Kirill Rozov kirich1409

## AnimalasVoice.java
abstract class Animal {
  public void voice(){
    System.out.println("unknown");
  }
}

final class Cat {
  public abstract void voice(){
    System.out.println("meow");
  }

## AnimalasVoice.java
abstract class Animal {
  public void voice(){
    System.out.println("unknown");
  }
}

final class Cat {
  public abstract void voice(){
    System.out.println("meow");
  }

## MainFragment.kt
class MainFragment : Fragment() {

    // The dependency isn't final and private
    @Inject
    lateinit var sampleDep: SampleDependency

    override fun onAttach(context: Context) {
        super.onAttach(context)
        // Inject dependencies with Dagger 2
    }

## 1_MainFragment.kt
// Описываем зависимости в констркуторе, они сразу final и private
class MainFragment(private val dependency: SampleDependency) : Fragment()

## init_strict_mode_old.java
StrictMode.ThreadPolicy.Builder threadPolicyBuilder =
        new StrictMode.ThreadPolicy.Builder()
                .detectDiskReads()
                .detectDiskWrites()
                .detectDiskReads()
                .penaltyLog();

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
    threadPolicyBuilder.detectResourceMismatches();
}

## Android OS distribution May 2019.csv

          
            Version
            October 2018 (%)
             May 2019(%)
             Diff (%)

            
              2.3
              0.2
              0.3
              +0.1

            
              4.0
              0.3
              0.3
              0

            
              4.1
              1.1
              1.2
              +0.1

            
              4.2
              1.5
              1.5
              0

            
              4.3
              0.4
              0.5
              +0.1

            
              4.4
              7.6
              6.9
              -0.7

            
              5.0
              3.5
              3
              -0.5

            
              5.1
              14.4
              11.5
              -2.9

            
              6.0
              21.3
              16.9
              -4.4

## CallbackToFutureAdapter.kt
fun asyncOperation(): ListenableFuture<Foo> {
    return CallbackToFutureAdapter.getFuture { completer: CallbackToFutureAdapter.Resolver<Foo> ->
        asyncApi.load(object : OnResult {

          override fun onSuccess(foo: Foo) {
              completer.set(foo);
          }

          override fun onError(failure: Failure) {
              completer.setException(failure.exception);

## build.gradle
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-kapt'

android {
    compileSdkVersion 29
    buildToolsVersion "29.0.2"

    defaultConfig {
        applicationId "by.kirich1409.sample.jetpackcompose"

## Hello.kt
@Composable
fun Hello(name: String) = MaterialTheme {
    FlexColumn {
        inflexible { // Item height will be equal content height
            TopAppBar<MenuItem>( // App Bar with title
                title = { Text("Jetpack Compose Sample") }
            )
        }
        expanded(1F) { // occupy whole empty space in the Column
            Center { // Center content

## MainActivity.kt
class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent { Hello("Jetpack Compose") }
    }
}
	abstract class Animal {
	public void voice(){
	System.out.println("unknown");
	}
	}

	final class Cat {
	public abstract void voice(){
	System.out.println("meow");
	}
	class MainFragment : Fragment() {

	// The dependency isn't final and private
	@Inject
	lateinit var sampleDep: SampleDependency

	override fun onAttach(context: Context) {
	super.onAttach(context)
	// Inject dependencies with Dagger 2
	}
	// Описываем зависимости в констркуторе, они сразу final и private
	class MainFragment(private val dependency: SampleDependency) : Fragment()
	StrictMode.ThreadPolicy.Builder threadPolicyBuilder =
	new StrictMode.ThreadPolicy.Builder()
	.detectDiskReads()
	.detectDiskWrites()
	.detectDiskReads()
	.penaltyLog();

	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
	threadPolicyBuilder.detectResourceMismatches();
	}
Version	October 2018 (%)	May 2019(%)	Diff (%)
2.3	0.2	0.3	+0.1
4.0	0.3	0.3	0
4.1	1.1	1.2	+0.1
4.2	1.5	1.5	0
4.3	0.4	0.5	+0.1
4.4	7.6	6.9	-0.7
5.0	3.5	3	-0.5
5.1	14.4	11.5	-2.9
6.0	21.3	16.9	-4.4
	fun asyncOperation(): ListenableFuture<Foo> {
	return CallbackToFutureAdapter.getFuture { completer: CallbackToFutureAdapter.Resolver<Foo> ->
	asyncApi.load(object : OnResult {

	override fun onSuccess(foo: Foo) {
	completer.set(foo);
	}

	override fun onError(failure: Failure) {
	completer.setException(failure.exception);
	apply plugin: 'com.android.application'
	apply plugin: 'kotlin-android'
	apply plugin: 'kotlin-kapt'

	android {
	compileSdkVersion 29
	buildToolsVersion "29.0.2"

	defaultConfig {
	applicationId "by.kirich1409.sample.jetpackcompose"
	@Composable
	fun Hello(name: String) = MaterialTheme {
	FlexColumn {
	inflexible { // Item height will be equal content height
	TopAppBar<MenuItem>( // App Bar with title
	title = { Text("Jetpack Compose Sample") }
	)
	}
	expanded(1F) { // occupy whole empty space in the Column
	Center { // Center content
	class MainActivity : AppCompatActivity() {

	override fun onCreate(savedInstanceState: Bundle?) {
	super.onCreate(savedInstanceState)
	setContent { Hello("Jetpack Compose") }
	}
	}