magdamiu

implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'

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// STEP 1 - create new file
public interface ClickListener {
    public void onClick(View view, int position);

    public void onLongClick(View view, int position);
}


// STEP 2 - create new file
import android.content.Context;

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import java.util.List;

import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

public class UsersRepository {

magdamiu

// gradients
// gradient_1.xml in drawable folder
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
  <gradient
      android:angle="225"
      android:endColor="#1a2980"
      android:startColor="#26d0ce" />
</shape>

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val imageCapture = ImageCapture.Builder().build()

// SETUP CAPTURE MODE
// to optimize photo capture for quality
val captureMode = ImageCapture.CAPTURE_MODE_MAXIMIZE_QUALITY

// to optimize photo capture for latency (default)
val captureMode = ImageCapture.CAPTURE_MODE_MINIMIZE_LATENCY

imageCapture = ImageCapture.Builder()

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fun applyFrameRateOnImageAnalysis(): ImageAnalysis {
    val imageAnalysisBuilder = ImageAnalysis.Builder()
    val camera2InterOp = Camera2Interop.Extender(imageAnalysisBuilder)
    camera2InterOp.setCaptureRequestOption(
        CaptureRequest.CONTROL_AE_MODE,
        CaptureRequest.CONTROL_AE_MODE_OFF
    )
    camera2InterOp.setCaptureRequestOption(
        CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE,
        Range(60, 60)

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var someNumbers = listOf(1, 4, 5, 6, 7, 8, 2323, 5456, 343, 2)
someNumbers
    .filter { it % 2 == 0 } 
    .map { it * 3 } 
    .sum()

someNumbers
    .asSequence()
    .filter { it % 2 == 0 }
    .map { it * 2 }

magdamiu

sealed class Fruit(val name: String) {
    class Apple : Fruit("Apple")
    class Mango : Fruit("Mango")
}

class Pomegranate : Fruit("Pomegranate")

fun display(fruit: Fruit) {
    when (fruit) {
        is Fruit.Apple -> println("${fruit.name} is good for iron")

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val displayContentWithTemplate = "Hello $firstName! Please confirm that $email is your email address."

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inputStream.use {
    outputStream.use {
        // do something with the streams
        outputStream.write(inputStream.read())
    }
}

// improved option
arrayOf(inputStream, outputStream).use {
   // do something with the streams