1 /* 2 * Copyright (C) 2009 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 17 package com.android.wallpaper.livepicker; 18 19 import android.app.Activity; 20 import android.app.AlertDialog; 21 import android.app.Dialog; 22 import android.app.DialogFragment; 23 import android.app.Fragment; 24 import android.app.WallpaperInfo; 25 import android.os.Bundle; 26 import android.content.DialogInterface; 27 import android.content.Intent; 28 import android.util.Log; 29 import android.view.LayoutInflater; 30 import android.view.View; 31 import android.view.ViewGroup; 32 import android.widget.AdapterView; 33 import android.widget.BaseAdapter; 34 35 public class LiveWallpaperActivity extends Activity { 36 private static final String LOG_TAG = "LiveWallpapersPicker"; 37 private static final int REQUEST_PREVIEW = 100; 38 39 @Override onCreate(Bundle savedInstanceState)40 protected void onCreate(Bundle savedInstanceState) { 41 super.onCreate(savedInstanceState); 42 setContentView(R.layout.live_wallpaper_base); 43 44 Fragment fragmentView = getFragmentManager().findFragmentById(R.id.live_wallpaper_fragment); 45 if (fragmentView == null) { 46 /* When the screen is XLarge, the fragment is not included in the layout, so show it 47 * as a dialog 48 */ 49 DialogFragment fragment = WallpaperDialog.newInstance(); 50 fragment.show(getFragmentManager(), "dialog"); 51 } 52 } 53 54 @Override onActivityResult(int requestCode, int resultCode, Intent data)55 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 56 super.onActivityResult(requestCode, resultCode, data); 57 58 if (requestCode == REQUEST_PREVIEW) { 59 if (resultCode == RESULT_OK) finish(); 60 } 61 } 62 63 public static class WallpaperDialog extends DialogFragment implements 64 AdapterView.OnItemClickListener{ 65 private static final String EMBEDDED_KEY = "com.android.wallpaper.livepicker." 66 + "LiveWallpaperActivity$WallpaperDialog.EMBEDDED_KEY"; 67 private LiveWallpaperListAdapter mAdapter; 68 private boolean mEmbedded; 69 newInstance()70 public static WallpaperDialog newInstance() { 71 WallpaperDialog dialog = new WallpaperDialog(); 72 dialog.setCancelable(true); 73 return dialog; 74 } 75 76 @Override onCreate(Bundle savedInstanceState)77 public void onCreate(Bundle savedInstanceState) { 78 super.onCreate(savedInstanceState); 79 if (savedInstanceState != null && savedInstanceState.containsKey(EMBEDDED_KEY)) { 80 mEmbedded = savedInstanceState.getBoolean(EMBEDDED_KEY); 81 } else { 82 mEmbedded = isInLayout(); 83 } 84 } 85 86 @Override onSaveInstanceState(Bundle outState)87 public void onSaveInstanceState(Bundle outState) { 88 outState.putBoolean(EMBEDDED_KEY, mEmbedded); 89 } 90 91 @Override onDismiss(DialogInterface dialog)92 public void onDismiss(DialogInterface dialog) { 93 /* On orientation changes, the dialog is effectively "dismissed" so this is called 94 * when the activity is no longer associated with this dying dialog fragment. We 95 * should just safely ignore this case by checking if getActivity() returns null 96 */ 97 Activity activity = getActivity(); 98 if (activity != null) { 99 activity.finish(); 100 } 101 } 102 103 @Override onCreateDialog(Bundle savedInstanceState)104 public Dialog onCreateDialog(Bundle savedInstanceState) { 105 final int contentInset = getResources().getDimensionPixelSize( 106 R.dimen.dialog_content_inset); 107 View view = generateView(getActivity().getLayoutInflater(), null); 108 109 AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); 110 builder.setNegativeButton(R.string.wallpaper_cancel, null); 111 builder.setTitle(R.string.live_wallpaper_picker_title); 112 builder.setView(view, contentInset, contentInset, contentInset, contentInset); 113 return builder.create(); 114 } 115 116 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)117 public View onCreateView(LayoutInflater inflater, ViewGroup container, 118 Bundle savedInstanceState) { 119 /* If this fragment is embedded in the layout of this activity, then we should 120 * generate a view to display. Otherwise, a dialog will be created in 121 * onCreateDialog() 122 */ 123 if (mEmbedded) { 124 return generateView(inflater, container); 125 } 126 return null; 127 } 128 129 @SuppressWarnings("unchecked") generateView(LayoutInflater inflater, ViewGroup container)130 private View generateView(LayoutInflater inflater, ViewGroup container) { 131 View layout = inflater.inflate(R.layout.live_wallpaper_list, container, false); 132 133 mAdapter = new LiveWallpaperListAdapter(getActivity()); 134 AdapterView<BaseAdapter> adapterView = 135 (AdapterView<BaseAdapter>) layout.findViewById(android.R.id.list); 136 adapterView.setAdapter(mAdapter); 137 adapterView.setOnItemClickListener(this); 138 adapterView.setEmptyView(layout.findViewById(android.R.id.empty)); 139 return layout; 140 } 141 onItemClick(AdapterView<?> parent, View view, int position, long id)142 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 143 LiveWallpaperListAdapter.LiveWallpaperInfo wallpaperInfo = 144 (LiveWallpaperListAdapter.LiveWallpaperInfo) mAdapter.getItem(position); 145 final Intent intent = wallpaperInfo.intent; 146 final WallpaperInfo info = wallpaperInfo.info; 147 LiveWallpaperPreview.showPreview(getActivity(), REQUEST_PREVIEW, intent, info); 148 } 149 } 150 } 151