/** Controls behavior of the back button */
@Override
public void onBackPressed() {
// Only close apps when there's no backstack
if (getSupportFragmentManager().getBackStackEntryCount() <= 1) {
finish();
} else {
super.onBackPressed();
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
DisplayImageOptions defaultOptions =
new DisplayImageOptions.Builder().cacheInMemory(true).cacheOnDisk(true).build();
ImageLoaderConfiguration config =
new ImageLoaderConfiguration.Builder(getApplicationContext())
.defaultDisplayImageOptions(defaultOptions)
.build();
ImageLoader.getInstance().init(config);
}