在我的代码中,我请求:
int permissionCheck = ContextCompat.checkSelfPermission(this, android.Manifest.permission.READ_PHONE_STATE);
int permissionCheck1 = ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS);
int permissionCheck2 = ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_CONTACTS);
ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.READ_PHONE_STATE}, 0);
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_CONTACTS}, 1);
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_CONTACTS}, 2);
我还包括:
@Override
public void onRequestPermissionsResult(int requestCode,
String permissions[], int[] grantResults) {
switch (requestCode) {
case 0: {
// If request is cancelled, the result arrays are empty.
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission was granted, yay! Do the
// contacts-related task you need to do.
} else {
ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.READ_PHONE_STATE}, 0);
}
return;
}
case 1: {
// If request is cancelled, the result arrays are empty.
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission was granted, yay! Do the
// contacts-related task you need to do.
} else {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_CONTACTS}, 1);
}
return;
}
case 2: {
// If request is cancelled, the result arrays are empty.
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission was granted, yay! Do the
// contacts-related task you need to do.
} else {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_CONTACTS}, 2);
}
return;
}
// other 'case' lines to check for other
// permissions this app might request.
}
}
当我运行y应用程序时,首先得到请求,然后,在没有接触任何东西之后,我的应用程序崩溃时会出现以下错误:
致命异常:主进程: com.example.ortel.tagnet,PID: 28445 java.lang.StackOverflowError:堆栈大小8MB在android.app.Activity.requestPermissions(Activity.java:4455) at android.app.Activity.requestPermissions(Activity.java:4455) at android.support.v4.app.ActivityCompat.requestPermissions(ActivityCompat.java:507) at com.example.ortel.tagnet.MainActivityOld.onRequestPermissionsResult(MainActivityOld.java:894) at android.app.Activity.requestPermissions(Activity.java:4455)在android.support.v4.app.ActivityCompat.requestPermissions(ActivityCompat.java:507) at com.example.ortel.tagnet.MainActivityOld.onRequestPermissionsResult(MainActivityOld.java:894) at android.app.Activity.requestPermissions(Activity.java:4455) at android.support.v4.app.ActivityCompat.requestPermissions(ActivityCompat.java:507) at com.example.ortel.tagnet.MainActivityOld.onRequestPermissionsResult(MainActivityOld.java:894)
供您参考,(MainActivityOld.java:894)是
String[]{android.Manifest.permission.READ_PHONE_STATE},ActivityCompat.requestPermissions(这是新的ActivityCompat.requestPermissions 0);
这是怎么回事?好像一直在呼唤我的请求。
它不应该等待我的回答吗?
编辑:如果您不知道为什么会发生这种情况,请地址。
发布于 2018-07-05 21:20:27
您可以尝试一次请求所有权限,并输入具有所需的所有3权限的Activity.requestPermissions。在代码中,您实际上是在提示系统使用3种不同的对话作为单独的实体来要求权限,也许在执行第二个权限请求时,它会覆盖第一个权限,并创建一个生成StackOverflowException的循环。
示例:
List <String> str = new ArrayList <> ();
if (ContextCompat.checkSelfPermission(context, Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {
str.add(Manifest.permission.READ_PHONE_STATE);
}
if (ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
str.add(Manifest.permission.ACCESS_COARSE_LOCATION);
}
if (ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
str.add(Manifest.permission.ACCESS_FINE_LOCATION);
}
if (ContextCompat.checkSelfPermission(context, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
str.add(Manifest.permission.READ_EXTERNAL_STORAGE);
}
if (ContextCompat.checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
str.add(Manifest.permission.WRITE_EXTERNAL_STORAGE);
}
if (str.size() > 0) {
String[]strings = new String[str.size()];
str.toArray(strings);
ActivityCompat.requestPermissions(StartActivity.this,
strings,
PERMISSION_CODE_STATE);
}
然后,在接收结果的回调中,检查是否收到了类似于此的所有权限,或者手动检查每个grantResult :布尔值gotPermissions = true;
for (int i : grantResults) {
if (i != PackageManager.PERMISSION_GRANTED) {
gotPermissions = false;
break;
}
}
发布于 2020-04-08 18:20:59
您有一个无限循环,我猜是因为有人拒绝位置许可,并选择“永不问根”复选框。
https://stackoverflow.com/questions/51199544
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