| /* |
| * 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.framework.demos.gestures |
| |
| import android.app.Activity |
| import android.os.Bundle |
| import androidx.compose.memo |
| import androidx.compose.state |
| import androidx.compose.unaryPlus |
| import androidx.ui.core.Alignment |
| import androidx.ui.core.PxPosition |
| import androidx.ui.core.Text |
| import androidx.ui.core.dp |
| import androidx.ui.core.gesture.DragObserver |
| import androidx.ui.core.gesture.RawDragGestureDetector |
| import androidx.ui.core.round |
| import androidx.ui.core.setContent |
| import androidx.ui.foundation.Popup |
| import androidx.ui.foundation.disposeActivityComposition |
| import androidx.ui.foundation.shape.DrawShape |
| import androidx.ui.foundation.shape.corner.CircleShape |
| import androidx.ui.graphics.Color |
| import androidx.ui.layout.Container |
| import androidx.ui.layout.Wrap |
| import androidx.ui.text.ParagraphStyle |
| import androidx.ui.text.style.TextAlign |
| |
| class PopupDragActivity : Activity() { |
| override fun onCreate(savedInstanceState: Bundle?) { |
| super.onCreate(savedInstanceState) |
| |
| setContent { |
| |
| val offset = +state { |
| PxPosition.Origin |
| } |
| |
| val observer = +memo { |
| object : DragObserver { |
| override fun onDrag(dragDistance: PxPosition): PxPosition { |
| offset.value += dragDistance |
| return dragDistance |
| } |
| } |
| } |
| |
| Popup(alignment = Alignment.TopLeft, offset = offset.value.round()) { |
| Wrap { |
| DrawShape(CircleShape, Color.Green) |
| RawDragGestureDetector(observer) { |
| Container(width = 70.dp, height = 70.dp) { |
| Text( |
| text = "This is a popup!", |
| paragraphStyle = ParagraphStyle(textAlign = TextAlign.Center) |
| ) |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| // TODO(b/140396932): Replace with Activity.disposeComposition() when it will be working |
| // properly |
| override fun onDestroy() { |
| disposeActivityComposition(this) |
| super.onDestroy() |
| } |
| } |
