Question

I am new to android application.
My Android application works well on emulator but running on real android device (Softbank 003 SH), when I rotate the device from portrait to landscape, the application stop unexpectedly.
Do you have any hint to solve this problem?

Answer 1

when rotate the device from landscape to portrait will re-create the activity so thread will stop and if any builder is running will cause a error so :

Start by adding the
android:configChanges node to your Activity’s manifest node

android:configChanges="keyboardHidden|orientation"

Then within the Activity override the onConfigurationChanged method and call setContentView to force the GUI layout to be re-done in the new orientation.

@Override
public void onConfigurationChanged(Configuration newConfig) {
  super.onConfigurationChanged(newConfig);
  setContentView(R.layout.myLayout);
}