| /* |
| * Copyright (C) 2006 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.example.android.home; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.os.Bundle; |
| import android.util.Log; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.widget.AdapterView; |
| import android.widget.BaseAdapter; |
| import android.widget.Gallery; |
| import android.widget.ImageView; |
| import android.widget.Gallery.LayoutParams; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| /** |
| * Wallpaper picker for the Home application. User can choose from |
| * a gallery of stock photos. |
| */ |
| public class Wallpaper extends Activity implements |
| AdapterView.OnItemSelectedListener, AdapterView.OnItemClickListener { |
| |
| private static final String LOG_TAG = "Home"; |
| |
| private static final Integer[] THUMB_IDS = { |
| R.drawable.bg_android_icon, |
| R.drawable.bg_sunrise_icon, |
| R.drawable.bg_sunset_icon, |
| }; |
| |
| private static final Integer[] IMAGE_IDS = { |
| R.drawable.bg_android, |
| R.drawable.bg_sunrise, |
| R.drawable.bg_sunset, |
| }; |
| |
| private Gallery mGallery; |
| private boolean mIsWallpaperSet; |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| requestWindowFeature(Window.FEATURE_NO_TITLE); |
| |
| setContentView(R.layout.wallpaper); |
| |
| mGallery = (Gallery) findViewById(R.id.gallery); |
| mGallery.setAdapter(new ImageAdapter(this)); |
| mGallery.setOnItemSelectedListener(this); |
| mGallery.setOnItemClickListener(this); |
| } |
| |
| @Override |
| protected void onResume() { |
| super.onResume(); |
| mIsWallpaperSet = false; |
| } |
| |
| public void onItemSelected(AdapterView parent, View v, int position, long id) { |
| getWindow().setBackgroundDrawableResource(IMAGE_IDS[position]); |
| } |
| |
| public void onItemClick(AdapterView parent, View v, int position, long id) { |
| selectWallpaper(position); |
| } |
| |
| /* |
| * When using touch if you tap an image it triggers both the onItemClick and |
| * the onTouchEvent causing the wallpaper to be set twice. Synchronize this |
| * method and ensure we only set the wallpaper once. |
| */ |
| private synchronized void selectWallpaper(int position) { |
| if (mIsWallpaperSet) { |
| return; |
| } |
| mIsWallpaperSet = true; |
| try { |
| InputStream stream = getResources().openRawResource(IMAGE_IDS[position]); |
| setWallpaper(stream); |
| setResult(RESULT_OK); |
| finish(); |
| } catch (IOException e) { |
| Log.e(LOG_TAG, "Failed to set wallpaper " + e); |
| } |
| } |
| |
| public void onNothingSelected(AdapterView parent) { |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent event) { |
| selectWallpaper(mGallery.getSelectedItemPosition()); |
| return true; |
| } |
| |
| public class ImageAdapter extends BaseAdapter { |
| |
| private Context mContext; |
| |
| public ImageAdapter(Context c) { |
| mContext = c; |
| } |
| |
| public int getCount() { |
| return THUMB_IDS.length; |
| } |
| |
| public Object getItem(int position) { |
| return position; |
| } |
| |
| public long getItemId(int position) { |
| return position; |
| } |
| |
| public View getView(final int position, View convertView, ViewGroup parent) { |
| ImageView i = new ImageView(mContext); |
| |
| i.setImageResource(THUMB_IDS[position]); |
| i.setAdjustViewBounds(true); |
| i.setLayoutParams(new Gallery.LayoutParams( |
| LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); |
| i.setBackgroundResource(android.R.drawable.picture_frame); |
| return i; |
| } |
| |
| } |
| |
| } |
| |
| |