第三次冲刺

package com.example.dasd;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.widget.Button;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button bt1=(Button)findViewById(R.id.button1);
        Button bt2=(Button)findViewById(R.id.button2);
        Button bt3=(Button)findViewById(R.id.button3);
        Button bt4=(Button)findViewById(R.id.button4);
        bt1.setOnClickListener(new View.OnClickListener() {
            
            @Override
            public void onClick(View arg0) {
                //编写按钮点击响应事件处理
                Intent intent=new Intent();
                intent.setClass(MainActivity.this, tt.class);
                startActivity(intent);
                MainActivity.this.finish();

            }
        });
        bt2.setOnClickListener(new View.OnClickListener() {
            
            @Override
            public void onClick(View arg0) {
                //编写按钮点击响应事件处理
                Intent intent=new Intent();
                intent.setClass(MainActivity.this, three.class);
                startActivity(intent);
                MainActivity.this.finish();

            }
        });
        bt3.setOnClickListener(new View.OnClickListener() {
            
            @Override
            public void onClick(View arg0) {
                //编写按钮点击响应事件处理
                Intent intent=new Intent();
                intent.setClass(MainActivity.this, four.class);
                startActivity(intent);
                MainActivity.this.finish();

            }
        });
        bt4.setOnClickListener(new View.OnClickListener() {
            
            @Override
            public void onClick(View arg0) {
                //编写按钮点击响应事件处理
                MainActivity.this.finish();

            }
        });
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
    
}