From 2c9213b8885eb37acdcab3ab50f8c5787f9ff627 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Mlynari=C4=8D?= <mlykotom@google.com>
Date: Thu, 4 Sep 2025 12:24:25 +0200
Subject: [PATCH 1/3] Add ability to share image with Androidify

---
 app/src/main/AndroidManifest.xml              |  5 +++++
 .../developers/androidify/MainActivity.kt     | 21 ++++++++++++++++++-
 .../androidify/navigation/MainNavigation.kt   | 10 +++++++--
 3 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 7db43670..0aa9bce7 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -77,6 +77,11 @@
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="image/*" />
+            </intent-filter>
         </activity>
         <!-- need to use Theme.AppCompat -->
         <activity
diff --git a/app/src/main/java/com/android/developers/androidify/MainActivity.kt b/app/src/main/java/com/android/developers/androidify/MainActivity.kt
index 9d2e5e24..6ef6bdee 100644
--- a/app/src/main/java/com/android/developers/androidify/MainActivity.kt
+++ b/app/src/main/java/com/android/developers/androidify/MainActivity.kt
@@ -15,6 +15,8 @@
  */
 package com.android.developers.androidify
 
+import android.content.Intent
+import android.net.Uri
 import android.os.Build
 import android.os.Bundle
 import android.view.WindowManager
@@ -28,6 +30,7 @@ import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.toArgb
+import androidx.core.os.BundleCompat
 import com.android.developers.androidify.navigation.MainNavigation
 import com.android.developers.androidify.theme.AndroidifyTheme
 import com.android.developers.androidify.util.LocalOcclusion
@@ -46,6 +49,8 @@ class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
+        val sharedImageUri: String? = maybeRetrieveSharedImage()
+
         setContent {
             AndroidifyTheme {
                 enableEdgeToEdge(
@@ -59,7 +64,7 @@ class MainActivity : ComponentActivity() {
                     ),
                 )
                 CompositionLocalProvider(LocalOcclusion provides isWindowOccluded) {
-                    MainNavigation()
+                    MainNavigation(sharedImageUri = sharedImageUri)
                 }
             }
         }
@@ -94,4 +99,18 @@ class MainActivity : ComponentActivity() {
             windowManager.unregisterTrustedPresentationListener(presentationListener)
         }
     }
+
+    private fun maybeRetrieveSharedImage(): String? {
+        if (intent?.action != Intent.ACTION_SEND || intent.type?.startsWith("image/") != true) {
+            return null
+        }
+        val extras = intent.extras ?: return null
+
+        return BundleCompat.getParcelable(
+            extras,
+            Intent.EXTRA_STREAM,
+            Uri::class.java,
+        )?.toString()
+    }
+
 }
diff --git a/app/src/main/java/com/android/developers/androidify/navigation/MainNavigation.kt b/app/src/main/java/com/android/developers/androidify/navigation/MainNavigation.kt
index 8eab6f36..1b434b49 100644
--- a/app/src/main/java/com/android/developers/androidify/navigation/MainNavigation.kt
+++ b/app/src/main/java/com/android/developers/androidify/navigation/MainNavigation.kt
@@ -18,6 +18,7 @@
 package com.android.developers.androidify.navigation
 
 import android.content.Intent
+import android.net.Uri
 import androidx.compose.animation.ContentTransform
 import androidx.compose.animation.ExperimentalSharedTransitionApi
 import androidx.compose.animation.fadeIn
@@ -46,8 +47,13 @@ import com.google.android.gms.oss.licenses.OssLicensesMenuActivity
 
 @ExperimentalMaterial3ExpressiveApi
 @Composable
-fun MainNavigation() {
-    val backStack = rememberMutableStateListOf<NavigationRoute>(Home)
+fun MainNavigation(sharedImageUri: String? = null) {
+    val backStack = if (sharedImageUri != null) {
+        rememberMutableStateListOf(Home, Create(sharedImageUri))
+    } else {
+        rememberMutableStateListOf<NavigationRoute>(Home)
+    }
+
     var positionReveal by remember {
         mutableStateOf(IntOffset.Zero)
     }

From 8274b9e869f5205dc76396fc5fa92ab78c0ac9a0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Mlynari=C4=8D?= <mlykotom@google.com>
Date: Fri, 5 Sep 2025 13:41:36 +0200
Subject: [PATCH 2/3] Use LaunchedEffect for creating backstack

---
 .../developers/androidify/navigation/MainNavigation.kt | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/app/src/main/java/com/android/developers/androidify/navigation/MainNavigation.kt b/app/src/main/java/com/android/developers/androidify/navigation/MainNavigation.kt
index 1b434b49..6657f44f 100644
--- a/app/src/main/java/com/android/developers/androidify/navigation/MainNavigation.kt
+++ b/app/src/main/java/com/android/developers/androidify/navigation/MainNavigation.kt
@@ -48,10 +48,12 @@ import com.google.android.gms.oss.licenses.OssLicensesMenuActivity
 @ExperimentalMaterial3ExpressiveApi
 @Composable
 fun MainNavigation(sharedImageUri: String? = null) {
-    val backStack = if (sharedImageUri != null) {
-        rememberMutableStateListOf(Home, Create(sharedImageUri))
-    } else {
-        rememberMutableStateListOf<NavigationRoute>(Home)
+    val backStack = rememberMutableStateListOf<NavigationRoute>(Home)
+
+    LaunchedEffect(sharedImageUri) {
+        if (sharedImageUri != null) {
+            backStack.add(Create(sharedImageUri))
+        }
     }
 
     var positionReveal by remember {

From 572124205e22abc26909d65190255437e8e56435 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Mlynari=C4=8D?= <mlykotom@google.com>
Date: Fri, 5 Sep 2025 13:49:47 +0200
Subject: [PATCH 3/3] Fix import

---
 .../android/developers/androidify/navigation/MainNavigation.kt   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/src/main/java/com/android/developers/androidify/navigation/MainNavigation.kt b/app/src/main/java/com/android/developers/androidify/navigation/MainNavigation.kt
index 6657f44f..c19da693 100644
--- a/app/src/main/java/com/android/developers/androidify/navigation/MainNavigation.kt
+++ b/app/src/main/java/com/android/developers/androidify/navigation/MainNavigation.kt
@@ -27,6 +27,7 @@ import androidx.compose.animation.scaleOut
 import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember