复制代码 代码如下:

package com.test;

import android.app.Activity;

import android.os.Bundle;

//import android.view.View;

import android.widget.Button;

import android.widget.LinearLayout;

//import android.widget.Toast;

public class Test_javaActivity extends Activity {

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

LinearLayout layout = new LinearLayout(this);

// layout.setOrientation(LinearLayout.VERTICAL);

Button button = new Button(this);

button.setText("Click Me");

button.setLayoutParams(new LinearLayout.LayoutParams(

LinearLayout.LayoutParams.FILL_PARENT,

LinearLayout.LayoutParams.WRAP_CONTENT));

/** button.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

Toast.makeText(Test_javaActivity.this, "Button Clicked",

Toast.LENGTH_LONG).show();

}

});

*/

layout.addView(button);

setContentView(layout);

}

}