Completed Assignments

Android/Amit Shekhar/Advanced/NavNewsApp/.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

Android/Amit Shekhar/Advanced/NavNewsApp/app/.gitignore

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+/build

Android/Amit Shekhar/Advanced/NavNewsApp/app/build.gradle

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+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.3"
+
+    defaultConfig {
+        applicationId "com.example.navnewsapp"
+        minSdkVersion 21
+        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
+    }
+    buildFeatures {
+        viewBinding true
+    }
+}
+
+dependencies {
+
+    //Retrofit
+    implementation 'com.squareup.retrofit2:retrofit:2.4.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.2.0'
+
+    //Date/Time
+    implementation 'org.ocpsoft.prettytime:prettytime:4.0.1.Final'
+
+    //Picaso for image url
+    implementation 'com.squareup.picasso:picasso:2.5.0'
+
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.1'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1'
+    implementation 'androidx.navigation:navigation-fragment:2.3.0'
+    implementation 'androidx.navigation:navigation-ui:2.3.0'
+    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+}

Android/Amit Shekhar/Advanced/NavNewsApp/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

Android/Amit Shekhar/Advanced/NavNewsApp/app/src/androidTest/java/com/example/navnewsapp/ExampleInstrumentedTest.java

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+package com.example.navnewsapp;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.example.navnewsapp", appContext.getPackageName());
+    }
+}

Android/Amit Shekhar/Advanced/NavNewsApp/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.example.navnewsapp">
+    <uses-permission android:name="android.permission.INTERNET"></uses-permission>
+
+    <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/Theme.NavNewsApp">
+        <activity android:name=".HomeActivity"></activity>
+        <activity android:name=".Detailed"></activity>
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.NavNewsApp.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

Android/Amit Shekhar/Advanced/NavNewsApp/app/src/main/java/com/example/navnewsapp/Adapter.java

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+package com.example.navnewsapp;
+
+import android.content.Context;
+import android.content.Intent;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.cardview.widget.CardView;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.navnewsapp.Model.Articles;
+import com.example.navnewsapp.Model.Source;
+import com.squareup.picasso.Picasso;
+
+import org.ocpsoft.prettytime.PrettyTime;
+import org.ocpsoft.prettytime.format.SimpleTimeFormat;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import java.util.Locale;
+
+public class Adapter extends RecyclerView.Adapter<Adapter.ViewHolder> {
+
+    Context context;
+    List<Articles> articles;
+
+
+    public Adapter(Context context, List<Articles> articles) {
+        this.context = context;
+        this.articles = articles;
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.items,parent,false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull final ViewHolder holder, int position) {
+
+
+        final Articles a = articles.get(position);
+
+        String imageUrl = a.getUrlToImage();
+        String url = a.getUrl();
+
+        Picasso.with(context).load(imageUrl).into(holder.imageView);
+
+        holder.tvTitle.setText(a.getTitle());
+        holder.tvSource.setText(a.getSource().getName());
+        holder.tvDate.setText("\u2022"+dateTime(a.getPublishedAt()));
+
+        holder.cardView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(context, com.example.navnewsapp.Detailed.class);
+                intent.putExtra("title",a.getTitle());
+                intent.putExtra("source",a.getSource().getName());
+                intent.putExtra("time",dateTime(a.getPublishedAt()));
+                intent.putExtra("desc",a.getDescription());
+                intent.putExtra("imageUrl",a.getUrlToImage());
+                intent.putExtra("url",a.getUrl());
+                context.startActivity(intent);
+            }
+        });
+
+    }
+
+    @Override
+    public int getItemCount() {
+        return articles.size();
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder {
+        TextView tvTitle,tvSource,tvDate;
+        ImageView imageView;
+        CardView cardView;
+
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            tvTitle = itemView.findViewById(R.id.tvTitle);
+            tvSource = itemView.findViewById(R.id.tvSource);
+            tvDate = itemView.findViewById(R.id.tvDate);
+            imageView = itemView.findViewById(R.id.image);
+            cardView = itemView.findViewById(R.id.cardView);
+
+        }
+    }
+
+
+    public String dateTime(String t){
+        PrettyTime prettyTime = new PrettyTime(new Locale(getCountry()));
+        String time = null;
+        try {
+            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:",Locale.ENGLISH);
+            Date date = simpleDateFormat.parse(t);
+            time = prettyTime.format(date);
+        }catch (ParseException e) {
+            e.printStackTrace();
+        }
+        return time;
+
+    }
+
+    public String getCountry(){
+        Locale locale = Locale.getDefault();
+        String country = locale.getCountry();
+        return country.toLowerCase();
+    }
+}

Android/Amit Shekhar/Advanced/NavNewsApp/app/src/main/java/com/example/navnewsapp/ApiClient.java

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+package com.example.navnewsapp;
+
+import retrofit2.Retrofit;
+import retrofit2.converter.gson.GsonConverterFactory;
+
+public class ApiClient {
+    private static final String BASE_URL = "https://newsapi.org/v2/";
+    private static ApiClient apiClient;
+    private static Retrofit retrofit;
+
+    private ApiClient(){
+        retrofit = new Retrofit.Builder().baseUrl(BASE_URL).addConverterFactory(GsonConverterFactory.create()).build();
+    }
+
+    public static synchronized ApiClient getInstance(){
+        if (apiClient == null){
+            apiClient = new ApiClient();
+        }
+        return apiClient;
+    }
+
+
+    public ApiInterface getApi(){
+        return retrofit.create(ApiInterface.class);
+    }
+}