Using switch statement to check the RadioButton selection : Button « UI « Android






  1. Android
  2. UI
  3. Button

Using switch statement to check the RadioButton selection

 
package app.test;

import android.app.Activity;
import android.os.Bundle;
import android.view.Gravity;
import android.widget.LinearLayout;
import android.widget.RadioGroup;

public class Test extends Activity implements
    RadioGroup.OnCheckedChangeListener {
  RadioGroup orientation;
  RadioGroup gravity;

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

    orientation = (RadioGroup) findViewById(R.id.orientation);
    orientation.setOnCheckedChangeListener(this);
    gravity = (RadioGroup) findViewById(R.id.gravity);
    gravity.setOnCheckedChangeListener(this);
  }

  public void onCheckedChanged(RadioGroup group, int checkedId) {
    switch (checkedId) {
    case R.id.horizontal:
      orientation.setOrientation(LinearLayout.HORIZONTAL);
      break;

    case R.id.vertical:
      orientation.setOrientation(LinearLayout.VERTICAL);
      break;

    case R.id.left:
      gravity.setGravity(Gravity.LEFT);
      break;

    case R.id.center:
      gravity.setGravity(Gravity.CENTER_HORIZONTAL);
      break;

    case R.id.right:
      gravity.setGravity(Gravity.RIGHT);
      break;
    }
  }
}

//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"
  >
  <RadioGroup android:id="@+id/orientation"
    android:orientation="horizontal"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:padding="5px">
    <RadioButton
      android:id="@+id/horizontal"
      android:text="horizontal" />
    <RadioButton
      android:id="@+id/vertical"
      android:text="vertical" />
  </RadioGroup>
  <RadioGroup android:id="@+id/gravity"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:padding="5px">
    <RadioButton
      android:id="@+id/left"
      android:text="left" />
    <RadioButton
      android:id="@+id/center"
      android:text="center" />
    <RadioButton
      android:id="@+id/right"
      android:text="right" />
  </RadioGroup>
</LinearLayout>








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