android 6.0以上动态权限申请

package com.idt.os.gradviewtest;

import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        checkPermissions();


    }

    private void checkPermissions(){

        String[] permissions = {  //需要申请的权限列表
                Manifest.permission.RECORD_AUDIO,
                Manifest.permission.CALL_PHONE,
                Manifest.permission.READ_CONTACTS,
                Manifest.permission.WRITE_EXTERNAL_STORAGE,
                Manifest.permission.SEND_SMS,
        };
        List permissionDeniedList = new ArrayList();
        for (String permission : permissions) {
            int permissionCheck = ContextCompat.checkSelfPermission(this, permission);
            if (permissionCheck != PackageManager.PERMISSION_GRANTED) {
                permissionDeniedList.add(permission);    //加入要申请的权限列表
            }
        }
        if (!permissionDeniedList.isEmpty()) {
            String[] deniedPermissions = permissionDeniedList.toArray(new String[permissionDeniedList.size()]);
            ActivityCompat.requestPermissions(this, deniedPermissions, 1); //请求列表中的权限
        }

    }
}