app/src/androidTest/kotlin/com/wbrawner/simplemarkdown/MarkdownTests.kt

@@ -182,6 +182,29 @@ class MarkdownTests {
         }
     }
 
+    @Test
+    fun launchWithContentUriTest() = runTest {
+        val markdownText = "# UI Testing\n\nThe quick brown fox jumped over the lazy dog."
+        file.outputStream().writer().use { it.write(markdownText) }
+        val fileUri = FileProvider.getUriForFile(
+            getApplicationContext(),
+            "${BuildConfig.APPLICATION_ID}.fileprovider",
+            file
+        )
+        ActivityScenario.launch<MainActivity>(
+            Intent(
+                Intent.ACTION_VIEW,
+                fileUri,
+                getInstrumentation().targetContext,
+                MainActivity::class.java
+            )
+        )
+        onMainScreen(composeRule) {
+            awaitIdle()
+            checkMarkdownEquals(markdownText)
+            checkTitleEquals("temp.md")
+        }
+    }
 
     @Test
     fun openEditAndSaveMarkdownTest() = runTest {

app/src/main/java/com/wbrawner/simplemarkdown/MarkdownViewModel.kt

@@ -14,7 +14,6 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
-import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withContext
@@ -50,9 +49,6 @@ class MarkdownViewModel(
     private val saveMutex = Mutex()
 
     init {
-        viewModelScope.launch {
-            load(null)
-        }
         preferenceHelper.observe<Boolean>(Preference.LOCK_SWIPING)
             .onEach {
                 _state.value = _state.value.copy(lockSwiping = it)

app/src/main/java/com/wbrawner/simplemarkdown/ui/MainScreen.kt

@@ -61,6 +61,7 @@ import com.wbrawner.simplemarkdown.MarkdownViewModel
 import com.wbrawner.simplemarkdown.ParameterizedText
 import com.wbrawner.simplemarkdown.R
 import com.wbrawner.simplemarkdown.Route
+import com.wbrawner.simplemarkdown.utility.activity
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.map
@@ -86,6 +87,10 @@ fun MainScreen(
     val alert by viewModel.collectAsState(EditorState::alert, null)
     val saveCallback by viewModel.collectAsState(EditorState::saveCallback, null)
     val lockSwiping by viewModel.collectAsState(EditorState::lockSwiping, false)
+    val intentData = LocalContext.current.activity?.intent?.data
+    LaunchedEffect(intentData) {
+        viewModel.load(intentData?.toString())
+    }
     LaunchedEffect(enableAutosave) {
         if (!enableAutosave) return@LaunchedEffect
         while (isActive) {

app/src/main/java/com/wbrawner/simplemarkdown/utility/Extensions.kt

@@ -1,11 +1,11 @@
 package com.wbrawner.simplemarkdown.utility
 
+import android.app.Activity
 import android.content.Context
+import android.content.ContextWrapper
 import android.content.res.AssetManager
 import android.net.Uri
 import android.provider.OpenableColumns
-import android.view.View
-import android.view.inputmethod.InputMethodManager
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import java.io.Reader
@@ -41,3 +41,11 @@ suspend fun Uri.getName(context: Context): String {
     }
     return fileName ?: "Untitled.md"
 }
+
+@Suppress("RecursivePropertyAccessor")
+val Context.activity: Activity?
+    get() = when (this) {
+        is Activity -> this
+        is ContextWrapper -> baseContext.activity
+        else -> null
+    }