获取正在运行的进程
public boolean isAppOnForeground() {/** 获取系统全局状态. */ActivityManager mActManager = (ActivityManager) this.getSystemService(Context.ACTIVITY_SERVICE);/** 获得系统正在运行的进程. */List<RunningAppProcessInfo> mAllSysAppProcesses = mActManager.getRunningAppProcesses();if (mAllSysAppProcesses == null) {return false;}for (RunningAppProcessInfo appProcess : mAllSysAppProcesses) {Log.i("tag", appProcess.processName);if (appProcess.processName.equals("com.jjdd")&& appProcess.importance == RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {return true;}}return false;}