UI widgets and stock exchange

Demo/app/build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
+    id 'kotlin-kapt'
 }
 
 android {
@@ -24,26 +25,30 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = '17'
     }
 
     buildFeatures {
         viewBinding true
+        dataBinding true
     }
 }
 
 dependencies {
-
-    implementation 'androidx.core:core-ktx:1.9.0'
+    def lifecycle_version = "2.6.1"
+    implementation 'androidx.core:core-ktx:1.10.1'
     implementation 'androidx.appcompat:appcompat:1.6.1'
-    implementation 'com.google.android.material:material:1.8.0'
+    implementation 'com.google.android.material:material:1.9.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1"
-    implementation 'androidx.fragment:fragment-ktx:1.5.5'
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
+    implementation 'androidx.fragment:fragment-ktx:1.5.7'
+    implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version"
+    implementation "androidx.core:core-splashscreen:1.0.1"
+    implementation "androidx.preference:preference-ktx:1.2.0"
 
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'

Demo/app/src/main/AndroidManifest.xml

@@ -3,14 +3,34 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <application
+        android:name=".DemoApplication"
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"
-        android:theme="@style/Theme.Demo"
+        android:theme="@style/Theme.App.Starting"
         tools:targetApi="31">
+        <activity
+            android:name=".stackexchange.StackExchangeActivity"
+            android:exported="true"
+            android:theme="@style/Theme.StackExchange">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".UIComponentsActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
         <activity
             android:name=".MainActivity"
             android:exported="true">

Demo/app/src/main/java/com/krunal/demo/DemoApplication.kt

@@ -0,0 +1,22 @@
+package com.krunal.demo
+
+import android.app.Application
+import com.krunal.demo.uicomponents.helpers.PreferenceHelper
+
+class DemoApplication: Application() {
+
+    override fun onCreate() {
+        super.onCreate()
+
+        instance = this
+
+        /**
+         * Initialize [PreferenceHelper]
+         */
+        PreferenceHelper.initialize(applicationContext)
+    }
+
+    companion object {
+        lateinit var instance: Application
+    }
+}

Demo/app/src/main/java/com/krunal/demo/MainActivity.kt

@@ -12,15 +12,18 @@ import kotlinx.coroutines.launch
 
 class MainActivity : AppCompatActivity() {
 
-    lateinit var binding: ActivityMainBinding
-    lateinit var mPlayer: MediaPlayer
+    private lateinit var binding: ActivityMainBinding
+    private lateinit var mPlayer: MediaPlayer
     private val viewModel: MainActivityViewModel by viewModels()
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-
         binding = ActivityMainBinding.inflate(layoutInflater)
 
         setContentView(binding.root)
+
+        binding.mainViewModel = viewModel
+
+        // Update time without data binding
         CoroutineScope(Dispatchers.IO).launch {
             viewModel.timeFlow.collectLatest { time ->
                 runOnUiThread {

Demo/app/src/main/java/com/krunal/demo/MainActivityViewModel.kt

@@ -2,15 +2,16 @@ package com.krunal.demo
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
-import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
 import java.text.SimpleDateFormat
-import java.util.*
+import java.util.Date
 
 class MainActivityViewModel : ViewModel() {
 
-    private val _timeFlow = MutableSharedFlow<String>()
-    val timeFlow: MutableSharedFlow<String> = _timeFlow
+    private val _timeFlow = MutableStateFlow<String?>(null)
+    val timeFlow: StateFlow<String?> = _timeFlow
 
     init {
         start()

Demo/app/src/main/java/com/krunal/demo/UIComponentsActivity.kt

@@ -0,0 +1,31 @@
+package com.krunal.demo
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
+import com.krunal.demo.uicomponents.ButtonFragment
+import com.krunal.demo.uicomponents.CoordinatorLayoutFragment
+import com.krunal.demo.uicomponents.ThemeFragment
+import com.krunal.demo.uicomponents.cardscreen.CardFragment
+import com.krunal.demo.uicomponents.helpers.ThemeHelper
+
+class UIComponentsActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        installSplashScreen()
+        setupTheme()
+        setContentView(R.layout.activity_uicomponents)
+        setupFragment()
+    }
+
+    private fun setupTheme() {
+        setTheme(ThemeHelper.getThemeResource(ThemeHelper.getThemeAccent()))
+    }
+
+    private fun setupFragment() {
+        supportFragmentManager.beginTransaction()
+            .replace(R.id.uiComponentsFragment, CoordinatorLayoutFragment())
+            .commit()
+    }
+}

Demo/app/src/main/java/com/krunal/demo/stackexchange/StackExchangeActivity.kt

@@ -0,0 +1,95 @@
+package com.krunal.demo.stackexchange
+
+import android.graphics.Color
+import android.os.Bundle
+import android.view.ViewTreeObserver.OnGlobalLayoutListener
+import androidx.activity.viewModels
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.lifecycleScope
+import com.google.android.material.badge.BadgeDrawable
+import com.google.android.material.badge.BadgeUtils
+import com.google.android.material.badge.ExperimentalBadgeUtils
+import com.krunal.demo.R
+import com.krunal.demo.databinding.ActivityStackExchangeBinding
+import com.krunal.demo.stackexchange.exchange.ExchangeFragment
+import com.krunal.demo.stackexchange.market.MarketFragment
+import com.krunal.demo.stackexchange.wallet.WalletFragment
+import com.krunal.demo.uicomponents.extentions.getThemeColor
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
+
+
+class StackExchangeActivity : AppCompatActivity() {
+
+    private lateinit var binding: ActivityStackExchangeBinding
+    private val viewModel: StackExchangeActivityViewModel by viewModels()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivityStackExchangeBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+        binding.viewModel = viewModel
+        setupUI()
+        setupBottomNavigation()
+    }
+
+    private fun setupUI() {
+
+        setupAppBar()
+
+        binding.apply {
+            fabExchange.setOnClickListener {
+                bottomNavigation.selectedItemId = R.id.actionExchange
+            }
+        }
+    }
+
+    @androidx.annotation.OptIn(ExperimentalBadgeUtils::class)
+    private fun setupAppBar() {
+        setSupportActionBar(binding.toolbar)
+        val badge = BadgeDrawable.create(this).apply {
+            badgeTextColor = getThemeColor(com.google.android.material.R.attr.colorOnSecondary)
+            backgroundColor = getThemeColor(com.google.android.material.R.attr.colorSecondary)
+        }
+
+        binding.notificationView.apply {
+            clipToOutline = false
+            bringToFront()
+            viewTreeObserver.addOnGlobalLayoutListener {
+                BadgeUtils.attachBadgeDrawable(
+                    badge,
+                    binding.notificationView
+                )
+            }
+        }
+
+        lifecycleScope.launch {
+            viewModel.notificationCount.collectLatest {
+                if (it == 0) {
+                    badge.isVisible = false
+                } else {
+                    badge.number = it
+                }
+            }
+        }
+    }
+
+    private fun setupBottomNavigation() {
+        changeFragment(MarketFragment())
+
+        binding.bottomNavigation.setOnItemSelectedListener { menuItem ->
+            val fragment = when (menuItem.itemId) {
+                R.id.actionMarket -> MarketFragment()
+                R.id.actionExchange -> ExchangeFragment()
+                else -> WalletFragment()
+            }
+            changeFragment(fragment)
+            return@setOnItemSelectedListener true
+        }
+    }
+
+    private fun changeFragment(fragment: Fragment) {
+        supportFragmentManager.beginTransaction().replace(R.id.fragmentContainer, fragment).commit()
+    }
+}

Demo/app/src/main/java/com/krunal/demo/stackexchange/StackExchangeActivityViewModel.kt

@@ -0,0 +1,11 @@
+package com.krunal.demo.stackexchange
+
+import androidx.lifecycle.ViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+
+class StackExchangeActivityViewModel : ViewModel() {
+
+    private val _notificationCount: MutableStateFlow<Int> = MutableStateFlow(6)
+    val notificationCount: StateFlow<Int> = _notificationCount
+}

Demo/app/src/main/java/com/krunal/demo/stackexchange/adapters/PortfolioAdapter.kt

@@ -0,0 +1,40 @@
+package com.krunal.demo.stackexchange.adapters
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.krunal.demo.databinding.ItemPortfolioBinding
+import com.krunal.demo.stackexchange.models.ShareDetails
+
+class PortfolioAdapter : RecyclerView.Adapter<PortfolioAdapter.PortfolioViewHolder>() {
+
+    private val shareDetailsList: MutableList<ShareDetails> = mutableListOf()
+
+    class PortfolioViewHolder(private val binding: ItemPortfolioBinding) :
+        RecyclerView.ViewHolder(binding.root) {
+
+        fun bind(shareDetails: ShareDetails) {
+            binding.shareDetails = shareDetails
+        }
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): PortfolioViewHolder {
+        val layoutInflater = LayoutInflater.from(parent.context)
+        val binding = ItemPortfolioBinding.inflate(layoutInflater, parent, false)
+        return PortfolioViewHolder(binding)
+    }
+
+    override fun getItemCount(): Int = shareDetailsList.count()
+
+    override fun onBindViewHolder(holder: PortfolioViewHolder, position: Int) {
+        holder.bind(shareDetailsList[position])
+    }
+
+    @SuppressLint("NotifyDataSetChanged")
+    fun submitList(list: List<ShareDetails>) {
+        shareDetailsList.clear()
+        shareDetailsList.addAll(list)
+        notifyDataSetChanged()
+    }
+}

Demo/app/src/main/java/com/krunal/demo/stackexchange/adapters/ShareDetailsAdapter.kt

@@ -0,0 +1,40 @@
+package com.krunal.demo.stackexchange.adapters
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.krunal.demo.databinding.ItemShareDetailsBinding
+import com.krunal.demo.stackexchange.models.ShareDetails
+
+class ShareDetailsAdapter : RecyclerView.Adapter<ShareDetailsAdapter.ShareDetailsViewHolder>() {
+
+    private val shareDetailsList: MutableList<ShareDetails> = mutableListOf()
+
+    class ShareDetailsViewHolder(private val binding: ItemShareDetailsBinding) :
+        RecyclerView.ViewHolder(binding.root) {
+
+        fun bind(shareDetails: ShareDetails) {
+            binding.shareDetails = shareDetails
+        }
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ShareDetailsViewHolder {
+        val layoutInflater = LayoutInflater.from(parent.context)
+        val binding = ItemShareDetailsBinding.inflate(layoutInflater, parent, false)
+        return ShareDetailsViewHolder(binding)
+    }
+
+    override fun getItemCount(): Int = shareDetailsList.count()
+
+    override fun onBindViewHolder(holder: ShareDetailsViewHolder, position: Int) {
+        holder.bind(shareDetailsList[position])
+    }
+
+    @SuppressLint("NotifyDataSetChanged")
+    fun submitList(list: List<ShareDetails>) {
+        shareDetailsList.clear()
+        shareDetailsList.addAll(list)
+        notifyDataSetChanged()
+    }
+}