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142 changes: 142 additions & 0 deletions
142
app/src/main/java/com/prafullm/jetcomposer/screens/TrackPad.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| package com.prafullm.jetcomposer.screens | ||
|
|
||
| import android.view.MotionEvent | ||
| import androidx.compose.animation.AnimatedVisibility | ||
| import androidx.compose.animation.ExperimentalAnimationApi | ||
| import androidx.compose.animation.animateColorAsState | ||
| import androidx.compose.foundation.Image | ||
| import androidx.compose.foundation.background | ||
| import androidx.compose.foundation.layout.* | ||
| import androidx.compose.foundation.shape.RoundedCornerShape | ||
| import androidx.compose.material.Button | ||
| import androidx.compose.material.ButtonDefaults | ||
| import androidx.compose.material.Card | ||
| import androidx.compose.material.Text | ||
| import androidx.compose.runtime.* | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.ExperimentalComposeUiApi | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.geometry.Offset | ||
| import androidx.compose.ui.geometry.Rect | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.graphics.vector.ImageVector | ||
| import androidx.compose.ui.input.pointer.pointerInteropFilter | ||
| import androidx.compose.ui.layout.LayoutCoordinates | ||
| import androidx.compose.ui.layout.boundsInParent | ||
| import androidx.compose.ui.layout.onGloballyPositioned | ||
| import androidx.compose.ui.platform.LocalDensity | ||
| import androidx.compose.ui.res.vectorResource | ||
| import androidx.compose.ui.tooling.preview.Preview | ||
| import androidx.compose.ui.unit.dp | ||
| import androidx.compose.ui.unit.sp | ||
| import com.prafullm.jetcomposer.R | ||
| import com.prafullm.jetcomposer.ui.theme.darkBlue | ||
| import com.prafullm.jetcomposer.ui.theme.lightBlue | ||
| import kotlin.math.max | ||
|
|
||
| @ExperimentalAnimationApi | ||
| @ExperimentalComposeUiApi | ||
| @Preview | ||
| @Composable | ||
| fun TrackPad() { | ||
| var coordinate by remember { mutableStateOf(Offset(10f, 10f)) } | ||
| var buttonBounds by remember { mutableStateOf(Rect(Offset.Zero, Offset.Zero)) } | ||
| var isAboveButton by remember { mutableStateOf(false) } | ||
| var isButtonTapped by remember { mutableStateOf(false) } | ||
|
|
||
| val backgroundColor = animateColorAsState(targetValue = if(isButtonTapped) lightBlue else Color.White) | ||
| var downStartTime = 0L | ||
|
|
||
| Column( | ||
| Modifier | ||
| .fillMaxSize() | ||
| .background(Color.White) | ||
| .padding(16.dp)) { | ||
| Card( | ||
| backgroundColor = backgroundColor.value, | ||
| modifier = Modifier | ||
| .weight(1f) | ||
| .fillMaxWidth(), | ||
| elevation = 3.dp, | ||
| shape = RoundedCornerShape(5) | ||
| ) { | ||
| Box(contentAlignment = Alignment.Center) { | ||
| Button( | ||
| onClick = { }, | ||
| shape = RoundedCornerShape(50), | ||
| elevation = ButtonDefaults.elevation(0.dp, 0.dp, 0.dp), | ||
| colors = ButtonDefaults.buttonColors( | ||
| backgroundColor = darkBlue, | ||
| contentColor = Color.White | ||
| ), | ||
| contentPadding = PaddingValues(horizontal = 16.dp), | ||
| modifier = Modifier.onGloballyPositioned { c: LayoutCoordinates-> | ||
| buttonBounds = c.boundsInParent() | ||
| } | ||
| ){ | ||
| Row(){ | ||
| AnimatedVisibility(visible = !isButtonTapped) { | ||
| Text( | ||
| text = "Tap", | ||
| color = Color.White, | ||
| fontSize = 15.sp | ||
| ) | ||
| } | ||
| AnimatedVisibility(visible = isButtonTapped) { | ||
| Text( | ||
| text = "Tapped!", | ||
| color = Color.White, | ||
| fontSize = 15.sp | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| Box(modifier = Modifier.fillMaxSize()) { | ||
| Box( | ||
| modifier = Modifier | ||
| .size(24.dp) | ||
| .offset( | ||
| with(LocalDensity.current) { coordinate.x.toDp() }, | ||
| with(LocalDensity.current) { coordinate.y.toDp() } | ||
| ) | ||
| ) { | ||
| Image( | ||
| imageVector = ImageVector.vectorResource(if(!isAboveButton) R.drawable.ic_cursor else R.drawable.ic_pointing_hand), | ||
| contentDescription = null, | ||
| modifier = Modifier | ||
| .fillMaxSize(), | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| } | ||
| } | ||
| Spacer(modifier = Modifier.height(16.dp)) | ||
| Card( | ||
| backgroundColor = Color.LightGray, | ||
| modifier = Modifier | ||
| .weight(1f) | ||
| .fillMaxWidth() | ||
| .pointerInteropFilter { m -> | ||
| when (m.action) { | ||
| MotionEvent.ACTION_UP -> { | ||
| if (System.currentTimeMillis() - downStartTime < 200L) { | ||
| if (isAboveButton) isButtonTapped = !isButtonTapped | ||
| } | ||
| } | ||
| MotionEvent.ACTION_DOWN -> { | ||
| downStartTime = System.currentTimeMillis() | ||
| } | ||
| MotionEvent.ACTION_MOVE -> { | ||
| val eventOffset = Offset(max(0f, m.x), max(0f, m.y)) | ||
| coordinate = eventOffset | ||
| isAboveButton = buttonBounds.contains(eventOffset) | ||
| } | ||
| } | ||
| true | ||
| }, | ||
| elevation = 2.dp, | ||
| shape = RoundedCornerShape(5) | ||
| ) {} | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| <vector android:height="24dp" android:viewportHeight="18.2" | ||
| android:viewportWidth="11.6" android:width="15.296703dp" xmlns:android="http://schemas.android.com/apk/res/android"> | ||
| <path android:fillColor="#FF000000" android:pathData="M0,16L0,0L11.6,11.6L4.8,11.6l-0.4,0.1Z"/> | ||
| <path android:fillColor="#FF000000" android:pathData="M9.1,16.7l-3.6,1.5L0.8,7.1l3.7,-1.5Z"/> | ||
| <path android:fillColor="#FF000000" android:pathData="M2.83,9.393l1.8441,-0.7742l3.0966,7.3764l-1.8441,0.7742z"/> | ||
| <path android:fillColor="#FF000000" android:pathData="M1,2.4L1,13.6l3,-2.9 0.4,-0.1h4.8Z"/> | ||
| </vector> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| <vector android:height="24dp" android:viewportHeight="15.249" | ||
| android:viewportWidth="14.466" android:width="22.767656dp" xmlns:android="http://schemas.android.com/apk/res/android"> | ||
| <path android:fillColor="#FF000000" android:pathData="M2.866,12.004c-0.3,-0.4 -0.6,-1.1 -1.2,-2 -0.3,-0.5 -1.2,-1.5 -1.5,-1.9a1.183,1.183 0,0 1,-0.1 -1,1.41 1.41,0 0,1 1.4,-1.1 2.666,2.666 0,0 1,1.4 0.7c0.2,0.2 0.5,0.6 0.7,0.8s0.2,0.3 0.4,0.5c0.2,0.3 0.3,0.5 0.2,0.1 -0.1,-0.5 -0.2,-1.3 -0.4,-2.1a8.112,8.112 0,0 0,-0.3 -1.1c-0.1,-0.5 -0.2,-0.8 -0.3,-1.3 -0.1,-0.3 -0.2,-1.1 -0.3,-1.5a2.273,2.273 0,0 1,0.3 -1.8,1.227 1.227,0 0,1 1.3,-0.2 2.567,2.567 0,0 1,0.9 1.3,8.3 8.3,0 0,1 0.5,2c0.2,1 0.5,2.5 0.5,2.8a7.519,7.519 0,0 1,0 -1.5,1.12 1.12,0 0,1 0.7,-0.8 2.769,2.769 0,0 1,0.9 -0.1,2.177 2.177,0 0,1 0.8,0.5 4.338,4.338 0,0 1,0.4 1.8,9.005 9.005,0 0,1 0.3,-1.6 1.794,1.794 0,0 1,0.7 -0.5,1.7 1.7,0 0,1 1,0 1.157,1.157 0,0 1,0.7 0.5,8.469 8.469,0 0,1 0.4,1.7 5.946,5.946 0,0 1,0.3 -0.7,1.034 1.034,0 0,1 1.9,0.6v2.3a9.852,9.852 0,0 1,-0.2 1.7,6.068 6.068,0 0,1 -0.7,1.4 6.069,6.069 0,0 0,-1.2 1.8,4.142 4.142,0 0,0 -0.1,1 5.527,5.527 0,0 0,0.1 0.9,4.521 4.521,0 0,1 -1.2,0 25.852,25.852 0,0 0,-2.8 0L5.266,15.204s0.2,-1 -0.2,-1.4l-1.1,-1.1Z"/> | ||
| </vector> |
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