Add Navigation Compose with Argument example

README.md

@@ -149,9 +149,10 @@ sense.
 |[How can I use Jetpack Compose components inside existing screens?](https://github.com/vinaygaba/Learn-Jetpack-Compose-By-Example/blob/master/app/src/main/java/com/example/jetpackcompose/interop/ComposeInClassicAndroidActivity.kt) | <img src ="screenshots/interop.png" width=214 height=400>|
 
 ### Navigation
-|Example|Preview|
-|-------|-------|
-|[How can I navigate to different screen in Jetpack Compose?](https://github.com/vinaygaba/Learn-Jetpack-Compose-By-Example/blob/master/app/src/main/java/com/example/jetpackcompose/navigation/ComposeNavigationActivity.kt) | <img src ="screenshots/compose_navigation_example.gif" width=214 height=400>|
+| Example                                                                                                                                                                                                                       |Preview|
+|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------|
+| [How can I navigate to different screen and send argument in Jetpack Compose?](https://github.com/vinaygaba/Learn-Jetpack-Compose-By-Example/blob/master/app/src/main/java/com/example/jetpackcompose/navigation/compose/ComposeNavigationWithArgActivity.kt) | <img src ="screenshots/compose_navigation_w_arg_example.gif" width=214 height=400>|
+| [How can I navigate to different screen in Jetpack Compose?](https://github.com/vinaygaba/Learn-Jetpack-Compose-By-Example/blob/master/app/src/main/java/com/example/jetpackcompose/navigation/ComposeNavigationActivity.kt) | <img src ="screenshots/compose_navigation_example.gif" width=214 height=400>|
 
 ### Testing
 |Example|Preview|

app/build.gradle

@@ -26,6 +26,11 @@ android {
     }
     kotlinOptions {
         jvmTarget = '11'
+
+        freeCompilerArgs += [
+                "-Xopt-in=androidx.compose.foundation.ExperimentalFoundationApi",
+                "-Xopt-in=androidx.compose.material.ExperimentalMaterialApi",
+        ]
     }
     buildFeatures {
         compose true

app/src/androidTest/java/com/example/jetpackcompose/navigation/compose/NavigationComposeWithArgumentNavigationTest.kt

@@ -0,0 +1,82 @@
+package com.example.jetpackcompose.navigation.compose
+
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.onNodeWithContentDescription
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import androidx.navigation.compose.ComposeNavigator
+import androidx.navigation.testing.TestNavHostController
+import com.example.jetpackcompose.navigation.assertCurrentRouteName
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+
+class NavigationComposeWithArgumentNavigationTest {
+
+    @get:Rule
+    val composeTestRule = createAndroidComposeRule<ComponentActivity>()
+
+    private lateinit var navController: TestNavHostController
+
+    @Before
+    fun setupAppNavHost() {
+        composeTestRule.setContent {
+            navController = TestNavHostController(LocalContext.current)
+            navController.navigatorProvider.addNavigator(ComposeNavigator())
+
+            ComposeNavigationWithArgApp(navController = navController)
+        }
+    }
+
+    @Test
+    fun verifyStartDestination() {
+        navController
+            .assertCurrentRouteName("tasks")
+    }
+
+    @Test
+    fun verifyBackNavigationNotShownOnStartDestination() {
+        val backText = "Back"
+
+        composeTestRule
+            .onNodeWithContentDescription(backText)
+            .assertDoesNotExist()
+    }
+
+    @Test
+    fun clickTask_navigatesToTaskDetailsScreen() {
+        navController.assertCurrentRouteName("tasks")
+
+        composeTestRule
+            .onNodeWithText("Contribute to Learn-Jetpack-Compose-By-Example")
+            .performClick()
+
+        navController.assertCurrentRouteName("tasks/{taskId}")
+    }
+
+    @Test
+    fun clickNavigateUpButton_navigatesToTaskListScreen() {
+        navController.assertCurrentRouteName("tasks")
+
+        navigateToTaskDetails()
+
+        navController.assertCurrentRouteName("tasks/{taskId}")
+
+        val backText = "Back"
+
+        composeTestRule
+            .onNodeWithContentDescription(backText)
+            .performClick()
+
+        navController.assertCurrentRouteName("tasks")
+    }
+
+    private fun navigateToTaskDetails() {
+        composeTestRule
+            .onNodeWithText("Contribute to Learn-Jetpack-Compose-By-Example")
+            .performClick()
+    }
+
+}

app/src/main/AndroidManifest.xml

@@ -193,6 +193,11 @@
             android:exported="true"
             android:label="@string/title_compose_navigation_example"
             android:theme="@style/AppTheme.NoActionBar" />
+        <activity
+            android:name=".navigation.compose.ComposeNavigationWithArgActivity"
+            android:exported="true"
+            android:label="@string/title_compose_navigation_example"
+            android:theme="@style/AppTheme.NoActionBar" />
     </application>
 
 </manifest>

app/src/main/java/com/example/jetpackcompose/core/MainActivity.kt

@@ -29,6 +29,7 @@ import com.example.jetpackcompose.material.FlowRowActivity
 import com.example.jetpackcompose.material.MaterialActivity
 import com.example.jetpackcompose.material.ShadowActivity
 import com.example.jetpackcompose.navigation.ComposeNavigationActivity
+import com.example.jetpackcompose.navigation.compose.ComposeNavigationWithArgActivity
 import com.example.jetpackcompose.scrollers.HorizontalScrollableActivity
 import com.example.jetpackcompose.scrollers.VerticalScrollableActivity
 import com.example.jetpackcompose.stack.StackActivity
@@ -190,4 +191,8 @@ class MainActivity : AppCompatActivity() {
     fun startComposeNavigationExample(view: View) {
         startActivity(Intent(this, ComposeNavigationActivity::class.java))
     }
+
+    fun startDetailViewComposeNavigationExample(view: View) {
+        startActivity(Intent(this, ComposeNavigationWithArgActivity::class.java))
+    }
 }