/**判断程序是否在后台运行*/
public static boolean isRunBackground(Context context) {
ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
List<RunningAppProcessInfo> appProcesses = activityManager.getRunningAppProcesses();
for (RunningAppProcessInfo appProcess : appProcesses) {
if (appProcess.processName.equals(context.getPackageName())) {
if (appProcess.importance == RunningAppProcessInfo.IMPORTANCE_BACKGROUND) {
//表明程序在后台运行
return true;
}
else {
return false;
}
}
}
return false;
}
/**判断程序是否在前台运行（当前运行的程序）*/
public boolean isRunForeground() {
ActivityManager activityManager = (ActivityManager)getApplicationContext().getSystemService(Context.ACTIVITY_SERVICE);
String packageName = getApplicationContext().getPackageName();
List<RunningAppProcessInfo> appProcesses = activityManager.getRunningAppProcesses();
if (appProcesses == null)
return false;
for (RunningAppProcessInfo appProcess : appProcesses) {
if (appProcess.processName.equals(packageName) && appProcess.importance == RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
return true;//程序运行在前台
}
}
return false;
}