Hw5 custom view

app/build.gradle.kts

@@ -61,6 +61,7 @@ dependencies {
     implementation(project(path = ":feature:authorization"))
     implementation(project(path = ":feature:registration"))
     implementation(project(path = ":feature:graph"))
+    implementation(project(path = ":feature:customview"))
 
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.appcompat)

app/src/main/java/com/example/androiddevelopment2/nav/NavMainImpl.kt

@@ -33,4 +33,8 @@ class NavMainImpl @Inject constructor(
     override fun goToGraphPage() {
         navigatorDelegate.navigate(action = R.id.action_global_graph)
     }
+
+    override fun goToCustomPage() {
+        navigatorDelegate.navigate(action = R.id.action_global_custom)
+    }
 }

app/src/main/res/navigation/graph_global.xml

@@ -29,4 +29,9 @@
         android:id="@+id/action_global_graph"
         app:destination="@id/nav_graph"/>
     <include app:graph="@navigation/nav_graph" />
+
+    <action
+        android:id="@+id/action_global_custom"
+        app:destination="@id/nav_custom"/>
+    <include app:graph="@navigation/nav_custom" />
 </navigation>

core/base/src/main/res/values/strings.xml

@@ -72,4 +72,15 @@
 
     <string name="toast_data_source_cache">Данные получены из кэша</string>
     <string name="toast_data_source_api">Данные получены из API</string>
+
+    <string name="pie_chart_title">Overlapping Pie Chart</string>
+    <string name="pie_chart_subtitle">Tap on sectors to select them</string>
+    <string name="three_sectors">3</string>
+    <string name="four_sectors">4</string>
+    <string name="five_sectors">5</string>
+    <string name="six_sectors">6</string>
+    <string name="clear_selection">Clear Selection</string>
+
+
+
 </resources>

core/navigation/src/main/java/com/example/androiddevelopment2/navigation/NavMain.kt

@@ -9,4 +9,6 @@ interface NavMain {
     fun goToDetailsPage(recipeId: Int)
 
     fun goToGraphPage()
+
+    fun goToCustomPage()
 }

feature/customview/.gitignore

@@ -0,0 +1 @@
+/build

feature/customview/build.gradle.kts

@@ -0,0 +1,64 @@
+plugins {
+    alias(libs.plugins.android.library)
+    alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.ksp)
+    alias(libs.plugins.hilt)
+    id("androidx.navigation.safeargs.kotlin")
+}
+
+android {
+    namespace = "com.example.androiddevelopment2.customview"
+    compileSdk = libs.versions.compileSdk.get().toInt()
+
+    defaultConfig {
+        minSdk = libs.versions.minSdk.get().toInt()
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+    buildFeatures {
+        viewBinding = true
+    }
+}
+
+dependencies {
+
+    implementation(project(path = ":core:base"))
+    implementation(project(path = ":core:domain"))
+    implementation(project(path = ":core:utils"))
+    implementation(project(path = ":core:navigation"))
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.material)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+
+    // Hilt
+    implementation(libs.hilt)
+    ksp(libs.hilt.compiler)
+
+    // VBPD
+    implementation(libs.viewbindingpropertydelegate.noreflection)
+
+    implementation(libs.navigation.fragment)
+    implementation(libs.navigation.ui)
+}

feature/customview/proguard-rules.pro

@@ -0,0 +1,21 @@
+# 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

feature/customview/src/androidTest/java/com/example/androiddevelopment2/customview/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package com.example.androiddevelopment2.customview
+
+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.androiddevelopment2.customview.test", appContext.packageName)
+    }
+}

feature/customview/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>

feature/customview/src/main/java/com/example/androiddevelopment2/customview/PieChartFragment.kt

@@ -0,0 +1,83 @@
+package com.example.androiddevelopment2.customview
+
+import android.annotation.SuppressLint
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.viewModels
+import androidx.lifecycle.lifecycleScope
+import by.kirich1409.viewbindingdelegate.viewBinding
+import com.example.androiddevelopment2.customview.PieChartView.Companion.NO_SELECTION
+import com.example.androiddevelopment2.customview.databinding.FragmentPieChartBinding
+import com.example.androiddevelopment2.customview.state.PieChartEvent
+import com.example.androiddevelopment2.customview.state.PieChartState
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.launch
+
+
+@AndroidEntryPoint
+class PieChartFragment : Fragment(R.layout.fragment_pie_chart) {
+    private val viewBinding: FragmentPieChartBinding by viewBinding(FragmentPieChartBinding::bind)
+
+    private val viewModel: PieChartViewModel by viewModels()
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        setupPieChart()
+        setupClickListeners()
+        observeViewModel()
+    }
+
+    private fun setupPieChart() {
+        viewBinding.pieChartView.apply {
+            onSelectionChanged = { index ->
+                if (index == NO_SELECTION) {
+                    viewModel.reduce(PieChartEvent.OnClearSelection)
+                } else {
+                    viewModel.reduce(PieChartEvent.OnSectorSelected(index))
+                }
+            }
+        }
+    }
+
+    @SuppressLint("ClickableViewAccessibility")
+    private fun setupClickListeners() {
+        viewBinding.apply {
+            root.setOnClickListener {
+                viewModel.reduce(PieChartEvent.OnClearSelection)
+            }
+            btn3Sectors.setOnClickListener {
+                viewModel.reduce(PieChartEvent.OnSectorCountChanged(3))
+            }
+            btn4Sectors.setOnClickListener {
+                viewModel.reduce(PieChartEvent.OnSectorCountChanged(4))
+            }
+            btn5Sectors.setOnClickListener {
+                viewModel.reduce(PieChartEvent.OnSectorCountChanged(5))
+            }
+            btn6Sectors.setOnClickListener {
+                viewModel.reduce(PieChartEvent.OnSectorCountChanged(6))
+            }
+            btnClearSelection.setOnClickListener { viewModel.reduce(PieChartEvent.OnClearSelection) }
+        }
+    }
+
+    private fun observeViewModel() {
+        viewLifecycleOwner.lifecycleScope.launch {
+            viewModel.state.collect { state ->
+                when (state) {
+                    is PieChartState.Initial -> {
+                    }
+                    is PieChartState.Success -> {
+                        viewBinding.pieChartView.updateData(
+                            count = state.sectorCount,
+                            colors = state.colors,
+                            selectedIndex = state.selectedSector
+                        )
+                    }
+                }
+            }
+        }
+    }
+}