AppTaskUtil.java

package com.sxjs.common.util;

import android.app.ActivityManager;
import android.content.ComponentName;
import android.content.Context;

import java.util.List;

/**
 * @author：admin on 2017/4/11 18:59.
 */

public class AppTaskUtil {
    /**
     *判断当前应用程序处于前台还是后台
     */
    public static boolean isApplicationBroughtToBackground(final Context context) {
        ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningTaskInfo> tasks = am.getRunningTasks(1);
        if (!tasks.isEmpty()) {
            ComponentName topActivity = tasks.get(0).topActivity;
            if (!topActivity.getPackageName().equals(context.getPackageName())) {
                return true;
            }
        }
        return false;
    }
}