參考部落格：http://blog.csdn.net/sun6223508/article/details/50505936

p

    private  final int REQUEST_FINE_LOCATION = 1;

    private void mayRequestLocation() {
        //檢查系統版本，6.0開始需要動態申請許可權
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            //檢查是否已授權
            int cllPhonePermission = ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION);
            if (callPhonePermission != PackageManager.PERMISSION_GRANTED) {
                if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.ACCESS_COARSE_LOCATION)) {
                   //提示使用者需要獲取位置許可權
                }
                //開始許可權申請
                ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_COARSE_LOCATION}, REQUEST_FINE_LOCATION);
                return;
            }
        }
    }

    /**
     * 許可權申請結果處理
     * @param requestCode
     * @param permissions
     * @param grantResults
     */
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
                                           @NonNull int[] grantResults) {
        switch (requestCode) {
            case REQUEST_FINE_LOCATION:
                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                 //使用者已授權，開始掃描藍芽
                }else{
                    //使用者未授權，提示使用者
                }
                break;
        }
    }
}