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Android CheckBox ExampleAndroid CheckBox is a type of two state button either checked or unchecked. There can be a lot of usage of checkboxes. For example, it can be used to know the hobby of the user, activate/deactivate the specific action etc. Android CheckBox class is the subclass of CompoundButton class. Android CheckBox classThe android.widget.CheckBox class provides the facility of creating the CheckBoxes. Methods of CheckBox classThere are many inherited methods of View, TextView, and Button classes in the CheckBox class. Some of them are as follows:
Android CheckBox Exampleactivity_main.xmlDrag the three checkboxes and one button for the layout. Now the activity_main.xml file will look like this: File: activity_main.xml
Activity classLet's write the code to check which toggle button is ON/OFF. File: MainActivity.java
package example.TheDeveloperBlog.com.checkbox; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.CheckBox; import android.widget.Toast; public class MainActivity extends AppCompatActivity { CheckBox pizza,coffe,burger; Button buttonOrder; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); addListenerOnButtonClick(); } public void addListenerOnButtonClick(){ //Getting instance of CheckBoxes and Button from the activty_main.xml file pizza=(CheckBox)findViewById(R.id.checkBox); coffe=(CheckBox)findViewById(R.id.checkBox2); burger=(CheckBox)findViewById(R.id.checkBox3); buttonOrder=(Button)findViewById(R.id.button); //Applying the Listener on the Button click buttonOrder.setOnClickListener(new View.OnClickListener(){ @Override public void onClick(View view) { int totalamount=0; StringBuilder result=new StringBuilder(); result.append("Selected Items:"); if(pizza.isChecked()){ result.append("\nPizza 100Rs"); totalamount+=100; } if(coffe.isChecked()){ result.append("\nCoffe 50Rs"); totalamount+=50; } if(burger.isChecked()){ result.append("\nBurger 120Rs"); totalamount+=120; } result.append("\nTotal: "+totalamount+"Rs"); //Displaying the message on the toast Toast.makeText(getApplicationContext(), result.toString(), Toast.LENGTH_LONG).show(); } }); } } Output:
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