first commit

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-android'
+
+android {
+    compileSdkVersion 28
+    buildToolsVersion '28.0.3'
+
+    defaultConfig {
+        applicationId "com.aliasadi.mvvm"
+        minSdkVersion 23
+        targetSdkVersion 28
+        versionCode 1
+
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    //android support
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support:recyclerview-v7:28.0.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+
+    //gson
+    implementation 'com.google.code.gson:gson:2.8.5'
+
+    //extensions
+    implementation "android.arch.lifecycle:extensions:1.1.1"
+
+    //coroutines
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.3"
+
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+
+}
+repositories {
+    mavenCentral()
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.speed.mvvm">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:name=".CSVApp"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+
+        <activity android:name="com.speed.mvvm.ui.main.MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity android:name="com.speed.mvvm.ui.details.DetailsActivity" />
+
+    </application>
+
+</manifest>

app/src/main/java/com/speed/mvvm/CSVApp.java

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+package com.speed.mvvm;
+
+import android.app.Application;
+
+public class CSVApp extends Application {
+
+    private static CSVApp sInstance;
+
+    public static CSVApp getInstance() {
+        return sInstance;
+    }
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        sInstance = this;
+    }
+
+}

app/src/main/java/com/speed/mvvm/CSVReader.kt

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+package com.speed.mvvm
+
+import com.speed.mvvm.data.network.model.Person
+import java.io.BufferedReader
+import java.io.InputStream
+import java.io.InputStreamReader
+import java.nio.charset.Charset
+
+class CSVReader {
+    companion object {
+        fun createListFromFile(file: InputStream): List<Person>? {
+            val list: ArrayList<Person> = ArrayList()
+
+            val reader = BufferedReader(InputStreamReader(file, Charset.forName("UTF-8")))
+            reader.readLines().forEach {
+
+                val items = it.split(",")
+                try {
+                    list.add(Person(replaceQuotationMarks(items[0]),
+                            replaceQuotationMarks(items[1]),
+                            replaceQuotationMarks(items[2]),
+                            replaceQuotationMarks(items[3])))
+                } catch (e: IndexOutOfBoundsException) {
+                    println("Item was malformed")
+                }
+            }
+
+            //remove first item with column descriptors
+            if (list.size > 0) list.removeAt(0)
+
+            return list
+        }
+
+        private fun replaceQuotationMarks(item: String) =
+                item.replace("\"", "")
+    }
+}

app/src/main/java/com/speed/mvvm/DateUtils.kt

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+package com.speed.mvvm
+
+import android.os.Build
+import android.support.annotation.RequiresApi
+import java.time.LocalDateTime
+import java.time.format.DateTimeFormatter
+
+class DateUtils {
+    companion object {
+
+        @RequiresApi(Build.VERSION_CODES.O)
+        fun formatDate(dateOfBirth: String?): String {
+            try {
+                if (dateOfBirth.isNullOrBlank()) return ""
+
+                val localDateTime: LocalDateTime = LocalDateTime.parse(dateOfBirth)
+                val formatter = DateTimeFormatter.ofPattern("dd MMM yyyy '-' hh:mma")
+                return formatter.format(localDateTime)
+            } catch (e: Throwable) {
+                return dateOfBirth ?: ""
+            }
+        }
+    }
+
+}

app/src/main/java/com/speed/mvvm/ViewExtensions.kt

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+package com.speed.mvvm
+
+import android.app.Activity
+import android.support.annotation.IdRes
+import android.view.View
+
+fun <T : View> Activity.bind(@IdRes idRes: Int): Lazy<T> {
+    @Suppress("UNCHECKED_CAST")
+    return unsafeLazy { findViewById<T>(idRes) }
+}
+
+fun <T : View> View.bind(@IdRes idRes: Int): Lazy<T> {
+    @Suppress("UNCHECKED_CAST")
+    return unsafeLazy { findViewById<T>(idRes) }
+}
+
+private fun <T> unsafeLazy(initializer: () -> T) = lazy(LazyThreadSafetyMode.NONE, initializer)

app/src/main/java/com/speed/mvvm/data/network/model/Person.kt

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+package com.speed.mvvm.data.network.model
+
+import android.os.Parcel
+import android.os.Parcelable
+import com.google.gson.annotations.Expose
+import com.google.gson.annotations.SerializedName
+
+class Person : Parcelable {
+    @Expose
+    @SerializedName("First name")
+    var firstName: String
+        private set
+    @Expose
+    @SerializedName("Sur name")
+    var surname: String
+        private set
+    @Expose
+    @SerializedName("Issue count")
+    var issueCount: String
+        private set
+    @Expose
+    @SerializedName("Date of birth")
+    var dateOfBirth: String
+        private set
+
+    protected constructor(`in`: Parcel) {
+        firstName = `in`.readString() ?: ""
+        surname = `in`.readString() ?: ""
+        issueCount = `in`.readString() ?: ""
+        dateOfBirth = `in`.readString() ?: ""
+    }
+
+    constructor(firstName: String, surname: String, issueCount: String, dateOfBirth: String) {
+        this.firstName = firstName
+        this.surname = surname
+        this.issueCount = issueCount
+        this.dateOfBirth = dateOfBirth
+    }
+
+
+    override fun describeContents(): Int {
+        return 0
+    }
+
+    override fun writeToParcel(parcel: Parcel, i: Int) {
+        parcel.writeString(firstName)
+        parcel.writeString(surname)
+        parcel.writeString(issueCount)
+        parcel.writeString(dateOfBirth)
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as Person
+
+        if (firstName != other.firstName) return false
+        if (surname != other.surname) return false
+        if (issueCount != other.issueCount) return false
+        if (dateOfBirth != other.dateOfBirth) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = firstName.hashCode()
+        result = 31 * result + surname.hashCode()
+        result = 31 * result + issueCount.hashCode()
+        result = 31 * result + dateOfBirth.hashCode()
+        return result
+    }
+
+    companion object CREATOR : Parcelable.Creator<Person> {
+        override fun createFromParcel(parcel: Parcel): Person {
+            return Person(parcel)
+        }
+
+        override fun newArray(size: Int): Array<Person?> {
+            return arrayOfNulls(size)
+        }
+    }
+}

app/src/main/java/com/speed/mvvm/ui/base/BaseActivity.kt

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+package com.speed.mvvm.ui.base
+
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+
+abstract class BaseActivity<VM : BaseViewModel?> : AppCompatActivity() {
+    @JvmField
+    protected var viewModel: VM? = null
+    protected abstract fun createViewModel(): VM
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        viewModel = createViewModel()
+    }
+}

app/src/main/java/com/speed/mvvm/ui/base/BaseViewModel.kt

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+package com.speed.mvvm.ui.base
+
+import android.arch.lifecycle.ViewModel
+
+abstract class BaseViewModel : ViewModel()

app/src/main/java/com/speed/mvvm/ui/details/DetailsActivity.kt

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+package com.speed.mvvm.ui.details
+
+import android.arch.lifecycle.Observer
+import android.arch.lifecycle.ViewModelProviders
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.os.Bundle
+import android.widget.TextView
+import com.speed.mvvm.DateUtils
+import com.speed.mvvm.R
+import com.speed.mvvm.bind
+import com.speed.mvvm.data.network.model.Person
+import com.speed.mvvm.ui.base.BaseActivity
+
+class DetailsActivity : BaseActivity<DetailsViewModel>() {
+
+    private val firstName by bind<TextView>(R.id.firstName)
+    private val surname by bind<TextView>(R.id.surname)
+    private val dateOfBirth by bind<TextView>(R.id.dateOfBirth)
+    private val issues by bind<TextView>(R.id.issues)
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_details)
+        viewModel?.loadPersonData()
+        viewModel?.personLiveData?.observe(this, PersonObserver())
+    }
+
+    override fun createViewModel(): DetailsViewModel {
+        val person: Person = intent.getParcelableExtra(EXTRA_PERSON)
+        val factory = DetailsViewModelFactory(person)
+        return ViewModelProviders.of(this, factory).get(DetailsViewModel::class.java)
+    }
+
+    private inner class PersonObserver : Observer<Person?> {
+        override fun onChanged(person: Person?) {
+            if (person == null) return
+            firstName.text = person.firstName
+            surname.text = person.surname
+            dateOfBirth.text = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                DateUtils.formatDate(person.dateOfBirth)
+            } else {
+                person.dateOfBirth
+            }
+            issues.text = person.issueCount
+        }
+    }
+
+    companion object {
+        private const val EXTRA_PERSON = "EXTRA_PERSON"
+        @JvmStatic
+        fun start(context: Context, person: Person?) {
+            val intent = Intent(context, DetailsActivity::class.java)
+            intent.putExtra(EXTRA_PERSON, person)
+            context.startActivity(intent)
+        }
+    }
+}

app/src/main/java/com/speed/mvvm/ui/details/DetailsViewModel.kt

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+package com.speed.mvvm.ui.details
+
+import android.arch.lifecycle.MutableLiveData
+import com.speed.mvvm.data.network.model.Person
+import com.speed.mvvm.ui.base.BaseViewModel
+
+class DetailsViewModel(private var person: Person) : BaseViewModel() {
+    val personLiveData = MutableLiveData<Person>()
+
+    fun loadPersonData() {
+        personLiveData.postValue(person)
+    }
+
+}