Android 6.0 权限相关
Runtime Permissions
在Android 6.0中谷歌摒弃了之前的install time permissions model取而代之的是runtime permissions model。先来说说install time permissions model，这个大家不陌生，就是当android App安装的时候会向用户展示一坨权限，如果此时用户选择安装，则表示用户同意将这些权限赋予App，如果用户不同意那么这个App就会取消安装。runtime permissions model就牛逼了，在App安装的时候同样会向用户展示所需要的权限，并且在用户选择安装App的时候并不表示用户将这些权限赋予了App，而是需要App在运行阶段主动去申请这些权限。这样做的好处显而易见，App对权限的申请对于用户来说变得更加透明，而且用户对App权限的控制也更加灵活。
权限的分类
Android将系统权限分成了四个保护等级normal,dangerous,signature,signatureOrSystem,其中最常见的是normal permission和dangerous permission两类。
normal permission涵盖的一系列权限的共同点是：App需要访问App运行沙盒以外的数据或资源，但是这些资源对用户的隐私或其他App的危险性较小，下面列举一下这些权限：
ACCESS_LOCATION_EXTRA_COMMANDS
ACCESS_NETWORK_STATE
ACCESS_NOTIFICATION_POLICY
ACCESS_WIFI_STATE
BLUETOOTH
BLUETOOTH_ADMIN
BROADCAST_STICKY
CHANGE_NETWORK_STATE
CHANGE_WIFI_MULTICAST_STATE
CHANGE_WIFI_STATE
DISABLE_KEYGUARD
EXPAND_STATUS_BAR
FLASHLIGHT
GET_PACKAGE_SIZE
INTERNET
KILL_BACKGROUND_PROCESSES
MODIFY_AUDIO_SETTINGS
NFC
READ_SYNC_SETTINGS
READ_SYNC_STATS
RECEIVE_BOOT_COMPLETED
REORDER_TASKS
REQUEST_INSTALL_PACKAGES
SET_TIME_ZONE
SET_WALLPAPER
SET_WALLPAPER_HINTS
TRANSMIT_IR
USE_FINGERPRINT
VIBRATE
WAKE_LOCK
WRITE_SYNC_SETTINGS
SET_ALARM
INSTALL_SHORTCUT
以上这些就是Android 6.0中所有的normal permissions了。
dangerous permissions
dangerous permissions 涵盖的一系列权限的共同点是：这些权限会读写用户的隐私信息，也可能会读写用户存储的数据或影响其他App的正常运行。下面例举出这些权限：
| 权限组 |
权限 |
| CALENDAR |
READ_CALENDARWRITE_CALENDAR |
| CAMERA |
CAMERA |
| CONTACTS |
READ_CONTACTSWRITE_CONTACTSGET_ACCOUNTS |
| LOCATION |
ACCESS_FINE_LOCATIONACCESS_COARSE_LOCATION |
| MICROPHONE |
RECORD_AUDIO |
| PHONE |
READ_PHONE_STATECALL_PHONE，READ_CALL_LOGWRITE_CALL_LOGADD_VOICEMAILUSE_SIPPROCESS_OUTGOING_CALLS |
| SENSORS |
BODY_SENSORS |
| SMS |
SEND_SMSRECEIVE_SMSREAD_SMSRECEIVE_WAP_PUSHRECEIVE_MMS |
| STORAGE |
READ_EXTERNAL_STORAGEWRITE_EXTERNAL_STORAGE |
以上这些权限就是Android6.0中所有的dangerous permissions。
Runtime Permissions针对的是dangerous permissions，normal permissions还是会在App安装期间被默认赋予。
实战
1、请求3个 dangerous permission，一定要在AndroidManifest.xml上配置，不然只在运行时请求会授权失败
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| <uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
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2、java code，封装好的一些方法
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final private int REQUEST_CODE_ASK_MULTIPLE_PERMISSIONS = 163;
private void startAppWrapper() {
List<String> permissionsNeeded = new ArrayList<String>();
final List<String> permissionsList = new ArrayList<String>();
if (!addPermission(permissionsList, Manifest.permission.WRITE_EXTERNAL_STORAGE))
permissionsNeeded.add("Storage");
if (!addPermission(permissionsList, Manifest.permission.READ_PHONE_STATE))
permissionsNeeded.add("Read Phone State");
if (!addPermission(permissionsList, Manifest.permission.GET_ACCOUNTS))
permissionsNeeded.add("Account Info");
if (permissionsList.size() > 0) {
if (permissionsNeeded.size() > 0) {
String message = "You need to grant access to " + permissionsNeeded.get(0);
for (int i = 1; i < permissionsNeeded.size(); i++)
message = message + ", " + permissionsNeeded.get(i);
showMessageOKCancel(message,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
ActivityCompat.requestPermissions(Logo.this, permissionsList.toArray(new String[permissionsList.size()]),
REQUEST_CODE_ASK_MULTIPLE_PERMISSIONS);
}
});
return;
}
ActivityCompat.requestPermissions(Logo.this, permissionsList.toArray(new String[permissionsList.size()]),
REQUEST_CODE_ASK_MULTIPLE_PERMISSIONS);
return;
}
newStartApp();
}
private boolean addPermission(List<String> permissionsList, String permission) {
if (ContextCompat.checkSelfPermission(Logo.this, permission) != PackageManager.PERMISSION_GRANTED) {
permissionsList.add(permission);
if (!ActivityCompat.shouldShowRequestPermissionRationale(Logo.this, permission))
return false;
}
return true;
}
private void showMessage(String message, DialogInterface.OnClickListener okListener, boolean isCancel) {
AlertDialog.Builder builder = new AlertDialog.Builder(Logo.this);
if (isCancel) {
builder.setNegativeButton("Cancel", null);
}
builder.setMessage(message)
.setPositiveButton("OK", okListener)
.create()
.show();
}
private void showMessageOKCancel(String message, DialogInterface.OnClickListener okListener) {
showMessage(message, okListener, true);
}
private void showMessageOK(String message, DialogInterface.OnClickListener okListener) {
showMessage(message, okListener, false);
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
switch (requestCode) {
case REQUEST_CODE_ASK_MULTIPLE_PERMISSIONS:
{
for (int i = 0; i < grantResults.length; i++) {
Log.e("--- asd", "--- asd: permission:"+permissions[i]+", result:"+ grantResults[i]);
}
boolean isAllAllow = true;
String notGranted = "";
for (int i = 0; i < permissions.length; i++) {
if (grantResults[i] == PackageManager.PERMISSION_DENIED) {
isAllAllow = false;
notGranted = permissions[i];
break;
}
}
if (isAllAllow) {
newStartApp();
} else {
showMessageOK("Grant the permissions for the game please.\n" + notGranted,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
}
});
}
}
break;
default:
break;
}
}
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(ps: newStartApp() 方法是跳转到游戏的Acitivity的方法，先在请求玩所有游戏中需要用到的权限，全部授权成功后在跳转到游戏的Activity）
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@Override
public void onCreate(Bundle savedInstanceState) {
Cocos2dxHelper.setContext(this);
super.onCreate(savedInstanceState);
setContentView(R.layout.q2_logo);
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
newStartApp();
return;
}
startAppWrapper();
}
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运行
