Brian Attwell | c1b7328 | 2015-06-23 23:26:27 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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.contacts.common.activity; |
| 18 | |
| 19 | import com.android.contacts.common.R; |
Walter Jang | 60951f8 | 2015-07-23 11:05:30 -0700 | [diff] [blame] | 20 | import com.android.contacts.common.model.AccountTypeManager; |
Brian Attwell | c1b7328 | 2015-06-23 23:26:27 -0700 | [diff] [blame] | 21 | |
| 22 | import android.app.Activity; |
| 23 | import android.content.Context; |
| 24 | import android.content.Intent; |
| 25 | import android.content.pm.PackageManager; |
| 26 | import android.os.Bundle; |
| 27 | import android.os.Trace; |
| 28 | import android.widget.Toast; |
| 29 | |
| 30 | import java.util.ArrayList; |
| 31 | import java.util.Arrays; |
| 32 | |
| 33 | /** |
| 34 | * Activity that asks the user for all {@link #getDesiredPermissions} if any of |
| 35 | * {@link #getRequiredPermissions} are missing. |
| 36 | * |
| 37 | * NOTE: As a result of b/22095159, this can behave oddly in the case where the final permission |
| 38 | * you are requesting causes an application restart. |
| 39 | */ |
| 40 | public abstract class RequestPermissionsActivityBase extends Activity { |
| 41 | public static final String PREVIOUS_ACTIVITY_INTENT = "previous_intent"; |
Walter Jang | 6b87ef1 | 2016-11-04 14:03:39 -0700 | [diff] [blame] | 42 | |
| 43 | protected static final String EXTRA_IS_CALLER_SELF = "is_caller_self"; |
| 44 | |
Brian Attwell | c1b7328 | 2015-06-23 23:26:27 -0700 | [diff] [blame] | 45 | private static final int PERMISSIONS_REQUEST_ALL_PERMISSIONS = 1; |
| 46 | |
| 47 | /** |
| 48 | * @return list of permissions that are needed in order for {@link #PREVIOUS_ACTIVITY_INTENT} to |
| 49 | * operate. You only need to return a single permission per permission group you care about. |
| 50 | */ |
| 51 | protected abstract String[] getRequiredPermissions(); |
| 52 | |
| 53 | /** |
| 54 | * @return list of permissions that would be useful for {@link #PREVIOUS_ACTIVITY_INTENT} to |
| 55 | * operate. You only need to return a single permission per permission group you care about. |
| 56 | */ |
| 57 | protected abstract String[] getDesiredPermissions(); |
| 58 | |
| 59 | private Intent mPreviousActivityIntent; |
| 60 | |
Walter Jang | 6b87ef1 | 2016-11-04 14:03:39 -0700 | [diff] [blame] | 61 | /** If true then start the target activity "for result" after permissions are granted. */ |
| 62 | protected boolean mIsCallerSelf; |
| 63 | |
Brian Attwell | c1b7328 | 2015-06-23 23:26:27 -0700 | [diff] [blame] | 64 | @Override |
| 65 | protected void onCreate(Bundle savedInstanceState) { |
| 66 | super.onCreate(savedInstanceState); |
| 67 | mPreviousActivityIntent = (Intent) getIntent().getExtras().get(PREVIOUS_ACTIVITY_INTENT); |
Walter Jang | 6b87ef1 | 2016-11-04 14:03:39 -0700 | [diff] [blame] | 68 | mIsCallerSelf = getIntent().getBooleanExtra(EXTRA_IS_CALLER_SELF, false); |
Brian Attwell | c1b7328 | 2015-06-23 23:26:27 -0700 | [diff] [blame] | 69 | |
| 70 | // Only start a requestPermissions() flow when first starting this activity the first time. |
| 71 | // The process is likely to be restarted during the permission flow (necessary to enable |
| 72 | // permissions) so this is important to track. |
| 73 | if (savedInstanceState == null) { |
| 74 | requestPermissions(); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * If any permissions the Contacts app needs are missing, open an Activity |
| 80 | * to prompt the user for these permissions. Moreover, finish the current activity. |
| 81 | * |
| 82 | * This is designed to be called inside {@link android.app.Activity#onCreate} |
| 83 | */ |
| 84 | protected static boolean startPermissionActivity(Activity activity, |
| 85 | String[] requiredPermissions, Class<?> newActivityClass) { |
Walter Jang | 6b87ef1 | 2016-11-04 14:03:39 -0700 | [diff] [blame] | 86 | return startPermissionActivity(activity, requiredPermissions, /* isCallerSelf */ false, |
| 87 | newActivityClass); |
| 88 | } |
| 89 | |
| 90 | protected static boolean startPermissionActivity(Activity activity, |
| 91 | String[] requiredPermissions, boolean isCallerSelf, Class<?> newActivityClass) { |
Brian Attwell | c1b7328 | 2015-06-23 23:26:27 -0700 | [diff] [blame] | 92 | if (!RequestPermissionsActivity.hasPermissions(activity, requiredPermissions)) { |
| 93 | final Intent intent = new Intent(activity, newActivityClass); |
| 94 | intent.putExtra(PREVIOUS_ACTIVITY_INTENT, activity.getIntent()); |
Walter Jang | 6b87ef1 | 2016-11-04 14:03:39 -0700 | [diff] [blame] | 95 | intent.putExtra(EXTRA_IS_CALLER_SELF, isCallerSelf); |
Brian Attwell | c1b7328 | 2015-06-23 23:26:27 -0700 | [diff] [blame] | 96 | activity.startActivity(intent); |
| 97 | activity.finish(); |
| 98 | return true; |
| 99 | } |
Walter Jang | 60951f8 | 2015-07-23 11:05:30 -0700 | [diff] [blame] | 100 | |
| 101 | // Account type initialization must be delayed until the Contacts permission group |
| 102 | // has been granted (since GET_ACCOUNTS) falls under that groups. Previously it |
| 103 | // was initialized in ContactApplication which would cause problems as |
| 104 | // AccountManager.getAccounts would return an empty array. See b/22690336 |
| 105 | AccountTypeManager.getInstance(activity); |
| 106 | |
Brian Attwell | c1b7328 | 2015-06-23 23:26:27 -0700 | [diff] [blame] | 107 | return false; |
| 108 | } |
| 109 | |
| 110 | @Override |
| 111 | public void onRequestPermissionsResult(int requestCode, String permissions[], |
| 112 | int[] grantResults) { |
Yorke Lee | 957cbe2 | 2015-08-11 18:02:18 -0700 | [diff] [blame] | 113 | if (permissions != null && permissions.length > 0 |
| 114 | && isAllGranted(permissions, grantResults)) { |
Brian Attwell | c1b7328 | 2015-06-23 23:26:27 -0700 | [diff] [blame] | 115 | mPreviousActivityIntent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION); |
Walter Jang | 6b87ef1 | 2016-11-04 14:03:39 -0700 | [diff] [blame] | 116 | if (mIsCallerSelf) { |
| 117 | startActivityForResult(mPreviousActivityIntent, 0); |
| 118 | } else { |
| 119 | startActivity(mPreviousActivityIntent); |
| 120 | } |
Brian Attwell | c1b7328 | 2015-06-23 23:26:27 -0700 | [diff] [blame] | 121 | finish(); |
| 122 | overridePendingTransition(0, 0); |
| 123 | } else { |
| 124 | Toast.makeText(this, R.string.missing_required_permission, Toast.LENGTH_SHORT).show(); |
| 125 | finish(); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | private boolean isAllGranted(String permissions[], int[] grantResult) { |
| 130 | for (int i = 0; i < permissions.length; i++) { |
| 131 | if (grantResult[i] != PackageManager.PERMISSION_GRANTED |
| 132 | && isPermissionRequired(permissions[i])) { |
| 133 | return false; |
| 134 | } |
| 135 | } |
| 136 | return true; |
| 137 | } |
| 138 | |
| 139 | private boolean isPermissionRequired(String p) { |
| 140 | return Arrays.asList(getRequiredPermissions()).contains(p); |
| 141 | } |
| 142 | |
| 143 | private void requestPermissions() { |
| 144 | Trace.beginSection("requestPermissions"); |
| 145 | try { |
| 146 | // Construct a list of missing permissions |
| 147 | final ArrayList<String> unsatisfiedPermissions = new ArrayList<>(); |
| 148 | for (String permission : getDesiredPermissions()) { |
| 149 | if (checkSelfPermission(permission) |
| 150 | != PackageManager.PERMISSION_GRANTED) { |
| 151 | unsatisfiedPermissions.add(permission); |
| 152 | } |
| 153 | } |
| 154 | if (unsatisfiedPermissions.size() == 0) { |
| 155 | throw new RuntimeException("Request permission activity was called even" |
| 156 | + " though all permissions are satisfied."); |
| 157 | } |
| 158 | requestPermissions( |
| 159 | unsatisfiedPermissions.toArray(new String[unsatisfiedPermissions.size()]), |
| 160 | PERMISSIONS_REQUEST_ALL_PERMISSIONS); |
| 161 | } finally { |
| 162 | Trace.endSection(); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | protected static boolean hasPermissions(Context context, String[] permissions) { |
| 167 | Trace.beginSection("hasPermission"); |
| 168 | try { |
| 169 | for (String permission : permissions) { |
| 170 | if (context.checkSelfPermission(permission) |
| 171 | != PackageManager.PERMISSION_GRANTED) { |
| 172 | return false; |
| 173 | } |
| 174 | } |
| 175 | return true; |
| 176 | } finally { |
| 177 | Trace.endSection(); |
| 178 | } |
| 179 | } |
| 180 | } |