//MainActivity .javapackage com.example.testwidget;import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;public class MainActivity extends Activity {
/** Called when the activity is first created. */
private Button b1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
b1 = (Button) findViewById(R.id.Button01);
// 响应按键事件
b1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// 显示方式声明Intent,直接启动SecondActivity
Intent intent = new Intent(MainActivity.this,Result.class);
startActivity(intent);
}
});
}
}//**************************************
//result.java
//**************************************/
package com.example.testwidget;import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;public class Result extends Activity {
/** Called when the activity is first created. */
private Button b2;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.result);
b2 = (Button) findViewById(R.id.Button02);
// 响应按键事件
b2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// 显示方式声明Intent,直接启动SecondActivity
Intent intent = new Intent(Result.this,MainActivity.class);
startActivity(intent);
}
});
}
}
/**********
相应的XML文件
**********/<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<Button android:id="@+id/Button01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Second Activity"></Button>
</LinearLayout>//////////////////////////////////////////////////<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent"> <Button android:id="@+id/Button02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="返回"></Button>
</LinearLayout>
为什么我一点击就出现Unfortunately, *** has stop !!!!!!!就关闭了!!感觉程序上是没错的!这是为什么 ?android
LZ 类似FC问题 很好解决 要善于查看adb日志信息 如果是报ClassNotFond 估计就是1L说的
没有在Manifest文件中注册声明你的Result.class