compose/foundation/foundation/integration-tests/foundation-demos/src/main/java/androidx/compose/foundation/demos/relocation/RequestRectangleOnScreenDemo.kt

/*
 * Copyright 2021 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.demos.relocation

import androidx.compose.foundation.ExperimentalFoundationApi
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.relocation.BringIntoViewRequester
import androidx.compose.foundation.relocation.bringIntoViewRequester
import androidx.compose.material.Button
import androidx.compose.material.Text
import androidx.compose.material.TextField
import androidx.compose.runtime.Composable
import androidx.compose.runtime.remember
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.unit.dp
import kotlinx.coroutines.launch

@OptIn(ExperimentalFoundationApi::class)
@Composable
fun RequestRectangleOnScreenDemo() {
    val bringIntoViewRequester = remember { BringIntoViewRequester() }
    val coroutineScope = rememberCoroutineScope()
    Column {
        TextField(value = "Click here to bring up the soft keyboard", onValueChange = {})
        Button(onClick = { coroutineScope.launch { bringIntoViewRequester.bringIntoView() } }) {
            Text("Bring blue rectangle into view")
        }
        Spacer(Modifier.weight(weight = 1f, fill = true))
        Box(
            Modifier
                .size(50.dp)
                .background(Color.Blue)
                .bringIntoViewRequester(bringIntoViewRequester)
        )
    }
}