Last active
April 20, 2022 17:08
-
-
Save vlas-ilya/cf7bc1bf8b4efa57acde4292b10c746c to your computer and use it in GitHub Desktop.
ObserveLifecycle
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package ru.test.app.ui.features.profile | |
import androidx.compose.material.Button | |
import androidx.compose.material.Text | |
import androidx.compose.runtime.Composable | |
import androidx.compose.runtime.collectAsState | |
import androidx.compose.runtime.getValue | |
import androidx.compose.ui.platform.LocalLifecycleOwner | |
import androidx.compose.ui.tooling.preview.Preview | |
import androidx.hilt.navigation.compose.hiltViewModel | |
import androidx.navigation.NavHostController | |
import ru.test.app.ui.navigation.Screen | |
import ru.test.app.ui.utils.composable.observe | |
@Composable | |
fun HomeScreen( | |
navController: NavHostController, | |
viewModel: HomeViewModel = hiltViewModel() | |
) { | |
LocalLifecycleOwner.current.lifecycle.observe { | |
onCreate { | |
// TODO | |
} | |
onStart { | |
// TODO | |
} | |
onResume { | |
// TODO | |
} | |
onPause { | |
// TODO | |
} | |
onStop { | |
// TODO | |
} | |
onDestroy { | |
// TODO | |
} | |
} | |
HomeScreenView( | |
toProfile = { navController.navigate(route = Screen.Profile.route) } | |
) | |
} | |
@Composable | |
fun HomeScreenView( | |
toProfile: () -> Unit | |
) { | |
Button(onClick = toProfile) { | |
Text(text = "To profile") | |
} | |
} | |
@Preview | |
@Composable | |
fun HomeScreenViewPreview() { | |
HomeScreenView( | |
toProfile = {} | |
) | |
} | |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package ru.test.app.ui.utils.composable | |
import androidx.compose.runtime.* | |
import androidx.lifecycle.DefaultLifecycleObserver | |
import androidx.lifecycle.Lifecycle | |
import androidx.lifecycle.LifecycleOwner | |
@Composable | |
fun Lifecycle.observe( | |
handlers: LifecycleScope.() -> Unit | |
) { | |
val observer = remember { | |
val lifecycleScope = LifecycleScopeImpl() | |
handlers(lifecycleScope) | |
lifecycleScope | |
} | |
DisposableEffect(this) { | |
[email protected](observer) | |
onDispose { [email protected](observer) } | |
} | |
} | |
interface LifecycleScope { | |
fun onCreate(handler: (LifecycleOwner) -> Unit) | |
fun onStart(handler: (LifecycleOwner) -> Unit) | |
fun onResume(handler: (LifecycleOwner) -> Unit) | |
fun onPause(handler: (LifecycleOwner) -> Unit) | |
fun onStop(handler: (LifecycleOwner) -> Unit) | |
fun onDestroy(handler: (LifecycleOwner) -> Unit) | |
} | |
class LifecycleScopeImpl : LifecycleScope, DefaultLifecycleObserver { | |
private var _onCreate: (LifecycleOwner) -> Unit = {} | |
private var _onStart: (LifecycleOwner) -> Unit = {} | |
private var _onResume: (LifecycleOwner) -> Unit = {} | |
private var _onPause: (LifecycleOwner) -> Unit = {} | |
private var _onStop: (LifecycleOwner) -> Unit = {} | |
private var _onDestroy: (LifecycleOwner) -> Unit = {} | |
/// LifecycleScope | |
override fun onCreate(handler: (LifecycleOwner) -> Unit) { | |
this._onCreate = handler | |
} | |
override fun onStart(handler: (LifecycleOwner) -> Unit) { | |
this._onStart = handler | |
} | |
override fun onResume(handler: (LifecycleOwner) -> Unit) { | |
this._onResume = handler | |
} | |
override fun onPause(handler: (LifecycleOwner) -> Unit) { | |
this._onPause = handler | |
} | |
override fun onStop(handler: (LifecycleOwner) -> Unit) { | |
this._onStop = handler | |
} | |
override fun onDestroy(handler: (LifecycleOwner) -> Unit) { | |
this._onDestroy = handler | |
} | |
/// DefaultLifecycleObserver | |
override fun onCreate(owner: LifecycleOwner) { | |
super.onCreate(owner) | |
this._onCreate(owner) | |
} | |
override fun onStart(owner: LifecycleOwner) { | |
super.onStart(owner) | |
this._onStart(owner) | |
} | |
override fun onResume(owner: LifecycleOwner) { | |
super.onResume(owner) | |
this._onResume(owner) | |
} | |
override fun onPause(owner: LifecycleOwner) { | |
super.onPause(owner) | |
this._onPause(owner) | |
} | |
override fun onStop(owner: LifecycleOwner) { | |
super.onStop(owner) | |
this._onStop(owner) | |
} | |
override fun onDestroy(owner: LifecycleOwner) { | |
super.onDestroy(owner) | |
this._onDestroy(owner) | |
} | |
} |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package ru.test.app.ui.features.profile | |
import androidx.compose.material.Button | |
import androidx.compose.material.Text | |
import androidx.compose.runtime.Composable | |
import androidx.compose.runtime.collectAsState | |
import androidx.compose.runtime.getValue | |
import androidx.compose.ui.platform.LocalLifecycleOwner | |
import androidx.compose.ui.tooling.preview.Preview | |
import androidx.hilt.navigation.compose.hiltViewModel | |
import androidx.navigation.NavHostController | |
import ru.test.app.ui.navigation.Screen | |
import ru.test.app.ui.utils.composable.observe | |
@Composable | |
fun ProfileScreen( | |
navController: NavHostController, | |
viewModel: ProfileViewModel = hiltViewModel() | |
) { | |
LocalLifecycleOwner.current.lifecycle.observe { | |
onResume { | |
// TODO | |
} | |
onPause { | |
// TODO | |
} | |
} | |
ProfileScreenView( | |
toHome = { navController.navigate(route = Screen.Home.route) } | |
) | |
} | |
@Composable | |
fun ProfileScreenView( | |
toHome: () -> Unit | |
) { | |
Button(onClick = toHome) { | |
Text(text = "To home") | |
} | |
} | |
@Preview | |
@Composable | |
fun ProfileScreenViewPreview() { | |
ProfileScreenView( | |
toHome = {} | |
) | |
} | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment