android_mobile_linkdiay/app/src/main/java/com/linkdialy/mobile/kuyicloud/SplashActivity.java

package com.linkdialy.mobile.kuyicloud;

import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.os.CountDownTimer;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.WindowManager;


public class SplashActivity extends AppCompatActivity {
    private DownTimer downTimer;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
        if ((getIntent().getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) {
            finish();
            return;
        }
        setContentView(R.layout.activity_splash);
        downTimer = new DownTimer(3 * 1000, 1000);//设置广告时间
        downTimer.start();
    }

    /**
     * 倒计时
     */
    private class DownTimer extends CountDownTimer {

        public DownTimer(long millisInFuture, long countDownInterval) {
            super(millisInFuture, countDownInterval);
        }

        @Override
        public void onTick(long millisUntilFinished) {
        }

        @Override
        public void onFinish() {
            Intent intent = new Intent(SplashActivity.this, SystemWebViewActivity.class);
            startActivity(intent);
            finish();
            downTimer.cancel();

        }
    }
}