| /* |
| * 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.ui.tooling |
| |
| import androidx.compose.Composable |
| import androidx.compose.foundation.Text |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.foundation.layout.Column |
| import androidx.compose.foundation.layout.Row |
| import androidx.ui.material.Button |
| import androidx.ui.material.Surface |
| import androidx.ui.tooling.preview.Preview |
| |
| /** |
| * Method used to verify the Composable -> Source Code mapping. |
| * If the line numbers in this file change, the ComposeViewAdapter#lineNumberMapping test will |
| * break!!! |
| */ |
| @Preview |
| @Composable |
| fun LineNumberPreview() { |
| Surface(color = Color.Red) { |
| Column { |
| Text("Hello world1") |
| repeat(3) { // This line does not generate source code information in the tree |
| Text("Hello world2") |
| } |
| |
| Row { |
| Button(onClick = {}) {} |
| Button(onClick = {}) {} |
| } |
| } |
| } |
| } |