compose: Initial migration of AppDetails* logic to compose [1/*]

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/java/com/aurora/extensions/Context.kt

@@ -74,6 +74,19 @@ fun Context.share(app: App) {
     }
 }
 
+fun Context.mailTo(email: String) {
+    try {
+        val sendIntent = Intent().apply {
+            action = Intent.ACTION_SENDTO
+            data = "mailto:".toUri()
+            putExtra(Intent.EXTRA_EMAIL, email)
+        }
+        startActivity(Intent.createChooser(sendIntent, getString(R.string.details_dev_email)))
+    } catch (exception: Exception) {
+        Log.e(TAG, "Failed to email", exception)
+    }
+}
+
 fun Context.openInfo(packageName: String) {
     try {
         val intent = Intent(

app/src/main/java/com/aurora/extensions/NavBackStackEntry.kt

@@ -0,0 +1,24 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The Calyx Institute
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.aurora.extensions
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.ViewModel
+import androidx.navigation.NavBackStackEntry
+import androidx.navigation.NavController
+import androidx.navigation.NavGraph.Companion.findStartDestination
+
+/**
+ * Gets viewModel from the parent composable if exists
+ */
+@Composable
+inline fun <reified T : ViewModel> NavBackStackEntry.parentViewModel(navController: NavController): T {
+    val navGraphRoute = navController.graph.findStartDestination().route ?: return hiltViewModel()
+    val parentEntry = remember(this) { navController.getBackStackEntry(navGraphRoute) }
+    return hiltViewModel<T>(parentEntry)
+}

app/src/main/java/com/aurora/extensions/Shimmer.kt

@@ -0,0 +1,65 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The Calyx Institute
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.aurora.extensions
+
+import androidx.compose.animation.core.FastOutSlowInEasing
+import androidx.compose.animation.core.RepeatMode
+import androidx.compose.animation.core.animateFloat
+import androidx.compose.animation.core.infiniteRepeatable
+import androidx.compose.animation.core.rememberInfiniteTransition
+import androidx.compose.animation.core.tween
+import androidx.compose.foundation.background
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.composed
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.unit.IntSize
+
+/**
+ * Modifier for composable to play shimmer animation
+ * @param toShow Whether to play shimmer animation
+ */
+fun Modifier.shimmer(toShow: Boolean): Modifier {
+    return composed {
+        if (toShow) {
+            val shimmerColors = listOf(
+                Color.LightGray.copy(alpha = 0.6f),
+                Color.LightGray.copy(alpha = 0.2f),
+                Color.LightGray.copy(alpha = 0.6f)
+            )
+
+            var size by remember { mutableStateOf(IntSize.Zero) }
+
+            val transition = rememberInfiniteTransition()
+            val transitionAnimation = transition.animateFloat(
+                initialValue = 0f,
+                targetValue = 1000f,
+                animationSpec = infiniteRepeatable(
+                    animation = tween(
+                        durationMillis = 1000,
+                        easing = FastOutSlowInEasing
+                    ),
+                    repeatMode = RepeatMode.Reverse
+                )
+            )
+            background(
+                brush = Brush.linearGradient(
+                    colors = shimmerColors,
+                    start = Offset.Zero,
+                    end = Offset(x = transitionAnimation.value, y = transitionAnimation.value)
+                )
+            ).onGloballyPositioned { size = it.size }
+        } else {
+            Modifier
+        }
+    }
+}

app/src/main/java/com/aurora/extensions/Typography.kt

@@ -0,0 +1,19 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The Calyx Institute
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.aurora.extensions
+
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Typography
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.unit.sp
+
+/**
+ * Text style for composable with very small text
+ */
+val Typography.bodyVerySmall: TextStyle
+    @Composable
+    get() = MaterialTheme.typography.bodySmall.copy(fontSize = 10.sp)