| /* |
| * 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.ui.androidview.demos |
| |
| import android.view.ViewGroup |
| import android.view.ViewGroup.LayoutParams.MATCH_PARENT |
| import android.widget.FrameLayout |
| import android.widget.RelativeLayout |
| import androidx.compose.Composable |
| import androidx.compose.Recomposer |
| import androidx.compose.foundation.Box |
| import androidx.compose.state |
| import androidx.ui.core.Alignment |
| import androidx.ui.core.ContextAmbient |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.setContent |
| import androidx.ui.demos.common.ComposableDemo |
| import androidx.ui.demos.common.DemoCategory |
| import androidx.compose.foundation.Text |
| import androidx.compose.foundation.background |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.foundation.layout.Column |
| import androidx.compose.foundation.layout.fillMaxSize |
| import androidx.compose.foundation.layout.padding |
| import androidx.compose.foundation.layout.wrapContentSize |
| import androidx.ui.material.Button |
| import androidx.compose.ui.unit.dp |
| import androidx.ui.viewinterop.AndroidView |
| |
| // TODO(b/158099918): Add this demo to AndroidViewDemos.kt once b/158099918 has been resolved. |
| @Suppress("unused") |
| val ComplexTouchInterop = DemoCategory("Complex Touch Interop", listOf( |
| ComposableDemo("Compose in Android in Compose in Android") { |
| ComposeInAndroidInComposeEtcTargetingDemo() } |
| )) |
| |
| @Composable |
| fun ComposeInAndroidInComposeEtcTargetingDemo() { |
| val context = ContextAmbient.current |
| Column { |
| Text( |
| "In this demo, from the inside out, we have a Compose Button, wrapped in 2 Android " + |
| "FrameLayouts, wrapped in a Compose Box, wrapped in a Column (which also has " + |
| "this Text) which is then in the root AndroidComposeView." |
| ) |
| Text( |
| "Each node in our tree affects the position of the button and the pointer input " + |
| "events translate from Android to compose a couple of times and everything " + |
| "still works." |
| ) |
| Box( |
| Modifier |
| .fillMaxSize() |
| .background(color = Color(0xFF777777)) |
| .padding(48.dp) |
| ) { |
| |
| AndroidView( |
| modifier = Modifier.weight(1f), |
| viewBlock = { |
| FrameLayout(context).apply { |
| setPadding(100, 100, 100, 100) |
| setBackgroundColor(0xFF888888.toInt()) |
| layoutParams = ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT) |
| addView( |
| FrameLayout(context).apply { |
| setPadding(100, 100, 100, 100) |
| setBackgroundColor(0xFF999999.toInt()) |
| layoutParams = |
| RelativeLayout.LayoutParams(MATCH_PARENT, MATCH_PARENT).apply { |
| addRule(RelativeLayout.CENTER_IN_PARENT) |
| } |
| setContent(Recomposer.current()) { |
| Box( |
| Modifier |
| .background(color = Color(0xFFAAAAAA)) |
| .fillMaxSize() |
| .wrapContentSize(Alignment.Center) |
| ) { |
| colorButton() |
| } |
| } |
| } |
| ) |
| } |
| } |
| ) |
| } |
| } |
| } |
| |
| @Composable |
| fun colorButton() { |
| val state = state { false } |
| val color = |
| if (state.value) { |
| Color.Red |
| } else { |
| Color.Blue |
| } |
| Button(onClick = { state.value = !state.value }, backgroundColor = color) { |
| Text("Click me") |
| } |
| } |