<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent" ><Button    android:id="@+id/button1"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_marginLeft="50dp"    android:layout_marginRight="50dp"    android:text="第一个自定义按钮"    android:textColor="#ff0000" /><Button    android:id="@+id/button2"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:layout_marginTop="100dp"    android:background="#0000ff"    android:fontFamily="宋体"    android:text="第二个中文按钮"    android:textColor="#ffffff" /></RelativeLayout>

import android.annotation.SuppressLint;import android.app.Activity;import android.app.ActionBar.LayoutParams;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.LinearLayout;/** * 简单动态产生按钮，并绑定事件 *  * @author zhongyang * */public class Button_Two extends Activity {    private LinearLayout parentLayout = null;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        // 指定布局面板        createParentLayout();        // 创建按钮        CreateButton();    }    // 产生布局面板    @SuppressLint("NewApi")    private void createParentLayout() {        parentLayout = new LinearLayout(this);        LayoutParams layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT,                LayoutParams.MATCH_PARENT);        parentLayout.setLayoutParams(layoutParams);        setContentView(parentLayout);    }    // 添加按钮并注册事件    @SuppressLint("NewApi")    private void CreateButton() {        Button btnOne = new Button(this);        btnOne.setText("显示其他Activity");        btnOne.setOnClickListener(new btnOneListener());        LayoutParams layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT,                LayoutParams.WRAP_CONTENT);        btnOne.setLayoutParams(layoutParams);        parentLayout.addView(btnOne);    }    // 按钮点击事件方法    class btnOneListener implements View.OnClickListener {        public void onClick(View v) {            Button thisBtn = (Button) v;            thisBtn.setWidth(100);            thisBtn.setText("按钮点击事件触发了");        }    }}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" ><TextView    android:id="@+id/txtOne"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:layout_marginTop="30px"    android:background="#000000"    android:paddingBottom="20px"    android:paddingLeft="20px"    android:paddingTop="20px"    android:text="按钮点击之前"    android:textColor="#ffffff" /><Button    android:id="@+id/btnOne"    android:layout_width="100dp"    android:layout_height="50dp"    android:layout_marginTop="30px"    android:onClick="btnOneClick"    android:text="按钮One"    android:textColor="#00ff00"    android:textSize="20px" /></LinearLayout>

import android.app.Activity;import android.content.res.ColorStateList;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.TextView;/** * 访问布局视图中的按钮并注册事件 * @author zhongyang * */public class ButtonThree extends Activity {    private TextView txtOne = null;    private Button btnOne = null;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        // 设置布局视图，初始化控件        setContentView(R.layout.button_three);        txtOne = (TextView) this.findViewById(R.id.txtOne);        btnOne = (Button) this.findViewById(R.id.btnOne);    }    // 按钮点击事件    public void btnOneClick(View view) {        Button btn = (Button) view;        btn.setTextSize(25);        // 修改TextView的值        txtOne.setText("按钮One触发点击事件");    }}