2 * Copyright (C) 2010 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.settings;
19 import org.xmlpull.v1.XmlPullParserException;
21 import android.app.Activity;
22 import android.app.ActivityManagerNative;
23 import android.app.AlertDialog;
24 import android.app.Dialog;
25 import android.app.admin.DeviceAdminInfo;
26 import android.app.admin.DeviceAdminReceiver;
27 import android.app.admin.DevicePolicyManager;
28 import android.content.ComponentName;
29 import android.content.Context;
30 import android.content.DialogInterface;
31 import android.content.Intent;
32 import android.content.pm.ActivityInfo;
33 import android.content.pm.PackageManager;
34 import android.content.pm.ResolveInfo;
35 import android.content.res.Resources;
36 import android.os.Bundle;
37 import android.os.Handler;
38 import android.os.RemoteCallback;
39 import android.os.RemoteException;
40 import android.text.TextUtils.TruncateAt;
41 import android.util.Log;
42 import android.view.Display;
43 import android.view.View;
44 import android.view.ViewGroup;
45 import android.view.WindowManager;
46 import android.widget.AppSecurityPermissions;
47 import android.widget.Button;
48 import android.widget.ImageView;
49 import android.widget.TextView;
51 import java.io.IOException;
52 import java.util.ArrayList;
54 public class DeviceAdminAdd extends Activity {
55 static final String TAG = "DeviceAdminAdd";
57 static final int DIALOG_WARNING = 1;
59 private static final int MAX_ADD_MSG_LINES_PORTRAIT = 5;
60 private static final int MAX_ADD_MSG_LINES_LANDSCAPE = 2;
61 private static final int MAX_ADD_MSG_LINES = 15;
65 DevicePolicyManager mDPM;
66 DeviceAdminInfo mDeviceAdmin;
67 CharSequence mAddMsgText;
71 TextView mAdminDescription;
73 ImageView mAddMsgExpander;
74 boolean mAddMsgEllipsized = true;
75 TextView mAdminWarning;
76 ViewGroup mAdminPolicies;
80 final ArrayList<View> mAddingPolicies = new ArrayList<View>();
81 final ArrayList<View> mActivePolicies = new ArrayList<View>();
87 protected void onCreate(Bundle icicle) {
88 super.onCreate(icicle);
90 mHandler = new Handler(getMainLooper());
92 mDPM = (DevicePolicyManager)getSystemService(Context.DEVICE_POLICY_SERVICE);
94 if ((getIntent().getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) {
95 Log.w(TAG, "Cannot start ADD_DEVICE_ADMIN as a new task");
100 ComponentName cn = (ComponentName)getIntent().getParcelableExtra(
101 DevicePolicyManager.EXTRA_DEVICE_ADMIN);
103 Log.w(TAG, "No component specified in " + getIntent().getAction());
110 ai = getPackageManager().getReceiverInfo(cn, PackageManager.GET_META_DATA);
111 } catch (PackageManager.NameNotFoundException e) {
112 Log.w(TAG, "Unable to retrieve device policy " + cn, e);
117 ResolveInfo ri = new ResolveInfo();
118 ri.activityInfo = ai;
120 mDeviceAdmin = new DeviceAdminInfo(this, ri);
121 } catch (XmlPullParserException e) {
122 Log.w(TAG, "Unable to retrieve device policy " + cn, e);
125 } catch (IOException e) {
126 Log.w(TAG, "Unable to retrieve device policy " + cn, e);
131 // This admin already exists, an we have two options at this point. If new policy
132 // bits are set, show the user the new list. If nothing has changed, simply return
134 if (DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN.equals(getIntent().getAction())) {
136 if (mDPM.isAdminActive(cn)) {
137 ArrayList<DeviceAdminInfo.PolicyInfo> newPolicies = mDeviceAdmin.getUsedPolicies();
138 for (int i = 0; i < newPolicies.size(); i++) {
139 DeviceAdminInfo.PolicyInfo pi = newPolicies.get(i);
140 if (!mDPM.hasGrantedPolicy(cn, pi.ident)) {
146 // Nothing changed (or policies were removed) - return immediately
147 setResult(Activity.RESULT_OK);
153 mAddMsgText = getIntent().getCharSequenceExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION);
155 setContentView(R.layout.device_admin_add);
157 mAdminIcon = (ImageView)findViewById(R.id.admin_icon);
158 mAdminName = (TextView)findViewById(R.id.admin_name);
159 mAdminDescription = (TextView)findViewById(R.id.admin_description);
161 mAddMsg = (TextView)findViewById(R.id.add_msg);
162 mAddMsgExpander = (ImageView) findViewById(R.id.add_msg_expander);
163 mAddMsg.setOnClickListener(new View.OnClickListener() {
164 public void onClick(View v) {
165 toggleMessageEllipsis(v);
169 // toggleMessageEllipsis also handles initial layout:
170 toggleMessageEllipsis(mAddMsg);
172 mAdminWarning = (TextView) findViewById(R.id.admin_warning);
173 mAdminPolicies = (ViewGroup) findViewById(R.id.admin_policies);
174 mCancelButton = (Button) findViewById(R.id.cancel_button);
175 mCancelButton.setOnClickListener(new View.OnClickListener() {
176 public void onClick(View v) {
180 mActionButton = (Button) findViewById(R.id.action_button);
181 mActionButton.setOnClickListener(new View.OnClickListener() {
182 public void onClick(View v) {
185 mDPM.setActiveAdmin(mDeviceAdmin.getComponent(), mRefreshing);
186 setResult(Activity.RESULT_OK);
187 } catch (RuntimeException e) {
188 // Something bad happened... could be that it was
189 // already set, though.
190 Log.w(TAG, "Exception trying to activate admin "
191 + mDeviceAdmin.getComponent(), e);
192 if (mDPM.isAdminActive(mDeviceAdmin.getComponent())) {
193 setResult(Activity.RESULT_OK);
199 // Don't allow the admin to put a dialog up in front
200 // of us while we interact with the user.
201 ActivityManagerNative.getDefault().stopAppSwitches();
202 } catch (RemoteException e) {
204 mDPM.getRemoveWarning(mDeviceAdmin.getComponent(),
205 new RemoteCallback(mHandler) {
207 protected void onResult(Bundle bundle) {
208 CharSequence msg = bundle != null
209 ? bundle.getCharSequence(
210 DeviceAdminReceiver.EXTRA_DISABLE_WARNING)
214 ActivityManagerNative.getDefault().resumeAppSwitches();
215 } catch (RemoteException e) {
217 mDPM.removeActiveAdmin(mDeviceAdmin.getComponent());
220 Bundle args = new Bundle();
221 args.putCharSequence(
222 DeviceAdminReceiver.EXTRA_DISABLE_WARNING, msg);
223 showDialog(DIALOG_WARNING, args);
233 protected void onResume() {
239 protected Dialog onCreateDialog(int id, Bundle args) {
241 case DIALOG_WARNING: {
242 CharSequence msg = args.getCharSequence(DeviceAdminReceiver.EXTRA_DISABLE_WARNING);
243 AlertDialog.Builder builder = new AlertDialog.Builder(
244 DeviceAdminAdd.this);
245 builder.setMessage(msg);
246 builder.setPositiveButton(R.string.dlg_ok,
247 new DialogInterface.OnClickListener() {
248 public void onClick(DialogInterface dialog, int which) {
249 mDPM.removeActiveAdmin(mDeviceAdmin.getComponent());
253 builder.setNegativeButton(R.string.dlg_cancel, null);
254 return builder.create();
257 return super.onCreateDialog(id, args);
262 static void setViewVisibility(ArrayList<View> views, int visibility) {
263 final int N = views.size();
264 for (int i=0; i<N; i++) {
265 views.get(i).setVisibility(visibility);
269 void updateInterface() {
270 mAdminIcon.setImageDrawable(mDeviceAdmin.loadIcon(getPackageManager()));
271 mAdminName.setText(mDeviceAdmin.loadLabel(getPackageManager()));
273 mAdminDescription.setText(
274 mDeviceAdmin.loadDescription(getPackageManager()));
275 mAdminDescription.setVisibility(View.VISIBLE);
276 } catch (Resources.NotFoundException e) {
277 mAdminDescription.setVisibility(View.GONE);
279 if (mAddMsgText != null) {
280 mAddMsg.setText(mAddMsgText);
281 mAddMsg.setVisibility(View.VISIBLE);
283 mAddMsg.setVisibility(View.GONE);
284 mAddMsgExpander.setVisibility(View.GONE);
286 if (!mRefreshing && mDPM.isAdminActive(mDeviceAdmin.getComponent())) {
287 if (mActivePolicies.size() == 0) {
288 ArrayList<DeviceAdminInfo.PolicyInfo> policies = mDeviceAdmin.getUsedPolicies();
289 for (int i=0; i<policies.size(); i++) {
290 DeviceAdminInfo.PolicyInfo pi = policies.get(i);
291 View view = AppSecurityPermissions.getPermissionItemView(
292 this, getText(pi.label), "", true);
293 mActivePolicies.add(view);
294 mAdminPolicies.addView(view);
297 setViewVisibility(mActivePolicies, View.VISIBLE);
298 setViewVisibility(mAddingPolicies, View.GONE);
299 mAdminWarning.setText(getString(R.string.device_admin_status,
300 mDeviceAdmin.getActivityInfo().applicationInfo.loadLabel(getPackageManager())));
301 setTitle(getText(R.string.active_device_admin_msg));
302 mActionButton.setText(getText(R.string.remove_device_admin));
305 if (mAddingPolicies.size() == 0) {
306 ArrayList<DeviceAdminInfo.PolicyInfo> policies = mDeviceAdmin.getUsedPolicies();
307 for (int i=0; i<policies.size(); i++) {
308 DeviceAdminInfo.PolicyInfo pi = policies.get(i);
309 View view = AppSecurityPermissions.getPermissionItemView(
310 this, getText(pi.label), getText(pi.description), true);
311 mAddingPolicies.add(view);
312 mAdminPolicies.addView(view);
315 setViewVisibility(mAddingPolicies, View.VISIBLE);
316 setViewVisibility(mActivePolicies, View.GONE);
317 mAdminWarning.setText(getString(R.string.device_admin_warning,
318 mDeviceAdmin.getActivityInfo().applicationInfo.loadLabel(getPackageManager())));
319 setTitle(getText(R.string.add_device_admin_msg));
320 mActionButton.setText(getText(R.string.add_device_admin));
326 void toggleMessageEllipsis(View v) {
327 TextView tv = (TextView) v;
329 mAddMsgEllipsized = ! mAddMsgEllipsized;
330 tv.setEllipsize(mAddMsgEllipsized ? TruncateAt.END : null);
331 tv.setMaxLines(mAddMsgEllipsized ? getEllipsizedLines() : MAX_ADD_MSG_LINES);
333 mAddMsgExpander.setImageResource(mAddMsgEllipsized ?
334 com.android.internal.R.drawable.expander_ic_minimized :
335 com.android.internal.R.drawable.expander_ic_maximized);
338 int getEllipsizedLines() {
339 Display d = ((WindowManager) getSystemService(Context.WINDOW_SERVICE))
340 .getDefaultDisplay();
342 return d.getHeight() > d.getWidth() ?
343 MAX_ADD_MSG_LINES_PORTRAIT : MAX_ADD_MSG_LINES_LANDSCAPE;