1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.dreams.phototable; 17 18 import android.content.SharedPreferences; 19 import android.app.ListActivity; 20 import android.os.AsyncTask; 21 import android.os.Bundle; 22 import android.view.View; 23 import android.widget.ListAdapter; 24 25 import java.util.LinkedList; 26 27 /** 28 * Settings panel for photo flipping dream. 29 */ 30 public class FlipperDreamSettings extends ListActivity { 31 private static final String TAG = "FlipperDreamSettings"; 32 public static final String PREFS_NAME = FlipperDream.TAG; 33 34 private PhotoSourcePlexor mPhotoSource; 35 private ListAdapter mAdapter; 36 private SharedPreferences mSettings; 37 38 @Override onCreate(Bundle savedInstanceState)39 protected void onCreate(Bundle savedInstanceState){ 40 super.onCreate(savedInstanceState); 41 42 mSettings = getSharedPreferences(PREFS_NAME, 0); 43 mPhotoSource = new PhotoSourcePlexor(this, mSettings); 44 setContentView(R.layout.settingslist); 45 46 new AsyncTask<Void, Void, Void>() { 47 @Override 48 public Void doInBackground(Void... unused) { 49 mAdapter = new SectionedAlbumDataAdapter(FlipperDreamSettings.this, 50 mSettings, 51 R.layout.header, 52 R.layout.album, 53 new LinkedList<PhotoSource.AlbumData>(mPhotoSource.findAlbums())); 54 return null; 55 } 56 57 @Override 58 public void onPostExecute(Void unused) { 59 setListAdapter(mAdapter); 60 if (mAdapter.getCount() == 0) { 61 findViewById(android.R.id.empty).setVisibility(View.GONE); 62 } 63 } 64 }.execute(); 65 } 66 } 67