| /* |
| * 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.material.studies.rally |
| |
| import android.os.Bundle |
| import androidx.activity.ComponentActivity |
| import androidx.compose.runtime.Composable |
| import androidx.compose.runtime.getValue |
| import androidx.compose.runtime.setValue |
| import androidx.compose.runtime.state |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.setContent |
| import androidx.compose.foundation.Box |
| import androidx.compose.foundation.layout.padding |
| import androidx.compose.material.Scaffold |
| |
| /** |
| * This Activity recreates the Rally Material Study from |
| * https://material.io/design/material-studies/rally.html |
| */ |
| class RallyActivity : ComponentActivity() { |
| override fun onCreate(savedInstanceState: Bundle?) { |
| super.onCreate(savedInstanceState) |
| setContent { |
| RallyApp() |
| } |
| } |
| } |
| |
| @Composable |
| fun RallyApp() { |
| RallyTheme { |
| val allScreens = RallyScreenState.values().toList() |
| var currentScreen by state { RallyScreenState.Overview } |
| Scaffold( |
| topBar = { |
| RallyTopAppBar( |
| allScreens = allScreens, |
| onTabSelected = { screen -> currentScreen = screen }, |
| currentScreen = currentScreen |
| ) |
| } |
| ) { innerPadding -> |
| Box(Modifier.padding(innerPadding)) { |
| currentScreen.body() |
| } |
| } |
| } |
| } |