AndroidKEx

NOTE! THIS LIBRARY IS DEPRECATED AND WILL NOT BE MAINTAINED. ONLY UPDATES FOR CRITICAL ISSUES WILL BE MADE. USE ANDROID'S KTX INSTEAD

Extensions for Kotlin. Use the power of Kotlin to make your code smaller and beautiful.

Setup

Gradle:

Add following line of code to your module(app) level gradle file

    implementation 'com.robertlevonyan.components:AndroidKEx:2.0.0'

Maven:

  <dependency>
    <groupId>com.robertlevonyan.components</groupId>
    <artifactId>AndroidKEx</artifactId>
    <version>2.0.0</version>
    <type>pom</type>
  </dependency>

Usage

Context extensions

  // This extensions are also work in Activities, Fragments, Dialogs and DialogFragments
  
  val myColor = color(R.color.my_color_res)                     // get any color from your recources
  val myString = string(R.string.my_string_res)                 // get any String from your recources
  val myDimen = dimen(R.dimen.my_dimen_res)                     // get any dimension value from your recources as Float
  val myDimenInt = dimenInt(R.dimen.my_dimen_res)               // get any dimension value from your recources as Int
  val myInt = int(R.dimen.my_int_res)                           // get any int value from your recources
  val myFont = font(R.dimen.my_font_res)                        // get any font value from your recources
  val myStringArray = stringArray(R.array.my_string_array_res)  // get any string array from your recources
  val myIntArray = intArray(R.array.my_int_array_res)           // get any int array from your recources
  val myDrawable = drawable(R.drawable.my_drawable_name)        // get any drawable from your recources
  val myDrawable = drawable("my_drawable_name", "com.my.app")   // get any drawable from your recources by String name
  
  // Show toast with context, second parameter is optional, default value is Toast.LENGTH_SHORT
  toast("Some message", Toast.LENGTH_LONG)
  toast(R.string.message_res)

Activity extensions

  /* Replace a fragment in container, optional parameters
    addToBackStack (default value is false)
    backStackName (default value is "")
    inAnimationRes (default value is 0)
    outAnimationRes (default value is 0)
  */
  replaceFragment(fragment, R.id.container)
  
  /* Add a fragment in container, optional parameters
    addToBackStack (default value is false)
    backStackName (default value is "")
    inAnimationRes (default value is 0)
    outAnimationRes (default value is 0)
  */
  addFragment(fragment, R.id.container)
  
  /* Start new activity, optional parameters
    extras (default value is Bundle())
    overrideTransitions (default value is false)
    enterAnimation (default value is 0)
    exitAnimation (default value is 0)
  */
  startActivity(activityToOpen)
  
  /* Start new activity for result, optional parameters
    extras (default value is Bundle())
    overrideTransitions (default value is false)
    enterAnimation (default value is 0)
    exitAnimation (default value is 0)
  */
  startActivityForResult(activityToOpen, requestCode)
  
  /* Start new activity with transitions, optional parameter
    extras (default value is Bundle())
  */
  startActivityWithTransitions(activityToOpen, options)
  
  /* Start new activity for result with transitions, optional parameter
    extras (default value is Bundle())
  */
  startActivityForResultWithTransitions(activityToOpen, requestCode, options)
  
  /* Start new activity for result with transitions, optional parameter
    requestCode (default value is 0)
    extras (default value is Bundle())
  */
  startActivityFromFragmentWithTransitions(activityToOpen, fragmentFrom, options)
  
  /* Start new activity for result with transitions, optional parameter
    extras (default value is Bundle())
  */
  startActivityFromFragmentWithResult(activityToOpen, fragmentFrom, requestCode)
  
  // Pop fragment in back stack
  popFragment()
  popFragment(name, flags)
  popFragment(id, flags)
  
  //Remove fragment
  removeFragment(fragment)
  removeFragmentByTag(tag)
  removeFragmentById(R.id.my_fragment_id)
  
  // Works on API19+
  makeTranslucentStatusBar()
  
  // Works on API23+
  lightStatusBar()
  
  // Works on API19+, removes the previous
  makeNormalStatusBar()
  
  // Works on API19+
  makeTranslucentNavigationBar()
  
  // Works on API26+
  lightNavigation()
  
  // Works on API19+, removes the previous
  makeNormalNavigationBar()

Fragment extensions

  /* Start new activity for result from fragment, optional parameters
    extras (default value is Bundle())
    overrideTransitions (default value is false)
    enterAnimation (default value is 0)
    exitAnimation (default value is 0)
  */
  startActivityForResult(activityToOpen, requestCode)
  
  /* Start new activity for result with transitions, optional parameter
    extras (default value is Bundle())
  */
  startActivityFromFragmentWithResult(activityToOpen, fragmentFrom, requestCode)
  
  // Pop fragment in back stack
  popFragment()
  popFragment(name, flags)
  popFragment(id, flags)
  
  //Remove fragment
  removeFragment(fragment)
  removeFragmentByTag(tag)
  removeFragmentById(R.id.my_fragment_id)
 

Animator extensions

  val animator = ValueAnimator.ofFloat(1f, 10f)
  
  animator.onStart { ... }
  animator.onEnd { ... }
  animator.onCancel { ... }
  animator.onRepeat { ... }
  animator.onResume { ... }                                 // API 19+
  animator.onPause { ... }                                  // API 19+
  
  animator.addListener(
    { /* onStart */},
    { /* onEnd */},
    { /* onCancel */},
    { /* onRepeat */},
  )
  
  animator.addPauseListener(
    { /* onResume */ },
    { /* onPause */ }
  )
  
  val transition = Explode()
  
  transition.onTransitionStart { ... }
  transition.onTransitionEnd { ... }
  transition.onTransitionResume { ... }
  transition.onTransitionPause { ... }
  transition.onTransitionCancel { ... }
  
  transition.addListener(
    { /* onTransitionStart */ },
    { /* onTransitionEnd */ },
    { /* onTransitionResume */ },
    { /* onTransitionPause */ },
    { /* onTransitionCancel */ }
  )

Collections extensions

  val list = ...
  
  val randomItem = list.randomItem()                        // Get random item from any List

Calendar extensions

  val calendar = ...
  
  calendar.getDayOfWeek()
  calendar.getDayOfMonth()
  calendar.getDayOfWeekInMonth()
  calendar.getDayOfYear()
  calendar.getWeekOfMonth()
  calendar.getHourOfDay()
  calendar.getYear()
  calendar.getHour()
  calendar.getMinute()
  calendar.getSecond()
  calendar.getMillisecond()

File extensions

    uri.realPath(context)
    
    string.toUri()
    
    file.toUri()
    file.copyInputStreamToFile(inputStream)

Image extensions

   val bitmap = ...
   
   bitmap.rotate(degrees)
   bitmap.toUriJpeg(context, title, description)
   bitmap.toUriPng(context, title, description)
   bitmap.toUriWebp(context, title, description)
   bitmap.makeCircle()
   bitmap.toDrawable(context)
   uri.toBitmap(context)
  
   val drawable = ...
   
   drawable.toBitmap()
   uri.toDrawable(context)
   
   val imageView = ...
  
   imageView set R.drawable.image_res
   imageView set drawable
   imageView set bitmap
   imageView set icon                                                       // API 23+
   imageView set uri

Text extensions

   val editText = ...
   
   editText.afterTextChanged { editable -> ... }
   editText.beforTextChanged { charSequence, start, count, after -> ... }
   editText.onTextChanged { charSequence, start, before, count -> ... }
   editText.focus()                                                      // focus on this EditText
   editText.requestFocusAndKeyboard()                                    // focus and open keyboard
   editText.clearFocusAndKeyboard()                                      // remove focus and close keyboard
   
   val textView = ...
   
   textView set R.string.some_text_resource
   textView set someString
   textView set someSpannable

View extensions

   val view = ...
   
   view.dismissKeyboard()
   
   /* Create snackbar on view, optional parameters
       duration (default value is Snackbar.LENGTH_SHORT)
       actionName (default value is ")
       actionTextColor (default value is 0)
       action (default value is {})
   */
   view.snackbar(someStringMessage)
   
   /*Animate different properties of view, optional parameters
       duration (default value is 300)
       repeatCount (default value is 0)
       repeatMode (default value is 0)
   */
   view.animateTranslationX(floatArrayOf( ... ))
   view.animateTranslationY(floatArrayOf( ... ))
   view.animateTranslationZ(floatArrayOf( ... ))            // API 21+
   view.animateScaleX(floatArrayOf( ... ))
   view.animateScaleY(floatArrayOf( ... ))
   view.animateAlpha(floatArrayOf( ... ))
   view.animateRotation(floatArrayOf( ... ))
   view.animateRotationX(floatArrayOf( ... ))
   view.animateRotationY(floatArrayOf( ... ))
   view.animateX(floatArrayOf( ... ))
   view.animateY(floatArrayOf( ... ))
   view.animateZ(floatArrayOf( ... ))                       // API 21+
   
   
   val animator = view.translationXAnimator(floatArrayOf( ... ))
   val animator = view.translationYAnimator(floatArrayOf( ... ))
   val animator = view.translationZAnimator(floatArrayOf( ... ))            // API 21+
   val animator = view.scaleXAnimator(floatArrayOf( ... ))
   val animator = view.scaleYAnimator(floatArrayOf( ... ))
   val animator = view.alphaAnimator(floatArrayOf( ... ))
   val animator = view.rotationAnimator(floatArrayOf( ... ))
   val animator = view.rotationXAnimator(floatArrayOf( ... ))
   val animator = view.rotationYAnimator(floatArrayOf( ... ))
   val animator = view.xAnimator(floatArrayOf( ... ))
   val animator = view.yAnimator(floatArrayOf( ... ))
   val animator = view.zAnimator(floatArrayOf( ... ))                       // API 21+
   
   view width 150                           // set view width
   view hesght 100                          // set view height
   
   view visible flase                       // show or hide view
   
   val linearLayout = ...                   // or some other ViewGroup
   
   linearLayout inflate R.layout.some_layout_to_inflate
   linearLayout.forEach { childView -> }
   linearLayout.forEachIndexed { childView, index -> }
   linearLayout.isEmpty()
   linearLayout.isNotEmpty()
   
   val progressBar = ...
   
   progressBar.loaderColor(colorInt)
   
   val checkBox = ...                       // or some other compund button
   
   checkBox.onChecked { view, isChecked -> ... }
   
   val bottomSheetBehavior = ...
   
   bottomSheetBehavior.onSlide { bottomSheetView, slideOffset -> ... }
   bottomSheetBehavior.onStateChanged { bottomSheetView, newState -> ... }

Dynamic layout extensions

   //Creating a spinner with single function
   val spinner = ...
   
   spinner.create(
      R.layout.spinner_item,
      R.id.text_view_id,
      items,                                    // array or mutable list
      onItemSelected = { item, postion -> ... }
   )
   
   //Creating an AutoCompleteTextView with single function
   val autoCompleteTextView = ...
   
   autoCompleteTextView.create(
      R.layout.auto_complete_text_item,
      R.id.text_view_id,
      items,                                    // array or mutable list
      onItemSelected = { textString, postion -> ... }
   )
   
   //Creating a ListView with single function
   val listView = ...
   
   listView.create(
      R.layout.list_item,
      items,                                    // array or mutable list
      creator = { item, position -> ... },      // write to list binding logic inside this lambda
      itemClick = { item, position -> ... },
      itemLongClick = { item, position -> ... }
   )
   
   //Creating a RecyclerView with single function
   val recyclerView = ...
   
   recyclerView.create(
      R.layout.recycler_list_item,
      items,                                    // array or mutable list
      linearLayoutManager,                      // or some other layout manager
      creator = { item, position -> ... },      // write to list binding logic inside this lambda
      itemClick = { item, position -> ... },
      itemLongClick = { item, position -> ... },
      onScrollTop = { ... },
      onScrollBottom = { ... }
   )
   
   //Creating a typed RecyclerView with single function
   recyclerView.createTypedList(
      mapOf(type1 to R.layout.type1, ...),
      items,                                    // array or mutable list
      linearLayoutManager,                      // or some other layout manager
      itemTypes = { position -> ... }           // declare types of items
      creator = { item, position, type -> ... },      // write to list binding logic inside this lambda
      itemClick = { item, position -> ... },
      itemLongClick = { item, position -> ... },
      onScrollTop = { ... },
      onScrollBottom = { ... }
   )
   
   recyclerView.addItem(item)
   recyclerView.updateItem(item, position)
   recyclerView.removeItem(position)
   
   //Creating a ViewPager with single function
   val viewPager = ...
   
   viewPager.createFragmentPager(
      items,                                    // array or mutable list of Fragments
      supportFragmentManager
   )
   
   viewPager.onPageScrollStateChanged { state -> ... }
   viewPager.onPageScrolled { position, positionOffset, positionOffsetPixels -> ... }
   viewPager.onPageSelected { position -> ... }