how to use an api in android studio code example

Example 1: android studio include gson in app

// Module level build.gradle
dependencies {
     implementation 'com.google.code.gson:gson:2.8.5' // Old 2.8.2
}

Example 2: how to create search function in android studio

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:id="@+id/search"
          android:title="@string/search_title"
          android:icon="@drawable/ic_search"
          android:showAsAction="collapseActionView|ifRoom"
          android:actionViewClass="android.widget.SearchView" />
</menu>

Example 3: accessing api on android

// use retrofit