多项权限同时申请不停检测-设置界面跳转及返回

package com.cyh.wisdombuddhism.activity;

import android.Manifest;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Color;
import android.net.Uri;
import android.provider.Settings;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Display;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.TextView;

import com.cyh.wisdombuddhism.R;


import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;

public class SplashActivity extends AppCompatActivity implements
        ActivityCompat.OnRequestPermissionsResultCallback{


    /**
     * 需要进行检测的权限数组
     */
    protected String[] needPermissions = {
            Manifest.permission.ACCESS_COARSE_LOCATION,
            Manifest.permission.WRITE_EXTERNAL_STORAGE,
            Manifest.permission.ACCESS_FINE_LOCATION
    };

    private static final int PERMISSON_REQUESTCODE = 0;
    private static final int SETTING_REQUESTCODE = 1;

    /**
     * 判断是否需要检测，防止不停的弹框
     */
    private boolean isNeedCheck = true;

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

    @Override
    protected void onResume() {
        super.onResume();
        if (isNeedCheck) {
            checkPermissions(needPermissions);
        }
    }

    /**
     * @param permissions
     * @since 2.5.0
     */
    private void checkPermissions(String... permissions) {
        List needRequestPermissonList = findDeniedPermissions(permissions);
        if (null != needRequestPermissonList
                && needRequestPermissonList.size() > 0) {
            ActivityCompat.requestPermissions(this,
                    needRequestPermissonList.toArray(
                            new String[needRequestPermissonList.size()]),
                    PERMISSON_REQUESTCODE);
        }else {
            //获取权限后需要执行的操作
            startActivity(new Intent(SplashActivity.this,MainActivity.class));
            finish();
        }
    }

    /**
     * 获取权限集中需要申请权限的列表
     *
     * @param permissions
     * @return
     * @since 2.5.0
     */
    private List findDeniedPermissions(String[] permissions) {
        List needRequestPermissonList = new ArrayList();
        for (String perm : permissions) {
            if (ContextCompat.checkSelfPermission(this,
                    perm) != PackageManager.PERMISSION_GRANTED
                    || ActivityCompat.shouldShowRequestPermissionRationale(
                    this, perm)) {
                needRequestPermissonList.add(perm);
            }
        }
        return needRequestPermissonList;
    }

    /**
     * 检测是否所有的权限都已经授权
     *
     * @param grantResults
     * @return
     * @since 2.5.0
     */
    private boolean verifyPermissions(int[] grantResults) {
        for (int result : grantResults) {
            if (result != PackageManager.PERMISSION_GRANTED) {
                return false;
            }
        }
        return true;
    }

    @Override
    public void onRequestPermissionsResult(int requestCode,
                                           String[] permissions, int[] paramArrayOfInt) {
        if (requestCode == PERMISSON_REQUESTCODE) {
            if (!verifyPermissions(paramArrayOfInt)) {
                showMissingPermissionDialog();
                isNeedCheck = false;
            }
        }
    }

    /**
     * 显示提示信息
     *
     * @since 2.5.0
     */
    private void showMissingPermissionDialog() {
        AlertDialog dialog = new AlertDialog.Builder(this)
                .setTitle("提示")
        .setMessage("当前应用缺少必要权限。\n\n\n"+"请点击\"设置\"-\"权限\"-打开所需权限。")
        // 拒绝, 退出应用
        .setNegativeButton("取消",
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        finish();
                    }
                })
        .setPositiveButton("去设置",
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        startAppSettings();
                    }
                })
        .setCancelable(false)
        .create();
        dialog.show();

        dialog.getButton(AlertDialog.BUTTON_NEGATIVE).setTextColor(getResources().getColor(R.color.lightgrey));
        dialog.getButton(AlertDialog.BUTTON_NEGATIVE).setTextSize(15);
        dialog.getButton(AlertDialog.BUTTON_POSITIVE).setTextColor(getResources().getColor(R.color.appColor));
        dialog.getButton(AlertDialog.BUTTON_POSITIVE).setTextSize(15);
        try {
            Field mAlert = AlertDialog.class.getDeclaredField("mAlert");
            mAlert.setAccessible(true);
            Object mAlertController = mAlert.get(dialog);
            Field mMessage = mAlertController.getClass().getDeclaredField("mMessageView");
            mMessage.setAccessible(true);
            TextView mMessageView = (TextView) mMessage.get(mAlertController);
            mMessageView.setTextColor(Color.BLACK);
            mMessageView.setTextSize(15);
            Field mTitle = mAlertController.getClass().getDeclaredField("mTitleView");
            mTitle.setAccessible(true);
            TextView mTitleView = (TextView) mTitle.get(mAlertController);
            mTitleView.setTextColor(getResources().getColor(R.color.appColor));
            mTitleView.setTextSize(18);
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        }

        //设置setAlertDialogCenter 9.0居中显示
        setAlertDialogCenter(dialog);
    }

    /**
     * //设置setAlertDialogCenter 9.0居中显示
     * @param dialog
     */
    private void setAlertDialogCenter(AlertDialog dialog) {
        //放在show()之后，不然有些属性是没有效果的，比如height和width
        Window dialogWindow = dialog.getWindow();
        WindowManager m = getWindowManager();
        Display d = m.getDefaultDisplay(); // 获取屏幕宽、高
        WindowManager.LayoutParams p = dialogWindow.getAttributes(); // 获取对话框当前的参数值
        // 设置宽度
        p.width = (int) (d.getWidth() * 0.95); // 宽度设置为屏幕的0.95
        p.gravity = Gravity.CENTER;//设置位置
        //p.alpha = 0.8f;//设置透明度
        dialogWindow.setAttributes(p);
    }

    /**
     * 启动应用的设置
     *
     * @since 2.5.0
     */
    private void startAppSettings() {
        Intent intent = new Intent(
                Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
        intent.setData(Uri.parse("package:" + getPackageName()));
        startActivityForResult(intent, SETTING_REQUESTCODE);
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            this.finish();
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == SETTING_REQUESTCODE) {
            checkPermissions(needPermissions);
        }
    }
}

参考文章：https://www.jb51.net/article/144760.htm