package com.sucstepsoft.txrealtimelocation;

import android.app.Activity;
import android.content.Context;

import com.sucstepsoft.txrealtimelocation.activitys.base.SinglePixelActivity;

import java.lang.ref.WeakReference;

/**
 * 作者: Adam
 * 日期: 2019/6/25 - 09:21
 * 邮箱: itgaojian@163.com
 * 描述: 保活方案之一:添加一个像素的activity到前台
 */
public class ScreenManager {
    private Context mContext;
    private WeakReference<Activity> mActivityWref;
    public static ScreenManager gDefualt;

    public static ScreenManager getInstance(Context pContext) {
        synchronized (ScreenManager.class) {
            if (gDefualt == null) {
                gDefualt = new ScreenManager(pContext.getApplicationContext());
            }
            return gDefualt;
        }
    }

    private ScreenManager(Context pContext) {
        this.mContext = pContext;
    }

    public void setActivity(Activity pActivity) {
        mActivityWref = new WeakReference<Activity>(pActivity);
    }

    public void startActivity() {
        SinglePixelActivity.actionToSinglePixelActivity(mContext);
    }

    public void finishActivity() {
        //结束掉SinglePixelActivity
        if (mActivityWref != null) {
            Activity activity = mActivityWref.get();
            if (activity != null) {
                activity.finish();
            }
        }
    }
}