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/*
* 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.settings;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import android.app.Activity;
import android.app.ListFragment;
import android.app.admin.DeviceAdminInfo;
import android.app.admin.DeviceAdminReceiver;
import android.app.admin.DevicePolicyManager;
import android.content.ComponentName;
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.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
public class DeviceAdminSettings extends ListFragment {
static final String TAG = "DeviceAdminSettings";
static final int DIALOG_WARNING = 1;
DevicePolicyManager mDPM;
final HashSet<ComponentName> mActiveAdmins = new HashSet<ComponentName>();
final ArrayList<DeviceAdminInfo> mAvailableAdmins = new ArrayList<DeviceAdminInfo>();
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mDPM = (DevicePolicyManager) getActivity().getSystemService(Context.DEVICE_POLICY_SERVICE);
return inflater.inflate(R.layout.device_admin_settings, container, false);
}
@Override
public void onResume() {
super.onResume();
updateList();
}
void updateList() {
mActiveAdmins.clear();
List<ComponentName> cur = mDPM.getActiveAdmins();
if (cur != null) {
for (int i=0; i<cur.size(); i++) {
mActiveAdmins.add(cur.get(i));
}
}
mAvailableAdmins.clear();
List<ResolveInfo> avail = getActivity().getPackageManager().queryBroadcastReceivers(
new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED),
PackageManager.GET_META_DATA);
int count = avail == null ? 0 : avail.size();
for (int i=0; i<count; i++) {
ResolveInfo ri = avail.get(i);
try {
DeviceAdminInfo dpi = new DeviceAdminInfo(getActivity(), ri);
if (dpi.isVisible() || mActiveAdmins.contains(dpi.getComponent())) {
mAvailableAdmins.add(dpi);
}
} catch (XmlPullParserException e) {
Log.w(TAG, "Skipping " + ri.activityInfo, e);
} catch (IOException e) {
Log.w(TAG, "Skipping " + ri.activityInfo, e);
}
}
getListView().setAdapter(new PolicyListAdapter());
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
DeviceAdminInfo dpi = (DeviceAdminInfo)l.getAdapter().getItem(position);
Intent intent = new Intent();
intent.setClass(getActivity(), DeviceAdminAdd.class);
intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, dpi.getComponent());
startActivity(intent);
}
static class ViewHolder {
ImageView icon;
TextView name;
CheckBox checkbox;
TextView description;
}
class PolicyListAdapter extends BaseAdapter {
final LayoutInflater mInflater;
PolicyListAdapter() {
mInflater = (LayoutInflater)
getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
public boolean hasStableIds() {
return true;
}
public int getCount() {
return mAvailableAdmins.size();
}
public Object getItem(int position) {
return mAvailableAdmins.get(position);
}
public long getItemId(int position) {
return position;
}
public boolean areAllItemsEnabled() {
return false;
}
public boolean isEnabled(int position) {
return true;
}
public View getView(int position, View convertView, ViewGroup parent) {
View v;
if (convertView == null) {
v = newView(parent);
} else {
v = convertView;
}
bindView(v, position);
return v;
}
public View newView(ViewGroup parent) {
View v = mInflater.inflate(R.layout.device_admin_item, parent, false);
ViewHolder h = new ViewHolder();
h.icon = (ImageView)v.findViewById(R.id.icon);
h.name = (TextView)v.findViewById(R.id.name);
h.checkbox = (CheckBox)v.findViewById(R.id.checkbox);
h.description = (TextView)v.findViewById(R.id.description);
v.setTag(h);
return v;
}
public void bindView(View view, int position) {
final Activity activity = getActivity();
ViewHolder vh = (ViewHolder) view.getTag();
DeviceAdminInfo item = mAvailableAdmins.get(position);
vh.icon.setImageDrawable(item.loadIcon(activity.getPackageManager()));
vh.name.setText(item.loadLabel(activity.getPackageManager()));
vh.checkbox.setChecked(mActiveAdmins.contains(item.getComponent()));
try {
vh.description.setText(item.loadDescription(activity.getPackageManager()));
} catch (Resources.NotFoundException e) {
}
}
}
}