Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (C) 2013 www.418log.org
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.List;

import android.app.ActivityManager;

import android.app.ActivityManager.RunningTaskInfo;

import android.content.ComponentName;
import android.content.Context;

public class Main {
    /**
     * 
     * @return
     */
    public static boolean isRunningForeground(Context mContext) {
        String packageName = mContext.getPackageName();
        String topActivityClassName = getTopActivityName(mContext);
        System.out.println("packageName=" + packageName + ",topActivityClassName=" + topActivityClassName);
        if (packageName != null && topActivityClassName != null && topActivityClassName.startsWith(packageName)) {
            return true;
        } else {
            return false;
        }
    }

    private static String getTopActivityName(Context context) {
        String topActivityClassName = null;
        ActivityManager activityManager = (ActivityManager) (context
                .getSystemService(android.content.Context.ACTIVITY_SERVICE));
        List<RunningTaskInfo> runningTaskInfos = activityManager.getRunningTasks(1);
        if (runningTaskInfos != null) {
            ComponentName f = runningTaskInfos.get(0).topActivity;
            topActivityClassName = f.getClassName();
        }
        return topActivityClassName;
    }
}