dependencies {

  // PermissionDispatcher 框架的使用

    implementation 'com.github.hotchemi:permissionsdispatcher:2.1.3'

    annotationProcessor 'com.github.hotchemi:permissionsdispatcher-processor:2.1.3'

    implementation 'com.android.support:support-v4:28.0.0'

}

package com.xiaozhuyisheng.jinjiedemos.activity;

import android.Manifest;

import android.annotation.SuppressLint;

import android.app.AlertDialog;

import android.content.DialogInterface;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.net.Uri;

import android.support.annotation.NonNull;

import android.support.v4.app.ActivityCompat;

import android.view.View;

import android.widget.Toast;

import com.xiaozhuyisheng.jinjiedemos.BaseActivity;

import com.xiaozhuyisheng.jinjiedemos.R;

import permissions.dispatcher.NeedsPermission;

import permissions.dispatcher.OnNeverAskAgain;

import permissions.dispatcher.OnPermissionDenied;

import permissions.dispatcher.OnShowRationale;

import permissions.dispatcher.PermissionRequest;

import permissions.dispatcher.RuntimePermissions;

// 必须的注解，它用来注册一个Activity或Fragment使他们可以处理权限

@RuntimePermissions

public class PermissionDemoActivity extends BaseActivity {

    /**

     * @RuntimePermissions:必须的注解，它用来注册一个Activity或Fragment使它们可以处理权限

     * @NeedsPermission:必须的注解，在需要获取权限的地方注解，用来获取权限

     * @OnShowRationale:提示用户为何要开启权限，在用户选择拒绝后，再次需要访问该权限时调用

     *@OnPermissionDenied:用户选择拒绝时的提示

     * @OnNeverAskAgain:用户选择不再询问后的提示

     */

    @Override

    protected int initLayoutID() {

        return R.layout.activity_permission;

    }

    @Override

    protected void initLogic() {

        // 拨打电话

        findViewById(R.id.btnCall).setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                PermissionDemoActivityPermissionsDispatcher.callWithCheck(PermissionDemoActivity.this);

            }

        });

    }

    @NeedsPermission(Manifest.permission.CALL_PHONE)

        // 在需要获取权限的地方注释

    void call() {

        Intent intent = new Intent(Intent.ACTION_CALL);

        Uri data = Uri.parse("tel:" + "1337196838");

        intent.setData(data);

        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {

            return;

        }

        startActivity(intent);

    }

    // 提示用户为何要开启权限

    @OnShowRationale(Manifest.permission.CALL_PHONE)

   void showWhy(final PermissionRequest request) {

        new AlertDialog.Builder(this)

                .setMessage("拨打电话时需要该权限")

                .setPositiveButton("知道了", new DialogInterface.OnClickListener() {

                    @Override

                    public void onClick(DialogInterface dialogInterface, int i) {

                        // 再次执行权限请求

                        request.proceed();

                    }

                })

                .show();

   }

   // 用户选择拒绝时的提示

   @OnPermissionDenied(Manifest.permission.CALL_PHONE)

   void showDenied() {

       Toast.makeText(this,"用户选择拒绝时的提示",Toast.LENGTH_LONG).show();

   }

   // 用户选择不再询问后的提示

   @OnNeverAskAgain(Manifest.permission.CALL_PHONE)

   void showNotAsk() {

        new AlertDialog.Builder(this)

                .setMessage("该功能需要拨打电话")

                .setPositiveButton("确定", new DialogInterface.OnClickListener() {

                    @Override

                    public void onClick(DialogInterface dialogInterface, int i) {

                    }

                })

                .show();

   }

    @Override

    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {

        super.onRequestPermissionsResult(requestCode, permissions, grantResults);

        PermissionDemoActivityPermissionsDispatcher.onRequestPermissionsResult(this,requestCode,grantResults);

    }

}