum"), l.toString(max() * yScale(), 'f',
 		  1) + UNIT_SPACE + yUnits());
+#endif // Q_OS_ANDROID
 		GraphView::addInfo(tr("Pace"), pace + UNIT_SPACE + pu);
 	} else
 		clearInfo();

src/GUI/temperaturegraph.cpp

@@ -24,12 +24,21 @@ void TemperatureGraph::setInfo()
 	if (_showTracks) {
 		QLocale l(QLocale::system());
 
+#ifdef Q_OS_ANDROID
+		GraphView::addInfo(tr("Avg"), l.toString(avg() * yScale() + yOffset(),
+		  'f', 1) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Min"), l.toString(min() * yScale() + yOffset(),
+		  'f', 1) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Max"), l.toString(max() * yScale() + yOffset(),
+		  'f', 1) + UNIT_SPACE + yUnits());
+#else // Q_OS_ANDROID
 		GraphView::addInfo(tr("Average"), l.toString(avg() * yScale()
 		  + yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
 		GraphView::addInfo(tr("Minimum"), l.toString(min() * yScale()
 		  + yOffset(),  'f', 1) + UNIT_SPACE + yUnits());
 		GraphView::addInfo(tr("Maximum"), l.toString(max() * yScale()
 		  + yOffset(),  'f', 1) + UNIT_SPACE + yUnits());
+#endif // Q_OS_ANDROID
 	} else
 		clearInfo();
 }

src/GUI/thumbnail.cpp

@@ -32,11 +32,21 @@ Thumbnail::Thumbnail(const QString &path, int limit, QWidget *parent)
 
 	setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
 
+#ifdef Q_OS_ANDROID
+	_path = path;
+#else //Q_OS_ANDROID
 	_path = QFileInfo(path).absoluteFilePath();
+#endif // Q_OS_ANDROID
 }
 
 void Thumbnail::mousePressEvent(QMouseEvent *event)
 {
 	if (event->button() == Qt::LeftButton)
+#ifdef Q_OS_ANDROID
+		QDesktopServices::openUrl(_path);
+#else // Q_OS_ANDROID
 		QDesktopServices::openUrl(QUrl::fromLocalFile(_path));
+#endif // Q_OS_ANDROID
+
+	QLabel::mousePressEvent(event);
 }

src/common/programpaths.cpp

@@ -19,65 +19,97 @@
 #define TYP_FILE         "style.typ"
 #define RENDERTHEME_FILE "style.xml"
 
+#ifdef Q_OS_ANDROID
+#define DATA_LOCATION QStandardPaths::GenericDataLocation
+#else // Q_OS_ANDROID
+#define DATA_LOCATION QStandardPaths::AppDataLocation
+#endif // Q_OS_ANDROID
+
+#ifdef Q_OS_ANDROID
+static QString assetsPath(const QString &path, const QString &dir)
+{
+	QDir pd(path);
+
+	if (pd.isAbsolute() && pd.exists())
+		return pd.absolutePath();
+	else
+		return QString("assets://") + dir;
+}
+#endif // Q_OS_ANDROID
 
 QString ProgramPaths::mapDir(bool writable)
 {
 	if (writable)
-		return QDir(QStandardPaths::writableLocation(
-		  QStandardPaths::AppDataLocation)).filePath(MAP_DIR);
+		return QDir(QStandardPaths::writableLocation(DATA_LOCATION))
+		  .filePath(MAP_DIR);
 	else
-		return QStandardPaths::locate(QStandardPaths::AppDataLocation,
+#ifdef Q_OS_ANDROID
+		return assetsPath(QStandardPaths::locate(DATA_LOCATION, MAP_DIR,
+		  QStandardPaths::LocateDirectory), MAP_DIR);
+#else // Q_OS_ANDROID
+		return QStandardPaths::locate(DATA_LOCATION,
 		  MAP_DIR, QStandardPaths::LocateDirectory);
+#endif // Q_OS_ANDROID
 }
 
 QString ProgramPaths::poiDir(bool writable)
 {
 	if (writable)
-		return QDir(QStandardPaths::writableLocation(
-		  QStandardPaths::AppDataLocation)).filePath(POI_DIR);
+		return QDir(QStandardPaths::writableLocation(DATA_LOCATION))
+		  .filePath(POI_DIR);
 	else
-		return QStandardPaths::locate(QStandardPaths::AppDataLocation,
-		  POI_DIR, QStandardPaths::LocateDirectory);
+		return QStandardPaths::locate(DATA_LOCATION, POI_DIR,
+		  QStandardPaths::LocateDirectory);
 }
 
 QString ProgramPaths::csvDir(bool writable)
 {
 	if (writable)
-		return QDir(QStandardPaths::writableLocation(
-		  QStandardPaths::AppDataLocation)).filePath(CSV_DIR);
+		return QDir(QStandardPaths::writableLocation(DATA_LOCATION))
+		  .filePath(CSV_DIR);
 	else
-		return QStandardPaths::locate(QStandardPaths::AppDataLocation,
-		  CSV_DIR, QStandardPaths::LocateDirectory);
+#ifdef Q_OS_ANDROID
+		return assetsPath(QStandardPaths::locate(DATA_LOCATION, CSV_DIR,
+		  QStandardPaths::LocateDirectory), CSV_DIR);
+#else // Q_OS_ANDROID
+		return QStandardPaths::locate(DATA_LOCATION, CSV_DIR,
+		  QStandardPaths::LocateDirectory);
+#endif // Q_OS_ANDROID
 }
 
 QString ProgramPaths::demDir(bool writable)
 {
 	if (writable)
-		return QDir(QStandardPaths::writableLocation(
-		  QStandardPaths::AppDataLocation)).filePath(DEM_DIR);
+		return QDir(QStandardPaths::writableLocation(DATA_LOCATION))
+		  .filePath(DEM_DIR);
 	else
-		return QStandardPaths::locate(QStandardPaths::AppDataLocation,
-		  DEM_DIR, QStandardPaths::LocateDirectory);
+		return QStandardPaths::locate(DATA_LOCATION, DEM_DIR,
+		  QStandardPaths::LocateDirectory);
 }
 
 QString ProgramPaths::styleDir(bool writable)
 {
 	if (writable)
-		return QDir(QStandardPaths::writableLocation(
-		  QStandardPaths::AppDataLocation)).filePath(STYLE_DIR);
+		return QDir(QStandardPaths::writableLocation(DATA_LOCATION))
+		  .filePath(STYLE_DIR);
 	else
-		return QStandardPaths::locate(QStandardPaths::AppDataLocation,
-		  STYLE_DIR, QStandardPaths::LocateDirectory);
+		return QStandardPaths::locate(DATA_LOCATION, STYLE_DIR,
+		  QStandardPaths::LocateDirectory);
 }
 
 QString ProgramPaths::symbolsDir(bool writable)
 {
 	if (writable)
-		return QDir(QStandardPaths::writableLocation(
-		  QStandardPaths::AppDataLocation)).filePath(SYMBOLS_DIR);
+		return QDir(QStandardPaths::writableLocation(DATA_LOCATION))
+		  .filePath(SYMBOLS_DIR);
 	else
-		return QStandardPaths::locate(QStandardPaths::AppDataLocation,
-		  SYMBOLS_DIR, QStandardPaths::LocateDirectory);
+#ifdef Q_OS_ANDROID
+		return assetsPath(QStandardPaths::locate(DATA_LOCATION, SYMBOLS_DIR,
+		  QStandardPaths::LocateDirectory), SYMBOLS_DIR);
+#else // Q_OS_ANDROID
+		return QStandardPaths::locate(DATA_LOCATION, SYMBOLS_DIR,
+		  QStandardPaths::LocateDirectory);
+#endif // Q_OS_ANDROID
 }
 
 QString ProgramPaths::tilesDir()
@@ -88,36 +120,31 @@ QString ProgramPaths::tilesDir()
 
 QString ProgramPaths::translationsDir()
 {
-	return QStandardPaths::locate(QStandardPaths::AppDataLocation,
-	  TRANSLATIONS_DIR, QStandardPaths::LocateDirectory);
+	return QStandardPaths::locate(DATA_LOCATION, TRANSLATIONS_DIR,
+	  QStandardPaths::LocateDirectory);
 }
 
 QString ProgramPaths::ellipsoidsFile()
 {
-	return QStandardPaths::locate(QStandardPaths::AppDataLocation,
-	  CSV_DIR "/" ELLIPSOID_FILE, QStandardPaths::LocateFile);
+	return QDir(csvDir()).filePath(ELLIPSOID_FILE);
 }
 
 QString ProgramPaths::gcsFile()
 {
-	return QStandardPaths::locate(QStandardPaths::AppDataLocation,
-	  CSV_DIR "/" GCS_FILE, QStandardPaths::LocateFile);
+	return QDir(csvDir()).filePath(GCS_FILE);
 }
 
 QString ProgramPaths::pcsFile()
 {
-	return QStandardPaths::locate(QStandardPaths::AppDataLocation,
-	  CSV_DIR "/" PCS_FILE, QStandardPaths::LocateFile);
+	return QDir(csvDir()).filePath(PCS_FILE);
 }
 
 QString ProgramPaths::typFile()
 {
-	return QStandardPaths::locate(QStandardPaths::AppDataLocation,
-	  STYLE_DIR "/" TYP_FILE, QStandardPaths::LocateFile);
+	return QDir(styleDir()).filePath(TYP_FILE);
 }
 
 QString ProgramPaths::renderthemeFile()
 {
-	return QStandardPaths::locate(QStandardPaths::AppDataLocation,
-	  STYLE_DIR "/" RENDERTHEME_FILE, QStandardPaths::LocateFile);
+	return QDir(styleDir()).filePath(RENDERTHEME_FILE);
 }

src/common/util.cpp

@@ -1,9 +1,71 @@
 #include <cctype>
 #include <cmath>
 #include <QFileInfo>
+#ifdef Q_OS_ANDROID
+#include <QUrl>
+#include <QCoreApplication>
+#include <QJniEnvironment>
+#include <QJniObject>
+#endif // Q_OS_ANDROID
 #include "util.h"
 
 
+#ifdef Q_OS_ANDROID
+static QString documentName(const QString &path)
+{
+	QJniEnvironment env;
+
+	QJniObject urlString = QJniObject::fromString(path);
+	QJniObject uri = QJniObject::callStaticObjectMethod("android/net/Uri",
+	  "parse", "(Ljava/lang/String;)Landroid/net/Uri;",
+	  urlString.object<jstring>());
+	if (!uri.isValid()) {
+		env->ExceptionClear();
+		return QString();
+	}
+	QJniObject context = QNativeInterface::QAndroidApplication::context();
+	if (!context.isValid()) {
+		env->ExceptionClear();
+		return QString();
+	}
+	QJniObject contentResolver = context.callObjectMethod(
+	  "getContentResolver", "()Landroid/content/ContentResolver;");
+	if (!contentResolver.isValid()) {
+		env->ExceptionClear();
+		return QString();
+	}
+	QJniObject columnName = QJniObject::getStaticObjectField<jstring>(
+	  "android/provider/MediaStore$MediaColumns", "DISPLAY_NAME");
+	if (!columnName.isValid()) {
+		env->ExceptionClear();
+		return QString();
+	}
+	jobjectArray stringArray = env->NewObjectArray(
+	  1, env->FindClass("java/lang/String"), 0);
+	env->SetObjectArrayElement(stringArray, 0, columnName.object<jstring>());
+	QJniObject cursor = contentResolver.callObjectMethod("query",
+	  "(Landroid/net/Uri;[Ljava/lang/String;Landroid/os/Bundle;"
+	  "Landroid/os/CancellationSignal;)Landroid/database/Cursor;",
+	  uri.object(), stringArray, 0, 0);
+	if (!cursor.isValid()) {
+		env->ExceptionClear();
+		return QString();
+	}
+	if (!cursor.callMethod<jboolean>("moveToFirst")) {
+		env->ExceptionClear();
+		return QString();
+	}
+	QJniObject str = cursor.callObjectMethod("getString",
+	  "(I)Ljava/lang/String;", 0);
+	if (!str.isValid()) {
+		env->ExceptionClear();
+		return QString();
+	}
+
+	return str.toString();
+}
+#endif // Q_OS_ANDROID
+
 int Util::str2int(const char *str, int len)
 {
 	int res = 0;
@@ -52,6 +114,28 @@ double Util::niceNum(double x, bool round)
 
 QString Util::file2name(const QString &path)
 {
-	QFileInfo fi(path);
+	QFileInfo fi(displayName(path));
 	return fi.baseName().replace('_', ' ');
 }
+
+QString Util::displayName(const QString &path)
+{
+#ifdef Q_OS_ANDROID
+	QUrl url(path);
+
+	// Not an Android URL, return standard filename.
+	if (url.scheme() != "content") {
+		QFileInfo fi(path);
+		return fi.fileName();
+	// Directory browsing URLs. Those can not be translated using the Android
+	// content resolver but we can get the filename from the URL path.
+	} else if (url.path().startsWith("/tree/")) {
+		QFileInfo fi(url.fileName());
+		return fi.fileName();
+	// Translate all "regular" android URLs using the Android content resolver.
+	} else
+		return documentName(path);
+#else
+	return path;
+#endif // Q_OS_ANDROID
+}

src/common/util.h

@@ -8,6 +8,7 @@ namespace Util
 	int str2int(const char *str, int len);
 	double niceNum(double x, bool round);
 	QString file2name(const QString &path);
+	QString displayName(const QString &path);
 }
 
 #endif // UTIL_H

src/map/IMG/rastertile.cpp

@@ -174,6 +174,8 @@ void RasterTile::render()
 
 	qDeleteAll(textItems);
 
+	_valid = true;
+
 	//painter.setPen(Qt::red);
 	//painter.setRenderHint(QPainter::Antialiasing, false);
 	//painter.drawRect(QRect(_xy, _pixmap.size()));
@@ -185,7 +187,7 @@ void RasterTile::ll2xy(QList<MapData::Poly> &polys)
 		MapData::Poly &poly = polys[i];
 		for (int j = 0; j < poly.points.size(); j++) {
 			QPointF &p = poly.points[j];
-			p = _map->ll2xy(Coordinates(p.x(), p.y()));
+			p = ll2xy(Coordinates(p.x(), p.y()));
 		}
 	}
 }
@@ -193,7 +195,7 @@ void RasterTile::ll2xy(QList<MapData::Poly> &polys)
 void RasterTile::ll2xy(QList<MapData::Point> &points)
 {
 	for (int i = 0; i < points.size(); i++) {
-		QPointF p(_map->ll2xy(points.at(i).coordinates));
+		QPointF p(ll2xy(points.at(i).coordinates));
 		points[i].coordinates = Coordinates(p.x(), p.y());
 	}
 }
@@ -210,8 +212,8 @@ void RasterTile::drawPolygons(QPainter *painter)
 
 			if (poly.raster.isValid()) {
 				RectC r(poly.raster.rect());
-				QPointF tl(_map->ll2xy(r.topLeft()));
-				QPointF br(_map->ll2xy(r.bottomRight()));
+				QPointF tl(ll2xy(r.topLeft()));
+				QPointF br(ll2xy(r.bottomRight()));
 				QSizeF size(QRectF(tl, br).size());
 
 				bool insert = false;

src/map/IMG/rastertile.h

@@ -3,6 +3,8 @@
 
 #include <QPixmap>
 #include "mapdata.h"
+#include "map/projection.h"
+#include "map/transform.h"
 
 class QPainter;
 class IMGMap;
@@ -15,20 +17,25 @@ class Style;
 class RasterTile
 {
 public:
-	RasterTile(IMGMap *map, const Style *style, int zoom, const QRect &rect,
-	  qreal ratio, const QString &key, const QList<MapData::Poly> &polygons,
+	RasterTile(const Projection &proj, const Transform &transform,
+	  const Style *style, int zoom, const QRect &rect, qreal ratio,
+	  const QString &key, const QList<MapData::Poly> &polygons,
 	  const QList<MapData::Poly> &lines, QList<MapData::Point> &points)
-	  : _map(map), _style(style), _zoom(zoom), _rect(rect), _ratio(ratio),
-	  _key(key), _pixmap(rect.width() * ratio, rect.height() * ratio),
-	  _polygons(polygons), _lines(lines), _points(points) {}
+	  : _proj(proj), _transform(transform), _style(style), _zoom(zoom),
+	  _rect(rect), _ratio(ratio), _key(key),
+	  _pixmap(rect.width() * ratio, rect.height() * ratio), _polygons(polygons),
+	  _lines(lines), _points(points), _valid(false) {}
 
 	const QString &key() const {return _key;}
 	QPoint xy() const {return _rect.topLeft();}
 	const QPixmap &pixmap() const {return _pixmap;}
+	bool isValid() const {return _valid;}
 
 	void render();
 
 private:
+	QPointF ll2xy(const Coordinates &c) const
+	  {return _transform.proj2img(_proj.ll2xy(c));}
 	void ll2xy(QList<MapData::Poly> &polys);
 	void ll2xy(QList<MapData::Point> &points);
 
@@ -42,7 +49,8 @@ private:
 	void processShields(QList<TextItem*> &textItems);
 	void processStreetNames(QList<TextItem*> &textItems);
 
-	IMGMap *_map;
+	Projection _proj;
+	Transform _transform;
 	const Style *_style;
 	int _zoom;
 	QRect _rect;
@@ -52,6 +60,7 @@ private:
 	QList<MapData::Poly> _polygons;
 	QList<MapData::Poly> _lines;
 	QList<MapData::Point> _points;
+	bool _valid;
 };
 
 }

src/map/imgmap.cpp

@@ -71,6 +71,8 @@ void IMGMap::load()
 
 void IMGMap::unload()
 {
+	cancelJobs(true);
+
 	for (int i = 0; i < _data.size(); i++)
 		_data.at(i)->clear();
 }
@@ -100,6 +102,8 @@ int IMGMap::zoomFit(const QSize &size, const RectC &rect)
 
 int IMGMap::zoomIn()
 {
+	cancelJobs(false);
+
 	_zoom = qMin(_zoom + 1, _data.first()->zooms().max());
 	updateTransform();
 	return _zoom;
@@ -107,6 +111,8 @@ int IMGMap::zoomIn()
 
 int IMGMap::zoomOut()
 {
+	cancelJobs(false);
+
 	_zoom = qMax(_zoom - 1, _data.first()->zooms().min());
 	updateTransform();
 	return _zoom;
@@ -139,10 +145,55 @@ void IMGMap::updateTransform()
 		_bounds.adjust(0.5, 0, -0.5, 0);
 }
 
+bool IMGMap::isRunning(const QString &key) const
+{
+	for (int i = 0; i < _jobs.size(); i++) {
+		const QList<IMG::RasterTile> &tiles = _jobs.at(i)->tiles();
+		for (int j = 0; j < tiles.size(); j++)
+			if (tiles.at(j).key() == key)
+				return true;
+	}
+
+	return false;
+}
+
+void IMGMap::runJob(IMGMapJob *job)
+{
+	_jobs.append(job);
+
+	connect(job, &IMGMapJob::finished, this, &IMGMap::jobFinished);
+	job->run();
+}
+
+void IMGMap::removeJob(IMGMapJob *job)
+{
+	_jobs.removeOne(job);
+	job->deleteLater();
+}
+
+void IMGMap::jobFinished(IMGMapJob *job)
+{
+	const QList<IMG::RasterTile> &tiles = job->tiles();
+
+	for (int i = 0; i < tiles.size(); i++) {
+		const IMG::RasterTile &mt = tiles.at(i);
+		if (mt.isValid())
+			QPixmapCache::insert(mt.key(), mt.pixmap());
+	}
+
+	removeJob(job);
+
+	emit tilesLoaded();
+}
+
+void IMGMap::cancelJobs(bool wait)
+{
+	for (int i = 0; i < _jobs.size(); i++)
+		_jobs.at(i)->cancel(wait);
+}
+
 void IMGMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
 {
-	Q_UNUSED(flags);
-
 	QPointF tl(floor(rect.left() / TILE_SIZE)
 	  * TILE_SIZE, floor(rect.top() / TILE_SIZE) * TILE_SIZE);
 	QSizeF s(rect.right() - tl.x(), rect.bottom() - tl.y());
@@ -159,6 +210,9 @@ void IMGMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
 				QString key(_data.at(n)->fileName() + "-" + QString::number(_zoom)
 				  + "_" + QString::number(ttl.x()) + "_" + QString::number(ttl.y()));
 
+				if (isRunning(key))
+					continue;
+
 				if (QPixmapCache::find(key, &pm))
 					painter->drawPixmap(ttl, pm);
 				else {
@@ -182,7 +236,8 @@ void IMGMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
 					_data.at(n)->points(pointRectD.toRectC(_projection, 20),
 					  _zoom, &points);
 
-					tiles.append(RasterTile(this, _data.at(n)->style(), _zoom,
+					tiles.append(RasterTile(_projection, _transform,
+					  _data.at(n)->style(), _zoom,
 					  QRect(ttl, QSize(TILE_SIZE, TILE_SIZE)), _tileRatio, key,
 					  polygons, lines, points));
 				}
@@ -190,14 +245,19 @@ void IMGMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
 		}
 	}
 
-	QFuture<void> future = QtConcurrent::map(tiles, &RasterTile::render);
-	future.waitForFinished();
+	if (!tiles.isEmpty()) {
+		if (flags & Map::Block) {
+			QFuture<void> future = QtConcurrent::map(tiles, &RasterTile::render);
+			future.waitForFinished();
 
-	for (int i = 0; i < tiles.size(); i++) {
-		const RasterTile &mt = tiles.at(i);
-		const QPixmap &pm = mt.pixmap();
-		painter->drawPixmap(mt.xy(), pm);
-		QPixmapCache::insert(mt.key(), pm);
+			for (int i = 0; i < tiles.size(); i++) {
+				const RasterTile &mt = tiles.at(i);
+				const QPixmap &pm = mt.pixmap();
+				painter->drawPixmap(mt.xy(), pm);
+				QPixmapCache::insert(mt.key(), pm);
+			}
+		} else
+			runJob(new IMGMapJob(tiles));
 	}
 }
 

src/map/imgmap.h

@@ -1,12 +1,49 @@
 #ifndef IMGMAP_H
 #define IMGMAP_H
 
+#include <QtConcurrent>
 #include "map.h"
 #include "projection.h"
 #include "transform.h"
 #include "IMG/mapdata.h"
+#include "IMG/rastertile.h"
 
 
+class IMGMapJob : public QObject
+{
+	Q_OBJECT
+
+public:
+	IMGMapJob(const QList<IMG::RasterTile> &tiles)
+	  : _tiles(tiles) {}
+
+	void run()
+	{
+		connect(&_watcher, &QFutureWatcher<void>::finished, this,
+		  &IMGMapJob::handleFinished);
+		_future = QtConcurrent::map(_tiles, &IMG::RasterTile::render);
+		_watcher.setFuture(_future);
+	}
+	void cancel(bool wait)
+	{
+		_future.cancel();
+		if (wait)
+			_future.waitForFinished();
+	}
+	const QList<IMG::RasterTile> &tiles() const {return _tiles;}
+
+signals:
+	void finished(IMGMapJob *job);
+
+private slots:
+	void handleFinished() {emit finished(this);}
+
+private:
+	QFutureWatcher<void> _watcher;
+	QFuture<void> _future;
+	QList<IMG::RasterTile> _tiles;
+};
+
 class IMGMap : public Map
 {
 	Q_OBJECT
@@ -44,9 +81,16 @@ public:
 
 	static Map* create(const QString &path, const Projection &, bool *isDir);
 
+private slots:
+	void jobFinished(IMGMapJob *job);
+
 private:
 	Transform transform(int zoom) const;
 	void updateTransform();
+	bool isRunning(const QString &key) const;
+	void runJob(IMGMapJob *job);
+	void removeJob(IMGMapJob *job);
+	void cancelJobs(bool wait);
 
 	QList<IMG::MapData *> _data;
 	int _zoom;
@@ -56,6 +100,8 @@ private:
 	RectC _dataBounds;
 	qreal _tileRatio;
 
+	QList<IMGMapJob*> _jobs;
+
 	bool _valid;
 	QString _errorString;
 };

src/map/mapsforgemap.cpp

@@ -1,4 +1,5 @@
 #include <QPainter>
+#include <QPixmapCache>
 #include "common/wgs84.h"
 #include "pcs.h"
 #include "rectd.h"
@@ -164,8 +165,6 @@ void MapsforgeMap::cancelJobs()
 
 void MapsforgeMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
 {
-	Q_UNUSED(flags);
-
 	QPointF tl(floor(rect.left() / _data.tileSize()) * _data.tileSize(),
 	  floor(rect.top() / _data.tileSize()) * _data.tileSize());
 	QSizeF s(rect.right() - tl.x(), rect.bottom() - tl.y());
@@ -215,8 +214,20 @@ void MapsforgeMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
 		}
 	}
 
-	if (!tiles.isEmpty())
-		runJob(new MapsforgeMapJob(tiles));
+	if (!tiles.isEmpty()) {
+		if (flags & Map::Block) {
+			QFuture<void> future = QtConcurrent::map(tiles, &RasterTile::render);
+			future.waitForFinished();
+
+			for (int i = 0; i < tiles.size(); i++) {
+				const RasterTile &mt = tiles.at(i);
+				const QPixmap &pm = mt.pixmap();
+				painter->drawPixmap(mt.xy(), pm);
+				QPixmapCache::insert(key(mt.zoom(), mt.xy()), pm);
+			}
+		} else
+			runJob(new MapsforgeMapJob(tiles));
+	}
 }
 
 void MapsforgeMap::setDevicePixelRatio(qreal deviceRatio, qreal mapRatio)

src/map/mapsforgemap.h

@@ -2,7 +2,6 @@
 #define MAPSFORGEMAP_H
 
 #include <QtConcurrent>
-#include <QPixmapCache>
 #include "mapsforge/mapdata.h"
 #include "mapsforge/rastertile.h"
 #include "projection.h"