Implement compose TimePickerDialog

app/src/main/java/com/hippo/ehviewer/dailycheck/DailyCheckWork.kt

@@ -41,10 +41,10 @@ class DailyCheckWork(context: Context, workerParams: WorkerParameters) :
 }
 
 val schedHour
-    get() = Settings.requestNewsTimerHour.takeUnless { it == -1 }
+    get() = Settings.requestNewsTimerHour.takeUnless { it == -1 } ?: 0
 
 val schedMinute
-    get() = Settings.requestNewsTimerMinute.takeUnless { it == -1 }
+    get() = Settings.requestNewsTimerMinute.takeUnless { it == -1 } ?: 0
 
 private val whenToWork
     get() = LocalDateTime.now()

app/src/main/java/com/hippo/ehviewer/ui/settings/EhScreen.kt

@@ -18,8 +18,10 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.SnackbarHost
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.Text
+import androidx.compose.material3.TimePicker
 import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.material3.rememberTimePickerState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
@@ -38,6 +40,9 @@ import com.hippo.ehviewer.client.EhEngine
 import com.hippo.ehviewer.client.EhUrl
 import com.hippo.ehviewer.client.EhUtils
 import com.hippo.ehviewer.client.parser.HomeParser
+import com.hippo.ehviewer.dailycheck.schedHour
+import com.hippo.ehviewer.dailycheck.schedMinute
+import com.hippo.ehviewer.dailycheck.updateDailyCheckWork
 import com.hippo.ehviewer.ui.compose.observed
 import com.hippo.ehviewer.ui.compose.rememberedAccessor
 import com.hippo.ehviewer.ui.legacy.BaseDialogBuilder
@@ -261,9 +266,26 @@ fun EhScreen() {
                 value = reqNews.rememberedAccessor,
             )
             AnimatedVisibility(visible = reqNews.value) {
-                Preference(
-                    title = stringResource(id = R.string.settings_eh_request_news_timepicker),
-                )
+                val pickerTitle = stringResource(id = R.string.settings_eh_request_news_timepicker)
+                var showPicker by rememberSaveable { mutableStateOf(false) }
+                val state = rememberTimePickerState(schedHour, schedMinute)
+                if (showPicker) {
+                    TimePickerDialog(
+                        title = pickerTitle,
+                        onCancel = { showPicker = false },
+                        onConfirm = {
+                            showPicker = false
+                            Settings.requestNewsTimerHour = state.hour
+                            Settings.requestNewsTimerMinute = state.minute
+                            updateDailyCheckWork(context)
+                        },
+                    ) {
+                        TimePicker(state = state)
+                    }
+                }
+                Preference(title = pickerTitle) {
+                    showPicker = true
+                }
             }
             AnimatedVisibility(visible = reqNews.value) {
                 SwitchPreference(

app/src/main/java/com/hippo/ehviewer/ui/settings/TimePicker.kt

@@ -0,0 +1,65 @@
+package com.hippo.ehviewer.ui.settings
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.IntrinsicSize
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+
+@Composable
+fun TimePickerDialog(
+    title: String,
+    onCancel: () -> Unit,
+    onConfirm: () -> Unit,
+    content: @Composable () -> Unit,
+) {
+    Dialog(
+        onDismissRequest = onCancel,
+        properties = DialogProperties(usePlatformDefaultWidth = false),
+    ) {
+        Surface(
+            shape = MaterialTheme.shapes.extraLarge,
+            tonalElevation = 6.dp,
+            modifier = Modifier.width(IntrinsicSize.Min).height(IntrinsicSize.Min).background(
+                shape = MaterialTheme.shapes.extraLarge,
+                color = MaterialTheme.colorScheme.surface,
+            ),
+        ) {
+            Column(
+                modifier = Modifier.padding(24.dp),
+                horizontalAlignment = Alignment.CenterHorizontally,
+            ) {
+                Text(
+                    modifier = Modifier.fillMaxWidth().padding(bottom = 20.dp),
+                    text = title,
+                    style = MaterialTheme.typography.labelMedium,
+                )
+                content()
+                Row(modifier = Modifier.height(40.dp).fillMaxWidth()) {
+                    Spacer(modifier = Modifier.weight(1f))
+                    TextButton(onClick = onCancel) {
+                        Text(stringResource(id = android.R.string.cancel))
+                    }
+                    TextButton(onClick = onConfirm) {
+                        Text(stringResource(id = android.R.string.ok))
+                    }
+                }
+            }
+        }
+    }
+}