@Override
public void onBackPressed() {
if (mDrawer.isDrawerOpen(GravityCompat.START)) {
mDrawer.closeDrawer(GravityCompat.START);
return;
}
// handle back button for all fragment
Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.content_frame);
if (fragment instanceof FavoriteBoardFragment) {
if (!favoriteBoardFragment.atFavoriteRoot()) {
favoriteBoardFragment.popFavoritePath();
favoriteBoardFragment.RefreshFavoriteBoards();
return;
}
}
if (fragment != hotTopicFragment) {
// return to hottopic if we are not there yet
String title = "首页导读";
FragmentManager fm = getSupportFragmentManager();
fm.beginTransaction().replace(R.id.content_frame, hotTopicFragment).commit();
setTitle(SMTHApplication.App_Title_Prefix + title);
return;
}
// for other cases, double back to exit app
DoubleBackToExit();
}
@Override
public void onBoardFragmentInteraction(Board item) {
// shared by FavoriteBoard & AllBoard fragment
Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.content_frame);
if (fragment == favoriteBoardFragment) {
// favorite fragment, we might enter a folder
if (item.isFolder()) {
favoriteBoardFragment.pushFavoritePath(item.getFolderID(), item.getFolderName());
favoriteBoardFragment.RefreshFavoriteBoards();
} else {
startBoardTopicActivity(item);
}
} else if (fragment == allBoardFragment) {
startBoardTopicActivity(item);
}
}