ActionBarImplBase can only be used with a compatible window decor layout

ActionBarImplBase can only be used with a compatible window decor layout

This error occured in android 2.3 if you’re trying to use ActionBar feature on theme that disable ActionBar

Let’s say you define a style that enable actionbar overlay mode

<style name="MyTheme" parent="Theme.AppCompat">
     <item name="android:windowActionBarOverlay">true</item>
     <item name="windowActionBarOverlay">true</item>

Then one style extends this base style, but disable the actionbar

<style name="MyDifferentTheme" parent="MyTheme">
     <item name="android:windowActionBar">false</item>
     <item name="windowActionBar">false</item>

This will cause the crash. To fix it, the new style either need to extend different parent style, or disable the actionbar feature

<style name="MyDifferentTheme" parent="MyTheme">
     <item name="android:windowActionBar">false</item>
     <item name="windowActionBar">false</item>
     <item name="android:windowActionBarOverlay">false</item>
     <item name="windowActionBarOverlay">false</item>

Titanium Studio unbound classpath container error

Faced this error while creating Titanium module. This solution is not in exact order, however after trying all the steps I finally could get rid of the error message



  • edit ~/.bash_profile
  • export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
  • source ~/.bash_profile

Edit Titanium Studio preferences

  • Preferences > Java > Compiler
  • set ‘Compiler compliance level’ to ‘1.6’
  • Java > Installed JREs > Add > Standard VM
  • set ‘JRE Home’ to JAVA_HOME
  • Finish
  • clean project

After cleaning the project, the error should go away

Method calling thread for Titanium module (Android)

When creating method for a Titanium module in Android, using @Kroll.method annotation, this method will be invoked on KrollRuntimeThread. This is important to know if that method is accessing UI component, such as TextView or WebView, since all UI related components must be handled on main thread.

@Kroll.method annotation have one convenient argument that allow method to be called on UI thread

public void show() {}

However, it is deprecated – as noted on Specific Changes no. 18 of Android Module Porting Guide , you can use TiMessenger class.

Or, easier way is to use Activity runOnUiThread method

public void show() {
    getActivity().runOnUIThread(new Runnable() {
        public void run() {
            // code here