//動(dòng)態(tài)申請讀寫sd卡權(quán)限

intresult = ActivityCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE);

if(result != PackageManager.PERMISSION_GRANTED) {

//申請權(quán)限

ActivityCompat.requestPermissions(this,newString[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},0);

}

申請權(quán)限結(jié)果回調(diào):

@Override

public voidonRequestPermissionsResult(intrequestCode,@NonNullString[] permissions,@NonNullint[] grantResults) {

//super.onRequestPermissionsResult(requestCode, permissions, grantResults);

switch(requestCode) {

case0:

if(grantResults[0]==PackageManager.PERMISSION_DENIED) {

Toast.makeText(MainActivity.this,"權(quán)限被拒絕", Toast.LENGTH_SHORT).show();

}else{

//創(chuàng)建目錄

DownloadManager.getInstance().createFileDir();

}

break;

}

}