Der Vortrag „Android Listener - Introduction“ von Mark Lassoff ist Bestandteil des Kurses „Android Development for Beginners“. Der Vortrag ist dabei in folgende Kapitel unterteilt:
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... Write the necessary code to give each button a local reference via findElementById(). Give the text view a local reference as well. 4. On the button labeled “Inner Class” create a listener and call back function via an inner class as demonstrated in the video lecture. When the button is clicked, the words “Listener via Inner Class” should appear in the TextView. 5. On the button labeled “Interface” create a listener and call back function via an interface as demonstrated in the video lecture. When the button is clicked, the words “Listener via Interface” should appear in the TextView. Don’t forget to ...