Demo app: activity with fragments

demo-app/src/main/AndroidManifest.xml

@@ -18,10 +18,15 @@
         android:usesCleartextTraffic="true"
         tools:targetApi="31">
         <activity
-            android:name=".ui.shop.AstronomyShopActivity"
+            android:name=".shop.ui.AstronomyShopActivity"
             android:exported="true"
             android:label="@string/title_activity_astronomy_shop"
             />
+        <activity
+            android:name=".about.AboutActivity"
+            android:exported="true"
+            android:label="AboutActivity"
+            />
         <activity
             android:name=".MainActivity"
             android:exported="true"

demo-app/src/main/java/io/opentelemetry/android/demo/MainActivity.kt

@@ -28,8 +28,9 @@ import androidx.compose.ui.text.buildAnnotatedString
 import androidx.compose.ui.text.withStyle
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import io.opentelemetry.android.demo.about.AboutActivity
 import io.opentelemetry.android.demo.theme.DemoAppTheme
-import io.opentelemetry.android.demo.ui.shop.AstronomyShopActivity
+import io.opentelemetry.android.demo.shop.ui.AstronomyShopActivity
 
 class MainActivity : ComponentActivity() {
     private val viewModel by viewModels<DemoViewModel>()
@@ -73,9 +74,13 @@ class MainActivity : ComponentActivity() {
                             painterResource(id = R.drawable.otel_icon),
                         )
                         val context = LocalContext.current
-                        OpenStoreButton(text = "Click to begin", onClick = {
+                        OpenStoreButton(text = "Go shopping", onClick = {
                             context.startActivity(Intent(this@MainActivity, AstronomyShopActivity::class.java))
                         })
+                        OpenStoreButton(text = "Learn more", onClick = {
+                            context.startActivity(Intent(this@MainActivity, AboutActivity::class.java))
+                        })
+
                     }
                 }
                 Log.d(TAG, "Main Activity started ")

demo-app/src/main/java/io/opentelemetry/android/demo/about/AboutActivity.kt

@@ -0,0 +1,50 @@
+package io.opentelemetry.android.demo.about
+
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import com.google.android.material.bottomnavigation.BottomNavigationView
+import io.opentelemetry.android.demo.MainActivity
+import io.opentelemetry.android.demo.R
+
+class AboutActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_about)
+
+        val bottomNavigationView: BottomNavigationView = findViewById(R.id.bottom_navigation)
+
+        if (savedInstanceState == null) {
+            supportFragmentManager.beginTransaction()
+                .replace(R.id.fragment_container, AppFeaturesFragment())
+                .commit()
+            bottomNavigationView.selectedItemId = R.id.navigation_app_features
+        }
+
+        bottomNavigationView.setOnItemSelectedListener { item ->
+            when (item.itemId) {
+                R.id.navigation_exit -> {
+                    val intent = Intent(this, MainActivity::class.java)
+                    intent.flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_NEW_TASK
+                    startActivity(intent)
+                    finish()
+                    true
+                }
+                R.id.navigation_app_features -> {
+                    supportFragmentManager.beginTransaction()
+                        .replace(R.id.fragment_container, AppFeaturesFragment())
+                        .commit()
+                    true
+                }
+                R.id.navigation_about_opentelemetry -> {
+                    supportFragmentManager.beginTransaction()
+                        .replace(R.id.fragment_container, AboutOpenTelemetryFragment())
+                        .commit()
+                    true
+                }
+                else -> false
+            }
+        }
+    }
+}

demo-app/src/main/java/io/opentelemetry/android/demo/about/AboutOpenTelemetryFragment.kt

@@ -0,0 +1,18 @@
+package io.opentelemetry.android.demo.about
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import io.opentelemetry.android.demo.R
+
+class AboutOpenTelemetryFragment : Fragment() {
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_about_opentelemetry, container, false)
+    }
+}

demo-app/src/main/java/io/opentelemetry/android/demo/about/AppFeaturesFragment.kt

@@ -0,0 +1,29 @@
+package io.opentelemetry.android.demo.about
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import io.opentelemetry.android.demo.R
+
+class AppFeaturesFragment : Fragment() {
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        val view = inflater.inflate(R.layout.fragment_app_features, container, false)
+        lateinit var featureAdapter: FeatureAdapter
+        val features = getFeatureList()
+        val recyclerView: RecyclerView = view.findViewById(R.id.recyclerView)
+
+        featureAdapter = FeatureAdapter(features)
+        recyclerView.adapter = featureAdapter
+        recyclerView.layoutManager = LinearLayoutManager(requireContext())
+
+        return view
+    }
+}

demo-app/src/main/java/io/opentelemetry/android/demo/about/Feature.kt

@@ -0,0 +1,45 @@
+package io.opentelemetry.android.demo.about
+
+data class Feature(
+    val title: String,
+    val description: String,
+    var isExpanded: Boolean = false
+)
+
+fun getFeatureList(): List<Feature> {
+    return listOf(
+        Feature(
+            "Android Activity Lifecycle Monitoring",
+            """
+            - Automatically captures spans for key lifecycle events:
+                - Created: Includes `onCreate`, `onStart`, `onResume`,
+                - Paused: Includes `onPause`,
+                - Stopped: Includes `onStop`,
+                - Destroyed: Includes `onDestroy`.
+            - This covers the entire Activity lifecycle, providing detailed insights into each phase.
+            """.trimIndent()
+        ),
+        Feature(
+            "ANR Detection",
+            """
+            - Automatically detects and reports ANRs in the app.
+            - ANR events are captured as spans with detailed stack traces, providing insights into the exact operations that caused the ANR.
+            - The span includes key attributes such as `screen.name`, `session.id`, and network information to assist in diagnosing the issue.
+            """.trimIndent()
+        ),
+        Feature(
+            "Slow Render Detection",
+            """
+            - Automatically detects instances of slow rendering within the app.
+            - Slow render events are captured as spans, providing information on when and where rendering delays occurred.
+            - The span includes attributes such as `activity.name`, `screen.name`, `count`, and network details to help diagnose performance issues.
+            """.trimIndent()
+        ),
+        Feature(
+            "Manual Instrumentation",
+            """
+            - Provides access to the OpenTelemetry APIs for manual instrumentation, allowing developers to create custom spans and events as needed.
+            """.trimIndent()
+        )
+    )
+}

demo-app/src/main/java/io/opentelemetry/android/demo/about/FeatureAdapter.kt

@@ -0,0 +1,43 @@
+package io.opentelemetry.android.demo.about
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import io.opentelemetry.android.demo.R
+
+class FeatureAdapter(private val features: List<Feature>) : RecyclerView.Adapter<FeatureAdapter.FeatureViewHolder>() {
+
+    inner class FeatureViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+        private val titleTextView: TextView = itemView.findViewById(R.id.titleTextView)
+        private val descriptionTextView: TextView = itemView.findViewById(R.id.descriptionTextView)
+        private val arrowImageView: ImageView = itemView.findViewById(R.id.arrowImageView)
+
+        fun bind(feature: Feature) {
+            titleTextView.text = feature.title
+            descriptionTextView.text = feature.description
+            descriptionTextView.visibility = if (feature.isExpanded) View.VISIBLE else View.GONE
+            arrowImageView.rotation = if (feature.isExpanded) 180f else 0f
+
+            itemView.setOnClickListener {
+                feature.isExpanded = !feature.isExpanded
+                notifyItemChanged(adapterPosition)
+            }
+        }
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): FeatureViewHolder {
+        val view = LayoutInflater.from(parent.context).inflate(R.layout.item_feature, parent, false)
+        return FeatureViewHolder(view)
+    }
+
+    override fun onBindViewHolder(holder: FeatureViewHolder, position: Int) {
+        holder.bind(features[position])
+    }
+
+    override fun getItemCount(): Int = features.size
+
+}
+

demo-app/src/main/java/io/opentelemetry/android/demo/clients/ImageLoader.kt → demo-app/src/main/java/io/opentelemetry/android/demo/shop/clients/ImageLoader.kt

@@ -1,4 +1,4 @@
-package io.opentelemetry.android.demo.clients
+package io.opentelemetry.android.demo.shop.clients
 
 import android.content.Context
 import android.graphics.Bitmap

demo-app/src/main/java/io/opentelemetry/android/demo/clients/ProductCatalogClient.kt → demo-app/src/main/java/io/opentelemetry/android/demo/shop/clients/ProductCatalogClient.kt

@@ -1,10 +1,10 @@
-package io.opentelemetry.android.demo.clients
+package io.opentelemetry.android.demo.shop.clients
 
 import android.content.Context
 import com.google.gson.Gson
 import com.google.gson.reflect.TypeToken
-import io.opentelemetry.android.demo.model.Product
-import io.opentelemetry.android.demo.model.ProductDeserializationWrapper
+import io.opentelemetry.android.demo.shop.model.Product
+import io.opentelemetry.android.demo.shop.model.ProductDeserializationWrapper
 
 const val PRODUCTS_FILE = "products.json"
 

demo-app/src/main/java/io/opentelemetry/android/demo/clients/RecommendationService.kt → demo-app/src/main/java/io/opentelemetry/android/demo/shop/clients/RecommendationService.kt

@@ -1,7 +1,7 @@
-package io.opentelemetry.android.demo.clients
+package io.opentelemetry.android.demo.shop.clients
 
-import io.opentelemetry.android.demo.model.Product
-import io.opentelemetry.android.demo.ui.shop.cart.CartViewModel
+import io.opentelemetry.android.demo.shop.model.Product
+import io.opentelemetry.android.demo.shop.ui.cart.CartViewModel
 
 class RecommendationService(
     private val productCatalogClient: ProductCatalogClient,

demo-app/src/main/java/io/opentelemetry/android/demo/model/Product.kt → demo-app/src/main/java/io/opentelemetry/android/demo/shop/model/Product.kt

@@ -1,4 +1,4 @@
-package io.opentelemetry.android.demo.model
+package io.opentelemetry.android.demo.shop.model
 
 data class Product(
     val id: String,

demo-app/src/main/java/io/opentelemetry/android/demo/ui/shop/AstronomyShopActivity.kt → demo-app/src/main/java/io/opentelemetry/android/demo/shop/ui/AstronomyShopActivity.kt

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.android.demo.ui.shop
+package io.opentelemetry.android.demo.shop.ui
 
 import android.app.Activity
 import android.content.Intent
@@ -24,14 +24,14 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import io.opentelemetry.android.demo.MainActivity
-import io.opentelemetry.android.demo.clients.ProductCatalogClient
+import io.opentelemetry.android.demo.shop.clients.ProductCatalogClient
 import io.opentelemetry.android.demo.theme.DemoAppTheme
-import io.opentelemetry.android.demo.ui.shop.cart.CartScreen
-import io.opentelemetry.android.demo.ui.shop.products.ProductDetails
-import io.opentelemetry.android.demo.ui.shop.products.ProductList
-import io.opentelemetry.android.demo.ui.shop.cart.CartViewModel
+import io.opentelemetry.android.demo.shop.ui.cart.CartScreen
+import io.opentelemetry.android.demo.shop.ui.products.ProductDetails
+import io.opentelemetry.android.demo.shop.ui.products.ProductList
+import io.opentelemetry.android.demo.shop.ui.cart.CartViewModel
 import androidx.lifecycle.viewmodel.compose.viewModel
-import io.opentelemetry.android.demo.ui.shop.cart.InfoScreen
+import io.opentelemetry.android.demo.shop.ui.cart.InfoScreen
 
 class AstronomyShopActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {

demo-app/src/main/java/io/opentelemetry/android/demo/ui/shop/Navigation.kt → demo-app/src/main/java/io/opentelemetry/android/demo/shop/ui/Navigation.kt

@@ -1,4 +1,4 @@
-package io.opentelemetry.android.demo.ui.shop
+package io.opentelemetry.android.demo.shop.ui
 
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ExitToApp

demo-app/src/main/java/io/opentelemetry/android/demo/ui/shop/cart/Cart.kt → demo-app/src/main/java/io/opentelemetry/android/demo/shop/ui/cart/Cart.kt

@@ -1,4 +1,4 @@
-package io.opentelemetry.android.demo.ui.shop.cart
+package io.opentelemetry.android.demo.shop.ui.cart
 
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
@@ -8,13 +8,13 @@ import androidx.compose.ui.Modifier
 import java.util.Locale
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
-import io.opentelemetry.android.demo.ui.shop.products.ProductCard
+import io.opentelemetry.android.demo.shop.ui.products.ProductCard
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
-import io.opentelemetry.android.demo.clients.ProductCatalogClient
-import io.opentelemetry.android.demo.clients.RecommendationService
-import io.opentelemetry.android.demo.ui.shop.products.RecommendedSection
+import io.opentelemetry.android.demo.shop.clients.ProductCatalogClient
+import io.opentelemetry.android.demo.shop.clients.RecommendationService
+import io.opentelemetry.android.demo.shop.ui.products.RecommendedSection
 
 @Composable
 fun CartScreen(

demo-app/src/main/java/io/opentelemetry/android/demo/ui/shop/cart/CartViewModel.kt → demo-app/src/main/java/io/opentelemetry/android/demo/shop/ui/cart/CartViewModel.kt

@@ -1,7 +1,7 @@
-package io.opentelemetry.android.demo.ui.shop.cart
+package io.opentelemetry.android.demo.shop.ui.cart
 
 import androidx.lifecycle.ViewModel
-import io.opentelemetry.android.demo.model.Product
+import io.opentelemetry.android.demo.shop.model.Product
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 

demo-app/src/main/java/io/opentelemetry/android/demo/ui/shop/cart/CheckoutInfo.kt → demo-app/src/main/java/io/opentelemetry/android/demo/shop/ui/cart/CheckoutInfo.kt

@@ -1,4 +1,4 @@
-package io.opentelemetry.android.demo.ui.shop.cart
+package io.opentelemetry.android.demo.shop.ui.cart
 
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
@@ -15,7 +15,7 @@ import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.input.PasswordVisualTransformation
 import androidx.compose.ui.text.input.VisualTransformation
 import androidx.compose.ui.unit.dp
-import io.opentelemetry.android.demo.ui.shop.components.UpPressButton
+import io.opentelemetry.android.demo.shop.ui.components.UpPressButton
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.text.style.TextAlign
 

demo-app/src/main/java/io/opentelemetry/android/demo/ui/shop/components/QuantityChooser.kt → demo-app/src/main/java/io/opentelemetry/android/demo/shop/ui/components/QuantityChooser.kt

@@ -1,4 +1,4 @@
-package io.opentelemetry.android.demo.ui.shop.components
+package io.opentelemetry.android.demo.shop.ui.components
 
 import androidx.compose.foundation.layout.*
 import androidx.compose.material3.*

demo-app/src/main/java/io/opentelemetry/android/demo/ui/shop/components/UpPressButton.kt → demo-app/src/main/java/io/opentelemetry/android/demo/shop/ui/components/UpPressButton.kt

@@ -1,4 +1,4 @@
-package io.opentelemetry.android.demo.ui.shop.components
+package io.opentelemetry.android.demo.shop.ui.components
 
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable

demo-app/src/main/java/io/opentelemetry/android/demo/ui/shop/products/ProductCard.kt → demo-app/src/main/java/io/opentelemetry/android/demo/shop/ui/products/ProductCard.kt

@@ -1,4 +1,4 @@
-package io.opentelemetry.android.demo.ui.shop.products
+package io.opentelemetry.android.demo.shop.ui.products
 
 import android.graphics.Bitmap
 import androidx.compose.foundation.Image
@@ -22,9 +22,9 @@ import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import io.opentelemetry.android.demo.clients.ImageLoader
+import io.opentelemetry.android.demo.shop.clients.ImageLoader
 import io.opentelemetry.android.demo.gothamFont
-import io.opentelemetry.android.demo.model.Product
+import io.opentelemetry.android.demo.shop.model.Product
 
 @Composable
 fun ProductCard(