Set Button width and height

 

package app.test;

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

public class Test extends Activity {
  @Override
  public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.main);

    final Button button = (Button) findViewById(R.id.testButton);

    final Button changeButton = (Button) findViewById(R.id.layoutButton);
    changeButton.setOnClickListener(new Button.OnClickListener() {
      public void onClick(View v) {
        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);
  }
}
//main.xml

<?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>

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Set Button width and height : Button « UI « Android

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