Add custom android Activity

Doesn't do anything yet, but we're going to need it for the android
integration

CMakeLists.txt

@@ -48,6 +48,7 @@ if (ANDROID)
     find_package(SQLite3)
     find_package(ZLIB)
     find_package(Gradle)
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/android/version.gradle.in ${CMAKE_BINARY_DIR}/version.gradle)
 else()
     find_package(Qt5 ${QT_MIN_VERSION} REQUIRED COMPONENTS Widgets DBus)
 endif()

android/AndroidManifest.xml

@@ -16,7 +16,7 @@
 
     <application android:name="org.qtproject.qt5.android.bindings.QtApplication" android:label="Kasts" android:icon="@mipmap/ic_launcher">
         <activity android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation"
-                  android:name="org.qtproject.qt5.android.bindings.QtActivity"
+                  android:name="org.kde.kasts.Activity"
                   android:label="Kasts"
                   android:windowSoftInputMode="adjustResize"
                   android:launchMode="singleTop">

android/build.gradle

@@ -0,0 +1,96 @@
+/*
+    SPDX-FileCopyrightText: 2018-2020 Volker Krause <vkrause@kde.org>
+    SPDX-FileCopyrightText: 2019 Nicolas Fella <nicolas.fella@gmx.de>
+    SPDX-FileCopyrightText: 2020 Gabriel Souza Franco <gabrielfrancosouza@gmail.com>
+    SPDX-License-Identifier: BSD-3-Clause
+*/
+
+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.6.4'
+    }
+}
+
+repositories {
+    google()
+    jcenter()
+}
+
+
+apply plugin: 'com.android.application'
+apply from: '../version.gradle'
+def timestamp = (int)(new Date().getTime()/1000)
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
+}
+
+android {
+    /*******************************************************
+     * The following variables:
+     * - androidBuildToolsVersion,
+     * - androidCompileSdkVersion
+     * - qt5AndroidDir - 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
+
+    sourceSets {
+        main {
+            manifest.srcFile 'AndroidManifest.xml'
+            java.srcDirs = [qt5AndroidDir + '/src', 'src', 'java']
+            aidl.srcDirs = [qt5AndroidDir + '/src', 'src', 'aidl']
+            res.srcDirs = [qt5AndroidDir + '/res', 'res']
+            resources.srcDirs = ['src']
+            renderscript.srcDirs = ['src']
+            assets.srcDirs = ['assets']
+            jniLibs.srcDirs = ['libs']
+       }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    lintOptions {
+        abortOnError false
+    }
+
+    defaultConfig {
+        minSdkVersion qtMinSdkVersion
+        targetSdkVersion qtTargetSdkVersion
+        manifestPlaceholders = [versionName: projectVersionFull, versionCode: timestamp]
+    }
+
+    packagingOptions {
+        exclude 'lib/*/*RemoteObjects*'
+        exclude 'lib/*/*StateMachine*'
+        exclude 'lib/*/*_imageformats_qico_*'
+        exclude 'lib/*/*_imageformats_qicns_*'
+        exclude 'lib/*/*_imageformats_qtga_*'
+        exclude 'lib/*/*_imageformats_qtiff_*'
+        exclude 'lib/*/*_qmltooling_*'
+    }
+
+    aaptOptions {
+        // different syntax than above
+        // see https://android.googlesource.com/platform/frameworks/base/+/refs/heads/pie-release/tools/aapt2/util/Files.h#90
+        ignoreAssetsPattern '!<dir>ECM:!<dir>aclocal:!<dir>doc:!<dir>gtk-doc:!<dir>iso-codes:!<dir>man:!<dir>mime:!<dir>pkgconfig:!<dir>qlogging-categories5:!<file>iso_15924.mo:!<file>iso_3166-2.mo:!<file>iso_3166-3.mo:!<file>iso_4217.mo:!<file>iso_639-2.mo:!<file>iso_639-3.mo:!<file>iso_639-5.mo:!<file>kcodecs5_qt.qm:!<file>kde5_xml_mimetypes.qm'
+     }
+
+
+}

android/src/org/kde/kasts/Activity.java

@@ -0,0 +1,27 @@
+// SPDX-FileCopyrightText: 2018 Volker Krause <vkrause@kde.org>
+// SPDX-License-Identifier: LGPL-2.0-or-later
+
+
+package org.kde.kasts;
+
+import org.qtproject.qt5.android.bindings.QtActivity;
+
+import android.content.Intent;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.CalendarContract;
+import android.os.Bundle;
+import android.util.Log;
+
+import java.io.*;
+import java.util.*;
+
+public class Activity extends QtActivity
+{
+    private static final String TAG = "org.kde.kasts";
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+}

android/version.gradle.in

@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: 2021 Volker Krause <vkrause@kde.org>
+// SPDX-License-Identifier: BSD-3-Clause
+
+ext {
+    projectVersionFull = "@PROJECT_VERSION@"
+}