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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.content.pm.PackageManager;
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.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
public class PackageBrowser extends ListActivity {
static class MyPackageInfo {
PackageInfo info;
String label;
}
private PackageListAdapter mAdapter;
private List<MyPackageInfo> mPackageInfoList = new ArrayList<MyPackageInfo>();
private Handler mHandler;
private BroadcastReceiver mRegisteredReceiver;
public class PackageListAdapter extends ArrayAdapter<MyPackageInfo> {
public PackageListAdapter(Context context) {
super(context, R.layout.package_list_item);
List<PackageInfo> pkgs = context.getPackageManager().getInstalledPackages(0);
for (int i=0; i<pkgs.size(); i++) {
MyPackageInfo info = new MyPackageInfo();
info.info = pkgs.get(i);
info.label = info.info.applicationInfo.loadLabel(getPackageManager()).toString();
mPackageInfoList.add(info);
}
if (mPackageInfoList != null) {
Collections.sort(mPackageInfoList, sDisplayNameComparator);
}
setSource(mPackageInfoList);
}
@Override
public void bindView(View view, MyPackageInfo info) {
ImageView icon = (ImageView)view.findViewById(R.id.icon);
TextView name = (TextView)view.findViewById(R.id.name);
TextView description = (TextView)view.findViewById(R.id.description);
icon.setImageDrawable(info.info.applicationInfo.loadIcon(getPackageManager()));
name.setText(info.label);
description.setText(info.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<MyPackageInfo> sDisplayNameComparator
= new Comparator<MyPackageInfo>() {
public final int
compare(MyPackageInfo a, MyPackageInfo b) {
return collator.compare(a.label, b.label);
}
private final Collator collator = Collator.getInstance();
};
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
setupAdapter();
mHandler= new Handler();
registerIntentReceivers();
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mRegisteredReceiver != null) {
unregisterReceiver(mRegisteredReceiver);
}
}
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 MyPackageInfo packageInfo = mAdapter.itemForPosition(curSelection);
if (packageInfo != null) {
getPackageManager().deletePackage(packageInfo.info.packageName,
new IPackageDeleteObserver.Stub() {
public void packageDeleted(String packageName, int returnCode)
throws RemoteException {
if (returnCode == PackageManager.DELETE_SUCCEEDED) {
mPackageInfoList.remove(curSelection);
mHandler.post(new Runnable() {
public void run() {
mAdapter.notifyDataSetChanged();
}
});
// todo: verification dialog for data directory
final String dataPath = packageInfo.info.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");
mRegisteredReceiver = new ApplicationsIntentReceiver();
registerReceiver(mRegisteredReceiver, filter);
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
MyPackageInfo info =
mAdapter.itemForPosition(position);
if (info != null) {
Intent intent = new Intent(
null, Uri.fromParts("package", info.info.packageName, null));
intent.setClass(this, PackageSummary.class);
startActivity(intent);
}
}
}
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