xfy
fc3c8ec882
- BackHandler 升级为 PredictiveBackHandler expect/actual - Android 13+ 启用系统级预测返回，跟手阶段同步位移/缩放页面 - Android 低版本回退至普通 BackHandler - iOS 保持空实现（无系统返回手势） - 页面返回动画统一 250ms 时长，提升流畅感 - AndroidManifest 启用 enableOnBackInvokedCallback
42 lines
1.2 KiB
Kotlin
42 lines
1.2 KiB
Kotlin
package plus.rua.project
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import android.os.Build
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.rememberCoroutineScope
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import kotlinx.coroutines.CancellationException
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import kotlinx.coroutines.launch
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class AndroidPlatform : Platform {
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override val name: String = "Android ${Build.VERSION.SDK_INT}"
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}
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actual fun getPlatform(): Platform = AndroidPlatform()
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actual fun getGifUri(gifFile: String): String = "file:///android_asset/gifs/$gifFile"
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actual fun getAppIconUri(): String = "file:///android_asset/app_icon.png"
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@Composable
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actual fun PredictiveBackHandler(
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enabled: Boolean,
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onProgress: (Float) -> Unit,
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onBack: () -> Unit,
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onCancel: () -> Unit
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) {
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if (Build.VERSION.SDK_INT >= 34) {
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val scope = rememberCoroutineScope()
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androidx.activity.compose.PredictiveBackHandler(enabled) { progress ->
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try {
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progress.collect { backEvent ->
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onProgress(backEvent.progress)
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}
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onBack()
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} catch (e: CancellationException) {
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onCancel()
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}
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}
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} else {
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androidx.activity.compose.BackHandler(enabled = enabled, onBack = onBack)
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}
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}
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