// 显示某个相册的照片列表Fragment;
private void showPhotoPickerFragment(String albumName, List<PhotoInfo> list) {
// 显示左边按钮;
mTvLeftCancleBtn.setVisibility(View.VISIBLE);
mTvLeftArrowBtn.setVisibility(View.VISIBLE);
mTitleTextView.setText(albumName);
FragmentTransaction transaction =
mFragmentManager
.beginTransaction()
.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
// 替换当前的Fragment;
if (!mPhotoPickerFragment.isAdded()) { // 先判断是否被add过,如果没有add过,直接add这个fragment;
Bundle args = new Bundle();
// 这个每次进入前都要把文件夹照片列表发送给photopickfragment;
PhotoList photoSerializable = new PhotoList();
photoSerializable.setList(list);
args.putSerializable("list", photoSerializable);
mPhotoPickerFragment.setArguments(args);
transaction
.hide(mPhotoFolderFragment)
.add(R.id.fragment_container, mPhotoPickerFragment)
.commit(); // 隐藏当前的fragment，add下一个到Activity中
} else { // 如果已经add过,隐藏这个fragment,并且显示下一个fragment;
mPhotoPickerFragment.updateDataList(list);
transaction
.hide(mPhotoFolderFragment)
.show(mPhotoPickerFragment)
.commit(); // 隐藏当前的fragment，显示下一个
}
mCurrentFragment = mPhotoPickerFragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.lp_activity_localphoto);
setTitleView();
mFragmentManager = getSupportFragmentManager();
mPhotoFolderFragment = new AlbumFragment();
mPhotoPickerFragment = new PhotoPickerFragment();
mPhotoPickerFragment.setOnPhotoSelectClickListener(this);
mContentResolver = getContentResolver();
mListImageInfo.clear();
mAlbumName = getIntent().getStringExtra("albumName");
new ImageLoadAsyncTask().execute();
}