Is CheckBox selected : CheckBox « UI « Android

1. Android
2. UI
3. CheckBox

Is CheckBox selected

 
package app.test;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.Toast;
import android.widget.ToggleButton;

public class Test extends Activity {
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    Button btnOpen = (Button) findViewById(R.id.btnOpen);
    btnOpen.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        String str = "You have clicked the Open button";
        DisplayToast(str);
      }
    });
    Button btnSave = (Button) findViewById(R.id.btnSave);
    btnSave.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        DisplayToast("You have clicked the Save button");
      }
    });
    CheckBox checkBox = (CheckBox) findViewById(R.id.chkAutosave);
    checkBox.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        if (((CheckBox) v).isChecked())
          DisplayToast("CheckBox is checked");
        else
          DisplayToast("CheckBox is unchecked");
      }
    });
    RadioGroup radioGroup = (RadioGroup) findViewById(R.id.rdbGp1);
    radioGroup.setOnCheckedChangeListener(new OnCheckedChangeListener() {
      public void onCheckedChanged(RadioGroup group, int checkedId) {
        RadioButton rb1 = (RadioButton) findViewById(R.id.rdb1);
        if (rb1.isChecked()) {
          DisplayToast("Option 1 checked!");
        } else {
          DisplayToast("Option 2 checked!");
        }
      }
    });
    ToggleButton toggleButton = (ToggleButton) findViewById(R.id.toggle1);
    toggleButton.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        if (((ToggleButton) v).isChecked())
          DisplayToast("Toggle button is On");
        else
          DisplayToast("Toggle button is Off");
      }
    });
  }
  private void DisplayToast(String msg) {
    Toast.makeText(getBaseContext(), msg, Toast.LENGTH_SHORT).show();
  }
}

//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">
    
<TextView  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="@string/hello"    
    />    
    
    <Button android:id="@+id/btnSave"
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content"
        android:text="Save" />
        
    <Button android:id="@+id/btnOpen"
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content"
        android:text="Open" />
                
    <ImageButton android:id="@+id/btnImg1"
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content"        
        android:src="@drawable/icon" />
        
    <EditText android:id="@+id/txtName"
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content" />
        
    <CheckBox android:id="@+id/chkAutosave"
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content"
        android:text="Autosave" />
          
    <CheckBox android:id="@+id/star" 
        style="?android:attr/starStyle" 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content" />                     
 
    <RadioGroup android:id="@+id/rdbGp1"
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content" 
        android:orientation="horizontal" >                       
        <RadioButton android:id="@+id/rdb1"
            android:layout_width="wrap_content" 
            android:layout_height="wrap_content"
            android:text="Option 1" />            
        <RadioButton android:id="@+id/rdb2"
            android:layout_width="wrap_content" 
            android:layout_height="wrap_content"        
            android:text="Option 2" />   
    </RadioGroup>
     
    <ToggleButton android:id="@+id/toggle1" 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content" /> 
</LinearLayout>

   
  

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