| /* |
| * Copyright (C) 2008 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.launcher; |
| |
| import android.app.Activity; |
| import android.app.IWallpaperService; |
| import android.content.res.Resources; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.Drawable; |
| import android.os.Bundle; |
| import android.os.ParcelFileDescriptor; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.view.View.OnClickListener; |
| import android.widget.AdapterView; |
| import android.widget.BaseAdapter; |
| import android.widget.Button; |
| import android.widget.Gallery; |
| import android.widget.ImageView; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.FileOutputStream; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| |
| public class WallpaperChooser extends Activity implements AdapterView.OnItemSelectedListener, |
| OnClickListener { |
| |
| private static final Integer[] THUMB_IDS = { |
| R.drawable.wallpaper_lake_small, |
| R.drawable.wallpaper_sunset_small, |
| R.drawable.wallpaper_beach_small, |
| R.drawable.wallpaper_snow_leopard_small, |
| R.drawable.wallpaper_path_small, |
| R.drawable.wallpaper_sunrise_small, |
| R.drawable.wallpaper_mountain_small, |
| R.drawable.wallpaper_road_small, |
| R.drawable.wallpaper_jellyfish_small, |
| R.drawable.wallpaper_zanzibar_small, |
| R.drawable.wallpaper_blue_small, |
| R.drawable.wallpaper_grey_small, |
| R.drawable.wallpaper_green_small, |
| R.drawable.wallpaper_pink_small, |
| }; |
| |
| private static final Integer[] IMAGE_IDS = { |
| R.drawable.wallpaper_lake, |
| R.drawable.wallpaper_sunset, |
| R.drawable.wallpaper_beach, |
| R.drawable.wallpaper_snow_leopard, |
| R.drawable.wallpaper_path, |
| R.drawable.wallpaper_sunrise, |
| R.drawable.wallpaper_mountain, |
| R.drawable.wallpaper_road, |
| R.drawable.wallpaper_jellyfish, |
| R.drawable.wallpaper_zanzibar, |
| R.drawable.wallpaper_blue, |
| R.drawable.wallpaper_grey, |
| R.drawable.wallpaper_green, |
| R.drawable.wallpaper_pink, |
| }; |
| |
| private Gallery mGallery; |
| private ImageView mImageView; |
| private boolean mIsWallpaperSet; |
| |
| private BitmapFactory.Options mOptions; |
| private Bitmap mBitmap; |
| |
| private ArrayList<Integer> mThumbs; |
| private ArrayList<Integer> mImages; |
| private ArrayList<String> mNames; |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| requestWindowFeature(Window.FEATURE_NO_TITLE); |
| |
| findWallpapers(); |
| |
| setContentView(R.layout.wallpaper_chooser); |
| |
| mOptions = new BitmapFactory.Options(); |
| mOptions.inDither = false; |
| mOptions.inPreferredConfig = Bitmap.Config.ARGB_8888; |
| |
| mGallery = (Gallery) findViewById(R.id.gallery); |
| mGallery.setAdapter(new ImageAdapter(this)); |
| mGallery.setOnItemSelectedListener(this); |
| mGallery.setCallbackDuringFling(false); |
| |
| Button b = (Button) findViewById(R.id.set); |
| b.setOnClickListener(this); |
| |
| mImageView = (ImageView) findViewById(R.id.wallpaper); |
| } |
| |
| private void findWallpapers() { |
| mThumbs = new ArrayList<Integer>(THUMB_IDS.length + 4); |
| Collections.addAll(mThumbs, THUMB_IDS); |
| |
| mImages = new ArrayList<Integer>(IMAGE_IDS.length + 4); |
| Collections.addAll(mImages, IMAGE_IDS); |
| |
| final Resources resources = getResources(); |
| |
| mNames = new ArrayList<String>(IMAGE_IDS.length + 4); |
| for (int res: mImages) { |
| mNames.add("res:" + resources.getResourceName(res)); |
| } |
| |
| final String[] extras = resources.getStringArray(R.array.extra_wallpapers); |
| final String packageName = getApplication().getPackageName(); |
| |
| for (String extra : extras) { |
| int res = resources.getIdentifier(extra, "drawable", packageName); |
| if (res != 0) { |
| final int thumbRes = resources.getIdentifier(extra + "_small", |
| "drawable", packageName); |
| |
| if (thumbRes != 0) { |
| mThumbs.add(thumbRes); |
| mImages.add(res); |
| mNames.add("res:" + extra); |
| } |
| } |
| } |
| } |
| |
| @Override |
| protected void onResume() { |
| super.onResume(); |
| mIsWallpaperSet = false; |
| } |
| |
| public void onItemSelected(AdapterView parent, View v, int position, long id) { |
| final ImageView view = mImageView; |
| Bitmap b = BitmapFactory.decodeResource(getResources(), mImages.get(position), mOptions); |
| view.setImageBitmap(b); |
| |
| // Help the GC |
| if (mBitmap != null) { |
| mBitmap.recycle(); |
| } |
| mBitmap = b; |
| |
| final Drawable drawable = view.getDrawable(); |
| drawable.setFilterBitmap(true); |
| drawable.setDither(true); |
| } |
| |
| /* |
| * When using touch if you tap an image it triggers both the onItemClick and |
| * the onTouchEvent causing the wallpaper to be set twice. Ensure we only |
| * set the wallpaper once. |
| */ |
| private void selectWallpaper(int position) { |
| if (mIsWallpaperSet) { |
| return; |
| } |
| |
| mIsWallpaperSet = true; |
| try { |
| InputStream stream = getResources().openRawResource(mImages.get(position)); |
| setWallpaper(stream, mNames.get(position)); |
| setResult(RESULT_OK); |
| finish(); |
| } catch (IOException e) { |
| Log.e(Launcher.LOG_TAG, "Failed to set wallpaper: " + e); |
| } |
| } |
| |
| public void onNothingSelected(AdapterView parent) { |
| } |
| |
| private class ImageAdapter extends BaseAdapter { |
| private LayoutInflater mLayoutInflater; |
| |
| ImageAdapter(WallpaperChooser context) { |
| mLayoutInflater = context.getLayoutInflater(); |
| } |
| |
| public int getCount() { |
| return mThumbs.size(); |
| } |
| |
| public Object getItem(int position) { |
| return position; |
| } |
| |
| public long getItemId(int position) { |
| return position; |
| } |
| |
| public View getView(int position, View convertView, ViewGroup parent) { |
| ImageView image; |
| |
| if (convertView == null) { |
| image = (ImageView) mLayoutInflater.inflate(R.layout.wallpaper_item, parent, false); |
| } else { |
| image = (ImageView) convertView; |
| } |
| |
| image.setImageResource(mThumbs.get(position)); |
| image.getDrawable().setDither(true); |
| return image; |
| } |
| } |
| |
| public void onClick(View v) { |
| selectWallpaper(mGallery.getSelectedItemPosition()); |
| } |
| |
| private void setWallpaper(InputStream data, String name) throws IOException { |
| try { |
| IWallpaperService svc = IWallpaperService.Stub.asInterface( |
| ServiceManager.getService(WALLPAPER_SERVICE)); |
| ParcelFileDescriptor fd = svc.setWallpaper(name); |
| if (fd == null) { |
| return; |
| } |
| FileOutputStream fos = null; |
| try { |
| fos = new ParcelFileDescriptor.AutoCloseOutputStream(fd); |
| setWallpaper(data, fos); |
| } finally { |
| if (fos != null) { |
| fos.close(); |
| } |
| } |
| } catch (RemoteException e) { |
| } |
| } |
| |
| private void setWallpaper(InputStream data, FileOutputStream fos) |
| throws IOException { |
| byte[] buffer = new byte[32768]; |
| int amt; |
| while ((amt=data.read(buffer)) > 0) { |
| fos.write(buffer, 0, amt); |
| } |
| } |
| } |