To perform a page refresh in Android Kotlin after the API has been updated, you can use the following methods:
a. Add SwipeRefreshLayout to your layout XML file enclosing your RecyclerView or ListView.
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout
android:id="@+id/swipeRefreshLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:id="@+id/listView"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
b. In your activity or fragment, initialize the SwipeRefreshLayout and add a listener to it.
val swipeRefreshLayout = findViewById<SwipeRefreshLayout>(R.id.swipeRefreshLayout)
swipeRefreshLayout.setOnRefreshListener {
// call your API or update your data here
// after updating your data, call the adapter.notifyDataSetChanged() method
swipeRefreshLayout.isRefreshing = false // stop the refresh animation
}
a. In your activity or fragment, create a Handler object and override its handleMessage() method to handle the refresh action.
val handler = Handler(Looper.getMainLooper()) {
// call your API or update your data here
// after updating your data, call the adapter.notifyDataSetChanged() method
true
}
b. When you want to trigger the refresh action, send a message to the Handler.
handler.sendEmptyMessage(0)
Note: In both cases, after updating your data, you need to call the adapter.notifyDataSetChanged() method to refresh your RecyclerView or ListView.
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Asked: 2023-06-17 07:48:23 +0000
Seen: 12 times
Last updated: Jun 17 '23
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