Initial UI for managing device policies.
More to come... what is here now is very ugly, and completely missing the confirmation screen for setting a device administrator.
This commit is contained in:
Dianne Hackborn
215
src/com/android/settings/DeviceAdminSettings.java
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215
src/com/android/settings/DeviceAdminSettings.java
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/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import org.xmlpull.v1.XmlPullParserException;
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import android.app.Activity;
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import android.app.DeviceAdmin;
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import android.app.DeviceAdminInfo;
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import android.app.DevicePolicyManager;
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import android.app.ListActivity;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.BaseAdapter;
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import android.widget.ImageView;
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import android.widget.ListView;
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import android.widget.TextView;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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public class DeviceAdminSettings extends ListActivity {
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static final String TAG = "DeviceAdminSettings";
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DevicePolicyManager mDPM;
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DeviceAdminInfo mCurrentAdmin;
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View mActiveLayout;
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ImageView mActiveIcon;
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TextView mActiveName;
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TextView mActiveDescription;
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View mSelectLayout;
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ArrayList<DeviceAdminInfo> mAvailablePolicies
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= new ArrayList<DeviceAdminInfo>();
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@Override
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protected void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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mDPM = (DevicePolicyManager)getSystemService(Context.DEVICE_POLICY_SERVICE);
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mCurrentAdmin = mDPM.getActiveAdminInfo();
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setContentView(R.layout.device_admin_settings);
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mActiveLayout = findViewById(R.id.active_layout);
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mActiveIcon = (ImageView)findViewById(R.id.active_icon);
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mActiveName = (TextView)findViewById(R.id.active_name);
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mActiveDescription = (TextView)findViewById(R.id.active_description);
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findViewById(R.id.remove_button).setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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if (mCurrentAdmin != null) {
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mDPM.removeActiveAdmin(mCurrentAdmin.getComponent());
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finish();
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}
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}
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});
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mSelectLayout = findViewById(R.id.select_layout);
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getListView().setDivider(null);
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updateLayout();
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if (DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN.equals(getIntent().getAction())) {
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ComponentName cn = (ComponentName)getIntent().getParcelableExtra(
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DevicePolicyManager.EXTRA_DEVICE_ADMIN);
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if (cn == null) {
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Log.w(TAG, "No component specified in " + getIntent().getAction());
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finish();
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return;
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}
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if (cn.equals(mCurrentAdmin)) {
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setResult(Activity.RESULT_OK);
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finish();
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return;
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}
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if (mCurrentAdmin != null) {
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Log.w(TAG, "Admin already set, can't do " + getIntent().getAction());
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finish();
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return;
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}
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try {
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mDPM.setActiveAdmin(cn);
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setResult(Activity.RESULT_OK);
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} catch (RuntimeException e) {
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Log.w(TAG, "Unable to set admin " + cn, e);
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setResult(Activity.RESULT_CANCELED);
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}
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finish();
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}
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}
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void updateLayout() {
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if (mCurrentAdmin != null) {
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mActiveLayout.setVisibility(View.VISIBLE);
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mSelectLayout.setVisibility(View.GONE);
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mActiveIcon.setImageDrawable(mCurrentAdmin.loadIcon(getPackageManager()));
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mActiveName.setText(mCurrentAdmin.loadLabel(getPackageManager()));
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} else {
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mActiveLayout.setVisibility(View.GONE);
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mSelectLayout.setVisibility(View.VISIBLE);
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mAvailablePolicies.clear();
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List<ResolveInfo> avail = getPackageManager().queryBroadcastReceivers(
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new Intent(DeviceAdmin.ACTION_DEVICE_ADMIN_ENABLED),
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PackageManager.GET_META_DATA);
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for (int i=0; i<avail.size(); i++) {
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ResolveInfo ri = avail.get(i);
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try {
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DeviceAdminInfo dpi = new DeviceAdminInfo(this, ri);
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mAvailablePolicies.add(dpi);
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} catch (XmlPullParserException e) {
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Log.w(TAG, "Skipping " + ri.activityInfo, e);
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} catch (IOException e) {
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Log.w(TAG, "Skipping " + ri.activityInfo, e);
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}
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}
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getListView().setAdapter(new PolicyListAdapter());
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}
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}
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@Override
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protected void onListItemClick(ListView l, View v, int position, long id) {
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DeviceAdminInfo dpi = (DeviceAdminInfo)l.getAdapter().getItem(position);
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mDPM.setActiveAdmin(dpi.getComponent());
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finish();
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}
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static class ViewHolder {
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ImageView icon;
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TextView name;
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}
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class PolicyListAdapter extends BaseAdapter {
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final LayoutInflater mInflater;
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PolicyListAdapter() {
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mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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}
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public boolean hasStableIds() {
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return true;
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}
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public int getCount() {
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return mAvailablePolicies.size();
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}
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public Object getItem(int position) {
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return mAvailablePolicies.get(position);
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}
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public long getItemId(int position) {
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return position;
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}
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public boolean areAllItemsEnabled() {
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return false;
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}
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public boolean isEnabled(int position) {
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return true;
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}
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public View getView(int position, View convertView, ViewGroup parent) {
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View v;
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if (convertView == null) {
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v = newView(parent);
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} else {
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v = convertView;
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}
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bindView(v, position);
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return v;
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}
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public View newView(ViewGroup parent) {
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View v = mInflater.inflate(R.layout.device_admin_item, parent, false);
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ViewHolder h = new ViewHolder();
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h.icon = (ImageView)v.findViewById(R.id.icon);
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h.name = (TextView)v.findViewById(R.id.name);
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v.setTag(h);
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return v;
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}
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public void bindView(View view, int position) {
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ViewHolder vh = (ViewHolder) view.getTag();
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DeviceAdminInfo item = mAvailablePolicies.get(position);
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vh.icon.setImageDrawable(item.loadIcon(getPackageManager()));
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vh.name.setText(item.loadLabel(getPackageManager()));
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}
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}
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}
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