| /* |
| * Copyright 2019 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.foundation.BaseTextField |
| import androidx.compose.foundation.ExperimentalFoundationApi |
| import androidx.compose.foundation.Text |
| import androidx.ui.input.TextFieldValue |
| import androidx.compose.foundation.layout.Stack |
| import androidx.compose.runtime.savedinstancestate.savedInstanceState |
| |
| @Sampled |
| @Composable |
| @OptIn(ExperimentalFoundationApi::class) |
| fun TextFieldSample() { |
| var value by savedInstanceState(saver = TextFieldValue.Saver) { TextFieldValue() } |
| BaseTextField( |
| value = value, |
| onValueChange = { value = it } |
| ) |
| } |
| |
| @Sampled |
| @Composable |
| @OptIn(ExperimentalFoundationApi::class) |
| fun PlaceholderTextFieldSample() { |
| val state = savedInstanceState(saver = TextFieldValue.Saver) { TextFieldValue() } |
| Stack { |
| BaseTextField( |
| value = state.value, |
| onValueChange = { state.value = it } |
| ) |
| if (state.value.text.isEmpty()) { |
| Text( |
| text = "Placeholder" |
| ) |
| } |
| } |
| } |