AppStatusUtils.java

package com.example.shang.dagger2demo;

import android.app.ActivityManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.util.Log;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by admin on 2018/3/22.
 */
public class AppStatusUtils {

    private static final String TAG = "AppStatusUtils";

    /**
     * 方法描述：判断某一应用是否正在运行
     *
     * @param context
     *            上下文
     * @param packageName
     *            应用的包名
     * @return true 表示正在运行，false表示没有运行
     */
    public static boolean isAppRunning(Context context, String packageName) {
        ActivityManager am = (ActivityManager) context
                .getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningTaskInfo> list = am.getRunningTasks(100);
        if (list.size() <= 0) {
            return false;
        }
        for (ActivityManager.RunningTaskInfo info : list) {
            if (info.baseActivity.getPackageName().equals(packageName)) {
                return true;
            }
        }
        return false;
    }

    /**
     * 方法描述：判断某一Service是否正在运行
     *
     * @param context
     *            上下文
     * @param serviceName
     *            Service的全路径： 包名 + service的类名
     * @return true 表示正在运行，false 表示没有运行
     */
    public static boolean isServiceRunning(Context context, String serviceName) {
        ActivityManager am = (ActivityManager) context
                .getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningServiceInfo> runningServiceInfos = am
                .getRunningServices(200);
        if (runningServiceInfos.size() <= 0) {
            return false;
        }
        for (ActivityManager.RunningServiceInfo serviceInfo : runningServiceInfos) {
            if (serviceInfo.service.getClassName().equals(serviceName)) {
                return true;
            }
        }
        return false;
    }

    /**
     * 返回app运行状态 1:程序在前台运行 2:程序在后台运行 3:程序未启动 注意：需要配置权限<uses-permission
     * android:name="android.permission.GET_TASKS" />
     */
    public static int getAppSatus(Context context, String pageName) {

        ActivityManager am = (ActivityManager) context
                .getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningTaskInfo> list = am.getRunningTasks(20);

        // 判断程序是否在栈顶
        if (list.get(0).topActivity.getPackageName().equals(pageName)) {
            return 1;
        } else {
            // 判断程序是否在栈里
            for (ActivityManager.RunningTaskInfo info : list) {
                if (info.topActivity.getPackageName().equals(pageName)) {
                    return 2;
                }
            }
            return 3;// 栈里找不到，返回3
        }
    }

    // 是否是前台进程
    public static boolean isForeground(Context context, String packageName) {
        if (context != null) {
            ActivityManager activityManager = (ActivityManager) context
                    .getSystemService(Context.ACTIVITY_SERVICE);
            List<ActivityManager.RunningAppProcessInfo> processes = activityManager
                    .getRunningAppProcesses();
            for (ActivityManager.RunningAppProcessInfo processInfo : processes) {
                if (processInfo.processName.equals(packageName)) {
                    if (processInfo.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
                        return true;
                    }
                }
            }
        }
        return false;
    }

    // 通过adb ps |grep来查看某个包名的运行状态 ,这个才是最好用的，前面的都判断不准,而且在android5.0之后就不能申请到GET_TASKS权限
    public static boolean isRunningByadb(String packageName) throws IOException {

        List<String> list = ShellUtil.getShellOut2(ShellUtil
                .shell("ps |grep "+packageName));

        for (int i = 0; i < list.size(); i++) {
            String hang = list.get(i);
            String[] hangStr = hang.split(" ");
            int size = hangStr.length;
            // 判断是目标包名的那一行
            if (hangStr[size - 1].equals(packageName)) {
                String status = hangStr[size - 2];
                Log.i(TAG, "run: status -- " + status);
                if ("R".equals(status)) {
                    Log.i(TAG, "run: 当前是运行状态");
                    return true;
                } else if ("S".equals(status)) {
                    Log.i(TAG, "run: 当前是停止状态");
                    return false;
                } else {
                    Log.i(TAG, "run: 当前状态未知 -- " + status);
                    return false;
                }
            }
        }
        return false;
    }

    /**
     * 获得属于桌面的应用的应用包名称
     *
     * @return 返回包含所有包名的字符串列表
     */
    public static List<String> getHomes(Context context) {
        List<String> names = new ArrayList<String>();
        PackageManager packageManager = context.getPackageManager();
        Intent intent = new Intent(Intent.ACTION_MAIN);
        intent.addCategory(Intent.CATEGORY_HOME);
        List<ResolveInfo> resolveInfos = packageManager.queryIntentActivities(intent,
                PackageManager.MATCH_DEFAULT_ONLY);
        for (ResolveInfo resolveInfo : resolveInfos) {
            names.add(resolveInfo.activityInfo.packageName);
        }
        return names;
    }

    /**
     * 判断当前界面是否是桌面
     */
    public static boolean isHome(Context context) {
        ActivityManager mActivityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningTaskInfo> rti = mActivityManager.getRunningTasks(1);
        return getHomes(context).contains(rti.get(0).topActivity.getPackageName());
    }

    /**
     *  通过adb判断当前是否是桌面
     * @param context
     * @return
     */
    public static boolean isHomeByAdb(Context context){
        try {
            // 获取当前屏幕的焦点   mCurrentFocus=Window{55910ce u0 com.miui.home/com.miui.home.launcher.Launcher}
            // 没有root权限使用adb shell
            // List<String> list = ShellUtil.getShellOut2(ShellUtil.shell("dumpsys window | grep mCurrentFocus"));
            String res = ShellUtil.performSuCommandAndGetRes("dumpsys window | grep mCurrentFocus");
            if (res!=null){
                List<String> names = getHomes(context);
                for (String name:names){
                    if(res.contains(name)){
                        return true;
                    }
                }
            }
        } catch (InterruptedException e) {
            e.printStackTrace();
            Log.i(TAG, "isHomeByAdb: error -- ",e);
        }
        return false;
    }


}