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;
53 import java.util.HashSet;
54 import java.util.List;
56 public class DeviceAdminAdd extends Activity {
57 static final String TAG = "DeviceAdminAdd";
59 static final int DIALOG_WARNING = 1;
61 private static final int MAX_ADD_MSG_LINES_PORTRAIT = 5;
62 private static final int MAX_ADD_MSG_LINES_LANDSCAPE = 2;
63 private static final int MAX_ADD_MSG_LINES = 15;
67 DevicePolicyManager mDPM;
68 DeviceAdminInfo mDeviceAdmin;
69 CharSequence mAddMsgText;
73 TextView mAdminDescription;
75 ImageView mAddMsgExpander;
76 boolean mAddMsgEllipsized = true;
77 TextView mAdminWarning;
78 ViewGroup mAdminPolicies;
82 final ArrayList<View> mAddingPolicies = new ArrayList<View>();
83 final ArrayList<View> mActivePolicies = new ArrayList<View>();
89 protected void onCreate(Bundle icicle) {
90 super.onCreate(icicle);
92 mHandler = new Handler(getMainLooper());
94 mDPM = (DevicePolicyManager)getSystemService(Context.DEVICE_POLICY_SERVICE);
96 if ((getIntent().getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) {
97 Log.w(TAG, "Cannot start ADD_DEVICE_ADMIN as a new task");
102 ComponentName cn = (ComponentName)getIntent().getParcelableExtra(
103 DevicePolicyManager.EXTRA_DEVICE_ADMIN);
105 Log.w(TAG, "No component specified in " + getIntent().getAction());
112 ai = getPackageManager().getReceiverInfo(cn, PackageManager.GET_META_DATA);
113 } catch (PackageManager.NameNotFoundException e) {
114 Log.w(TAG, "Unable to retrieve device policy " + cn, e);
119 // Make sure the given component name is actually a valid device admin.
120 List<ResolveInfo> avail = getPackageManager().queryBroadcastReceivers(
121 new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED),
123 int count = avail == null ? 0 : avail.size();
124 boolean found = false;
125 for (int i=0; i<count; i++) {
126 ResolveInfo ri = avail.get(i);
127 if (ai.packageName.equals(ri.activityInfo.packageName)
128 && ai.name.equals(ri.activityInfo.name)) {
130 // We didn't retrieve the meta data for all possible matches, so
131 // need to use the activity info of this specific one that was retrieved.
132 ri.activityInfo = ai;
133 DeviceAdminInfo dpi = new DeviceAdminInfo(this, ri);
135 } catch (XmlPullParserException e) {
136 Log.w(TAG, "Bad " + ri.activityInfo, e);
137 } catch (IOException e) {
138 Log.w(TAG, "Bad " + ri.activityInfo, e);
144 Log.w(TAG, "Request to add invalid device admin: " + cn);
149 ResolveInfo ri = new ResolveInfo();
150 ri.activityInfo = ai;
152 mDeviceAdmin = new DeviceAdminInfo(this, ri);
153 } catch (XmlPullParserException e) {
154 Log.w(TAG, "Unable to retrieve device policy " + cn, e);
157 } catch (IOException e) {
158 Log.w(TAG, "Unable to retrieve device policy " + cn, e);
163 // This admin already exists, an we have two options at this point. If new policy
164 // bits are set, show the user the new list. If nothing has changed, simply return
166 if (DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN.equals(getIntent().getAction())) {
168 if (mDPM.isAdminActive(cn)) {
169 ArrayList<DeviceAdminInfo.PolicyInfo> newPolicies = mDeviceAdmin.getUsedPolicies();
170 for (int i = 0; i < newPolicies.size(); i++) {
171 DeviceAdminInfo.PolicyInfo pi = newPolicies.get(i);
172 if (!mDPM.hasGrantedPolicy(cn, pi.ident)) {
178 // Nothing changed (or policies were removed) - return immediately
179 setResult(Activity.RESULT_OK);
185 mAddMsgText = getIntent().getCharSequenceExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION);
187 setContentView(R.layout.device_admin_add);
189 mAdminIcon = (ImageView)findViewById(R.id.admin_icon);
190 mAdminName = (TextView)findViewById(R.id.admin_name);
191 mAdminDescription = (TextView)findViewById(R.id.admin_description);
193 mAddMsg = (TextView)findViewById(R.id.add_msg);
194 mAddMsgExpander = (ImageView) findViewById(R.id.add_msg_expander);
195 mAddMsg.setOnClickListener(new View.OnClickListener() {
196 public void onClick(View v) {
197 toggleMessageEllipsis(v);
201 // toggleMessageEllipsis also handles initial layout:
202 toggleMessageEllipsis(mAddMsg);
204 mAdminWarning = (TextView) findViewById(R.id.admin_warning);
205 mAdminPolicies = (ViewGroup) findViewById(R.id.admin_policies);
206 mCancelButton = (Button) findViewById(R.id.cancel_button);
207 mCancelButton.setOnClickListener(new View.OnClickListener() {
208 public void onClick(View v) {
212 mActionButton = (Button) findViewById(R.id.action_button);
213 mActionButton.setOnClickListener(new View.OnClickListener() {
214 public void onClick(View v) {
217 mDPM.setActiveAdmin(mDeviceAdmin.getComponent(), mRefreshing);
218 setResult(Activity.RESULT_OK);
219 } catch (RuntimeException e) {
220 // Something bad happened... could be that it was
221 // already set, though.
222 Log.w(TAG, "Exception trying to activate admin "
223 + mDeviceAdmin.getComponent(), e);
224 if (mDPM.isAdminActive(mDeviceAdmin.getComponent())) {
225 setResult(Activity.RESULT_OK);
231 // Don't allow the admin to put a dialog up in front
232 // of us while we interact with the user.
233 ActivityManagerNative.getDefault().stopAppSwitches();
234 } catch (RemoteException e) {
236 mDPM.getRemoveWarning(mDeviceAdmin.getComponent(),
237 new RemoteCallback(mHandler) {
239 protected void onResult(Bundle bundle) {
240 CharSequence msg = bundle != null
241 ? bundle.getCharSequence(
242 DeviceAdminReceiver.EXTRA_DISABLE_WARNING)
246 ActivityManagerNative.getDefault().resumeAppSwitches();
247 } catch (RemoteException e) {
249 mDPM.removeActiveAdmin(mDeviceAdmin.getComponent());
252 Bundle args = new Bundle();
253 args.putCharSequence(
254 DeviceAdminReceiver.EXTRA_DISABLE_WARNING, msg);
255 showDialog(DIALOG_WARNING, args);
265 protected void onResume() {
271 protected Dialog onCreateDialog(int id, Bundle args) {
273 case DIALOG_WARNING: {
274 CharSequence msg = args.getCharSequence(DeviceAdminReceiver.EXTRA_DISABLE_WARNING);
275 AlertDialog.Builder builder = new AlertDialog.Builder(
276 DeviceAdminAdd.this);
277 builder.setMessage(msg);
278 builder.setPositiveButton(R.string.dlg_ok,
279 new DialogInterface.OnClickListener() {
280 public void onClick(DialogInterface dialog, int which) {
281 mDPM.removeActiveAdmin(mDeviceAdmin.getComponent());
285 builder.setNegativeButton(R.string.dlg_cancel, null);
286 return builder.create();
289 return super.onCreateDialog(id, args);
294 static void setViewVisibility(ArrayList<View> views, int visibility) {
295 final int N = views.size();
296 for (int i=0; i<N; i++) {
297 views.get(i).setVisibility(visibility);
301 void updateInterface() {
302 mAdminIcon.setImageDrawable(mDeviceAdmin.loadIcon(getPackageManager()));
303 mAdminName.setText(mDeviceAdmin.loadLabel(getPackageManager()));
305 mAdminDescription.setText(
306 mDeviceAdmin.loadDescription(getPackageManager()));
307 mAdminDescription.setVisibility(View.VISIBLE);
308 } catch (Resources.NotFoundException e) {
309 mAdminDescription.setVisibility(View.GONE);
311 if (mAddMsgText != null) {
312 mAddMsg.setText(mAddMsgText);
313 mAddMsg.setVisibility(View.VISIBLE);
315 mAddMsg.setVisibility(View.GONE);
316 mAddMsgExpander.setVisibility(View.GONE);
318 if (!mRefreshing && mDPM.isAdminActive(mDeviceAdmin.getComponent())) {
319 if (mActivePolicies.size() == 0) {
320 ArrayList<DeviceAdminInfo.PolicyInfo> policies = mDeviceAdmin.getUsedPolicies();
321 for (int i=0; i<policies.size(); i++) {
322 DeviceAdminInfo.PolicyInfo pi = policies.get(i);
323 View view = AppSecurityPermissions.getPermissionItemView(
324 this, getText(pi.label), "", true);
325 mActivePolicies.add(view);
326 mAdminPolicies.addView(view);
329 setViewVisibility(mActivePolicies, View.VISIBLE);
330 setViewVisibility(mAddingPolicies, View.GONE);
331 mAdminWarning.setText(getString(R.string.device_admin_status,
332 mDeviceAdmin.getActivityInfo().applicationInfo.loadLabel(getPackageManager())));
333 setTitle(getText(R.string.active_device_admin_msg));
334 mActionButton.setText(getText(R.string.remove_device_admin));
337 if (mAddingPolicies.size() == 0) {
338 ArrayList<DeviceAdminInfo.PolicyInfo> policies = mDeviceAdmin.getUsedPolicies();
339 for (int i=0; i<policies.size(); i++) {
340 DeviceAdminInfo.PolicyInfo pi = policies.get(i);
341 View view = AppSecurityPermissions.getPermissionItemView(
342 this, getText(pi.label), getText(pi.description), true);
343 mAddingPolicies.add(view);
344 mAdminPolicies.addView(view);
347 setViewVisibility(mAddingPolicies, View.VISIBLE);
348 setViewVisibility(mActivePolicies, View.GONE);
349 mAdminWarning.setText(getString(R.string.device_admin_warning,
350 mDeviceAdmin.getActivityInfo().applicationInfo.loadLabel(getPackageManager())));
351 setTitle(getText(R.string.add_device_admin_msg));
352 mActionButton.setText(getText(R.string.add_device_admin));
358 void toggleMessageEllipsis(View v) {
359 TextView tv = (TextView) v;
361 mAddMsgEllipsized = ! mAddMsgEllipsized;
362 tv.setEllipsize(mAddMsgEllipsized ? TruncateAt.END : null);
363 tv.setMaxLines(mAddMsgEllipsized ? getEllipsizedLines() : MAX_ADD_MSG_LINES);
365 mAddMsgExpander.setImageResource(mAddMsgEllipsized ?
366 com.android.internal.R.drawable.expander_ic_minimized :
367 com.android.internal.R.drawable.expander_ic_maximized);
370 int getEllipsizedLines() {
371 Display d = ((WindowManager) getSystemService(Context.WINDOW_SERVICE))
372 .getDefaultDisplay();
374 return d.getHeight() > d.getWidth() ?
375 MAX_ADD_MSG_LINES_PORTRAIT : MAX_ADD_MSG_LINES_LANDSCAPE;