maiconhellmann

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_checked="true">
        <shape android:shape="rectangle">
            <solid android:color="#3B5A9A" />
            <corners android:bottomLeftRadius="4dp"
                android:topLeftRadius="4dp"/>
        </shape>
    </item>

maiconhellmann

//more plugins here....
apply plugin: 'kotlin-kapt'

android {
    //your stuff...
    
    buildTypes {
        release {
            //your stuff...
            buildConfigField "String", "BASE_URL", "\"https://your.api.url//\""

maiconhellmann

import io.reactivex.Single
import io.reactivex.SingleSource
import io.reactivex.SingleTransformer

/**
 * Sealed class to handle ViewStates.
 *
 * When an error happens it will return a [ViewState.Failed] with a [ViewState.Failed.throwable] field
 *

maiconhellmann

class CurrencyAdapter: RecyclerView.Adapter<CurrencyAdapter.ViewHolder>() {

    var data: List<YourModelName> = emptyList()
        set(value) {
            field = value
            notifyDataSetChanged()
        }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        return ViewHolder(parent)

maiconhellmann

<View 
   ....
  app:layout_constraintHorizontal_bias="0"
  android:layout_width="0dp"
  app:layout_constraintWidth_default="wrap" >
</View>

maiconhellmann

class MyAmazingActivity: AppCompatActivity {
  override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        if (resources.getBoolean(R.bool.portrait_only)) {
            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT)
        } else {
            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR)
        }
    }

maiconhellmann

/**
* Check if a point cliked is in the are of a line.
*/
class CheckLineClicked {

    /**
    * Returns the distance between a point(clickPosition) and  a line(start and end point).
    */
    fun checkLineClicked(clickPosition: PointF, startPoint: PointF, endPointF: PointF): Float {
        val x = clickPosition.x