代码在下面:
package com.example.ex03_099;
import android.os.Bundle;import android.app.Activity;import android.content.Intent; import android.view.View; import android.widget.Button; public class EX03_099 extends Activity { private Button b1=null; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); b1 = (Button) findViewById(R.id.button1); b1.setOnClickListener(new Button.OnClickListener() { public void onClick(View v) { Intent intent = new Intent(); intent.setClass(EX03_099.this, Ex03_099_01.class); startActivity(intent); EX03_099.this.finish(); } }); } }
package com.example.ex03_099;
import android.os.Bundle;import android.app.Activity;import android.content.Intent; import android.view.View; import android.widget.Button; public class Ex03_099_01 extends Activity { private Button b2=null; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.mylayout); b2 = (Button) findViewById(R.id.button2); b2.setOnClickListener(new Button.OnClickListener() { public void onClick(View v) { /* new一个Intent对象,并指定要启动的class */ Intent intent = new Intent(); intent.setClass(Ex03_099_01.this, EX03_099.class); startActivity(intent); Ex03_099_01.this.finish(); } }); } }
LogCat是这样显示的:
第一个打开了 改了上面注释的地方 但是现在第二个页面又打不开了。。能帮我解决下吗?
你第二个name=“ . EX03_099_01” E前面少了个点啊
额 我注册了 还是没用