java data types
https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html
boolean: true and false
public void decrement(View view){ quantity = quantity - 1; displayQuantity(quantity); } public void submitOrder(View view){ int price = calculatePrice(); log.v("MainActivity", "The price is " + price); String priceMessage = createOrderSummary(price); displayMessage(priceMessage); }
public void decrement(View view){ quantity = quantity - 1; displayQuantity(quantity); } public void submitOrder(View view){ CheckBox = whippedCreamCheckBox = (CheckBox) findViewById(R.id.whipped_cream_checkbox); int price = calculatePrice(); String priceMessage = createOrderSummary(price); displayMessage(priceMEssage); }
checkbox
public class MyActivity extends Activity { protected void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.content_layout_id); final CheckBox checkBox = (CheckBox) findViewById(R.id.checkbox_id); if (checkBox.isChecked()) { checkBox.setChecked(false); } } }