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77 changes: 77 additions & 0 deletions
77
compose/snippets/src/main/java/com/example/compose/snippets/components/RadioButton.kt
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| /* | ||
| * Copyright 2024 The Android Open Source Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package com.example.compose.snippets.components | ||
|
|
||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.Row | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.height | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.selection.selectable | ||
| import androidx.compose.foundation.selection.selectableGroup | ||
| import androidx.compose.material3.MaterialTheme | ||
| import androidx.compose.material3.RadioButton | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.semantics.Role | ||
| import androidx.compose.ui.tooling.preview.Preview | ||
| import androidx.compose.ui.unit.dp | ||
|
|
||
| // [START android_compose_components_radiobuttonsingleselection] | ||
| @Composable | ||
| fun RadioButtonSingleSelection(modifier: Modifier = Modifier) { | ||
| val radioOptions = listOf("Calls", "Missed", "Friends") | ||
| val (selectedOption, onOptionSelected) = remember { mutableStateOf(radioOptions[0]) } | ||
| // Note that Modifier.selectableGroup() is essential to ensure correct accessibility behavior | ||
| Column(modifier.selectableGroup()) { | ||
| radioOptions.forEach { text -> | ||
| Row( | ||
| Modifier | ||
| .fillMaxWidth() | ||
| .height(56.dp) | ||
| .selectable( | ||
| selected = (text == selectedOption), | ||
| onClick = { onOptionSelected(text) }, | ||
| role = Role.RadioButton | ||
| ) | ||
| .padding(horizontal = 16.dp), | ||
| verticalAlignment = Alignment.CenterVertically | ||
| ) { | ||
| RadioButton( | ||
| selected = (text == selectedOption), | ||
| onClick = null // null recommended for accessibility with screen readers | ||
| ) | ||
| Text( | ||
| text = text, | ||
| style = MaterialTheme.typography.bodyLarge, | ||
| modifier = Modifier.padding(start = 16.dp) | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| // [END android_compose_components_radiobuttonsingleselection] | ||
|
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||
| @Preview | ||
| @Composable | ||
| private fun RadioButtonSingleSelectionPreview() { | ||
| RadioButtonSingleSelection() | ||
| } |
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105 changes: 105 additions & 0 deletions
105
compose/snippets/src/main/java/com/example/compose/snippets/text/FilterText.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,105 @@ | ||
| /* | ||
| * Copyright 2024 The Android Open Source Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package com.example.compose.snippets.text | ||
|
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||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.fillMaxSize | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.lazy.LazyColumn | ||
| import androidx.compose.material3.ListItem | ||
| import androidx.compose.material3.OutlinedTextField | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.saveable.rememberSaveable | ||
| import androidx.compose.runtime.setValue | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.tooling.preview.Preview | ||
| import androidx.compose.ui.unit.dp | ||
| import androidx.lifecycle.ViewModel | ||
| import androidx.lifecycle.compose.collectAsStateWithLifecycle | ||
| import androidx.lifecycle.viewmodel.compose.viewModel | ||
| import kotlinx.coroutines.flow.MutableStateFlow | ||
| import kotlinx.coroutines.flow.StateFlow | ||
|
|
||
| // [START android_compose_text_filtertextviewmodel] | ||
| class FilterTextViewModel : ViewModel() { | ||
| private val items = listOf( | ||
| "Cupcake", | ||
| "Donut", | ||
| "Eclair", | ||
| "Froyo", | ||
| "Gingerbread", | ||
| "Honeycomb", | ||
| "Ice Cream Sandwich" | ||
| ) | ||
|
|
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| private val _filteredItems = MutableStateFlow(items) | ||
| var filteredItems: StateFlow<List<String>> = _filteredItems | ||
|
|
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| fun filterText(input: String) { | ||
| // This filter returns the full items list when input is an empty string. | ||
| _filteredItems.value = items.filter { it.contains(input, ignoreCase = true) } | ||
| } | ||
| } | ||
| // [END android_compose_text_filtertextviewmodel] | ||
|
|
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| // [START android_compose_text_filtertextview] | ||
| @Composable | ||
| fun FilterTextView(modifier: Modifier = Modifier, viewModel: FilterTextViewModel = viewModel()) { | ||
| val filteredItems by viewModel.filteredItems.collectAsStateWithLifecycle() | ||
| var text by rememberSaveable { mutableStateOf("") } | ||
|
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| Column( | ||
| modifier = Modifier | ||
| .fillMaxSize() | ||
| .padding(all = 10.dp) | ||
| ) { | ||
| OutlinedTextField( | ||
| value = text, | ||
| onValueChange = { | ||
| text = it | ||
| viewModel.filterText(text) | ||
| }, | ||
| label = { Text("Filter Text") }, | ||
| modifier = Modifier.fillMaxWidth() | ||
| ) | ||
|
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| LazyColumn { | ||
| items( | ||
| count = filteredItems.size, | ||
| key = { index -> filteredItems[index] } | ||
| ) { | ||
| ListItem( | ||
| headlineContent = { Text(filteredItems[it]) }, | ||
| modifier = Modifier | ||
| .fillParentMaxWidth() | ||
| .padding(10.dp) | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| // [END android_compose_text_filtertextview] | ||
|
|
||
| @Preview(showBackground = true) | ||
| @Composable | ||
| private fun FilterTextViewPreview() { | ||
| FilterTextView() | ||
| } |
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| @@ -0,0 +1 @@ | ||
| /build |
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| Original file line number | Diff line number | Diff line change |
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| plugins { | ||
| alias(libs.plugins.android.application) | ||
| alias(libs.plugins.kotlin.android) | ||
| alias(libs.plugins.ksp) | ||
| alias(libs.plugins.hilt) | ||
| alias(libs.plugins.compose.compiler) | ||
| } | ||
|
|
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| android { | ||
| compileSdk = libs.versions.compileSdk.get().toInt() | ||
| namespace = "com.example.snippets" | ||
|
|
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| defaultConfig { | ||
| applicationId = "com.example.snippets" | ||
| minSdk = libs.versions.minSdk.get().toInt() | ||
| targetSdk = libs.versions.targetSdk.get().toInt() | ||
| versionCode = 1 | ||
| versionName = "1.0" | ||
| testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" | ||
| } | ||
|
|
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| kotlin { | ||
| jvmToolchain(17) | ||
| } | ||
|
|
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| buildTypes { | ||
| getByName("debug") { | ||
| signingConfig = signingConfigs.getByName("debug") | ||
| } | ||
|
|
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| getByName("release") { | ||
| isMinifyEnabled = false | ||
| proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), | ||
| "proguard-rules.pro") | ||
| } | ||
| } | ||
| compileOptions { | ||
| sourceCompatibility = JavaVersion.VERSION_17 | ||
| targetCompatibility = JavaVersion.VERSION_17 | ||
| } | ||
| buildFeatures { | ||
| compose = true | ||
| // Disable unused AGP features | ||
| viewBinding = true | ||
| } | ||
|
|
||
| } | ||
| dependencies { | ||
| val composeBom = platform(libs.androidx.compose.bom) | ||
| implementation(composeBom) | ||
| androidTestImplementation(composeBom) | ||
| implementation(libs.androidx.core.ktx) | ||
| implementation(libs.androidx.activity.compose) | ||
| implementation(libs.androidx.compose.runtime) | ||
| implementation(libs.androidx.compose.foundation) | ||
| implementation(libs.androidx.compose.foundation.layout) | ||
| implementation(libs.androidx.compose.ui.util) | ||
| implementation(libs.androidx.compose.ui.tooling.preview) | ||
| implementation(libs.androidx.compose.material3) | ||
|
|
||
| implementation(libs.hilt.android) | ||
| implementation(libs.androidx.hilt.navigation.compose) | ||
| implementation(libs.kotlinx.serialization.json) | ||
| ksp(libs.hilt.compiler) | ||
|
|
||
| implementation(libs.androidx.lifecycle.runtime) | ||
| testImplementation(libs.junit) | ||
| androidTestImplementation(libs.junit) | ||
| androidTestImplementation(libs.androidx.test.core) | ||
| androidTestImplementation(libs.androidx.test.runner) | ||
| androidTestImplementation(libs.androidx.test.espresso.core) | ||
| } |
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