Import .activity_main.*Ĭlass MainActivity : AppCompatActivity(), View. In this example we create two Fragments and load them on the click of Buttonâs. Define ImageButton Click Event in XML Layout File We can define click event handler for button by adding android:onClick attribute to the element in our XML layout file. Fragment Example 1 In Android Studio: Below is the example of Fragmentâs.In this class, we also create a Button programmatically (button4), define its properties and set it on the layout. In android, we can define button click event in two ways either in XML layout file or create it in Activity file programmatically. In this class, we implement the setOnClickListener listener on the button, implements the OnClickListener of View class ( View.OnClickListener) and override its function onClick. To use any view from layout to activity by using its id property. navcontroller navigate to fragment code android. Add the following code in the MainActivity.kt class. In the Welcome to Android Studio dialog, select Import project (Eclipse ADT, Gradle, etc.
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