fabiomsr

apply plugin: 'com.android.application'
apply plugin: 'com.neenbedankt.android-apt'
apply plugin: 'me.tatarka.retrolambda'

android {
    compileSdkVersion rootProject.androidCompileSdkVersion
    buildToolsVersion rootProject.androidBuildToolsVersion

    defaultConfig {
        minSdkVersion rootProject.androidMinSdkVersion

fabiomsr

public class HexUtils {
  private static final char[] HEX_CHARS = "0123456789ABCDEF".toCharArray();
  private static final String HEX = "0123456789ABCDEF";

  /**
  * Convert byte array to hexadecimal string
  * @param data Input array
  * @return hexadecimal string
  */

fabiomsr

private val HEX_CHARS = "0123456789ABCDEF".toCharArray()

fun ByteArray.toHex() : String{
    val result = StringBuffer()

    forEach {
        val octet = it.toInt()
        val firstIndex = (octet and 0xF0).ushr(4)
        val secondIndex = octet and 0x0F
        result.append(HEX_CHARS[firstIndex])

fabiomsr

final int x;
final int y = 1;

fabiomsr

int w;
int z = 2;
z = 3;
w = 1;

fabiomsr

final String name = null
String lastName
lastName = null

fabiomsr

// Java
if(text != null){
  int length = text.length();
}

fabiomsr

// Java
String name = "John";
String lastName = "Smith";
String text = "My name is: " + name + " " + lastName;
String otherText = "My name is: " + name.substring(2);

fabiomsr

// Java
String text = "First Line\n" +
              "Second Line\n" +
              "Third Line";

fabiomsr

// Java
String text = x > 5 ? "x > 5" : "x <= 5"