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);
}
}