log:
std::string 是有效的 UTF-8env->NewStringUTF() 只能處理有效的 UTF-8 字符串。如果 transcribeMelBuffer 返回的 std::string 不是 UTF-8，則應該先進行轉換。例如：
std::string result = engine->transcribeMelBuffer(sampleVector);
// 確保 result 是 UTF-8
if (!isValidUTF8(result)) {
return env->NewStringUTF("Error: Invalid UTF-8 output");
}
return env->NewStringUTF(result.c_str()); @Composable
fun SampleSpinner(
list: List<Pair<String, String>>,
preselected: Pair<String, String>,
onSelectionChanged: (selection: Pair<String, String>) -> Unit
) {
var selected by remember { mutableStateOf(preselected) }
var expanded by remember { mutableStateOf(false) } // initial value
Box {
Column {
OutlinedTextField(
value = (selected.second),
onValueChange = { },
label = { Text(text = "My List") },
modifier = Modifier.fillMaxWidth(),
trailingIcon = { Icon(Icons.Outlined.ArrowDropDown, null) },
readOnly = true
)
DropdownMenu(
modifier = Modifier.fillMaxWidth(),
expanded = expanded,
onDismissRequest = { expanded = false },
) {
list.forEach { entry ->
DropdownMenuItem(
modifier = Modifier.fillMaxWidth(),
onClick = {
selected = entry
expanded = false
},
text = {
Text(
text = (entry.second),
modifier = Modifier
.wrapContentWidth()
.align(Alignment.Start)
)
}
)
}
}
}
Spacer(
modifier = Modifier
.matchParentSize()
.background(Color.Transparent)
.padding(10.dp)
.clickable(
onClick = { expanded = !expanded }
)
)
}
}
@Preview(showBackground = true)
@Composable
fun SampleSpinner_Preview() {
MaterialTheme {
val entry1 = Pair("Key1", "Entry1")
val entry2 = Pair("Key2", "Entry2")
val entry3 = Pair("Key3", "Entry3")
SampleSpinner(
listOf(entry1, entry2, entry3),
preselected = entry2,
onSelectionChanged = { selected -> /* do something with selected */ }
)
}
}在 Android 開發的世界中，UI 元件的設計歷來是開發者最重要的工作之一。傳統上，Android 使用 XML 布局來定義界面，然而，這種方法相對繁瑣，且缺乏靈活性。為了解決這些問題，Google 推出了 Jetpack Compose，一個基於 Kotlin 語言的 UI 架構，旨在使 UI 開發更加簡單、直觀、和靈活。
Jetpack Compose 的核心概念是“聲明式 UI”，這意味著開發者只需要描述界面應該是什麼樣的，框架會自動處理 UI 的更新和渲染。這種方式使得代碼更加簡潔且易於維護。
To address the issue of launching an app from another app in Android API level 12 and above, follow these steps:
Add the following to your AndroidManifest.xml:
<manifest>
<queries>
<package android:name="package.of.app.you.wanna.open"/>
</queries>
</manifest>