android启动界面开屏广告

package s1.ppp.com;

import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.view.WindowManager;

public class StartActivity extends AppCompatActivity {


    //向主进程发送消息的句柄
    private Handler handler = new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            next();
        }
    };

    /**
     * 自定义方法
     * 启动登录界面
     */
    private void next() {
        Intent intent = new Intent(this,LoginActivity.class);
        startActivity(intent);
        finish();
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_start);



        //去掉状态栏
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);

        //延时3秒发送一个消息给主进程,让主进程执行next()方法
        handler.postDelayed(new Runnable() {
            @Override
            public void run() {
                handler.sendEmptyMessage(0);

            }
        }, 4000);




    }
}

布局文件