android - 在Android 6上出现“没有写APN设置的权限”错误

我的应用程序在Android5.0及以下版本上运行良好，但当我尝试在Android6.0或更高版本的设备上运行时，出现了以下错误：

Writing exception to parcel
                                                 java.lang.SecurityException: No permission to write APN settings
                                                     at com.android.providers.telephony.TelephonyProvider.checkPermission(TelephonyProvider.java:4058)
                                                     at com.android.providers.telephony.TelephonyProvider.query(TelephonyProvider.java:2724)
                                                     at android.content.ContentProvider.query(ContentProvider.java:1058)
                                                     at android.content.ContentProvider$Transport.query(ContentProvider.java:245)
                                                     at android.content.ContentProviderNative.onTransact(ContentProviderNative.java:112)
                                                     at android.os.Binder.execTransact(Binder.java:453)

任何帮助都将不胜感激。

最佳答案

也许你在运行时没有得到许可。那就这么做

    int permissionCheck = ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.WRITE_APN_SETTINGS);
    if (permissionCheck != PackageManager.PERMISSION_GRANTED) {
        //requesting permission
        ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.WRITE_APN_SETTINGS}, 1);
    } else {
        //permission is granted and you can change APN settings
    }

@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
    switch (requestCode) {
        case 1: {
            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                //premission granted by user
            } else {
                //permission denied by user
            }
        }
        default:
            super.onRequestPermissionsResult(requestCode, permissions, grantResults);
    }
}

关于android - 在Android 6上出现“没有写APN设置的权限”错误，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/41203028/