1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.contacts.common.activity;
import android.Manifest.permission;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.os.Trace;
/**
* Repeatedly ask the user for runtime permissions, until they grant all the permissions.
* For now this is designed for activities used in Contacts. However, the ImportVCardActivity is
* also used in the Dialer. When Dialer begins to support runtime permissions in their app, they
* may wish to use a more targeted list of permissions or allow the user to reject using
* some permissions.
*
* At the time of writing this Activity, most permissions cause crashes when not granted.
* So it is risky to not possess them.
*
*/
public class RequestPermissionsActivity extends Activity {
public static final String PREVIOUS_ACTIVITY_INTENT = "previous_intent";
private static final int PERMISSIONS_REQUEST_ALL_PERMISSIONS = 1;
private static String[] permissions = new String[]{
permission.ACCESS_FINE_LOCATION, // Location Group
permission.READ_CONTACTS, // Contacts group
permission.READ_CALL_LOG, // Permission group phone
permission.READ_CALENDAR, // Calendar group
permission.READ_SMS, // SMS group
permission.WRITE_EXTERNAL_STORAGE, // Storage group
};
private Intent mPreviousActivityIntent;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mPreviousActivityIntent = (Intent) getIntent().getExtras().get(PREVIOUS_ACTIVITY_INTENT);
if (savedInstanceState == null) {
requestPermissions();
}
}
/**
* If any permissions the Contacts app needs are missing, open an Activity
* to prompt the user for these permissions. Moreover, finish the current activity.
*
* This is designed to be called inside {@link android.app.Activity#onCreate}
*/
public static boolean startPermissionActivity(Activity activity) {
if (!RequestPermissionsActivity.hasPermissions(activity)) {
final Intent intent = new Intent(activity, RequestPermissionsActivity.class);
intent.putExtra(PREVIOUS_ACTIVITY_INTENT, activity.getIntent());
activity.startActivity(intent);
activity.finish();
return true;
}
return false;
}
@Override
public void onRequestPermissionsResult(int requestCode, String permissions[],
int[] grantResults) {
if (isAllGranted(grantResults)) {
mPreviousActivityIntent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
startActivity(mPreviousActivityIntent);
finish();
overridePendingTransition(0, 0);
} else {
requestPermissions();
}
}
private boolean isAllGranted(int[] grantResult) {
for (int result : grantResult) {
if (result != PackageManager.PERMISSION_GRANTED) {
return false;
}
}
return true;
}
private void requestPermissions() {
Trace.beginSection("requestPermissions");
requestPermissions(permissions, PERMISSIONS_REQUEST_ALL_PERMISSIONS);
Trace.endSection();
}
public static boolean hasPermissions(Context context) {
Trace.beginSection("hasPermission");
try {
for (String permission : permissions) {
if (context.checkSelfPermission(permission)
!= PackageManager.PERMISSION_GRANTED) {
return false;
}
}
return true;
} finally {
Trace.endSection();
}
}
}
|
