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authorAdam Lesinski <adamlesinski@google.com>2010-11-24 17:28:17 -0800
committerAdam Lesinski <adamlesinski@google.com>2010-11-24 17:38:19 -0800
commit17b2c070a685d3ca4eedb33045dc9af0a5a654f6 (patch)
tree0d34c09ce08a4a1544e0e2165083ebeaa093a109 /src
parent4df6a4ddc640d5ba8a480601f1e9261501f33289 (diff)
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Changed the process of enumerating live wallpapers
Made the wallpaper enumeration process an AsyncTask Change-Id: I670e7d78ecb1eeb1f4c9b18ac3f487de931ff4f0
Diffstat (limited to 'src')
-rw-r--r--src/com/android/wallpaper/livepicker/LiveWallpaperListActivity.java194
-rw-r--r--src/com/android/wallpaper/livepicker/LiveWallpaperListAdapter.java222
2 files changed, 229 insertions, 187 deletions
diff --git a/src/com/android/wallpaper/livepicker/LiveWallpaperListActivity.java b/src/com/android/wallpaper/livepicker/LiveWallpaperListActivity.java
index 8b0ad89..ecfbdea 100644
--- a/src/com/android/wallpaper/livepicker/LiveWallpaperListActivity.java
+++ b/src/com/android/wallpaper/livepicker/LiveWallpaperListActivity.java
@@ -19,151 +19,24 @@ package com.android.wallpaper.livepicker;
import android.app.ListActivity;
import android.app.WallpaperInfo;
import android.os.Bundle;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.content.pm.ComponentInfo;
import android.content.Intent;
-import android.content.res.Resources;
-import android.graphics.drawable.Drawable;
-import android.graphics.drawable.BitmapDrawable;
-import android.graphics.Paint;
-import android.graphics.Canvas;
-import android.graphics.Bitmap;
-import android.util.Log;
-import android.view.Gravity;
import android.view.View;
-import android.view.ViewGroup;
-import android.view.LayoutInflater;
-import android.service.wallpaper.WallpaperService;
-import android.widget.BaseAdapter;
-import android.widget.TextView;
-import android.widget.ImageView;
import android.widget.AdapterView;
-import android.text.Html;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Collections;
-import java.util.Comparator;
-import java.io.IOException;
-import java.text.Collator;
-
-import org.xmlpull.v1.XmlPullParserException;
-
-public class LiveWallpaperListActivity extends ListActivity implements AdapterView.OnItemClickListener {
+public class LiveWallpaperListActivity extends ListActivity implements
+ AdapterView.OnItemClickListener {
private static final String LOG_TAG = "LiveWallpapersPicker";
-
private static final int REQUEST_PREVIEW = 100;
- private PackageManager mPackageManager;
-
- private ArrayList<Drawable> mThumbnails;
- private ArrayList<WallpaperInfo> mWallpaperInfos;
- private ArrayList<Intent> mWallpaperIntents;
-
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.live_wallpaper_list);
- mPackageManager = getPackageManager();
-
- findLiveWallpapers();
-
- setListAdapter(new LiveWallpapersAdapter());
+ setListAdapter(new LiveWallpaperListAdapter(this));
getListView().setOnItemClickListener(this);
}
- // TODO: THIS SHOULD HAPPEN IN AN ASYNCTASK
- private void findLiveWallpapers() {
- List<ResolveInfo> list = mPackageManager.queryIntentServices(
- new Intent(WallpaperService.SERVICE_INTERFACE),
- PackageManager.GET_META_DATA);
-
- int listSize = list.size();
-
- mThumbnails = new ArrayList<Drawable>(listSize);
- mWallpaperIntents = new ArrayList<Intent>(listSize);
- mWallpaperInfos = new ArrayList<WallpaperInfo>(listSize);
-
- Resources res = getResources();
- Drawable galleryIcon = res.getDrawable(R.drawable.livewallpaper_placeholder);
-
- Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG);
- paint.setTextAlign(Paint.Align.CENTER);
-
- Canvas canvas = new Canvas();
-
- Collections.sort(list, new Comparator<ResolveInfo>() {
- final Collator mCollator;
-
- {
- mCollator = Collator.getInstance();
- }
-
- public int compare(ResolveInfo info1, ResolveInfo info2) {
- return mCollator.compare(info1.loadLabel(mPackageManager),
- info2.loadLabel(mPackageManager));
- }
- });
-
- for (int i = 0; i < listSize; i++) {
- ResolveInfo resolveInfo = list.get(i);
- ComponentInfo ci = resolveInfo.serviceInfo;
- WallpaperInfo info;
- try {
- info = new WallpaperInfo(this, resolveInfo);
- } catch (XmlPullParserException e) {
- Log.w(LOG_TAG, "Skipping wallpaper " + ci, e);
- continue;
- } catch (IOException e) {
- Log.w(LOG_TAG, "Skipping wallpaper " + ci, e);
- continue;
- }
-
- String packageName = info.getPackageName();
- String className = info.getServiceName();
-
- Intent intent = new Intent(WallpaperService.SERVICE_INTERFACE);
- intent.setClassName(packageName, className);
-
- mWallpaperIntents.add(intent);
- mWallpaperInfos.add(info);
-
- Drawable thumb = info.loadThumbnail(mPackageManager);
- if (thumb == null) {
- int thumbWidth = res.getDimensionPixelSize(R.dimen.live_wallpaper_thumbnail_width);
- int thumbHeight = res.getDimensionPixelSize(R.dimen.live_wallpaper_thumbnail_height);
-
- Bitmap thumbnail = Bitmap.createBitmap(thumbWidth, thumbHeight,
- Bitmap.Config.ARGB_8888);
-
- paint.setColor(res.getColor(R.color.live_wallpaper_thumbnail_background));
- canvas.setBitmap(thumbnail);
- canvas.drawPaint(paint);
-
- galleryIcon.setBounds(0, 0, thumbWidth, thumbHeight);
- ((BitmapDrawable) galleryIcon).setGravity(Gravity.CENTER);
- galleryIcon.draw(canvas);
-
- String title = info.loadLabel(mPackageManager).toString();
-
- paint.setColor(res.getColor(R.color.live_wallpaper_thumbnail_text_color));
- paint.setTextSize(
- res.getDimensionPixelSize(R.dimen.live_wallpaper_thumbnail_text_size));
-
- canvas.drawText(title, (int) (thumbWidth * 0.5),
- thumbHeight - res.getDimensionPixelSize(
- R.dimen.live_wallpaper_thumbnail_text_offset), paint);
-
- thumb = new BitmapDrawable(res, thumbnail);
- }
-
- thumb.setDither(true);
- mThumbnails.add(thumb);
- }
- }
-
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
@@ -174,63 +47,10 @@ public class LiveWallpaperListActivity extends ListActivity implements AdapterVi
}
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
- final Intent intent = mWallpaperIntents.get(position);
- final WallpaperInfo info = mWallpaperInfos.get(position);
+ LiveWallpaperListAdapter.LiveWallpaperInfo wallpaperInfo =
+ (LiveWallpaperListAdapter.LiveWallpaperInfo) getListAdapter().getItem(position);
+ final Intent intent = wallpaperInfo.intent;
+ final WallpaperInfo info = wallpaperInfo.info;
LiveWallpaperPreview.showPreview(this, REQUEST_PREVIEW, intent, info);
}
-
- static class ViewHolder {
- TextView titleAuthor;
- TextView description;
- ImageView thumbnail;
- }
-
- private class LiveWallpapersAdapter extends BaseAdapter {
- private final LayoutInflater mInflater;
-
- LiveWallpapersAdapter() {
- mInflater = LayoutInflater.from(LiveWallpaperListActivity.this);
- }
-
- public int getCount() {
- return mWallpaperInfos.size();
- }
-
- public Object getItem(int position) {
- return mWallpaperInfos.get(position);
- }
-
- public long getItemId(int position) {
- return position;
- }
-
- public View getView(int position, View convertView, ViewGroup parent) {
- ViewHolder holder;
- if (convertView == null) {
- convertView = mInflater.inflate(R.layout.live_wallpaper_entry, parent, false);
-
- holder = new ViewHolder();
- holder.titleAuthor = (TextView) convertView.findViewById(R.id.title_author);
- holder.description = (TextView) convertView.findViewById(R.id.description);
- holder.thumbnail = (ImageView) convertView.findViewById(R.id.thumbnail);
- convertView.setTag(holder);
- } else {
- holder = (ViewHolder) convertView.getTag();
- }
-
- WallpaperInfo info = mWallpaperInfos.get(position);
- holder.thumbnail.setImageDrawable(mThumbnails.get(position));
- // author not currently used
- holder.titleAuthor.setText(info.loadLabel(mPackageManager));
- try {
- holder.description.setVisibility(View.VISIBLE);
- holder.description.setText(Html.fromHtml(
- info.loadDescription(mPackageManager).toString()));
- } catch (Resources.NotFoundException e) {
- holder.description.setVisibility(View.GONE);
- }
-
- return convertView;
- }
- }
}
diff --git a/src/com/android/wallpaper/livepicker/LiveWallpaperListAdapter.java b/src/com/android/wallpaper/livepicker/LiveWallpaperListAdapter.java
new file mode 100644
index 0000000..87e0384
--- /dev/null
+++ b/src/com/android/wallpaper/livepicker/LiveWallpaperListAdapter.java
@@ -0,0 +1,222 @@
+/*
+ * Copyright (C) 2010 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.wallpaper.livepicker;
+
+import android.app.WallpaperInfo;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.os.AsyncTask;
+import android.service.wallpaper.WallpaperService;
+import android.text.Html;
+import android.util.Log;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+import android.widget.ListAdapter;
+import android.widget.TextView;
+
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+import java.text.Collator;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+public class LiveWallpaperListAdapter extends BaseAdapter implements ListAdapter {
+ private static final String LOG_TAG = "LiveWallpaperListAdapter";
+
+ private final LayoutInflater mInflater;
+ private final PackageManager mPackageManager;
+
+ private List<LiveWallpaperInfo> mWallpapers = new ArrayList<LiveWallpaperInfo>();
+
+ public LiveWallpaperListAdapter(Context context) {
+ mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+ mPackageManager = context.getPackageManager();
+
+ new LiveWallpaperEnumerator(context).execute();
+ }
+
+ public int getCount() {
+ if (mWallpapers == null) {
+ return 0;
+ }
+ return mWallpapers.size();
+ }
+
+ public Object getItem(int position) {
+ return mWallpapers.get(position);
+ }
+
+ public long getItemId(int position) {
+ return position;
+ }
+
+ public View getView(int position, View convertView, ViewGroup parent) {
+ ViewHolder holder;
+ if (convertView == null) {
+ convertView = mInflater.inflate(R.layout.live_wallpaper_entry, parent, false);
+
+ holder = new ViewHolder();
+ holder.title = (TextView) convertView.findViewById(R.id.title_author);
+ holder.description = (TextView) convertView.findViewById(R.id.description);
+ holder.thumbnail = (ImageView) convertView.findViewById(R.id.thumbnail);
+ convertView.setTag(holder);
+ } else {
+ holder = (ViewHolder) convertView.getTag();
+ }
+
+ LiveWallpaperInfo wallpaperInfo = mWallpapers.get(position);
+ holder.thumbnail.setImageDrawable(wallpaperInfo.thumbnail);
+ holder.title.setText(wallpaperInfo.info.loadLabel(mPackageManager));
+ try {
+ holder.description.setVisibility(View.VISIBLE);
+ holder.description.setText(Html.fromHtml(
+ wallpaperInfo.info.loadDescription(mPackageManager).toString()));
+ } catch (Resources.NotFoundException e) {
+ holder.description.setVisibility(View.GONE);
+ }
+ return convertView;
+ }
+
+ public class LiveWallpaperInfo {
+ public Drawable thumbnail;
+ public WallpaperInfo info;
+ public Intent intent;
+ }
+
+ private class ViewHolder {
+ TextView title;
+ TextView description;
+ ImageView thumbnail;
+ }
+
+ private class LiveWallpaperEnumerator extends AsyncTask<Void, LiveWallpaperInfo, Void> {
+ private Context mContext;
+
+ public LiveWallpaperEnumerator(Context context) {
+ super();
+ mContext = context;
+ }
+
+ @Override
+ protected Void doInBackground(Void... params) {
+ final PackageManager packageManager = mContext.getPackageManager();
+
+ List<ResolveInfo> list = packageManager.queryIntentServices(
+ new Intent(WallpaperService.SERVICE_INTERFACE),
+ PackageManager.GET_META_DATA);
+
+ final Resources res = mContext.getResources();
+ BitmapDrawable galleryIcon = (BitmapDrawable) res.getDrawable(
+ R.drawable.livewallpaper_placeholder);
+ Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG);
+ paint.setTextAlign(Paint.Align.CENTER);
+ Canvas canvas = new Canvas();
+
+ Collections.sort(list, new Comparator<ResolveInfo>() {
+ final Collator mCollator;
+
+ {
+ mCollator = Collator.getInstance();
+ }
+
+ public int compare(ResolveInfo info1, ResolveInfo info2) {
+ return mCollator.compare(info1.loadLabel(packageManager),
+ info2.loadLabel(packageManager));
+ }
+ });
+
+ for (ResolveInfo resolveInfo : list) {
+ WallpaperInfo info = null;
+ try {
+ info = new WallpaperInfo(mContext, resolveInfo);
+ } catch (XmlPullParserException e) {
+ Log.w(LOG_TAG, "Skipping wallpaper " + resolveInfo.serviceInfo, e);
+ continue;
+ } catch (IOException e) {
+ Log.w(LOG_TAG, "Skipping wallpaper " + resolveInfo.serviceInfo, e);
+ continue;
+ }
+
+ LiveWallpaperInfo wallpaper = new LiveWallpaperInfo();
+ wallpaper.intent = new Intent(WallpaperService.SERVICE_INTERFACE);
+ wallpaper.intent.setClassName(info.getPackageName(), info.getServiceName());
+ wallpaper.info = info;
+
+ Drawable thumb = info.loadThumbnail(packageManager);
+ if (thumb == null) {
+ int thumbWidth = res.getDimensionPixelSize(
+ R.dimen.live_wallpaper_thumbnail_width);
+ int thumbHeight = res.getDimensionPixelSize(
+ R.dimen.live_wallpaper_thumbnail_height);
+
+ Bitmap thumbnail = Bitmap.createBitmap(thumbWidth, thumbHeight,
+ Bitmap.Config.ARGB_8888);
+
+ paint.setColor(res.getColor(R.color.live_wallpaper_thumbnail_background));
+ canvas.setBitmap(thumbnail);
+ canvas.drawPaint(paint);
+
+ galleryIcon.setBounds(0, 0, thumbWidth, thumbHeight);
+ galleryIcon.setGravity(Gravity.CENTER);
+ galleryIcon.draw(canvas);
+
+ String title = info.loadLabel(packageManager).toString();
+
+ paint.setColor(res.getColor(R.color.live_wallpaper_thumbnail_text_color));
+ paint.setTextSize(
+ res.getDimensionPixelSize(R.dimen.live_wallpaper_thumbnail_text_size));
+
+ canvas.drawText(title, (int) (thumbWidth * 0.5),
+ thumbHeight - res.getDimensionPixelSize(
+ R.dimen.live_wallpaper_thumbnail_text_offset), paint);
+
+ thumb = new BitmapDrawable(res, thumbnail);
+ }
+
+ thumb.setDither(true);
+ wallpaper.thumbnail = thumb;
+
+ publishProgress(wallpaper);
+ }
+
+ return null;
+ }
+
+ @Override
+ protected void onProgressUpdate(LiveWallpaperInfo...infos) {
+ for (LiveWallpaperInfo info : infos) {
+ mWallpapers.add(info);
+ LiveWallpaperListAdapter.this.notifyDataSetChanged();
+ }
+ }
+ }
+}