Sunday, February 25, 2018

android kotlin - SwipeRefreshLayout example

MainActivity.kt

package com.cfsuman.kotlintutorials

import android.os.Bundle
import android.widget.TextView
import androidx.appcompat.app.AppCompatActivity
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
import kotlin.random.Random


class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        // Get the widgets reference from XML layout
        val swipeRefreshLayout =
            findViewById<SwipeRefreshLayout>(R.id.swipeRefreshLayout)
        val textView = findViewById<TextView>(R.id.textView)


        // Set an on refresh listener for swipe refresh layout
        swipeRefreshLayout.setOnRefreshListener {
            textView.text = "Refreshed & Generated Random Number\n" +
                        "${Random.nextInt(500)}"

            // Hide swipe to refresh icon animation
            swipeRefreshLayout.isRefreshing = false
        }
    }
}
activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/swipeRefreshLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#F8F8F8"
    android:padding="24dp">

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Swipe to refresh me"
        android:gravity="center"
        android:textSize="28sp"
        android:fontFamily="sans-serif"/>

</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
build.gradle [app] [dependencies]

implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
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