thenixan

<resources>

    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>

    <style name="AppTheme.SplashScreen" parent="AppTheme">
        <item name="android:windowBackground">@drawable/splash</item>

thenixan

private const val ACTIVITY_AUTH = 1000

abstract class SplashedActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        if (!isAuthenticated()) {
            startActivityForResult(Intent(this, AuthActivity::class.java), ACTIVITY_AUTH)
        }
        setTheme(R.style.AppTheme_Base)
        super.onCreate(savedInstanceState)

thenixan

class AuthActivity : AppCompatActivity() {

    private val authCardView by lazy { findViewById<CardView>(R.id.authCardView) }
    private val okButton by lazy { findViewById<Button>(R.id.okButton) }
    private val cancelButton by lazy { findViewById<Button>(R.id.cancelButton) }
    private val loginEditText by lazy { findViewById<EditText>(R.id.loginEditText) }
    private val passwordEditText by lazy { findViewById<EditText>(R.id.passwordEditText) }

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

thenixan

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="org.nixan.splashscreenexample">

...

        <activity android:name=".ShareActivity">
            <intent-filter>
                <action android:name="android.intent.action.SEND" />
                <category android:name="android.intent.category.DEFAULT" />

thenixan

class ShareActivity : SplashedActivity() {

    private val helloText by lazy { findViewById<TextView>(R.id.helloText) }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        getUser()?.let {
            helloText.text = "${it.login}\n${intent.getStringExtra(Intent.EXTRA_TEXT)}"
        }

thenixan

buildscript {
    ext.kotlin_version = '1.2.10'
    ext.rxjava2_version = '2.1.9'
    ext.retrofit_version = '2.3.0'
    ...
}
...
dependencies {
    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"

thenixan

data class DataHolder(
        @SerializedName("data") val data: Array<DataItem>
)

data class DataItem(
        @SerializedName("about") val about: String,
        @SerializedName("email") val email: String,
        @SerializedName("first_name") val firstName: String,
        @SerializedName("gender") val gender: String,
        @SerializedName("hash") val hash: String,

thenixan

fun benchmark(f: () -> Unit) {
    System.gc()
    val startTime = System.currentTimeMillis()
    val startMemory = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()

    f.invoke()

    System.gc()
    val finishTime = System.currentTimeMillis()
    val finishMemory = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()

thenixan

interface Api {

    @GET("thenixan-blogposts/json-streaming-data/master/one-large-file.json")
    fun loadDataInUsualWay(): Single<DataHolder>

}

val service = Retrofit.Builder()
        .baseUrl("https://raw.githubusercontent.com/")
        .addCallAdapterFactory(RxJava2CallAdapterFactory.create())

thenixan

data class NewDataHolder(
        @SerializedName("data")
        val data: Observable<DataItem>
)