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26 changes: 26 additions & 0 deletions
26
app/src/androidTest/java/com/lorenzovainigli/foodexpirationdates/model/MigrationTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| package com.lorenzovainigli.foodexpirationdates.model | ||
|
|
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| import androidx.room.testing.MigrationTestHelper | ||
| import androidx.test.platform.app.InstrumentationRegistry | ||
| import org.junit.Rule | ||
| import org.junit.Test | ||
|
|
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| class MigrationTest { | ||
|
|
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| private val TEST_DB = "migration-test" | ||
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|
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| @JvmField | ||
| @Rule | ||
| val helper: MigrationTestHelper = MigrationTestHelper( | ||
| InstrumentationRegistry.getInstrumentation(), | ||
| AppDatabase::class.java | ||
| ) | ||
|
|
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| @Test | ||
| fun migrate1To2() { | ||
| helper.createDatabase(TEST_DB, 1).apply { | ||
| close() | ||
| } | ||
| helper.runMigrationsAndValidate(TEST_DB, 2, true) | ||
| } | ||
| } |
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7 changes: 6 additions & 1 deletion
7
app/src/main/java/com/lorenzovainigli/foodexpirationdates/model/AppDatabase.kt
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93 changes: 93 additions & 0 deletions
93
app/src/main/java/com/lorenzovainigli/foodexpirationdates/view/composable/Dropdown.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| package com.lorenzovainigli.foodexpirationdates.view.composable | ||
|
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| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.material3.DropdownMenuItem | ||
| import androidx.compose.material3.ExperimentalMaterial3Api | ||
| import androidx.compose.material3.ExposedDropdownMenuBox | ||
| import androidx.compose.material3.ExposedDropdownMenuDefaults | ||
| import androidx.compose.material3.Surface | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.material3.TextField | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.runtime.setValue | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.tooling.preview.PreviewLightDark | ||
| import com.lorenzovainigli.foodexpirationdates.ui.theme.FoodExpirationDatesTheme | ||
|
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| @OptIn(ExperimentalMaterial3Api::class) | ||
| @Composable | ||
| fun Dropdown( | ||
| modifier: Modifier = Modifier, | ||
| choices: Array<String>, | ||
| onChange: (String) -> Unit, | ||
| isExpandedStartValue: Boolean = false | ||
| ) { | ||
| var isExpanded by remember { | ||
| mutableStateOf(isExpandedStartValue) | ||
| } | ||
| var choice by remember { | ||
| mutableStateOf(choices[0]) | ||
| } | ||
| ExposedDropdownMenuBox( | ||
| modifier = modifier, | ||
| expanded = isExpanded, | ||
| onExpandedChange = { | ||
| isExpanded = it | ||
| } | ||
| ) { | ||
| TextField( | ||
| modifier = Modifier.menuAnchor(), | ||
| value = choice, | ||
| onValueChange = {}, | ||
| readOnly = true, | ||
| trailingIcon = { | ||
| ExposedDropdownMenuDefaults.TrailingIcon(expanded = isExpanded) | ||
| }, | ||
| colors = ExposedDropdownMenuDefaults.textFieldColors() | ||
| ) | ||
| ExposedDropdownMenu( | ||
| expanded = isExpanded, | ||
| onDismissRequest = { | ||
| isExpanded = false | ||
| } | ||
| ) { | ||
| choices.forEach { | ||
| DropdownMenuItem( | ||
| text = { | ||
| Text(it) | ||
| }, | ||
| onClick = { | ||
| choice = it | ||
| onChange(it) | ||
| isExpanded = false | ||
| } | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| @Composable | ||
| @PreviewLightDark | ||
| fun DropdownPreview() { | ||
| FoodExpirationDatesTheme { | ||
| Surface { | ||
| Column { | ||
| val choices =(0..3).map { "Choice $it" }.toTypedArray() | ||
| Dropdown( | ||
| choices = choices, | ||
| onChange = {}, | ||
| isExpandedStartValue = false | ||
| ) | ||
| Dropdown( | ||
| choices = choices, | ||
| onChange = {}, | ||
| isExpandedStartValue = true | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } |
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