Set up initial contract to autocomplete places (#1)

* improve demo sample to test textView observable

* define contract for api and implement initial unit tests with mocks

* creating entities to deserialize json data into domain objects

* add google maps api with retrofit implementation

* create unit tests to cover query window behavior

* add requested changes

* add .travis.yml

* simplify travis.yml

* add jdk to travis.yml

* handle local.properties absece

* solve lint problems

* fix travis.yml to accept all licenses

* fix travis.yml again

* remove constraint layout from dependencies

.travis.yml

@@ -0,0 +1,31 @@
+language: android
+
+android:
+  components:
+    # Uncomment the lines below if you want to
+    # use the latest revision of Android SDK Tools
+    - tools
+    - build-tools-25.0.3
+    - platform-tools
+    - extra-android-m2repository
+    - extra-google-android-support
+
+    - android-25
+
+  licenses:
+    - android-sdk-license-.+
+    - '.+'
+
+  cache:
+    directories:
+      - $HOME/.gradle/caches/2.8
+      - $HOME/.gradle/caches/jars-1
+      - $HOME/.gradle/daemon
+      - $HOME/.gradle/native
+      - $HOME/.gradle/wrapper
+
+jdk:
+  - oraclejdk8
+
+script:
+  - ./gradlew test

build.gradle

@@ -1,13 +1,23 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-  ext.kotlin_version = '1.1.2-4'
+  ext.kotlin_version = '1.1.2-3'
   ext.rxjava_version = '1.3.0'
+  ext.rxandroid_version = '1.2.1'
+  ext.retrofit_version = "2.2.0"
+  ext.okhttp_ersion = "3.6.0"
+  ext.support_version = "25.3.1"
+  ext.junit_version = "4.12"
+  ext.hamcrest_version = "1.3"
+  ext.mockito_kotlin_version = "1.5.0"
+  ext.espresso_version = "2.2.2"
+  ext.constraintlayout_version = "1.0.2"
+
   repositories {
     jcenter()
   }
   dependencies {
-    classpath 'com.android.tools.build:gradle:2.3.2'
+    classpath 'com.android.tools.build:gradle:2.3.3'
     classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
     // NOTE: Do not place your application dependencies here; they belong

demo/build.gradle

@@ -1,34 +1,55 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 
+String getApiKey() {
+  try {
+    Properties properties = new Properties()
+    properties.load(project.rootProject.file('local.properties').newDataInputStream())
+    return properties.getProperty('api.key')
+  } catch (Exception ignored) {}
+
+  return "empty"
+}
+
 android {
   compileSdkVersion 25
   buildToolsVersion "25.0.3"
   defaultConfig {
-    applicationId "com.a99.rxplaces"
+    applicationId "com.a99.rxplaces.demo"
     minSdkVersion 15
+    //noinspection OldTargetApi
     targetSdkVersion 25
     versionCode 1
     versionName "1.0"
     testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+    buildConfigField "String", "GOOGLE_MAPS_API_KEY", "\"${getApiKey()}\""
   }
   buildTypes {
     release {
       minifyEnabled false
       proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
     }
   }
+
+  lintOptions {
+    abortOnError false
+  }
 }
 
 dependencies {
   compile fileTree(dir: 'libs', include: ['*.jar'])
+  compile project(":library")
+
+  compile "io.reactivex:rxandroid:$rxandroid_version"
+  compile "com.android.support:appcompat-v7:$support_version"
+  compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+
+  testCompile 'junit:junit:4.12'
+
   androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
     exclude group: 'com.android.support', module: 'support-annotations'
   })
-  compile 'com.android.support:appcompat-v7:25.3.1'
-  compile 'com.android.support.constraint:constraint-layout:1.0.2'
-  testCompile 'junit:junit:4.12'
-  compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
 }
 
 repositories {

demo/src/main/AndroidManifest.xml

@@ -1,14 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-  package="com.a99.rxplaces">
+  xmlns:tools="http://schemas.android.com/tools"
+  package="com.a99.rxplaces.demo">
+
+  <uses-permission android:name="android.permission.INTERNET" />
 
   <application
     android:allowBackup="true"
     android:icon="@mipmap/ic_launcher"
     android:label="@string/app_name"
     android:roundIcon="@mipmap/ic_launcher_round"
     android:supportsRtl="true"
-    android:theme="@style/AppTheme">
+    android:theme="@style/AppTheme"
+    tools:ignore="GoogleAppIndexingWarning">
     <activity android:name=".DemoActivity">
       <intent-filter>
         <action android:name="android.intent.action.MAIN" />

demo/src/main/java/com/a99/rxplaces/demo/DemoActivity.kt

@@ -0,0 +1,55 @@
+package com.a99.rxplaces.demo
+
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.widget.EditText
+import android.widget.LinearLayout
+import android.widget.TextView
+import com.a99.rxplaces.AutocompleteState
+import com.a99.rxplaces.Prediction
+import com.a99.rxplaces.RxAutocomplete
+import rx.android.schedulers.AndroidSchedulers
+
+class DemoActivity : AppCompatActivity() {
+
+  val editText by lazy { findViewById(R.id.input) as EditText }
+  val loading: View by lazy { findViewById(R.id.loading) }
+  val outputContainer by lazy { findViewById(R.id.outputContainer) as LinearLayout }
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    setContentView(R.layout.activity_demo)
+
+    val rxAutocomplete = RxAutocomplete.create(BuildConfig.GOOGLE_MAPS_API_KEY)
+
+    rxAutocomplete.stateStream()
+        .observeOn(AndroidSchedulers.mainThread())
+        .subscribe { autocompleteState ->
+          loading.visibility = when (autocompleteState) {
+            AutocompleteState.QUERYING -> VISIBLE
+            else -> GONE
+          }
+        }
+
+    rxAutocomplete.observe(editText)
+        .observeOn(AndroidSchedulers.mainThread())
+        .subscribe { showData(it) }
+  }
+
+  private fun showData(predictions: List<Prediction>) {
+    outputContainer.removeAllViews()
+
+    predictions
+        .map { createTextView(it) }
+        .forEach { outputContainer.addView(it) }
+  }
+
+  private fun createTextView(it: Prediction): TextView {
+    val textView = TextView(this)
+    textView.text = it.description
+    return textView
+  }
+}

demo/src/main/res/layout/activity_demo.xml

@@ -1,18 +1,25 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-  xmlns:app="http://schemas.android.com/apk/res-auto"
-  xmlns:tools="http://schemas.android.com/tools"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
-  tools:context="com.a99.rxplaces.DemoActivity">
+  android:orientation="vertical">
 
-  <TextView
+  <EditText
+    android:id="@+id/input"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:hint="@string/hint"/>
+
+  <ProgressBar
+    android:id="@+id/loading"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:text="Hello World!"
-    app:layout_constraintBottom_toBottomOf="parent"
-    app:layout_constraintLeft_toLeftOf="parent"
-    app:layout_constraintRight_toRightOf="parent"
-    app:layout_constraintTop_toTopOf="parent" />
-
-</android.support.constraint.ConstraintLayout>
+    android:visibility="gone"/>
+
+  <LinearLayout
+    android:id="@+id/outputContainer"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical" />
+
+</LinearLayout>

demo/src/main/res/values/strings.xml

@@ -1,3 +1,4 @@
 <resources>
   <string name="app_name">RxPlaces</string>
+  <string name="hint">Where do you want to go?</string>
 </resources>

library/build.gradle

@@ -7,6 +7,7 @@ android {
 
   defaultConfig {
     minSdkVersion 15
+    //noinspection OldTargetApi
     targetSdkVersion 25
     versionCode 1
     versionName "1.0"
@@ -26,12 +27,31 @@ android {
     main.java.srcDirs += 'src/main/kotlin'
     test.java.srcDirs += 'src/test/kotlin'
   }
+
+  lintOptions {
+    disable 'InvalidPackage'
+  }
 }
 
 dependencies {
   compile fileTree(dir: 'libs', include: ['*.jar'])
+  compile "com.android.support:support-annotations:$support_version"
   compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
   compile "io.reactivex:rxjava:$rxjava_version"
+  compile "io.reactivex:rxandroid:$rxandroid_version"
+  compile "com.squareup.okhttp3:logging-interceptor:$okhttp_ersion"
+  compile "com.squareup.retrofit2:retrofit:$retrofit_version"
+  compile "com.squareup.retrofit2:converter-gson:$retrofit_version"
+  compile "com.squareup.retrofit2:adapter-rxjava:$retrofit_version"
+
+  androidTestCompile("com.android.support.test.espresso:espresso-core:$espresso_version", {
+    exclude group: 'com.android.support', module: 'support-annotations'
+  })
+
+  testCompile "junit:junit:$junit_version"
+  testCompile "org.hamcrest:hamcrest-core:$hamcrest_version"
+  testCompile "org.hamcrest:hamcrest-library:$hamcrest_version"
+  testCompile "com.nhaarman:mockito-kotlin-kt1.1:$mockito_kotlin_version"
 }
 repositories {
   mavenCentral()