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TempConverter Example

Goal:

• Convert a Celsius Temperature to Fahrenheit using three different methods to set up the button event handler.

Directions:

• Create an Android Studio project with the name TempConverter.
  
  1. Method 1: Define an onClick property in the Button widget.
     Use these layout and Java activity files:
         activity_main.xml   MainActivity.java
  2. Method 2: Define a private OnClickListener class for the event handler.
     Replace the layout and Java activity files with these files:
         activity_main.xml   MainActivity.java
  3. Method 3: Use a private anonymous class to define the event handler.
     Use the same layout file; use this Java activity file:
         MainActivity.java
  4. Method 4: Pass a lambda function click handler to the convert.setOnClickListener method.
     Use the same layout file; use this Java activity file:
         MainActivity.java