16 March, 2024

Start using adb from terminal on MacOS

 

Add the android sdk and platform-tools to your zsh

echo 'export ANDROID_HOME=/Users/$USER/Library/Android/sdk' >> ~/.zshrc
echo 'export PATH=${PATH}:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools' >> ~/.zshrc

 

04 March, 2024

Jetpack Compose remove unselected tab indicator

 

use 

divider = {},

like so:

    TabRow(
selectedTabIndex = selectedTabIndex,
modifier = modifier,
containerColor = Color.Transparent,
contentColor = MaterialTheme.colorScheme.onSurface,
indicator = { tabPositions ->
TabRowDefaults.Indicator(
modifier = Modifier.tabIndicatorOffset(tabPositions[selectedTabIndex]),
height = 2.dp,
// uncomment below to customize indicator color:
// color = MaterialTheme.colorScheme.onSurface,
)
},
divider = {},
tabs = tabs,
)

 

Disable Dark Theme alltoghether

 

@AndroidEntryPoint
class MainActivity : ComponentActivity() {


@OptIn(ExperimentalMaterial3WindowSizeClassApi::class)
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)

val config = resources.configuration
config.uiMode = Configuration.UI_MODE_NIGHT_NO
resources.updateConfiguration(config, resources.displayMetrics)

03 March, 2024

Download an image to local disk and show it with Compose.

 



class DownloadImageUseCase @Inject constructor(
@ApplicationContext private val context: Context,
private val dispatchersProvider: DispatchersProvider,
) {
suspend operator fun invoke(imageUrl: String): String? = withContext(dispatchersProvider.io()) {
try {
val input = URL(imageUrl).openStream()
val fileName = imageUrl.substringAfterLast("/")
val file = File(context.filesDir, fileName)
FileOutputStream(file).use { output ->
input.copyTo(output)
}
file.absolutePath
} catch (e: Exception) {
e.printStackTrace()
null
}
}
}
 
 
viewModelScope.launch {
state.update { oldState ->
oldState.copy(
imagePath =
downloadImageUseCase(
"https://apod.nasa.gov/apod/image/2403/IM_Odysseus_landing-1100x600.png",
),
)
}
}
 

@Composable
fun DisplayImageFromDisk(imagePath: String?) {
imagePath?.let {
Image(
painter = rememberAsyncImagePainter(File(it)),
contentDescription = "Cached Image",
modifier = Modifier.fillMaxWidth()
)
}
}