| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.gallery3d.widget; |
| |
| import com.android.gallery3d.R; |
| import com.android.gallery3d.app.Gallery; |
| |
| import android.app.Activity; |
| import android.content.Intent; |
| import android.content.res.AssetFileDescriptor; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.util.Log; |
| import android.widget.Toast; |
| |
| public class WidgetClickHandler extends Activity { |
| private static final String TAG = "PhotoAppWidgetClickHandler"; |
| |
| private boolean isValidDataUri(Uri dataUri) { |
| if (dataUri == null) return false; |
| try { |
| AssetFileDescriptor f = getContentResolver() |
| .openAssetFileDescriptor(dataUri, "r"); |
| f.close(); |
| return true; |
| } catch (Throwable e) { |
| Log.w(TAG, "cannot open uri: " + dataUri, e); |
| return false; |
| } |
| } |
| |
| @Override |
| protected void onCreate(Bundle savedState) { |
| super.onCreate(savedState); |
| Intent intent = getIntent(); |
| if (isValidDataUri(intent.getData())) { |
| startActivity(new Intent(Intent.ACTION_VIEW, intent.getData())); |
| } else { |
| Toast.makeText(this, |
| R.string.no_such_item, Toast.LENGTH_LONG).show(); |
| startActivity(new Intent(this, Gallery.class)); |
| } |
| finish(); |
| } |
| } |