private final Context mContext;public PermissionsCheckerUtil(Context mContext) { this.mContext = mContext;}

 // 判斷權限集合public boolean lacksPermissions(String... permissions) { for (String permission : permissions) {  if (lacksPermission(permission)) {   return true;  } } return false;}

 // 判斷是否缺少權限private boolean lacksPermission(String permission) {return ContextCompat.checkSelfPermission(mContext, permission) ==PackageManager.PERMISSION_DENIED;}

//添加你所需權限進集合private static final String[] PERMISSIONS = new String[]{Manifest.permission.BLUETOOTH,Manifest.permission.BLUETOOTH_ADMIN,Manifest.permission.ACCESS_FINE_LOCATION,Manifest.permission.ACCESS_COARSE_LOCATION};public Context mContext;public static final int PERMISSION_REQUEST_CODE = 10001;private PermissionsCheckerUtil mPermissionsCheckerUtil; //權限檢測器

mContext = getApplicationContext();mPermissionsCheckerUtil = new PermissionsCheckerUtil(mContext);initPermission();

 private void initPermission() { if (mPermissionsCheckerUtil.lacksPermissions(PERMISSIONS)) {  ActivityCompat.requestPermissions(this, PERMISSIONS, PERMISSION_REQUEST_CODE); }}