Initial Contribution
diff --git a/src/com/android/launcher/WallpaperChooser.java b/src/com/android/launcher/WallpaperChooser.java
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+++ b/src/com/android/launcher/WallpaperChooser.java
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+/*
+ * 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.os.Bundle;
+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 android.graphics.BitmapFactory;
+import android.graphics.Bitmap;
+import android.graphics.drawable.Drawable;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+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_ripples_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,
+ R.drawable.wallpaper_dale_chihuly_small,
+ R.drawable.wallpaper_john_maeda_small,
+ R.drawable.wallpaper_marc_ecko_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_ripples,
+ 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,
+ R.drawable.wallpaper_dale_chihuly,
+ R.drawable.wallpaper_john_maeda,
+ R.drawable.wallpaper_marc_ecko,
+ };
+
+ private Gallery mGallery;
+ private ImageView mImageView;
+ private boolean mIsWallpaperSet;
+
+ private BitmapFactory.Options mOptions;
+ private Bitmap mBitmap;
+
+ @Override
+ public void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+ requestWindowFeature(Window.FEATURE_NO_TITLE);
+
+ 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);
+
+ Button b = (Button) findViewById(R.id.set);
+ b.setOnClickListener(this);
+
+ mImageView = (ImageView) findViewById(R.id.wallpaper);
+ }
+
+ @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(), IMAGE_IDS[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(IMAGE_IDS[position]);
+ setWallpaper(stream);
+ 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 THUMB_IDS.length;
+ }
+
+ 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(THUMB_IDS[position]);
+ image.getDrawable().setDither(true);
+ return image;
+ }
+ }
+
+ public void onClick(View v) {
+ selectWallpaper(mGallery.getSelectedItemPosition());
+ }
+}