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Feat: Add auto-save functionality on screen stop event #99

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Feat: Add auto-save functionality on screen stop event #99

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18 changes: 18 additions & 0 deletions app/src/main/java/com/yangdai/opennote/presentation/screen/NoteScreen.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,10 @@ import androidx.compose.ui.util.fastJoinToString
import androidx.core.content.FileProvider
import androidx.core.net.toUri
import androidx.hilt.navigation.compose.hiltViewModel
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.LifecycleEventObserver
import androidx.lifecycle.LifecycleOwner
import androidx.lifecycle.compose.LocalLifecycleOwner
import androidx.lifecycle.compose.collectAsStateWithLifecycle
import com.yangdai.opennote.MainActivity
import com.yangdai.opennote.R
Expand Down Expand Up @@ -163,6 +167,8 @@ fun NoteScreen(
val noteTextDetails by viewModel.textState.collectAsStateWithLifecycle()
val dataAction by viewModel.dataActionStateFlow.collectAsStateWithLifecycle()
val appSettings by viewModel.settingsStateFlow.collectAsStateWithLifecycle()
val lifecycleOwner: LifecycleOwner = LocalLifecycleOwner.current


// 确保屏幕旋转等配置变更时，不会重复加载笔记
var lastLoadedNoteId by rememberSaveable { mutableStateOf<Long?>(null) }
Expand All @@ -178,6 +184,18 @@ fun NoteScreen(
}
}

DisposableEffect(lifecycleOwner) {
val observer = LifecycleEventObserver { _, event ->
if (event == Lifecycle.Event.ON_STOP) {
viewModel.onNoteEvent(NoteEvent.SaveOrUpdate)
}
}
lifecycleOwner.lifecycle.addObserver(observer)
onDispose {
lifecycleOwner.lifecycle.removeObserver(observer)
}
}

val context = LocalContext.current
val coroutineScope = rememberCoroutineScope()
val pagerState = rememberPagerState(pageCount = { 2 })
Expand Down