英文 原版 Developers, build mobile Android apps using Android 4 The fast–growing popularity of Android smartphones and tablets creates a huge opportunities for developers. If you′re an experienced developer, you can start creating robust mobile Android
安卓基本语句有public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id