add changelog to app, update build scripts and apk

AndroidManifest.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.uberspot.a2048"
-    android:versionCode="20"
-    android:versionName="2.0" >
+    android:versionCode="21"
+    android:versionName="2.05" >
 
     <uses-sdk
         android:minSdkVersion="8"

build.gradle

@@ -3,18 +3,23 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.2.3'
+        classpath 'com.android.tools.build:gradle:2.0.0-alpha3'
     }
 }
-apply plugin: 'android'
+apply plugin: 'com.android.application'
+
+repositories {
+    mavenCentral()
+}
 
 dependencies {
     compile fileTree(dir: 'libs', include: '*.jar')
+    compile 'de.cketti.library.changelog:ckchangelog:1.2.2'
 }
 
 android {
-    compileSdkVersion 22
-    buildToolsVersion "22.0.1"
+    compileSdkVersion 23
+    buildToolsVersion "23.0.2"
 
     sourceSets {
         main {

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-2.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.8-all.zip

res/xml/changelog_master.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<changelog>
+    <release version="2.05" versioncode="21" >
+        <change>Added changelog in app</change>
+    </release>
+    <release version="2.0" versioncode="20" >
+        <change>Added undo button (thx to fraggerfox on github)</change>
+    </release>
+    <release version="1.96" versioncode="19" >
+        <change>Rebuilt apk with new build tools.</change>
+    </release>
+    <release version="1.95" versioncode="18">
+        <change>Added German, Spanish, Polish, Serbian translations thx to contributors in githube</change>
+        <change>Added experimental night mode button</change>
+        <change>Minor optimizations to responsiveness</change>
+    </release>
+    <release version="1.91" versioncode="18" >
+        <change>Added greek and french app translation, minor build improvements.</change>
+    </release>
+</changelog>

src/com/uberspot/a2048/MainActivity.java

@@ -24,6 +24,8 @@
 import android.webkit.WebView;
 import android.widget.Toast;
 
+import de.cketti.library.changelog.ChangeLog;
+
 public class MainActivity extends Activity {
 
     private static final String MAIN_ACTIVITY_TAG = "2048_MainActivity";
@@ -74,6 +76,11 @@ protected void onCreate(Bundle savedInstanceState) {
 
         setContentView(R.layout.activity_main);
 
+        ChangeLog cl = new ChangeLog(this);
+        if (cl.isFirstRun()) {
+            cl.getLogDialog().show();
+        }
+
         // Load webview with game
         mWebView = (WebView) findViewById(R.id.mainWebView);
         WebSettings settings = mWebView.getSettings();