设置文字5秒跳转

转载于 2017-11-06 23:53:00 发布 · 118 阅读

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原文链接：https://my.oschina.net/u/3705875/blog/1563472

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#移动开发 #python

2019独角兽企业重金招聘Python工程师标准>>>

package com.example.myapplication;

import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private int a = 5;
    private TextView text;
    private Handler handler = new Handler();
    private Runnable runnable = new Runnable() {
        @Override
        public void run() {
            a--;
            text.setText(a+"");
            if(a==0){
                Intent intent = new Intent(MainActivity.this,HomeActivity.class);
                startActivity(intent);
            }else{
                handler.postDelayed(runnable,1000);
            }

        }
    };

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


        text = (TextView) findViewById(R.id.tv_text);

        handler.postDelayed(runnable,1000);



    }
}

转载于:https://my.oschina.net/u/3705875/blog/1563472