Added Android files

build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'com.google.gms.google-services'
+    id 'kotlin-android'
+}
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.3"
+
+    defaultConfig {
+        applicationId "com.example.shakshya"
+        minSdkVersion 17
+        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'
+    }
+}
+
+dependencies {
+    // Import the Firebase BoM
+    implementation platform('com.google.firebase:firebase-bom:26.8.0')
+
+    // Add the dependency for the Firebase SDK for Google Analytics
+    // When using the BoM, don't specify versions in Firebase dependencies
+    implementation 'com.google.firebase:firebase-analytics-ktx'
+
+    // Add the dependencies for any other desired Firebase products
+    // https://firebase.google.com/docs/android/setup#available-libraries
+
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.core:core-ktx:1.3.2'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.android.support:design:28.0.0'
+    implementation 'com.android.volley:volley:1.2.0'
+    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'com.pierfrancescosoffritti.androidyoutubeplayer:core:10.0.5'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+}

google-services.json

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+{
+  "project_info": {
+    "project_number": "510131882439",
+    "project_id": "shakshya-9b7f2",
+    "storage_bucket": "shakshya-9b7f2.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:510131882439:android:177a15f212c482e5fb71e2",
+        "android_client_info": {
+          "package_name": "com.example.shakshya"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "510131882439-6t2ak1ajp5j6jk8ek9sq4974ikqktjl7.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyBGR_xrgGaHU4vne8rHD0YXrEl92eECjHw"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "510131882439-6t2ak1ajp5j6jk8ek9sq4974ikqktjl7.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

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

src/androidTest/java/com/example/shakshya/ExampleInstrumentedTest.kt

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+package com.example.shakshya
+
+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.example.shakshya", appContext.packageName)
+    }
+}

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.shakshya">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/app_icon"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/app_icon_round"
+        android:supportsRtl="true"
+        android:resizeableActivity="false"
+        android:networkSecurityConfig="@xml/network_security_config"
+        android:theme="@style/Theme.SHAKSHYA">
+        <activity android:name=".activity.MainActivity"
+            android:screenOrientation="portrait" android:configChanges="orientation|screenSize">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

src/main/java/com/example/shakshya/activity/MainActivity.kt

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+package com.example.shakshya.activity
+
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.provider.Settings
+import android.view.MenuItem
+import android.widget.FrameLayout
+import android.widget.Toast
+import androidx.appcompat.app.ActionBarDrawerToggle
+import androidx.appcompat.app.AlertDialog
+import androidx.coordinatorlayout.widget.CoordinatorLayout
+import androidx.core.app.ActivityCompat
+import androidx.core.view.GravityCompat
+import androidx.drawerlayout.widget.DrawerLayout
+import com.example.shakshya.R
+import com.example.shakshya.fragment.AboutUsFragment
+import com.example.shakshya.fragment.ContactUsFragment
+import com.example.shakshya.fragment.DashboardFragment
+import com.example.shakshya.fragment.TeamFragment
+import com.example.shakshya.util.ConnectionManager
+import com.google.android.material.navigation.NavigationView
+
+class MainActivity : AppCompatActivity() {
+    lateinit var frameLayout: FrameLayout
+    lateinit var coordinatorLayout: CoordinatorLayout
+    lateinit var navigationView: NavigationView
+    lateinit var drawerLayout: DrawerLayout
+    lateinit var toolbar: androidx.appcompat.widget.Toolbar
+    var previousMenuItem: MenuItem? =null
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        frameLayout=findViewById(R.id.frameLayout)
+        coordinatorLayout=findViewById(R.id.coordinatorLayout)
+        navigationView=findViewById(R.id.navigationView)
+        drawerLayout=findViewById(R.id.drawerLayout)
+        toolbar=findViewById(R.id.toolBar)
+        setUpToolbar()
+        openDashboard()
+        val actionBarDrawerToggle= ActionBarDrawerToggle(
+                this@MainActivity,
+                drawerLayout,
+                R.string.open_drawer,
+                R.string.close_drawer)
+        drawerLayout.addDrawerListener(actionBarDrawerToggle)
+        actionBarDrawerToggle.syncState()
+
+        navigationView.setNavigationItemSelectedListener {
+            if (previousMenuItem!=null)
+                previousMenuItem?.isChecked=false
+            it.isCheckable=true
+            it.isChecked=true
+            previousMenuItem=it
+            when(it.itemId){
+                R.id.dashboard -> {
+                    openDashboard()
+                    drawerLayout.closeDrawers()
+                }
+                R.id.about_app -> {
+                    supportFragmentManager.beginTransaction()
+                            .replace(R.id.frameLayout, AboutUsFragment())
+                            .commit()
+                    supportActionBar?.title="About Us"
+                    drawerLayout.closeDrawers()
+                }
+                R.id.team -> {
+                    supportFragmentManager.beginTransaction()
+                            .replace(R.id.frameLayout, TeamFragment())
+                            .commit()
+                    supportActionBar?.title="Our Team"
+                    drawerLayout.closeDrawers()
+                }
+                R.id.contact -> {
+                    supportFragmentManager.beginTransaction()
+                            .replace(R.id.frameLayout, ContactUsFragment())
+                            .commit()
+                    supportActionBar?.title="Contact Us"
+                    drawerLayout.closeDrawers()
+                }
+            }
+            return@setNavigationItemSelectedListener true
+        }
+        if(ConnectionManager().checkConnectivity(this)){
+            //Internet available
+            Toast.makeText(this,"Internet Connected.", Toast.LENGTH_SHORT).show()
+        }else{
+            //Internet not available
+            val dialog= AlertDialog.Builder(this)
+            dialog.setTitle("Error")
+            dialog.setMessage("Internet Not Connected..!!")
+            dialog.setPositiveButton("Open Settings"){text,listener ->
+                val settingsIntent= Intent(Settings.ACTION_WIRELESS_SETTINGS)
+                startActivity(settingsIntent)
+                finish()
+            }
+            dialog.setNegativeButton("Exit"){text,listener ->
+                ActivityCompat.finishAffinity(this)
+            }
+            dialog.create()
+            dialog.show()
+        }
+    }
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        val id=item.itemId
+        if (id==android.R.id.home){
+            drawerLayout.openDrawer(GravityCompat.START)
+        }
+        return super.onOptionsItemSelected(item)
+    }
+    fun setUpToolbar(){
+        setSupportActionBar(toolbar)
+        supportActionBar?.title ="Toolbar Title"
+        supportActionBar?.setHomeButtonEnabled(true)
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+    }
+
+    override fun onBackPressed() {
+        val flag=supportFragmentManager.findFragmentById(R.id.frameLayout)
+        when(flag){
+            !is DashboardFragment -> openDashboard()
+            else -> super.onBackPressed()
+        }
+        drawerLayout.closeDrawers()
+    }
+    fun openDashboard(){
+        val transaction=supportFragmentManager.beginTransaction()
+        val fragment=DashboardFragment()
+        transaction.replace(R.id.frameLayout,fragment)
+        transaction.commit()
+        supportActionBar?.title="Dashboard"
+        navigationView.setCheckedItem(R.id.dashboard)
+    }
+    override fun onPause() {
+        super.onPause()
+        finish()
+    }
+}

src/main/java/com/example/shakshya/fragment/AboutUsFragment.kt

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+package com.example.shakshya.fragment
+
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import com.example.shakshya.R
+
+class AboutUsFragment : Fragment() {
+
+    lateinit var btnLink:Button
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
+                              savedInstanceState: Bundle?): View? {
+        // Inflate the layout for this fragment
+        val view=inflater.inflate(R.layout.fragment_about_us, container, false)
+        btnLink=view.findViewById(R.id.btnKnowMore)
+        btnLink.setOnClickListener {
+            val intent= Intent(Intent.ACTION_VIEW, Uri.parse("https://himanshu-0624.github.io/Shakshya/index.html"))
+            startActivity(intent)
+        }
+        return view
+    }
+}

src/main/java/com/example/shakshya/fragment/ContactUsFragment.kt

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+package com.example.shakshya.fragment
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.annotation.NonNull
+import com.example.shakshya.R
+import com.pierfrancescosoffritti.androidyoutubeplayer.core.player.YouTubePlayer
+import com.pierfrancescosoffritti.androidyoutubeplayer.core.player.listeners.AbstractYouTubePlayerListener
+import com.pierfrancescosoffritti.androidyoutubeplayer.core.player.views.YouTubePlayerView
+
+class ContactUsFragment : Fragment() {
+
+    lateinit var youTubeView: YouTubePlayerView
+    lateinit var emailLink: TextView
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        // Inflate the layout for this fragment
+        val view=inflater.inflate(R.layout.fragment_contact_us, container, false)
+        return view
+    }
+}