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The Android Open Source Project
2009-03-03 18:28:16 -08:00
parent d2f2b1d7b7
commit d4aee0c0ca
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apps/Development/src/com/android/development/PackageBrowser.java
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/*
* Copyright (C) 2007 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.development;
import android.app.AlertDialog;
import android.app.ListActivity;
import android.content.Context;
import android.content.pm.IPackageDeleteObserver;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.BroadcastReceiver;
import android.content.pm.PackageInfo;
import android.net.Uri;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.Handler;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListView;
import android.widget.TextView;
import java.text.Collator;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
public class PackageBrowser extends ListActivity
{
private PackageListAdapter mAdapter;
private List<PackageInfo> mPackageInfoList = null;
private Handler mHandler;
public class PackageListAdapter extends ArrayAdapter<PackageInfo>
{
public PackageListAdapter(Context context)
{
super(context, android.R.layout.simple_list_item_1);
mPackageInfoList = context.getPackageManager().getInstalledPackages(0);
if (mPackageInfoList != null) {
Collections.sort(mPackageInfoList, sDisplayNameComparator);
}
setSource(mPackageInfoList);
}
@Override
public void bindView(View view, PackageInfo info)
{
TextView text = (TextView)view.findViewById(android.R.id.text1);
text.setText(info.packageName);
}
}
/**
* Receives notifications when applications are added/removed.
*/
private class ApplicationsIntentReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// todo: this is a bit brute force. We should probably get the action and package name
// from the intent and just add to or delete from the mPackageInfoList
setupAdapter();
}
}
private final static Comparator sDisplayNameComparator = new Comparator() {
public final int
compare(Object a, Object b)
{
CharSequence sa = ((PackageInfo) a).packageName;
CharSequence sb = ((PackageInfo) b).packageName;
return collator.compare(sa, sb);
}
private final Collator collator = Collator.getInstance();
};
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
setupAdapter();
mHandler= new Handler();
registerIntentReceivers();
}
private void setupAdapter() {
mAdapter = new PackageListAdapter(this);
setListAdapter(mAdapter);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(0, 0, 0, "Delete package").setOnMenuItemClickListener(
new MenuItem.OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
deletePackage();
return true;
}
});
return true;
}
private void deletePackage() {
final int curSelection = getSelectedItemPosition();
if (curSelection >= 0) {
// todo: verification dialog for package deletion
final PackageInfo packageInfo = mAdapter.itemForPosition(curSelection);
if (packageInfo != null) {
getPackageManager().deletePackage(packageInfo.packageName,
new IPackageDeleteObserver.Stub() {
public void packageDeleted(boolean succeeded) throws RemoteException {
if (succeeded) {
mPackageInfoList.remove(curSelection);
mHandler.post(new Runnable() {
public void run() {
mAdapter.notifyDataSetChanged();
}
});
// todo: verification dialog for data directory
final String dataPath = packageInfo.applicationInfo.dataDir;
// todo: delete the data directory
} else {
mHandler.post(new Runnable() {
public void run() {
new AlertDialog.Builder(PackageBrowser.this)
.setTitle("Oops")
.setMessage("Could not delete package." +
" Maybe it is in /system/app rather than /data/app?")
.show();
}
});
}
}
},
0);
}
}
}
private void registerIntentReceivers() {
IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
filter.addDataScheme("package");
registerReceiver(new ApplicationsIntentReceiver(), filter);
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id)
{
PackageInfo info =
mAdapter.itemForPosition(position);
if (info != null) {
Intent intent = new Intent(
null, Uri.fromParts("package", info.packageName, null));
intent.setClass(this, PackageSummary.class);
startActivity(intent);
}
}
}