Created
July 22, 2022 03:49
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Jetpack Compose pointerInterOpFilter
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| package com.debduttapanda.pointerinteropfilter | |
| import android.os.Bundle | |
| import android.util.Log | |
| import android.view.MotionEvent | |
| import androidx.activity.ComponentActivity | |
| import androidx.activity.compose.setContent | |
| import androidx.compose.foundation.background | |
| import androidx.compose.foundation.layout.Box | |
| import androidx.compose.foundation.layout.fillMaxSize | |
| import androidx.compose.foundation.layout.size | |
| import androidx.compose.material.MaterialTheme | |
| import androidx.compose.material.Surface | |
| import androidx.compose.material.Text | |
| import androidx.compose.runtime.Composable | |
| import androidx.compose.ui.ExperimentalComposeUiApi | |
| import androidx.compose.ui.Modifier | |
| import androidx.compose.ui.graphics.Color | |
| import androidx.compose.ui.input.pointer.pointerInteropFilter | |
| import androidx.compose.ui.tooling.preview.Preview | |
| import androidx.compose.ui.unit.dp | |
| import com.debduttapanda.pointerinteropfilter.ui.theme.PointerInterOpFilterTheme | |
| class MainActivity : ComponentActivity() { | |
| @OptIn(ExperimentalComposeUiApi::class) | |
| override fun onCreate(savedInstanceState: Bundle?) { | |
| super.onCreate(savedInstanceState) | |
| setContent { | |
| PointerInterOpFilterTheme { | |
| // A surface container using the 'background' color from the theme | |
| Surface( | |
| modifier = Modifier.fillMaxSize(), | |
| color = MaterialTheme.colors.background | |
| ) { | |
| Box(){ | |
| Box( | |
| modifier = Modifier | |
| .size(200.dp) | |
| .background(Color.Red) | |
| .pointerInteropFilter {event-> | |
| Log.d("pointer_log__","${event.pointerCount}") | |
| when(event.action){ | |
| MotionEvent.ACTION_UP->{ | |
| Log.d("pointer_log","action_up ${event.x},${event.y}") | |
| } | |
| MotionEvent.ACTION_DOWN->{ | |
| Log.d("pointer_log","action_down ${event.x},${event.y}") | |
| } | |
| MotionEvent.ACTION_MOVE->{ | |
| Log.d("pointer_log","action_move ${event.x},${event.y}") | |
| } | |
| } | |
| true | |
| } | |
| ){ | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } |
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