├── .idea
    └── vcs.xml
├── app
    ├── .gitignore
    ├── build.gradle
    ├── proguard-rules.pro
    └── src
    │   ├── androidTest
    │       └── java
    │       │   └── com
    │       │       └── spartons
    │       │           └── livedataexample
    │       │               └── ExampleInstrumentedTest.kt
    │   ├── main
    │       ├── AndroidManifest.xml
    │       ├── java
    │       │   └── com
    │       │   │   └── spartons
    │       │   │       └── livedataexample
    │       │   │           ├── LiveDataExample.kt
    │       │   │           ├── LiveDataMapExample.kt
    │       │   │           ├── LiveDataSwitchMapExample.kt
    │       │   │           ├── MainActivity.kt
    │       │   │           ├── User.kt
    │       │   │           ├── UserAdapter.kt
    │       │   │           └── UserRepo.kt
    │       └── res
    │       │   ├── drawable-v24
    │       │       └── ic_launcher_foreground.xml
    │       │   ├── drawable
    │       │       └── ic_launcher_background.xml
    │       │   ├── layout
    │       │       ├── activity_main.xml
    │       │       ├── live_data_example.xml
    │       │       ├── live_data_map_example.xml
    │       │       ├── live_data_swicth_map_example.xml
    │       │       └── users_list.xml
    │       │   ├── mipmap-anydpi-v26
    │       │       ├── ic_launcher.xml
    │       │       └── ic_launcher_round.xml
    │       │   ├── mipmap-hdpi
    │       │       ├── ic_launcher.png
    │       │       └── ic_launcher_round.png
    │       │   ├── mipmap-mdpi
    │       │       ├── ic_launcher.png
    │       │       └── ic_launcher_round.png
    │       │   ├── mipmap-xhdpi
    │       │       ├── ic_launcher.png
    │       │       └── ic_launcher_round.png
    │       │   ├── mipmap-xxhdpi
    │       │       ├── ic_launcher.png
    │       │       └── ic_launcher_round.png
    │       │   ├── mipmap-xxxhdpi
    │       │       ├── ic_launcher.png
    │       │       └── ic_launcher_round.png
    │       │   └── values
    │       │       ├── colors.xml
    │       │       ├── strings.xml
    │       │       └── styles.xml
    │   └── test
    │       └── java
    │           └── com
    │               └── spartons
    │                   └── livedataexample
    │                       └── ExampleUnitTest.kt
├── build.gradle
├── gradle.properties
├── gradle
    └── wrapper
    │   └── gradle-wrapper.properties
└── settings.gradle


/.idea/vcs.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="VcsDirectoryMappings">
4 |     <mapping directory="$PROJECT_DIR$" vcs="Git" />
5 |   </component>
6 | </project>


--------------------------------------------------------------------------------
/app/.gitignore:
--------------------------------------------------------------------------------
1 | /build
2 | 


--------------------------------------------------------------------------------
/app/build.gradle:
--------------------------------------------------------------------------------
 1 | apply plugin: 'com.android.application'
 2 | apply plugin: 'kotlin-android'
 3 | apply plugin: 'kotlin-android-extensions'
 4 | 
 5 | android {
 6 |     compileSdkVersion 27
 7 |     defaultConfig {
 8 |         applicationId "com.spartons.livedataexample"
 9 |         minSdkVersion 20
10 |         targetSdkVersion 27
11 |         versionCode 1
12 |         versionName "1.0"
13 |         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
14 |     }
15 |     buildTypes {
16 |         release {
17 |             minifyEnabled false
18 |             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
19 |         }
20 |     }
21 | }
22 | 
23 | dependencies {
24 |     implementation fileTree(dir: 'libs', include: ['*.jar'])
25 |     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
26 |     implementation 'com.android.support:appcompat-v7:27.1.1'
27 |     implementation 'com.android.support:design:27.1.1'
28 |     implementation 'com.android.support:recyclerview-v7:27.1.1'
29 |     implementation 'com.android.support.constraint:constraint-layout:1.1.2'
30 |     implementation 'android.arch.lifecycle:viewmodel:1.1.1'
31 |     implementation "android.arch.lifecycle:extensions:1.1.1"
32 |     implementation 'io.reactivex.rxjava2:rxjava:2.1.8'
33 |     annotationProcessor 'android.arch.lifecycle:compiler:1.1.1'
34 |     implementation 'android.arch.work:work-runtime:1.0.0-alpha04'
35 |     testImplementation 'junit:junit:4.12'
36 |     androidTestImplementation 'com.android.support.test:runner:1.0.2'
37 |     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
38 | }
39 | 


--------------------------------------------------------------------------------
/app/proguard-rules.pro:
--------------------------------------------------------------------------------
 1 | # Add project specific ProGuard rules here.
 2 | # You can control the set of applied configuration files using the
 3 | # proguardFiles setting in build.gradle.
 4 | #
 5 | # For more details, see
 6 | #   http://developer.android.com/guide/developing/tools/proguard.html
 7 | 
 8 | # If your project uses WebView with JS, uncomment the following
 9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | #   public *;
13 | #}
14 | 
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 | 
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 | 


--------------------------------------------------------------------------------
/app/src/androidTest/java/com/spartons/livedataexample/ExampleInstrumentedTest.kt:
--------------------------------------------------------------------------------
 1 | package com.spartons.livedataexample
 2 | 
 3 | import android.support.test.InstrumentationRegistry
 4 | import android.support.test.runner.AndroidJUnit4
 5 | 
 6 | import org.junit.Test
 7 | import org.junit.runner.RunWith
 8 | 
 9 | import org.junit.Assert.*
10 | 
11 | /**
12 |  * Instrumented test, which will execute on an Android device.
13 |  *
14 |  * See [testing documentation](http://d.android.com/tools/testing).
15 |  */
16 | @RunWith(AndroidJUnit4::class)
17 | class ExampleInstrumentedTest {
18 |     @Test
19 |     fun useAppContext() {
20 |         // Context of the app under test.
21 |         val appContext = InstrumentationRegistry.getTargetContext()
22 |         assertEquals("com.spartons.livedataexample", appContext.packageName)
23 |     }
24 | }
25 | 


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/app/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="com.spartons.livedataexample">
 4 | 
 5 |     <application
 6 |         android:allowBackup="true"
 7 |         android:icon="@mipmap/ic_launcher"
 8 |         android:label="@string/app_name"
 9 |         android:roundIcon="@mipmap/ic_launcher_round"
10 |         android:supportsRtl="true"
11 |         android:theme="@style/AppTheme">
12 |         <activity android:name=".MainActivity">
13 |             <intent-filter>
14 |                 <action android:name="android.intent.action.MAIN" />
15 | 
16 |                 <category android:name="android.intent.category.LAUNCHER" />
17 |             </intent-filter>
18 |         </activity>
19 | 
20 |         <activity
21 |             android:name=".LiveDataExample"
22 |             android:screenOrientation="portrait"
23 |             android:windowSoftInputMode="stateHidden" />
24 | 
25 |         <activity
26 |             android:name=".LiveDataMapExample"
27 |             android:screenOrientation="portrait"
28 |             android:windowSoftInputMode="stateHidden" />
29 | 
30 |         <activity
31 |             android:name=".LiveDataSwitchMapExample"
32 |             android:screenOrientation="portrait"
33 |             android:windowSoftInputMode="stateHidden" />
34 | 
35 |     </application>
36 | 
37 | </manifest>


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/app/src/main/java/com/spartons/livedataexample/LiveDataExample.kt:
--------------------------------------------------------------------------------
 1 | package com.spartons.livedataexample
 2 | 
 3 | import android.arch.lifecycle.MutableLiveData
 4 | import android.arch.lifecycle.Observer
 5 | import android.arch.lifecycle.ViewModel
 6 | import android.arch.lifecycle.ViewModelProviders
 7 | import android.content.Context
 8 | import android.content.Intent
 9 | import android.os.Bundle
10 | import android.support.v7.app.AppCompatActivity
11 | import android.util.Log
12 | import io.reactivex.Observable
13 | import kotlinx.android.synthetic.main.live_data_example.*
14 | import java.util.*
15 | import java.util.concurrent.TimeUnit
16 | 
17 | class LiveDataExample : AppCompatActivity() {
18 | 
19 |     companion object {
20 |         fun getLiveData(callingClassContext: Context) = Intent(callingClassContext, LiveDataExample::class.java)
21 |     }
22 | 
23 |     override fun onCreate(savedInstanceState: Bundle?) {
24 |         super.onCreate(savedInstanceState)
25 |         setContentView(R.layout.live_data_example)
26 |         val timeChangerViewModel = ViewModelProviders.of(this).get(TimeChangerViewModel::class.java)
27 |         val calendar = Calendar.getInstance()
28 |         timeChangerViewModel.timerValue.observe(this, Observer<Long> { t ->
29 |             calendar?.timeInMillis = t!!
30 |             timTextView.text = calendar.time.toString()
31 |         })
32 |     }
33 | }
34 | 
35 | class TimeChangerViewModel : ViewModel() {
36 | 
37 |     val timerValue = MutableLiveData<Long>()
38 | 
39 |     init {
40 |         Log.e("Model", "initialize")
41 |         timerValue.value = System.currentTimeMillis()
42 |         startTimer()
43 |     }
44 | 
45 |     private fun startTimer() {
46 |         Observable.interval(2, 2, TimeUnit.SECONDS)
47 |                 .subscribe({
48 |                     Log.e("Model", it.toString())
49 |                     timerValue.postValue(System.currentTimeMillis())
50 |                 }, Throwable::printStackTrace)
51 |     }
52 | 
53 | }


--------------------------------------------------------------------------------
/app/src/main/java/com/spartons/livedataexample/LiveDataMapExample.kt:
--------------------------------------------------------------------------------
 1 | package com.spartons.livedataexample
 2 | 
 3 | import android.arch.lifecycle.*
 4 | import android.content.Context
 5 | import android.content.Intent
 6 | import android.os.Bundle
 7 | import android.support.design.widget.Snackbar
 8 | import android.support.v7.app.AppCompatActivity
 9 | import kotlinx.android.synthetic.main.live_data_example.*
10 | import kotlinx.android.synthetic.main.live_data_map_example.*
11 | 
12 | class LiveDataMapExample : AppCompatActivity() {
13 | 
14 |     companion object {
15 |         fun getMapLiveData(callingClassContext: Context) = Intent(callingClassContext, LiveDataMapExample::class.java)
16 |     }
17 | 
18 |     override fun onCreate(savedInstanceState: Bundle?) {
19 |         super.onCreate(savedInstanceState)
20 |         setContentView(R.layout.live_data_map_example)
21 |         val viewModel = ViewModelProviders.of(this).get(TransformationViewModel::class.java)
22 |         viewModel.userAddedData.observe(this, Observer<String> { t -> Snackbar.make(mapActivityRootView, t!!, Snackbar.LENGTH_SHORT).show() })
23 |         addUserButton.setOnClickListener {
24 |             viewModel.addNewUser(User(addNewEditText.text.toString()))
25 |         }
26 |     }
27 | }
28 | 
29 | class TransformationViewModel : ViewModel() {
30 | 
31 |     private val userLiveData = MutableLiveData<User>()
32 | 
33 |     val userAddedData: LiveData<String> = Transformations.map(userLiveData, ::someFunc)
34 | 
35 |     private fun someFunc(user: User) = "New user ${user.username} added to database!"
36 | 
37 |     fun addNewUser(user: User) = apply { userLiveData.value = user }
38 | }


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/app/src/main/java/com/spartons/livedataexample/LiveDataSwitchMapExample.kt:
--------------------------------------------------------------------------------
 1 | package com.spartons.livedataexample
 2 | 
 3 | import android.arch.lifecycle.*
 4 | import android.content.Context
 5 | import android.content.Intent
 6 | import android.os.Bundle
 7 | import android.support.v7.app.AppCompatActivity
 8 | import android.support.v7.widget.LinearLayoutManager
 9 | import kotlinx.android.synthetic.main.live_data_swicth_map_example.*
10 | 
11 | class LiveDataSwitchMapExample : AppCompatActivity() {
12 | 
13 |     companion object {
14 |         fun getSwitchMapLiveData(callingClassContext: Context) = Intent(callingClassContext, LiveDataSwitchMapExample::class.java)
15 |     }
16 | 
17 |     private val userList: MutableList<User> = ArrayList()
18 |     private lateinit var userAdapter: UserAdapter
19 | 
20 |     override fun onCreate(savedInstanceState: Bundle?) {
21 |         super.onCreate(savedInstanceState)
22 |         setContentView(R.layout.live_data_swicth_map_example)
23 |         userRecyclerView.layoutManager = LinearLayoutManager(this)
24 |         userRecyclerView.setHasFixedSize(true)
25 |         userAdapter = UserAdapter(this, userList)
26 |         userRecyclerView.adapter = userAdapter
27 |         val viewModel = ViewModelProviders.of(this).get(UserViewModel::class.java)
28 |         addUserButton.setOnClickListener { viewModel.searchUserByName(addNewEditText.text.toString()) }
29 |         viewModel.userNameResult.observe(this, Observer {
30 |             if (userList.isNotEmpty())
31 |                 userList.clear()
32 |             userList.addAll(it!!)
33 |             userAdapter.notifyDataSetChanged()
34 |         })
35 |     }
36 | }
37 | 
38 | class UserViewModel : ViewModel() {
39 | 
40 |     private val query = MutableLiveData<String>()
41 |     private val userRepo = UserRepo()
42 | 
43 |     val userNameResult: LiveData<List<User>> = Transformations.switchMap(
44 |             query,
45 |             ::temp
46 |     )
47 | 
48 |     private fun temp(name: String) = userRepo.searchUserWithName(name)
49 | 
50 |     fun searchUserByName(name: String) = apply { query.value = name }
51 | }


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/app/src/main/java/com/spartons/livedataexample/MainActivity.kt:
--------------------------------------------------------------------------------
 1 | package com.spartons.livedataexample
 2 | 
 3 | import android.support.v7.app.AppCompatActivity
 4 | import android.os.Bundle
 5 | import kotlinx.android.synthetic.main.activity_main.*
 6 | 
 7 | class MainActivity : AppCompatActivity() {
 8 | 
 9 |     override fun onCreate(savedInstanceState: Bundle?) {
10 |         super.onCreate(savedInstanceState)
11 |         setContentView(R.layout.activity_main)
12 |         liveDataExampleButton.setOnClickListener { startActivity(LiveDataExample.getLiveData(this)) }
13 |         liveDataMapExampleButton.setOnClickListener { startActivity(LiveDataMapExample.getMapLiveData(this)) }
14 |         liveDataSwitchMapExampleButton.setOnClickListener { startActivity(LiveDataSwitchMapExample.getSwitchMapLiveData(this)) }
15 |     }
16 | }
17 | 


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/app/src/main/java/com/spartons/livedataexample/User.kt:
--------------------------------------------------------------------------------
1 | package com.spartons.livedataexample
2 | 
3 | data class User(val username: String)


--------------------------------------------------------------------------------
/app/src/main/java/com/spartons/livedataexample/UserAdapter.kt:
--------------------------------------------------------------------------------
 1 | package com.spartons.livedataexample
 2 | 
 3 | import android.content.Context
 4 | import android.support.v7.widget.RecyclerView
 5 | import android.view.LayoutInflater
 6 | import android.view.View
 7 | import android.view.ViewGroup
 8 | import android.widget.TextView
 9 | 
10 | class UserAdapter(context: Context, private val userList: List<User>) : RecyclerView.Adapter<UserViewHolder>() {
11 | 
12 |     private val layoutInflater = LayoutInflater.from(context)
13 | 
14 |     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): UserViewHolder {
15 |         return UserViewHolder(layoutInflater.inflate(R.layout.users_list, parent, false))
16 |     }
17 | 
18 |     override fun getItemCount() = userList.size
19 | 
20 |     override fun onBindViewHolder(holder: UserViewHolder, position: Int) {
21 |         val user = userList[position]
22 |         holder.userNameTextView.text = user.username
23 |     }
24 | }
25 | 
26 | class UserViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
27 | 
28 |     val userNameTextView: TextView = itemView.findViewById(R.id.userNameTextView)
29 | }


--------------------------------------------------------------------------------
/app/src/main/java/com/spartons/livedataexample/UserRepo.kt:
--------------------------------------------------------------------------------
 1 | package com.spartons.livedataexample
 2 | 
 3 | import android.arch.lifecycle.LiveData
 4 | import android.arch.lifecycle.MutableLiveData
 5 | 
 6 | class UserRepo {
 7 | 
 8 |     private val userList: MutableList<User> = ArrayList()
 9 | 
10 |     init {
11 |         for (i in 1..100)
12 |             userList.add(User("Hello user $i"))
13 |     }
14 | 
15 |     fun searchUserWithName(name: String): LiveData<List<User>> {
16 |         val searchUserList = ArrayList<User>()
17 |         for (user in userList)
18 |             if (user.username.contains(regex = Regex(name)))
19 |                 searchUserList.add(user)
20 |         val temp = MutableLiveData<List<User>>()
21 |         temp.value = searchUserList
22 |         return temp
23 |     }
24 | }
25 | 


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/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
--------------------------------------------------------------------------------
 1 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:aapt="http://schemas.android.com/aapt"
 3 |     android:width="108dp"
 4 |     android:height="108dp"
 5 |     android:viewportHeight="108"
 6 |     android:viewportWidth="108">
 7 |     <path
 8 |         android:fillType="evenOdd"
 9 |         android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
10 |         android:strokeColor="#00000000"
11 |         android:strokeWidth="1">
12 |         <aapt:attr name="android:fillColor">
13 |             <gradient
14 |                 android:endX="78.5885"
15 |                 android:endY="90.9159"
16 |                 android:startX="48.7653"
17 |                 android:startY="61.0927"
18 |                 android:type="linear">
19 |                 <item
20 |                     android:color="#44000000"
21 |                     android:offset="0.0" />
22 |                 <item
23 |                     android:color="#00000000"
24 |                     android:offset="1.0" />
25 |             </gradient>
26 |         </aapt:attr>
27 |     </path>
28 |     <path
29 |         android:fillColor="#FFFFFF"
30 |         android:fillType="nonZero"
31 |         android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
32 |         android:strokeColor="#00000000"
33 |         android:strokeWidth="1" />
34 | </vector>
35 | 


--------------------------------------------------------------------------------
/app/src/main/res/drawable/ic_launcher_background.xml:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="utf-8"?>
  2 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
  3 |     android:width="108dp"
  4 |     android:height="108dp"
  5 |     android:viewportHeight="108"
  6 |     android:viewportWidth="108">
  7 |     <path
  8 |         android:fillColor="#26A69A"
  9 |         android:pathData="M0,0h108v108h-108z" />
 10 |     <path
 11 |         android:fillColor="#00000000"
 12 |         android:pathData="M9,0L9,108"
 13 |         android:strokeColor="#33FFFFFF"
 14 |         android:strokeWidth="0.8" />
 15 |     <path
 16 |         android:fillColor="#00000000"
 17 |         android:pathData="M19,0L19,108"
 18 |         android:strokeColor="#33FFFFFF"
 19 |         android:strokeWidth="0.8" />
 20 |     <path
 21 |         android:fillColor="#00000000"
 22 |         android:pathData="M29,0L29,108"
 23 |         android:strokeColor="#33FFFFFF"
 24 |         android:strokeWidth="0.8" />
 25 |     <path
 26 |         android:fillColor="#00000000"
 27 |         android:pathData="M39,0L39,108"
 28 |         android:strokeColor="#33FFFFFF"
 29 |         android:strokeWidth="0.8" />
 30 |     <path
 31 |         android:fillColor="#00000000"
 32 |         android:pathData="M49,0L49,108"
 33 |         android:strokeColor="#33FFFFFF"
 34 |         android:strokeWidth="0.8" />
 35 |     <path
 36 |         android:fillColor="#00000000"
 37 |         android:pathData="M59,0L59,108"
 38 |         android:strokeColor="#33FFFFFF"
 39 |         android:strokeWidth="0.8" />
 40 |     <path
 41 |         android:fillColor="#00000000"
 42 |         android:pathData="M69,0L69,108"
 43 |         android:strokeColor="#33FFFFFF"
 44 |         android:strokeWidth="0.8" />
 45 |     <path
 46 |         android:fillColor="#00000000"
 47 |         android:pathData="M79,0L79,108"
 48 |         android:strokeColor="#33FFFFFF"
 49 |         android:strokeWidth="0.8" />
 50 |     <path
 51 |         android:fillColor="#00000000"
 52 |         android:pathData="M89,0L89,108"
 53 |         android:strokeColor="#33FFFFFF"
 54 |         android:strokeWidth="0.8" />
 55 |     <path
 56 |         android:fillColor="#00000000"
 57 |         android:pathData="M99,0L99,108"
 58 |         android:strokeColor="#33FFFFFF"
 59 |         android:strokeWidth="0.8" />
 60 |     <path
 61 |         android:fillColor="#00000000"
 62 |         android:pathData="M0,9L108,9"
 63 |         android:strokeColor="#33FFFFFF"
 64 |         android:strokeWidth="0.8" />
 65 |     <path
 66 |         android:fillColor="#00000000"
 67 |         android:pathData="M0,19L108,19"
 68 |         android:strokeColor="#33FFFFFF"
 69 |         android:strokeWidth="0.8" />
 70 |     <path
 71 |         android:fillColor="#00000000"
 72 |         android:pathData="M0,29L108,29"
 73 |         android:strokeColor="#33FFFFFF"
 74 |         android:strokeWidth="0.8" />
 75 |     <path
 76 |         android:fillColor="#00000000"
 77 |         android:pathData="M0,39L108,39"
 78 |         android:strokeColor="#33FFFFFF"
 79 |         android:strokeWidth="0.8" />
 80 |     <path
 81 |         android:fillColor="#00000000"
 82 |         android:pathData="M0,49L108,49"
 83 |         android:strokeColor="#33FFFFFF"
 84 |         android:strokeWidth="0.8" />
 85 |     <path
 86 |         android:fillColor="#00000000"
 87 |         android:pathData="M0,59L108,59"
 88 |         android:strokeColor="#33FFFFFF"
 89 |         android:strokeWidth="0.8" />
 90 |     <path
 91 |         android:fillColor="#00000000"
 92 |         android:pathData="M0,69L108,69"
 93 |         android:strokeColor="#33FFFFFF"
 94 |         android:strokeWidth="0.8" />
 95 |     <path
 96 |         android:fillColor="#00000000"
 97 |         android:pathData="M0,79L108,79"
 98 |         android:strokeColor="#33FFFFFF"
 99 |         android:strokeWidth="0.8" />
100 |     <path
101 |         android:fillColor="#00000000"
102 |         android:pathData="M0,89L108,89"
103 |         android:strokeColor="#33FFFFFF"
104 |         android:strokeWidth="0.8" />
105 |     <path
106 |         android:fillColor="#00000000"
107 |         android:pathData="M0,99L108,99"
108 |         android:strokeColor="#33FFFFFF"
109 |         android:strokeWidth="0.8" />
110 |     <path
111 |         android:fillColor="#00000000"
112 |         android:pathData="M19,29L89,29"
113 |         android:strokeColor="#33FFFFFF"
114 |         android:strokeWidth="0.8" />
115 |     <path
116 |         android:fillColor="#00000000"
117 |         android:pathData="M19,39L89,39"
118 |         android:strokeColor="#33FFFFFF"
119 |         android:strokeWidth="0.8" />
120 |     <path
121 |         android:fillColor="#00000000"
122 |         android:pathData="M19,49L89,49"
123 |         android:strokeColor="#33FFFFFF"
124 |         android:strokeWidth="0.8" />
125 |     <path
126 |         android:fillColor="#00000000"
127 |         android:pathData="M19,59L89,59"
128 |         android:strokeColor="#33FFFFFF"
129 |         android:strokeWidth="0.8" />
130 |     <path
131 |         android:fillColor="#00000000"
132 |         android:pathData="M19,69L89,69"
133 |         android:strokeColor="#33FFFFFF"
134 |         android:strokeWidth="0.8" />
135 |     <path
136 |         android:fillColor="#00000000"
137 |         android:pathData="M19,79L89,79"
138 |         android:strokeColor="#33FFFFFF"
139 |         android:strokeWidth="0.8" />
140 |     <path
141 |         android:fillColor="#00000000"
142 |         android:pathData="M29,19L29,89"
143 |         android:strokeColor="#33FFFFFF"
144 |         android:strokeWidth="0.8" />
145 |     <path
146 |         android:fillColor="#00000000"
147 |         android:pathData="M39,19L39,89"
148 |         android:strokeColor="#33FFFFFF"
149 |         android:strokeWidth="0.8" />
150 |     <path
151 |         android:fillColor="#00000000"
152 |         android:pathData="M49,19L49,89"
153 |         android:strokeColor="#33FFFFFF"
154 |         android:strokeWidth="0.8" />
155 |     <path
156 |         android:fillColor="#00000000"
157 |         android:pathData="M59,19L59,89"
158 |         android:strokeColor="#33FFFFFF"
159 |         android:strokeWidth="0.8" />
160 |     <path
161 |         android:fillColor="#00000000"
162 |         android:pathData="M69,19L69,89"
163 |         android:strokeColor="#33FFFFFF"
164 |         android:strokeWidth="0.8" />
165 |     <path
166 |         android:fillColor="#00000000"
167 |         android:pathData="M79,19L79,89"
168 |         android:strokeColor="#33FFFFFF"
169 |         android:strokeWidth="0.8" />
170 | </vector>
171 | 


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/app/src/main/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     xmlns:app="http://schemas.android.com/apk/res-auto"
 4 |     xmlns:tools="http://schemas.android.com/tools"
 5 |     android:layout_width="match_parent"
 6 |     android:layout_height="match_parent"
 7 |     android:layout_margin="30dp"
 8 |     android:orientation="vertical"
 9 |     tools:context=".MainActivity">
10 | 
11 |     <Button
12 |         android:id="@+id/liveDataExampleButton"
13 |         android:layout_width="match_parent"
14 |         android:layout_height="wrap_content"
15 |         android:text="@string/live_data_example" />
16 | 
17 |     <Button
18 |         android:id="@+id/liveDataMapExampleButton"
19 |         android:layout_width="match_parent"
20 |         android:layout_height="wrap_content"
21 |         android:layout_marginTop="15dp"
22 |         android:text="@string/live_data_map_example" />
23 | 
24 |     <Button
25 |         android:id="@+id/liveDataSwitchMapExampleButton"
26 |         android:layout_width="match_parent"
27 |         android:layout_height="wrap_content"
28 |         android:layout_marginTop="15dp"
29 |         android:text="@string/live_data_switch_map_example" />
30 | 
31 | </LinearLayout>


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/app/src/main/res/layout/live_data_example.xml:
--------------------------------------------------------------------------------
 1 | <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:tools="http://schemas.android.com/tools"
 3 |     android:id="@+id/mainActivityRootView"
 4 |     android:layout_width="match_parent"
 5 |     android:layout_height="match_parent"
 6 |     tools:context=".MainActivity">
 7 | 
 8 |     <TextView
 9 |         android:id="@+id/timTextView"
10 |         android:layout_width="wrap_content"
11 |         android:layout_height="wrap_content"
12 |         android:layout_centerInParent="true"
13 |         android:textColor="#BDBDBD"
14 |         android:textSize="25sp" />
15 | 
16 | </RelativeLayout>


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/app/src/main/res/layout/live_data_map_example.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:id="@+id/mapActivityRootView"
 4 |     android:layout_width="match_parent"
 5 |     android:layout_height="match_parent">
 6 | 
 7 |     <EditText
 8 |         android:id="@+id/addNewEditText"
 9 |         android:layout_width="match_parent"
10 |         android:layout_height="wrap_content"
11 |         android:layout_margin="10dp"
12 |         android:hint="@string/username"
13 |         android:inputType="text" />
14 | 
15 |     <Button
16 |         android:id="@+id/addUserButton"
17 |         android:layout_width="wrap_content"
18 |         android:layout_height="wrap_content"
19 |         android:layout_alignParentEnd="true"
20 |         android:layout_below="@+id/addNewEditText"
21 |         android:layout_marginEnd="10dp"
22 |         android:layout_marginTop="10dp"
23 |         android:text="@string/add_user" />
24 | 
25 | </RelativeLayout>
26 | 


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/app/src/main/res/layout/live_data_swicth_map_example.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     xmlns:tools="http://schemas.android.com/tools"
 4 |     android:id="@+id/mainActivityRootView"
 5 |     android:layout_width="match_parent"
 6 |     android:layout_height="match_parent"
 7 |     tools:context=".MainActivity">
 8 | 
 9 |     <EditText
10 |         android:id="@+id/addNewEditText"
11 |         android:layout_width="match_parent"
12 |         android:layout_height="wrap_content"
13 |         android:layout_margin="10dp"
14 |         android:hint="@string/username"
15 |         android:inputType="text" />
16 | 
17 |     <Button
18 |         android:id="@+id/addUserButton"
19 |         android:layout_width="wrap_content"
20 |         android:layout_height="wrap_content"
21 |         android:layout_alignParentEnd="true"
22 |         android:layout_below="@+id/addNewEditText"
23 |         android:layout_marginEnd="10dp"
24 |         android:text="@string/search_user" />
25 | 
26 |     <android.support.v7.widget.RecyclerView
27 |         android:id="@+id/userRecyclerView"
28 |         android:layout_width="match_parent"
29 |         android:layout_height="wrap_content"
30 |         android:layout_below="@+id/addUserButton">
31 | 
32 |     </android.support.v7.widget.RecyclerView>
33 | 
34 | </RelativeLayout>


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/app/src/main/res/layout/users_list.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="wrap_content">
 5 | 
 6 |     <TextView
 7 |         android:id="@+id/userNameTextView"
 8 |         android:layout_width="match_parent"
 9 |         android:layout_height="wrap_content"
10 |         android:padding="10dp"
11 |         android:textColor="#000"
12 |         android:textSize="14sp" />
13 | 
14 | </FrameLayout>


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 | </adaptive-icon>


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 | </adaptive-icon>


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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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/app/src/main/res/mipmap-hdpi/ic_launcher_round.png:
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/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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/app/src/main/res/mipmap-mdpi/ic_launcher_round.png:
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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png:
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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png:
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png:
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/app/src/main/res/values/colors.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="utf-8"?>
2 | <resources>
3 |     <color name="colorPrimary">#3F51B5</color>
4 |     <color name="colorPrimaryDark">#303F9F</color>
5 |     <color name="colorAccent">#FF4081</color>
6 | </resources>
7 | 


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/app/src/main/res/values/strings.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 |     <string name="app_name">LiveDataExample</string>
 3 |     <string name="live_data_example">Live Data Example</string>
 4 |     <string name="live_data_map_example">LiveData Map Example</string>
 5 |     <string name="live_data_switch_map_example">LiveData SwicthMap Example</string>
 6 |     <string name="username">Username</string>
 7 |     <string name="add_user">Add User</string>
 8 |     <string name="search_user">Search User</string>
 9 | </resources>
10 | 


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/app/src/main/res/values/styles.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!-- Base application theme. -->
 4 |     <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
 5 |         <!-- Customize your theme here. -->
 6 |         <item name="colorPrimary">@color/colorPrimary</item>
 7 |         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
 8 |         <item name="colorAccent">@color/colorAccent</item>
 9 |     </style>
10 | 
11 | </resources>
12 | 


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/app/src/test/java/com/spartons/livedataexample/ExampleUnitTest.kt:
--------------------------------------------------------------------------------
 1 | package com.spartons.livedataexample
 2 | 
 3 | import org.junit.Test
 4 | 
 5 | import org.junit.Assert.*
 6 | 
 7 | /**
 8 |  * Example local unit test, which will execute on the development machine (host).
 9 |  *
10 |  * See [testing documentation](http://d.android.com/tools/testing).
11 |  */
12 | class ExampleUnitTest {
13 |     @Test
14 |     fun addition_isCorrect() {
15 |         assertEquals(4, 2 + 2)
16 |     }
17 | }
18 | 


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/build.gradle:
--------------------------------------------------------------------------------
 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules.
 2 | 
 3 | buildscript {
 4 |     ext.kotlin_version = '1.2.50'
 5 |     repositories {
 6 |         google()
 7 |         jcenter()
 8 |     }
 9 |     dependencies {
10 |         classpath 'com.android.tools.build:gradle:3.1.3'
11 |         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
12 | 
13 |         // NOTE: Do not place your application dependencies here; they belong
14 |         // in the individual module build.gradle files
15 |     }
16 | }
17 | 
18 | allprojects {
19 |     repositories {
20 |         google()
21 |         jcenter()
22 |     }
23 | }
24 | 
25 | task clean(type: Delete) {
26 |     delete rootProject.buildDir
27 | }
28 | 


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/gradle.properties:
--------------------------------------------------------------------------------
 1 | # Project-wide Gradle settings.
 2 | # IDE (e.g. Android Studio) users:
 3 | # Gradle settings configured through the IDE *will override*
 4 | # any settings specified in this file.
 5 | # For more details on how to configure your build environment visit
 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html
 7 | # Specifies the JVM arguments used for the daemon process.
 8 | # The setting is particularly useful for tweaking memory settings.
 9 | org.gradle.jvmargs=-Xmx1536m
10 | # When configured, Gradle will run in incubating parallel mode.
11 | # This option should only be used with decoupled projects. More details, visit
12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
13 | # org.gradle.parallel=true
14 | 


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/gradle/wrapper/gradle-wrapper.properties:
--------------------------------------------------------------------------------
1 | #Tue Jul 24 02:13:51 PKT 2018
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
7 | 


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/settings.gradle:
--------------------------------------------------------------------------------
1 | include ':app'
2 | 


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