johnsage25/kotlin-playground

Kotlin practice

Kotlin Playground

當了幾年的 iOS 工程師，一直都想要了解一下 Android 的開放世界。 在發現和 Swift 極其相似的 Kotlin 之後，打算連續投入 30天的時間來熟悉這個新的世界。

每一天都會做一個例子，並且將心得記錄在 Blog
https://android.devdon.com/?page_id=105

1 - Tap Counter

Blog / Source Code - 2017.11.20

• Button / Label
• Event handler
• Custom menu

2 - SeekBar Discount

Blog / Source Code - 2017.11.21

• Seekbar
• EditView
• Keyboard

3 - Image Picker

Blog / Source Code - 2017.11.22

• put image into AndroidStudio project
• open Camera/Album through Intent
• ImageView

4 - Scalable ImageView

Blog / Source Code - 2017.11.23

• Custom ImageView (Kotlin file + layout xml)
• Gesture
• Coordinates

5 - Search on WebView

Blog / Source Code - 2017.11.24

• Webview
• Keyboard
• TextView Event

6 - Image List (RecyclerView)

Blog / Source Code - 2017.11.25

• RecyclerView
• Adapter / ViewHolder
• model (data class)

7 - MyLocation (GoogleMap)

Blog / Source Code - 2017.11.26

• GoogleMap
• LocationManager
• uses-permission
• change activity by intent

8 - BottomNavigation

Blog / Source Code - 2017.11.27

• Fragment
• BottomNavigation
• icon in SVG
• intent with flag

9 - ImageSlider

Blog / Source Code - 2017.11.28

• ViewPager
• PagerAdapter
• Fragment

10 - ProgressBarHandler

Blog / Source Code - 2017.11.29

• ProgressBar
• Handler

11 - ActivitySchedule

Blog / Source Code - 2017.11.30

• Calendar
• DatePickerDialog / TimePickerDialog
• SimpleDateFormat
• AlertDialog

12 - GithubStars

Blog / Source Code - 2017.12.01

• OkHttp
• RecyclerView
• Intent & Parcelable

13 - LocalStorage

Blog / Source Code - 2017.12.02

• SharedPreferences

14 - Ball

Blog / Source Code - 2017.12.03

• ValueAnimator
• ObjectAnimator
• AnimatorSet

15 - Notification

Blog / Source Code - 2017.12.04

• Notification.Builder
• NotificationManager

16 - PushMessaging

Blog / Source Code - 2017.12.05

• Firebase
• BroadcastReceiver

17 - PullToRequest

Blog / Source Code

• GridLayoutManager
• CardView
• SwipeRefreshLayout

18 - SlideMenu

Blog / Source Code

• DrawerActivity
• NavigationView
• Toolbar

19 - LittleBirdSound

Blog / Source Code

• MediaPlayer
• MediaRecorder

20 - ActivityTransition

Blog / Source Code

• Transition

21 - LayoutSwitch

Blog / Source Code

• GridLayoutManager
• RecyclerView

22 - LocalDatabase

Blog / SourceCode

• SQLite
• SQLiteOpenHelper

23 - GoogleVoice

Blog / SourceCode

• Android.Speech
• ACTION RECOGNIZE SPEECH
• RecognizerIntent

24 - Painter

Blog / Source Code

• View
• Canvas
• File
• Bitmap

25 - FaceRecognizer

Blog / Source Code

• Face Detector
• Bitmap
• Canvas

26 - ActionSend

Blog / Source Code

• Intent
• Intent Filter

27 - ShakeShake

Blog / Source Code

• SensorManager
• Vibrator

28 - Parks

Blog / Source Code

• TabLayout
• ViewPager
• FragmentPagerAdapter

29 - ShowView

Blog / Source Code

• PopupWindow
• FloatingActionButton
• Animation

30 - VideoPlayer

Blog / Source Code