Updated Android project files and documentation

android-project/app/build.gradle

@@ -9,7 +9,6 @@ else {
 
 android {
     compileSdkVersion 26
-    buildToolsVersion "26.0.1"
     defaultConfig {
         if (buildAsApplication) {
             applicationId "org.libsdl.app"
@@ -21,10 +20,9 @@ android {
         externalNativeBuild {
             ndkBuild {
                 arguments "APP_PLATFORM=android-14"
-                abiFilters 'armeabi-v7a', 'x86'
+                abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
             }
         }
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
         release {
@@ -61,9 +59,5 @@ android {
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
-    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
-        exclude group: 'com.android.support', module: 'support-annotations'
-    })
-    testCompile 'junit:junit:4.12'
 }

android-project/app/jni/Application.mk

@@ -1,7 +1,8 @@
 
 # Uncomment this if you're using STL in your project
-# See CPLUSPLUS-SUPPORT.html in the NDK documentation for more information
+# You can find more information here:
-# APP_STL := stlport_static
+# https://developer.android.com/ndk/guides/cpp-support
+# APP_STL := c++_shared
 
 APP_ABI := armeabi-v7a arm64-v8a x86 x86_64
 

android-project/app/src/main/AndroidManifest.xml

@@ -8,9 +8,6 @@
     android:versionName="1.0"
     android:installLocation="auto">
 
-    <!-- Android 4.0.1 -->
-    <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="16" />
-
     <!-- OpenGL ES 2.0 -->
     <uses-feature android:glEsVersion="0x00020000" />
 

android-project/build.gradle

@@ -3,9 +3,10 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
+        classpath 'com.android.tools.build:gradle:3.2.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,6 +16,7 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 

android-project/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip

docs/README-android.md

@@ -77,18 +77,16 @@ For more complex projects, follow these instructions:
    and rename it to the name of your project.
 2. Move or symlink this SDL directory into the "<project>/app/jni" directory
 3. Edit "<project>/app/jni/src/Android.mk" to include your source files
-4. Run 'ndk-build' (a script provided by the NDK). This compiles the C source
 
-If you want to use Android Studio (recommended), skip to the Android Studio section below.
+4a. If you want to use Android Studio, simply open your <project> directory and start building.
 
-5. Run './gradlew installDebug' in the project directory. This compiles the .java, creates an .apk with the native code embedded, and installs it on any connected Android device
+4b. If you want to build manually, run './gradlew installDebug' in the project directory. This compiles the .java, creates an .apk with the native code embedded, and installs it on any connected Android device
 
 Here's an explanation of the files in the Android project, so you can customize them:
 
     android-project/app
         build.gradle            - build info including the application version and SDK
-        src/main/AndroidManifest.xml	- package manifest. Among others, it contains the class name
+        src/main/AndroidManifest.xml	- package manifest. Among others, it contains the class name of the main Activity and the package name of the application.
-        			  of the main Activity and the package name of the application.
         jni/			- directory holding native code
         jni/Application.mk	- Application JNI settings, including target platform and STL library
         jni/Android.mk		- Android makefile that can call recursively the Android.mk files in all subdirectories
@@ -216,26 +214,10 @@ detach it.
 You can use STL in your project by creating an Application.mk file in the jni
 folder and adding the following line:
 
-    APP_STL := stlport_static
+    APP_STL := c++_shared
 
-For more information check out CPLUSPLUS-SUPPORT.html in the NDK documentation.
+For more information go here:
-
+	https://developer.android.com/ndk/guides/cpp-support
-
-================================================================================
- Additional documentation
-================================================================================
-
-The documentation in the NDK docs directory is very helpful in understanding the
-build process and how to work with native code on the Android platform.
-
-The best place to start is with docs/OVERVIEW.TXT
-
-
-================================================================================
- Using Android Studio
-================================================================================
-
-You can open your project directory with Android Studio and run it normally.
 
 
 ================================================================================
@@ -291,7 +273,10 @@ You can see the complete command line that ndk-build is using by passing V=1 on
 
     ndk-build V=1
 
-If your application crashes in native code, you can use addr2line to convert the
+If your application crashes in native code, you can use ndk-stack to get a symbolic stack trace:
+	https://developer.android.com/ndk/guides/ndk-stack
+
+If you want to go through the process manually, you can use addr2line to convert the
 addresses in the stack trace to lines in your code.
 
 For example, if your crash looks like this: