| /* |
| * Copyright 2020 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 |
| * |
| * http://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 androidx.compose.foundation.samples |
| |
| import androidx.annotation.Sampled |
| import androidx.compose.Composable |
| import androidx.compose.getValue |
| import androidx.compose.setValue |
| import androidx.compose.state |
| import androidx.ui.core.Modifier |
| import androidx.compose.foundation.Box |
| import androidx.compose.foundation.Text |
| import androidx.compose.foundation.background |
| import androidx.compose.foundation.selection.selectable |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.foundation.layout.Column |
| import androidx.compose.foundation.layout.Row |
| import androidx.compose.foundation.layout.size |
| import androidx.ui.unit.dp |
| |
| @Sampled |
| @Composable |
| fun SelectableSample() { |
| val option1 = Color.Red |
| val option2 = Color.Blue |
| var selectedOption by state { option1 } |
| Column { |
| Text("Selected: $selectedOption") |
| Row { |
| listOf(option1, option2).forEach { color -> |
| val selected = selectedOption == color |
| Box( |
| Modifier |
| .size(100.dp) |
| .background(color = color) |
| .selectable( |
| selected = selected, |
| onClick = { selectedOption = color } |
| ) |
| ) |
| } |
| } |
| } |
| } |