Button的使用(十二):改变按钮的高度和字体颜色

package com.example.androidtest;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.graphics.Color;
import android.widget.Button;

public class MainActivity extends Activity  {

public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

final Button button = (Button)findViewById(R.id.testButton);
final Button chageButton = (Button)findViewById(R.id.layoutButton);
chageButton.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
changeOption(button);
}
});

final Button changeButton2 = (Button)findViewById(R.id.textColorButton);
changeButton2.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
changeOption2(button);
}
});
}

public void changeOption(Button button)
{
if (button.getHeight() == 100) {
button.setHeight(30);
} else {
button.setHeight(100);
}
}

public void changeOption2(Button button)
{
button.setTextColor(Color.RED);
}
}

<?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/testButton"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="This is the test Button"/>
<Button android:id="@+id/layoutButton"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Change Layout"/>
<Button android:id="@+id/textColorButton"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Change Text Color"/>
</LinearLayout>