Wed. Apr 17th, 2024

API: https://reqres.in/api/users?page=2

Method: GET

Resposnse:

{

“page”: 2, “per_page”: 6, “total”: 12, “total_pages”: 2,

“data”: [

{ “id”: 7, “email”: “michael.lawson@reqres.in”, “first_name”: “Michael”, “last_name”: “Lawson”,

“avatar”: “https://reqres.in/img/faces/7-image.jpg” },],

“support”: { “url”: “https://reqres.in/#support-heading”, “text”: “To keep ReqRes free, contributions towards server costs are appreciated!” } }

activity_home_page

<?xml version="1.0" encoding="utf-8"?>
<layout>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".HomePage"
    android:orientation="vertical">

   

    <androidx.recyclerview.widget.RecyclerView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/rec"/>

</LinearLayout>
</layout>

HomePage.kt

package com.androindian.sampleproject

import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.databinding.DataBindingUtil
import androidx.recyclerview.widget.LinearLayoutManager
import com.androindian.sampleproject.databinding.ActivityHomePageBinding
import retrofit2.Call
import retrofit2.Response
import retrofit2.Retrofit
import retrofit2.converter.gson.GsonConverterFactory

class HomePage : AppCompatActivity() {

    var binding:ActivityHomePageBinding?=null
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding=DataBindingUtil.setContentView(this,R.layout.activity_home_page)

  

        var retrofit = Retrofit.Builder().baseUrl("https://reqres.in/api/")
            .addConverterFactory(GsonConverterFactory.create()).build()

        var retroInterface=retrofit.create(SampleProjectInteface::class.java)
        var listcall: Call<ListRes>
        listcall=retroInterface.loadData()

        listcall.enqueue(object : retrofit2.Callback<ListRes?> {
            override fun onResponse(call: Call<ListRes?>, response: Response<ListRes?>) {

                var linearLayoutManager= LinearLayoutManager(this@HomePage,
                    LinearLayoutManager.VERTICAL, false)
                binding?.rec?.layoutManager=linearLayoutManager
                var customAdapter =CustomAdapter(this@HomePage,
                    response.body()?.data as List<ListInsideData>)
                binding?.rec?.adapter = customAdapter

            }

            override fun onFailure(call: Call<ListRes?>, t: Throwable) {
                TODO("Not yet implemented")
            }
        })


    }
}

SampleProjectInteface.kt

package com.androindian.sampleproject

import okhttp3.RequestBody
import retrofit2.http.GET
import retrofit2.http.Headers
import retrofit2.http.Multipart
import retrofit2.http.POST
import retrofit2.http.Part
import retrofit2.http.Url

public interface SampleProjectInteface {

    

    @Headers("Content-Type:application/json")
    @GET("users?page=2")
    fun loadData(): retrofit2.Call<ListRes>
}

CustomAdapter.kt

package com.androindian.sampleproject

import android.content.Context
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import android.widget.Toast
import androidx.recyclerview.widget.RecyclerView
import com.squareup.picasso.Picasso

class CustomAdapter(homePage: HomePage, data: List<ListInsideData>) : RecyclerView.Adapter<CustomAdapter.MyViewHolder>() {

    var context: Context
    var adpData:List<ListInsideData>
    init {
        context=homePage
        adpData= data as List<ListInsideData>
    }


    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CustomAdapter.MyViewHolder {
        var view=LayoutInflater.from(parent.context).inflate(R.layout.custom,parent,false)
        return MyViewHolder(view)
    }

    override fun onBindViewHolder(holder: CustomAdapter.MyViewHolder, position: Int) {
        holder.id?.text= adpData.get(holder.adapterPosition).id.toString()
        holder.mail?.text= adpData.get(holder.adapterPosition).email
        holder.fname?.text= adpData.get(holder.adapterPosition).firstName
        holder.lname?.text= adpData.get(holder.adapterPosition).lastName
       //holder.iv?.setImageResource(adpData[holder.adapterPosition].avatar)
        Picasso.with(context).load(adpData.get(holder.adapterPosition).avatar).into(holder.iv)

        holder.iv?.setOnClickListener {
            Toast.makeText(context,""+holder.adapterPosition,Toast.LENGTH_LONG).show()
        }
    }

    override fun getItemCount(): Int {
        return adpData.size
    }

    inner class MyViewHolder(itemView: View):RecyclerView.ViewHolder(itemView) {

        var id: TextView?=null
        var mail: TextView?=null
        var fname: TextView?=null
        var lname: TextView?=null
        var iv: ImageView?=null

        init {
            id=itemView.findViewById(R.id.id1)
            mail=itemView.findViewById(R.id.email)
            fname=itemView.findViewById(R.id.firtsname)
            lname=itemView.findViewById(R.id.lastname)
            iv=itemView.findViewById(R.id.iv)
        }

    }

}

private fun ImageView?.setImageResource(avatar: String?) {

}

custom.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:layout_margin="5dp"
    android:background="@drawable/border">
    <ImageView
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:id="@+id/iv"/>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:layout_margin="5dp">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/id1"
        android:textColor="#FF5722"
        android:textSize="20sp"
        android:textAllCaps="true"
        android:textStyle="italic"
        android:layout_margin="10dp"
        android:padding="5dp"/>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/email"
        android:textColor="#098"
        android:textSize="12sp"
        android:textAllCaps="true"
        android:textStyle="italic"
        android:layout_margin="5dp"
        android:padding="5dp"/>
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/firtsname"
        android:textColor="#3F51B5"
        android:textSize="12sp"
        android:textAllCaps="true"
        android:textStyle="italic"
        android:layout_margin="5dp"
        android:padding="5dp"/>
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/lastname"
        android:textColor="#E91E63"
        android:textSize="12sp"
        android:textAllCaps="true"
        android:textStyle="italic"
        android:layout_margin="5dp"
        android:padding="5dp"/>
    </LinearLayout>
</LinearLayout>

ListRes.kt

package com.androindian.sampleproject

import com.google.gson.annotations.Expose
import com.google.gson.annotations.SerializedName

class ListRes {
    @SerializedName("page")
    @Expose
    var page: Int? = null

    @SerializedName("per_page")
    @Expose
    var perPage: Int? = null

    @SerializedName("total")
    @Expose
    var total: Int? = null

    @SerializedName("total_pages")
    @Expose
    var totalPages: Int? = null

    @SerializedName("data")
    @Expose
    var data: List<ListInsideData>? = null

    @SerializedName("support")
    @Expose
    var support: Support? = null
}

Support.kt

package com.androindian.sampleproject

import com.google.gson.annotations.Expose
import com.google.gson.annotations.SerializedName

class Support {
    @SerializedName("url")
    @Expose
    var url: String? = null

    @SerializedName("text")
    @Expose
    var text: String? = null
}

ListInsideData.kt

package com.androindian.sampleproject

import com.google.gson.annotations.Expose
import com.google.gson.annotations.SerializedName

class ListInsideData {
    @SerializedName("id")
    @Expose
    var id: Int? = null

    @SerializedName("email")
    @Expose
    var email: String? = null

    @SerializedName("first_name")
    @Expose
    var firstName: String? = null

    @SerializedName("last_name")
    @Expose
    var lastName: String? = null

    @SerializedName("avatar")
    @Expose
    var avatar: String? = null
}

build.gradle

plugins {
    id("com.android.application")
    id("org.jetbrains.kotlin.android")
}

android {
    namespace = "com.androindian.sampleproject"
    compileSdk = 34

    defaultConfig {
        applicationId = "com.androindian.sampleproject"
        minSdk = 24
        targetSdk = 33
        versionCode = 1
        versionName = "1.0"

        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            isMinifyEnabled = false
            proguardFiles(
                getDefaultProguardFile("proguard-android-optimize.txt"),
                "proguard-rules.pro"
            )
        }
    }
    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_1_8
        targetCompatibility = JavaVersion.VERSION_1_8
    }
    kotlinOptions {
        jvmTarget = "1.8"
    }
    dataBinding{
        enable=true
    }
}

dependencies {

    implementation("androidx.core:core-ktx:1.9.0")
    implementation ("com.squareup.retrofit2:retrofit:2.4.0")
    implementation ("com.google.code.gson:gson:2.8.9")
    implementation ("com.squareup.retrofit2:converter-gson:2.4.0")
    implementation("androidx.appcompat:appcompat:1.6.1")
    implementation("com.google.android.material:material:1.10.0")
    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
    testImplementation("junit:junit:4.13.2")
    androidTestImplementation("androidx.test.ext:junit:1.1.5")
    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
    implementation ("com.squareup.picasso:picasso:2.5.2")


}

By Rajashekar

I’m (Rajashekar) a core Android developer with complimenting skills as a web developer from India. I cherish taking up complex problems and turning them into beautiful interfaces. My love for decrypting the logic and structure of coding keeps me pushing towards writing elegant and proficient code, whether it is Android, PHP, Flutter or any other platforms. You would find me involved in cuisines, reading, travelling during my leisure hours.

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