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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      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
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     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.
     15  */
     16 
     17 package com.android.cts.verifier.admin;
     18 
     19 import android.app.admin.DevicePolicyManager;
     20 import android.content.BroadcastReceiver;
     21 import android.content.ComponentName;
     22 import android.content.Context;
     23 import android.content.Intent;
     24 import android.content.IntentFilter;
     25 import android.content.pm.PackageInfo;
     26 import android.content.pm.PackageManager;
     27 import android.net.Uri;
     28 import android.os.Bundle;
     29 import android.provider.Settings;
     30 import android.view.View;
     31 import android.widget.Button;
     32 import android.widget.ImageView;
     33 import android.widget.TextView;
     34 
     35 import com.android.cts.verifier.PassFailButtons;
     36 import com.android.cts.verifier.R;
     37 
     38 /**
     39  * Test that checks that active device admins can be easily uninstalled via the app details screen
     40  */
     41 public class DeviceAdminUninstallTestActivity extends PassFailButtons.Activity implements
     42         View.OnClickListener {
     43 
     44     private static final String TAG = DeviceAdminUninstallTestActivity.class.getSimpleName();
     45     private static final String ADMIN_PACKAGE_NAME = "com.android.cts.emptydeviceadmin";
     46     private static final String ADMIN_RECEIVER_CLASS_NAME =
     47             "com.android.cts.emptydeviceadmin.EmptyDeviceAdmin";
     48     private static final String ADMIN_INSTALLED_BUNDLE_KEY = "admin_installed";
     49     private static final String ADMIN_ACTIVATED_BUNDLE_KEY = "admin_activated";
     50     private static final String ADMIN_REMOVED_BUNDLE_KEY = "admin_removed";
     51 
     52     private static final int REQUEST_ENABLE_ADMIN = 1;
     53     private static final int REQUEST_UNINSTALL_ADMIN = 2;
     54 
     55     private DevicePolicyManager mDevicePolicyManager;
     56 
     57     private ImageView mInstallStatus;
     58     private TextView mInstallAdminText;
     59     private Button mAddDeviceAdminButton;
     60     private ImageView mEnableStatus;
     61     private Button mUninstallAdminButton;
     62     private ImageView mUninstallStatus;
     63     private boolean mAdminInstalled;
     64     private boolean mAdminActivated;
     65     private boolean mAdminRemoved;
     66     private ComponentName mAdmin;
     67     private final BroadcastReceiver mPackageAddedListener = new BroadcastReceiver() {
     68         @Override
     69         public void onReceive(Context context, Intent intent) {
     70             final Uri uri = intent.getData();
     71             if (uri != null && ADMIN_PACKAGE_NAME.equals(uri.getSchemeSpecificPart())) {
     72                 onAdminPackageInstalled();
     73             }
     74         }
     75     };
     76 
     77     @Override
     78     protected void onCreate(Bundle savedInstanceState) {
     79         super.onCreate(savedInstanceState);
     80         setContentView(R.layout.da_uninstall_test_main);
     81         setInfoResources(R.string.da_uninstall_test, R.string.da_uninstall_test_info, -1);
     82         setPassFailButtonClickListeners();
     83         mAdmin = new ComponentName(ADMIN_PACKAGE_NAME, ADMIN_RECEIVER_CLASS_NAME);
     84         mDevicePolicyManager = (DevicePolicyManager) getSystemService(DEVICE_POLICY_SERVICE);
     85 
     86         if (savedInstanceState != null) {
     87             mAdminInstalled = savedInstanceState.getBoolean(ADMIN_INSTALLED_BUNDLE_KEY, false);
     88             mAdminActivated = savedInstanceState.getBoolean(ADMIN_ACTIVATED_BUNDLE_KEY, false);
     89             mAdminRemoved = savedInstanceState.getBoolean(ADMIN_REMOVED_BUNDLE_KEY, false);
     90         } else {
     91             mAdminInstalled = isPackageInstalled(ADMIN_PACKAGE_NAME);
     92             mAdminActivated = mDevicePolicyManager.isAdminActive(mAdmin);
     93         }
     94         mInstallStatus = findViewById(R.id.install_admin_status);
     95         mInstallAdminText = findViewById(R.id.install_admin_instructions);
     96         if (!mAdminInstalled) {
     97             final IntentFilter packageAddedFilter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
     98             packageAddedFilter.addDataScheme("package");
     99             registerReceiver(mPackageAddedListener, packageAddedFilter);
    100         }
    101 
    102         mEnableStatus = findViewById(R.id.enable_admin_status);
    103         mAddDeviceAdminButton = findViewById(R.id.enable_device_admin_button);
    104         mAddDeviceAdminButton.setOnClickListener(this);
    105 
    106         mUninstallStatus = findViewById(R.id.uninstall_admin_status);
    107         mUninstallAdminButton = findViewById(R.id.open_app_details_button);
    108         mUninstallAdminButton.setOnClickListener(this);
    109     }
    110 
    111     private void onAdminPackageInstalled() {
    112         mAdminInstalled = true;
    113         updateWidgets();
    114         unregisterReceiver(mPackageAddedListener);
    115     }
    116 
    117     private boolean isPackageInstalled(String packageName) {
    118         PackageInfo packageInfo = null;
    119         try {
    120             packageInfo = getPackageManager().getPackageInfo(packageName, 0);
    121         } catch (PackageManager.NameNotFoundException exc) {
    122             // Expected.
    123         }
    124         return packageInfo != null;
    125     }
    126 
    127     @Override
    128     public void onClick(View v) {
    129         if (v == mAddDeviceAdminButton) {
    130             Intent securitySettingsIntent = new Intent(DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN);
    131             securitySettingsIntent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, mAdmin);
    132             startActivityForResult(securitySettingsIntent, REQUEST_ENABLE_ADMIN);
    133         } else if (v == mUninstallAdminButton) {
    134             Intent appDetails = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
    135             appDetails.setData(Uri.parse("package:" + ADMIN_PACKAGE_NAME));
    136             startActivityForResult(appDetails, REQUEST_UNINSTALL_ADMIN);
    137         }
    138     }
    139 
    140     @Override
    141     public void onActivityResult(int requestCode, int resultCode, Intent data) {
    142         if (requestCode == REQUEST_ENABLE_ADMIN) {
    143             mAdminActivated = mDevicePolicyManager.isAdminActive(mAdmin);
    144         } else if (requestCode == REQUEST_UNINSTALL_ADMIN) {
    145             mAdminRemoved = !isPackageInstalled(ADMIN_PACKAGE_NAME);
    146         }
    147     }
    148 
    149     @Override
    150     public void onResume() {
    151         super.onResume();
    152         updateWidgets();
    153     }
    154 
    155     @Override
    156     public void onSaveInstanceState(Bundle icicle) {
    157         icicle.putBoolean(ADMIN_INSTALLED_BUNDLE_KEY, mAdminInstalled);
    158         icicle.putBoolean(ADMIN_ACTIVATED_BUNDLE_KEY, mAdminActivated);
    159         icicle.putBoolean(ADMIN_REMOVED_BUNDLE_KEY, mAdminRemoved);
    160     }
    161 
    162     private void updateWidgets() {
    163         mInstallStatus.setImageResource(
    164                 mAdminInstalled ? R.drawable.fs_good : R.drawable.fs_indeterminate);
    165         mInstallAdminText.setText(mAdminInstalled ? R.string.da_admin_installed_status_text
    166                 : R.string.da_install_admin_instructions);
    167         mInstallStatus.invalidate();
    168         mAddDeviceAdminButton.setEnabled(mAdminInstalled && !mAdminActivated);
    169         mEnableStatus.setImageResource(
    170                 mAdminActivated ? R.drawable.fs_good : R.drawable.fs_indeterminate);
    171         mEnableStatus.invalidate();
    172 
    173         mUninstallAdminButton.setEnabled(mAdminActivated && !mAdminRemoved);
    174         mUninstallStatus.setImageResource(
    175                 mAdminRemoved ? R.drawable.fs_good : R.drawable.fs_indeterminate);
    176         mUninstallStatus.invalidate();
    177 
    178         getPassButton().setEnabled(mAdminRemoved);
    179     }
    180 }
    181