Android——API23以上需要的动态权限

package com.example.pelon.ppp;

/**
 * Created by PeLon on 2017/12/21.
 */

/**
 *
 */


import android.Manifest;
import android.annotation.TargetApi;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.provider.Settings;
import android.support.v7.app.AppCompatActivity;
import android.view.KeyEvent;

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

/**
 * 继承了Activity，实现Android6.0的运行时权限检测
 * 需要进行运行时权限检测的Activity可以继承这个类
 *
 * @创建时间：2016年5月27日 下午3:01:31
 * @项目名称： AMapLocationDemo
 * @author hongming.wang
 * @文件名称：PermissionsChecker.java
 * @类型名称：PermissionsChecker
 * @since 2.5.0
 */
public class CheckPermissionsActivity extends AppCompatActivity {
    /**
     * 需要进行检测的权限数组
     */
    protected String[] needPermissions = {
            Manifest.permission.ACCESS_COARSE_LOCATION,
            Manifest.permission.ACCESS_FINE_LOCATION,
            Manifest.permission.WRITE_EXTERNAL_STORAGE,
            Manifest.permission.READ_EXTERNAL_STORAGE,
            Manifest.permission.READ_PHONE_STATE
    };

    private static final int PERMISSON_REQUESTCODE = 0;

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

    @Override
    protected void onResume() {
        super.onResume();
        if (Build.VERSION.SDK_INT >= 23
                && getApplicationInfo().targetSdkVersion >= 23) {
            if (isNeedCheck) {
                checkPermissions(needPermissions);
            }
        }
    }

    /**
     *
     * @param permissions
     * @since 2.5.0
     *
     */
    private void checkPermissions(String... permissions) {
        try {
            if (Build.VERSION.SDK_INT >= 23
                    && getApplicationInfo().targetSdkVersion >= 23) {
                List needRequestPermissonList = findDeniedPermissions(permissions);
                if (null != needRequestPermissonList
                        && needRequestPermissonList.size() > 0) {
                    String[] array = needRequestPermissonList.toArray(new String[needRequestPermissonList.size()]);
                    Method method = getClass().getMethod("requestPermissions", new Class[]{String[].class,
                            int.class});

                    method.invoke(this, array, PERMISSON_REQUESTCODE);
                }
            }
        } catch (Throwable e) {
        }
    }

    /**
     * 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();
        if (Build.VERSION.SDK_INT >= 23
                && getApplicationInfo().targetSdkVersion >= 23){
            try {
                for (String perm : permissions) {
                    Method checkSelfMethod = getClass().getMethod("checkSelfPermission", String.class);
                    Method shouldShowRequestPermissionRationaleMethod = getClass().getMethod("shouldShowRequestPermissionRationale",
                            String.class);
                    if ((Integer)checkSelfMethod.invoke(this, perm) != PackageManager.PERMISSION_GRANTED
                            || (Boolean)shouldShowRequestPermissionRationaleMethod.invoke(this, perm)) {
                        needRequestPermissonList.add(perm);
                    }
                }
            } catch (Throwable e) {

            }
        }
        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;
    }

    @TargetApi(23)
    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.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle(R.string.notifyTitle);
        builder.setMessage(R.string.notifyMsg);

        // 拒绝, 退出应用
        builder.setNegativeButton(R.string.cancel,
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        finish();
                    }
                });

        builder.setPositiveButton(R.string.setting,
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        startAppSettings();
                    }
                });

        builder.setCancelable(false);

        builder.show();
    }

    /**
     *  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()));
        startActivity(intent);
    }

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

}

<string name="notifyTitle">提示string>
    <string name="notifyMsg">当前应用缺少必要权限。\n\n请点击\"设置\"-\"权限\"-打开所需权限。string>
    <string name="setting">设置string>
    <string name="cancel">取消string>