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ty_splash_time);
tv_time= (TextView) findViewById(R.id.tv_time);
mc=new MyCountDownTimer(5000,1000);
mc.start();//启动倒计时
handler.postDelayed(new Runnable() {
@Override
public void run() {
Intent intent=new Intent(SplashTimeActivity.this,MainActivity.class);
startActivity(intent);
}
},5000);
}
private Handler handler=new Handler();
/**
* 定义一个倒计时的内部类
*/
class MyCountDownTimer extends CountDownTimer {
/**
*
* @param millisInFuture 从开始调用start()到倒计时完成并onfinish()方法被调用的毫秒数
* @param countDownInterval 接收onTick(long)回调的间隔时间
*/
public MyCountDownTimer(long millisInFuture, long countDownInterval) {
super(millisInFuture, countDownInterval);
}
@Override
public void onTick(long l) {
tv_time.setText("倒计时"+l/1000);
}
@Override
public void onFinish() {
tv_time.setText("正在跳转");
}
}
}
xml：
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@mipmap/splasht2"
tools:context="com.msn.zn.splashdemo.SplashTimeActivity">
<TextView
android:id="@+id/tv_time"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="15dp"
android:textSize="20sp"
android:text="闪一下"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />
</RelativeLayout>
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