问题描述
我在Play商店控制台中收到一个与 android.support.v4.app.ActivityCompat.OnRequestPermissionsResultCallback
I received a strange out of bounds exception in the Play Store console relating to the android.support.v4.app.ActivityCompat.OnRequestPermissionsResultCallback
java.lang.ArrayIndexOutOfBoundsException: length=0; index=0
at com.example.MyFragmentActivity.onRequestPermissionsResult(MyFragmentActivity.java:2068)
at android.app.Activity.requestPermissions(Activity.java:4163)
at android.support.v4.app.ActivityCompatApi23.requestPermissions(ActivityCompat23.java:32)
at android.support.v4.app.ActivityCompat.requestPermissions(ActivityCompat.java:316)
at com.example.MyFragmentActivity.onConnected(MyFragmentActivity.java:2048)
at com.google.android.gms.common.internal.zzk.zzk(Unknown Source)
at com.google.android.gms.common.api.internal.zzj.zzi(Unknown Source)
at com.google.android.gms.common.api.internal.zzh.zzpx(Unknown Source)
at com.google.android.gms.common.api.internal.zzh.onConnected(Unknown Source)
at com.google.android.gms.common.api.internal.zzl.onConnected(Unknown Source)
at com.google.android.gms.common.api.internal.zzc.onConnected(Unknown Source)
at com.google.android.gms.common.internal.zzj$zzg.zzqL(Unknown Source)
at com.google.android.gms.common.internal.zzj$zza.zzc(Unknown Source)
at com.google.android.gms.common.internal.zzj$zza.zzw(Unknown Source)
at com.google.android.gms.common.internal.zzj$zzc.zzqN(Unknown Source)
at com.google.android.gms.common.internal.zzj$zzb.handleMessage(Unknown Source)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:158)
at android.app.ActivityThread.main(ActivityThread.java:7229)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
这是我的onRequestPermissionsResult实现
This is my onRequestPermissionsResult implementation
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
switch (requestCode) {
case REQUEST_CODE_ASK_LOCATION_PERMISSIONS:
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// Permission Granted
if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
mLastLocation = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
}
startLocationUpdates();
} else {
// Permission Denied
}
break;
default:
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
}
第2068行是这样:
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
我认为它声称 grantResults
的长度为零,这就是抛出java.lang.ArrayIndexOutOfBoundsException的原因.根据文档
I believe it's claiming grantResults
length is zero which is why the java.lang.ArrayIndexOutOfBoundsException is thrown. According to the documentation
grantResults
不会为null,但也不会说任何也不包含任何值的内容.此外,似乎回调将包含至少一个值,即 PERMISSION_GRANTED
或 PERMISSION_DENIED
.这是错误还是我误解了文档?
grantResults
will not be null, but doesn't say anything about it not containing a value either. Furthermore it seems like the callback will contain at least one value, either PERMISSION_GRANTED
or PERMISSION_DENIED
. Is this a bug or am I misunderstanding the documentation?
推荐答案
这似乎是您的情况,因此您必须首先检查数组是否为空:
And it seems to be your situation, so you have to check first if the array is not empty:
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
switch (requestCode) {
case REQUEST_CODE_ASK_LOCATION_PERMISSIONS:
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// Permission Granted
if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
mLastLocation = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
}
startLocationUpdates();
} else {
// Permission Denied
}
break;
default:
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
}
这篇关于android.support.v4.app.ActivityCompat.OnRequestPermissionsResultCallback中的奇怪ArrayIndexOutOfBoundsException的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!