Clear RadioButton selection : Button « UI « Android






Clear RadioButton selection

 


package app.test;

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

public class Test extends Activity implements View.OnClickListener {
    private RadioGroup mRadioGroup;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        setTitle("RadioGroupActivity");
        mRadioGroup = (RadioGroup) findViewById(R.id.menu);
        Button clearButton = (Button) findViewById(R.id.clear);
        clearButton.setOnClickListener(this);
    }

 

    public void onClick(View v) {
        mRadioGroup.clearCheck();
    }
}
//main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical">
    <RadioGroup
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:checkedButton="@+id/lunch"
        android:id="@+id/menu">
        <RadioButton
            android:text="breakfast"
            android:id="@+id/breakfast"
            />
        <RadioButton
            android:text="lunch"
            android:id="@id/lunch" />
        <RadioButton
            android:text="dinner"
            android:id="@+id/dinner" />
        <RadioButton
            android:text="all"
            android:id="@+id/all" />
    </RadioGroup>
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Clear"
        android:id="@+id/clear" />
</LinearLayout>

   
  








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