logo
down
shadow

How to interpret and translate kotlin code to java?


How to interpret and translate kotlin code to java?

Content Index :

How to interpret and translate kotlin code to java?
Tag : java , By : 66.
Date : November 25 2020, 03:01 PM

it helps some times The method setViewPagerScroller uses kotlin anonymous inner class syntax. That is the 'object' part which has no real counterpart in java syntax.
private void setViewPagerScroller() {
    try {
        Field scrollerField = ViewPager.class.getDeclaredField("mScroller");
        scrollerField.setAccessible(true);

        Field interpolator = ViewPager.class.getDeclaredField("sInterpolator");
        interpolator.setAccessible(true);

        Scroller scroller = new Scroller(this, (android.view.animation.Interpolator) interpolator.get(null)){

            @Override
            public void startScroll(int startX, int startY, int dx, int dy, int duration) {
                super.startScroll(startX, startY, dx, dy, duration * 7);
            }
        }

        scrollerField.set(viewPager, scroller);
    } catch (NoSuchFieldException error) {
        // Do nothing.
    } catch (IllegalAccessException error) {
        // Do nothing.
    }
}
private LockableViewPager viewPager;

private LockableViewPager getViewPager(){
    if(viewPager == null){
        // produce viewpager and store in field
    }
    return viewPager;
}  

Comments
No Comments Right Now !

Boards Message :
You Must Login Or Sign Up to Add Your Comments .

Share : facebook icon twitter icon

Best way to translate this java code into kotlin


Tag : kotlin , By : Porta
Date : March 29 2020, 07:55 AM
To fix the issue you can do Instead of translating the code literally, make use of Kotlin's stdlib which offers a number of useful extension functions. Here's one version
val text = URL(urlSpec).openConnection().inputStream.bufferedReader().use { it.readText() }
public fun Reader.copyTo(out: Writer, bufferSize: Int = DEFAULT_BUFFER_SIZE): Long {
    var charsCopied: Long = 0
    val buffer = CharArray(bufferSize)
    var chars = read(buffer)
    while (chars >= 0) {
        out.write(buffer, 0, chars)
        charsCopied += chars
        chars = read(buffer)
    }
    return charsCopied
}

Android Studio translate code from kotlin to java


Tag : java , By : beebob
Date : March 29 2020, 07:55 AM
This might help you I am new to android studio but have come from learning Java in eclipse through university. I've being following along with a simple tutorial that is coded in kotlin however I wanted to create it in Java (although from what I have learnt kotlin is less repetitive). I want to translate the code below from kotlin to java: , Here you go
Button rollButton=findViewById(R.id.rollButton);
TextView resultTexView=findViewById(R.id.resultsTextView);
SeekBar seekBar=findViewById(R.id.seekBar);

button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                int rand = Random().nextInt(seekBar.progress) + 1
    resultsTextView.setText(rand.toString());
            }
        });

How to translate this piece of code from Java to Kotlin?


Tag : android , By : Brianna
Date : March 29 2020, 07:55 AM
should help you out You can use @JvmOverloads and use a default value for your cache, so you do not need a 2nd constructor defined explicitly:
class LruBitmapCache @JvmOverloads constructor(
        sizeInKiloBytes: Int = defaultLruCacheSize
) : LruCache<String, Bitmap>(sizeInKiloBytes), ImageCache {

    protected fun sizeOf(key: String, value: Bitmap): Int = value.rowBytes * value.height / 1024

    fun getBitmap(url: String): Bitmap = get(url)

    fun putBitmap(url: String, bitmap: Bitmap) {
        put(url, bitmap)
    }

    companion object {
        val defaultLruCacheSize: Int
            get() {
                val maxMemory = (Runtime.getRuntime().maxMemory() / 1024).toInt()

                return maxMemory / 8
            }
    }
}
class LruBitmapCache(
        sizeInKiloBytes: Int
) : LruCache<String, Bitmap>(sizeInKiloBytes), ImageCache {

    constructor(): this(defaultLruCacheSize)

    // omitted for brevity
}

How to translate code with byte operation from Java to Kotlin?


Tag : java , By : Comfly
Date : March 29 2020, 07:55 AM
With these it helps I would like to translate this method in Kotlin but I do not know what are the variables to cast to do things correctly and have the right operations memories : , I finally found the good cast to do for the unit tests to work.
fun bytestoUUID(buf: ByteArray, offset: Int): UUID {
    var lsb: Long = 0
    for (i in 15 downTo 8) {
        lsb = lsb shl 8 or (buf[i + offset].toLong() and 0xff)
    }

    var msb: Long = 0
    for (i in 7 downTo 0) {
        msb = msb shl 8 or (buf[i + offset].toLong() and 0xff)
    }

    return UUID(msb, lsb)
}

How to translate this Android Kotlin code to Java code


Tag : java , By : John R
Date : March 29 2020, 07:55 AM
hop of those help? I would recommend another way to read kotlin code assuming you are well familiar with java. You can use below option in android studio.
Related Posts Related QUESTIONS :
  • Cors for GET with Postman not showing headers
  • Printing values in different column same row using APACHE POI
  • Fully decompile java6 web application
  • Passing keycloak configuration parameters in the code rather than reading from application.properties
  • setDataSource() IO exception
  • Unexpected Output while retrieving Data from mongodb and displaying in a csv file?
  • Algorithm for searching a value in two arrays
  • How to avoid casting with generic return values?
  • Java/RegEx - Negation of pattern not working
  • How to split a string to non empty words if it might include a separator like tab on first place
  • Supplier<Sequence<String>> cannot be iterated more than once
  • Why there is only one thread can actually started in @PostConstruct method?
  • Manage CompletionStage inside of Netty handler
  • Url Problem while Developing on Localhost and deploy on Remote Virtual Server
  • How to identify the missing type id in Jackson error?
  • android data binding error: cannot find symbol
  • Spring Boot application with a jar dependency does not run after maven build
  • Spring Data JPA query , filter ? search engine ? JPQL?
  • Why LiveData returns null in ViewModel?
  • what this line of code mean....new URLClassLoader(new URL[0],getClass().getClassLoader());
  • Why do need to use new Random() instead of just Random Randomnum?
  • I want to access zk components from the java file
  • How do I cast FieldValue.serverTimestamp() to Kotlin/Java Date Class
  • Insertion Sort Double Array with User Input - JAVA
  • Creating 2 dimesional array with user input and find sum of specific columns
  • can not get Advertising ID Provider in android
  • Convert list of Objects to map of properties
  • How to represent an undirected weighted graph in java
  • Return values as array from collection
  • ByteBuddy generic method return cast to concrete type
  • ImageView hides the round corners of the parent
  • Is there a way to find setter method by its getter method or vice versa in a class?
  • Get aggregated list of properties from list of Objects(Java 8)
  • Unable to find a document in Mongodb where exact date match in java
  • UsernamePasswordAuthenticationFilter skips success handler
  • Use Java filter on stream with in a stream filter
  • Default Login not successful in spring boot 2.1.7
  • Adding key value pairs from a file to a Hashmap
  • Rub regex: matching a char except when after by another char
  • Convert Base64 String to String Array
  • Escape Unicode Character 'POPCORN' to HTML Entity
  • An empty JSON field which is a boolean/nullable field in Java model, is getting converted as null
  • Mongo java driver cannot find public constructor for interface
  • How to unit test writing a file to AWS Lambda output stream?
  • How to make a GitHub GraphQL API Call from Java
  • What's the difference between @ComponentScan and @Bean in a context configuration?
  • Expected class or package adding a view using a class
  • can be delete of a element in a static array be O(1)?
  • Instance variable heap or stack ? ( with specific example)
  • Assert progress of ProgressBar in Espresso test
  • How to detect if gson.fromjson() has excess elements
  • I cant generate the proper code to select the a specific filter on a BI dashboard I am working on
  • How to Inject Dependencies into a Servlet Filter with Spring Boot Filter Registration Bean?
  • Thrift types as a Generic
  • Effective algorithm to random 4 unique integers less than a big max such as 100_000
  • Combining or and negation in Java regex?
  • Unable to instantiate default tuplizer Exception
  • Multi-tenant migration to work with quarkus
  • Ignite persisting a Set: Cannot find metadata for object with compact footer
  • Maven cannot resolve Jacob dependency using eclipse
  • shadow
    Privacy Policy - Terms - Contact Us © scrbit.com