First commit

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

README.md

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+![Imgur](https://imgur.com/KSZEQFE.gif)
+# News App
+The NEWS application fetched the news and displays on the screen in either list or grid view. The user can click and see the detailed news in nexr screen.
+
+## App use case
+- Fetch news and show in List or grid. There is an option to change view from list to grid.
+- Clicking on the a news takes the user to the details page
+- Reaching to the end of the news list, more results should be downloaded.
+
+## App Architecture
+![Imgur](https://imgur.com/1HCtlJo.jpg)
+The architecture used for this application is MVVM. The activity uses viewModel functions to call API and fetch data via a repository.
+The data is pushed to a live data variable which is being observed in the activity class.
+Once the changes are detected, the UI is updated.
+
+Components used:
+Hilt for Dependency injection
+Coroutines for web service calls
+Data Binding for setting data in details class
+
+## Third Party Libraries
+The following libraries are used:
+- Retrofit: for calling APIs.
+- SDP intuit: to support multiple screen avoiding the dimens files.

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'kotlin-kapt'
+    id 'kotlin-android-extensions'
+    id 'dagger.hilt.android.plugin'
+}
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.3"
+
+    dataBinding {
+        enabled = true
+    }
+
+    defaultConfig {
+        applicationId "com.suki.newsapp"
+        minSdkVersion 24
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+def room_version = "2.2.5"
+def sdp_version = "1.0.6"
+def hilt_android = "2.28.1-alpha"
+def hilt_lifecycle = "1.0.0-alpha01"
+def activity_ktx_version = "1.2.3"
+def lifecycle_ktx_version = "2.3.1"
+def timeago_version = "4.0.3"
+def mp_chart_version = "v3.1.0"
+def paging_version = "2.1.2"
+
+dependencies {
+
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.core:core-ktx:1.5.0'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+    androidTestImplementation 'androidx.test:rules:1.3.0'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-contrib:3.0.2'
+
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.1'
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_ktx_version"
+    implementation "android.arch.lifecycle:extensions:1.1.1"
+    implementation 'com.google.code.gson:gson:2.8.5'
+
+    implementation "com.intuit.sdp:sdp-android:$sdp_version"
+    implementation "com.intuit.ssp:ssp-android:$sdp_version"
+
+    implementation "com.google.dagger:hilt-android:$hilt_android"
+    implementation "androidx.hilt:hilt-lifecycle-viewmodel:$hilt_lifecycle"
+    kapt "com.google.dagger:hilt-android-compiler:$hilt_android"
+    kapt "androidx.hilt:hilt-compiler:$hilt_lifecycle"
+
+    implementation "androidx.activity:activity-ktx:$activity_ktx_version"
+    //Retrofit
+    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_ktx_version"
+
+    implementation 'com.github.bumptech.glide:glide:4.12.0'
+    annotationProcessor 'com.github.bumptech.glide:compiler:4.12.0'
+}

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/androidTest/java/com/suki/newsapp/ExampleInstrumentedTest.kt

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+package com.suki.newsapp
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.suki.newsapp", appContext.packageName)
+    }
+}

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.suki.newsapp">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
+    <application
+        android:name=".NewApplication"
+        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/Theme.NewsApp">
+        <activity android:name=".ui.details.NewsDetailsActivity"></activity>
+        <activity android:name=".ui.list.MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/suki/newsapp/NewApplication.kt

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+package com.suki.newsapp
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class NewApplication : Application(){
+
+    override fun onCreate() {
+        super.onCreate()
+    }
+}

app/src/main/java/com/suki/newsapp/di/AppModule.kt

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+package com.suki.newsapp.di
+
+import com.google.gson.Gson
+import com.google.gson.GsonBuilder
+import com.suki.newsapp.remote.NewsDataSource
+import com.suki.newsapp.remote.NewsService
+import com.suki.newsapp.repository.NewsRepository
+import com.suki.newsapp.util.Constants.Companion.BASE_URL
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.components.ApplicationComponent
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import javax.inject.Singleton
+
+@Module
+@InstallIn(ApplicationComponent::class)
+object AppModule {
+
+    @Singleton
+    @Provides
+    fun provideRetrofit(gson: Gson) : Retrofit = Retrofit.Builder()
+        .baseUrl(BASE_URL)
+        .addConverterFactory(GsonConverterFactory.create(gson))
+        .build()
+
+    @Provides
+    fun provideGson(): Gson = GsonBuilder().create()
+
+    @Provides
+    fun provideNewsService(retrofit: Retrofit): NewsService = retrofit.create(NewsService::class.java)
+
+    @Provides
+    fun provideRepository(newsDataSource: NewsDataSource): NewsRepository = NewsRepository(newsDataSource)
+
+    @Provides
+    fun provideNewsDataSource (newsService: NewsService): NewsDataSource = NewsDataSource(newsService)
+
+}

app/src/main/java/com/suki/newsapp/entities/Byline.kt

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+package com.suki.newsapp.entities
+
+import android.os.Parcelable
+import kotlinx.android.parcel.Parcelize
+
+@Parcelize
+data class Byline(
+    val organization: String,
+    val original: String,
+    val person: List<Person>
+): Parcelable

app/src/main/java/com/suki/newsapp/entities/Doc.kt

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+package com.suki.newsapp.entities
+
+import android.os.Parcel
+import android.os.Parcelable
+import android.widget.ImageView
+import androidx.annotation.IdRes
+import androidx.databinding.BindingAdapter
+import com.bumptech.glide.Glide
+import com.suki.newsapp.R
+import kotlinx.android.parcel.Parceler
+import kotlinx.android.parcel.Parcelize
+import kotlinx.android.synthetic.main.activity_main.view.*
+import kotlinx.android.synthetic.main.layout_grid_item.view.*
+import java.text.SimpleDateFormat
+
+
+@Parcelize
+data class Doc(
+    val _id: String,
+    val abstract: String,
+    val document_type: String,
+    val headline: Headline,
+    val keywords: List<Keyword>,
+    val lead_paragraph: String,
+    val multimedia: List<Multimedia>,
+    val news_desk: String,
+    val print_page: String?,
+    val print_section: String?,
+    val pub_date: String,
+    val section_name: String,
+    val snippet: String,
+    val source: String,
+    val type_of_material: String,
+    val uri: String,
+    val web_url: String,
+    val word_count: Int,
+    var display_date: String
+): Parcelable
+