Aaron Liew's Blog

Blog about Android Development

Android App: Interaction Between Two Activities

First of all, user will insert text into the textbox and press the ‘send’ button. In MainActivity class, the ‘intent’ object store the values. Next, the DisplayMessageActivity will display the message which is inserted by the user. In order to have clearer picture on the operation of Android app and interactions between classes, I have created the charts as shown below.

The result is shown in figure below.