DeviceUtil.java

package com.chudiangameplay.android.util;

import android.app.Activity;
import android.app.AppOpsManager;
import android.app.NotificationManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.provider.Settings;
import android.telephony.TelephonyManager;
import android.view.WindowManager;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

/**
 * Created by Administrator on 2018/8/15.
 * 设备工具类
 */

public class DeviceUtil {

    /**
     * 获取手机mac地址
     *
     * @param context
     * @return
     */
    public static String getMacAddress(Context context) {
        String result = "";
        WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
        WifiInfo wifiInfo = wifiManager.getConnectionInfo();
        result = wifiInfo.getMacAddress();
        return result;
    }

    /**
     * 获取手机的IMEI
     *
     * @param context
     * @return
     */
    public static String getIMEI(Context context) {
        String imei = "";
        TelephonyManager mTm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        try {
            imei = mTm.getDeviceId();
            return imei;
        } catch (Exception e) {
            return imei;
        }
    }

    public static long getInstallTime(Context context)
    {
        long firstInstallTime = 0;
        try {
            PackageManager packageManager = context.getPackageManager();
            PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
            //应用装时间
            firstInstallTime = packageInfo.firstInstallTime;
            //应用最后一次更新时间
            long lastUpdateTime = packageInfo.lastUpdateTime;
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        return firstInstallTime;
    }

    /**
     * 获取屏幕分辨率
     *
     * @param context
     * @return
     */
    public static int[] getScreenDispaly(Context context) {
        WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        int width = windowManager.getDefaultDisplay().getWidth();// 手机屏幕的宽度
        int height = windowManager.getDefaultDisplay().getHeight();// 手机屏幕的高度
        int result[] = {width, height};
        return result;
    }

    /**
     * 获取当前手机系统版本号
     *
     * @return  系统版本号
     */
    public static String getSystemVersion() {
        return android.os.Build.VERSION.RELEASE;
    }

    /**
     * 获取手机型号
     *
     * @return  手机型号
     */
    public static String getSystemModel() {
        return android.os.Build.MODEL;
    }

    /**
     * 获取手机厂商
     *
     * @return  手机厂商
     */
    public static String getDeviceBrand() {
        return android.os.Build.BRAND;
    }


    private static final String CHECK_OP_NO_THROW = "checkOpNoThrow";
    private static final String OP_POST_NOTIFICATION = "OP_POST_NOTIFICATION";

    public static boolean isNotificationEnabled(Context context) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            return isEnableV26(context);
        } else {
            return isEnableV19(context);
        }
    }

    /**
     * Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
     * 19及以上
     *
     * @param context
     * @return
     */
    public static boolean isEnableV19(Context context) {
        AppOpsManager mAppOps = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
        ApplicationInfo appInfo = context.getApplicationInfo();
        String pkg = context.getApplicationContext().getPackageName();
        int uid = appInfo.uid;

        Class appOpsClass;
        try {
            appOpsClass = Class.forName(AppOpsManager.class.getName());
            Method checkOpNoThrowMethod = appOpsClass.getMethod(CHECK_OP_NO_THROW, Integer.TYPE, Integer.TYPE,
                    String.class);
            Field opPostNotificationValue = appOpsClass.getDeclaredField(OP_POST_NOTIFICATION);

            int value = (Integer) opPostNotificationValue.get(Integer.class);
            return ((Integer) checkOpNoThrowMethod.invoke(mAppOps, value, uid, pkg) == AppOpsManager.MODE_ALLOWED);

        } catch (Exception e) {
        }
        return false;
    }

    /**
     * Build.VERSION.SDK_INT >= Build.VERSION_CODES.O
     * 针对8.0及以上设备
     *
     * @param context
     * @return
     */
    public static boolean isEnableV26(Context context) {
        try {
            NotificationManager notificationManager = (NotificationManager)
                    context.getSystemService(Context.NOTIFICATION_SERVICE);
            Method sServiceField = notificationManager.getClass().getDeclaredMethod("getService");
            sServiceField.setAccessible(true);
            Object sService = sServiceField.invoke(notificationManager);

            ApplicationInfo appInfo = context.getApplicationInfo();
            String pkg = context.getApplicationContext().getPackageName();
            int uid = appInfo.uid;

            Method method = sService.getClass().getDeclaredMethod("areNotificationsEnabledForPackage"
                    , String.class, Integer.TYPE);
            method.setAccessible(true);
            return (boolean) method.invoke(sService, pkg, uid);
        } catch (Exception e) {
        }
        return false;
    }

    public static void gotoNotificationSetting(Activity activity) {
        ApplicationInfo appInfo = activity.getApplicationInfo();
        String pkg = activity.getApplicationContext().getPackageName();
        int uid = appInfo.uid;
        try {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                Intent intent = new Intent();
                intent.setAction(Settings.ACTION_APP_NOTIFICATION_SETTINGS);
                //这种方案适用于 API 26, 即8.0（含8.0）以上可以用
                intent.putExtra(Settings.EXTRA_APP_PACKAGE, pkg);
                intent.putExtra(Settings.EXTRA_CHANNEL_ID, uid);
                //这种方案适用于 API21——25，即 5.0——7.1 之间的版本可以使用
                intent.putExtra("app_package", pkg);
                intent.putExtra("app_uid", uid);
                activity.startActivity(intent);
            } else if (Build.VERSION.SDK_INT == Build.VERSION_CODES.KITKAT) {
                Intent intent = new Intent();
                intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
                intent.addCategory(Intent.CATEGORY_DEFAULT);
                intent.setData(Uri.parse("package:" + activity.getPackageName()));
                activity.startActivity(intent);
            } else {
                Intent intent = new Intent(Settings.ACTION_SETTINGS);
                activity.startActivity(intent);
            }
        } catch (Exception e) {
            Intent intent = new Intent(Settings.ACTION_SETTINGS);
            activity.startActivity(intent);
        }
    }


}