6.0权限问题

//申请权限
private void createDownloadPression() {
int result = ActivityCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (result == PackageManager.PERMISSION_DENIED){
ActivityCompat.requestPermissions(this,new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},0);
}
}
//回调
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED){
DownloadManage.getInstance().createDownloadDir();//创建下载目
}else {
Toast.makeText(this,”没有权限”,Toast.LENGTH_LONG).show();
}
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
}