dependencies {
    implementation 'com.hjq:xxpermissions:3.6'
}

XXPermissions.with(this)
        //.constantRequest() //可设置被拒绝后继续申请，直到用户授权或者永久拒绝
        //.permission(Permission.REQUEST_INSTALL_PACKAGES, Permission.SYSTEM_ALERT_WINDOW) //支持请求安装权限和悬浮窗权限
        .permission(Permission.Group.STORAGE) //支持多个权限组进行请求，不指定则默以清单文件中的危险权限进行请求
        .request(new OnPermission() {

            @Override
            public void hasPermission(List<String> granted, boolean isAll) {
                
            }

            @Override
            public void noPermission(List<String> denied, boolean quick) {
                
            }
        });

if (XXPermissions.isHasPermission(this, Permission.Group.STORAGE)) {
	
}

XXPermissions.gotoPermissionSettings(this);

-dontwarn com.hjq.permissions.**

Copyright 2018 Huang Jinqun

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.