Add support for Android 2.2, bump up sdk versions and gradle plugin

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.0.1'
+        classpath 'com.android.tools.build:gradle:1.3.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -14,10 +14,10 @@ buildscript {
 
 allprojects {
 
-    version = VERSION_NAME
-    group = GROUP
+//    version = VERSION_NAME
+//    group = GROUP
 
     repositories {
         jcenter()
     }
-}
+}

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-2.6-all.zip

library/build.gradle

@@ -1,12 +1,12 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 21
-    buildToolsVersion "21.1.2"
+    compileSdkVersion 23
+    buildToolsVersion "23.0.1"
 
     defaultConfig {
-        minSdkVersion 14
-        targetSdkVersion 21
+        minSdkVersion 8
+        targetSdkVersion 23
         versionCode 7
         versionName "1.3"
     }
@@ -22,4 +22,4 @@ dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
 }
 
-apply from: 'https://raw.github.com/chrisbanes/gradle-mvn-push/master/gradle-mvn-push.gradle'
+//apply from: 'https://raw.github.com/chrisbanes/gradle-mvn-push/master/gradle-mvn-push.gradle'

library/src/main/java/com/andexert/expandablelayout/library/ExpandableLayout.java

@@ -82,7 +82,11 @@ private void init(final Context context, AttributeSet attrs)
         final View contentView = View.inflate(context, contentID, null);
         contentView.setLayoutParams(new ViewGroup.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
         contentLayout.addView(contentView);
-        contentLayout.setVisibility(GONE);
+        //workaround for android pre 14sdk
+        contentLayout.getLayoutParams().height = 1;
+        contentLayout.setVisibility(View.INVISIBLE);
+        contentLayout.requestLayout();
+
         headerLayout.setOnClickListener(new OnClickListener()
         {
             @Override
@@ -148,7 +152,7 @@ private void collapse(final View v)
             protected void applyTransformation(float interpolatedTime, Transformation t) {
                 if(interpolatedTime == 1)
                 {
-                    v.setVisibility(View.GONE);
+                    v.setVisibility(View.INVISIBLE);
                     isOpened = false;
                 }
                 else{

sample/build.gradle

@@ -1,12 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 21
-    buildToolsVersion "21.1.2"
+    compileSdkVersion 23
+    buildToolsVersion "23.0.1"
 
     defaultConfig {
-        minSdkVersion 14
-        targetSdkVersion 21
+        minSdkVersion 8
+        targetSdkVersion 23
         versionCode 1
         versionName "1.0"
     }
@@ -21,4 +21,4 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile project(':library')
-}
+}