update ScreenColorDetector and demo

Author: SmartToolFactory

app/src/main/java/com/smarttoolfactory/composecolorpicker/demo/ColorDetectionFromScreenDemo.kt

@@ -22,11 +22,10 @@ import com.smarttoolfactory.composecolorpicker.R
 
 @Composable
 fun ColorDetectionFromScreenDemo() {
-    // These are for debugging
-    var text by remember { mutableStateOf("") }
-    var colorAtTouchPosition by remember { mutableStateOf(Color.Unspecified) }
 
+    var colorAtTouchPosition by remember { mutableStateOf(Color.Unspecified) }
 
+    var enableColorDetection by remember {mutableStateOf(true)}
     Column(
         modifier = Modifier
             .fillMaxSize()
@@ -48,6 +47,7 @@ fun ColorDetectionFromScreenDemo() {
         )
 
         ScreenColorDetector(
+            enabled = enableColorDetection,
             modifier = Modifier.border(2.dp, Color.Cyan).padding(25.dp),
             content = {
                 Column(
@@ -57,7 +57,7 @@ fun ColorDetectionFromScreenDemo() {
                     Image(
                         bitmap = ImageBitmap.imageResource(
                             LocalContext.current.resources,
-                            R.drawable.landscape10
+                            R.drawable.landscape
                         ),
                         contentDescription = null,
                         modifier = Modifier
@@ -68,8 +68,8 @@ fun ColorDetectionFromScreenDemo() {
                         contentScale = ContentScale.Crop
                     )
 
-                    Button(onClick = { /*TODO*/ }) {
-                        Text("Sample Button")
+                    Button(onClick = { enableColorDetection=!enableColorDetection }) {
+                        Text(text =if (enableColorDetection) "Disable" else "Enable")
                     }
                 }
             }

build.gradle

@@ -1,12 +1,12 @@
 buildscript {
     ext {
-        compose_version = '1.2.0-alpha08'
+        compose_version = '1.2.0-alpha07'
     }
 }// Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
     id 'com.android.application' version '7.1.3' apply false
     id 'com.android.library' version '7.1.3' apply false
-    id 'org.jetbrains.kotlin.android' version '1.6.20' apply false
+    id 'org.jetbrains.kotlin.android' version '1.6.10' apply false
 }
 
 task clean(type: Delete) {

colorpicker/src/main/java/com/smarttoolfactory/colorpicker/widget/ScreenColorDetector.kt

@@ -11,6 +11,8 @@ import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.ImageBitmap
 import androidx.compose.ui.graphics.drawscope.Stroke
+import androidx.compose.ui.input.pointer.consumeDownChange
+import androidx.compose.ui.input.pointer.consumePositionChange
 import androidx.compose.ui.layout.onSizeChanged
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.unit.*
@@ -81,6 +83,7 @@ fun ScreenColorDetector(
                             bitmap = bitmap
                         )
                         onColorChange(color)
+                        pointerInputChange.consumeDownChange()
                     }
                 },
                 onMove = { pointerInputChange ->
@@ -108,6 +111,7 @@ fun ScreenColorDetector(
                         )
 
                         onColorChange(color)
+                        pointerInputChange.consumePositionChange()
                     }
                 }
             )
@@ -122,7 +126,7 @@ fun ScreenColorDetector(
             }
 
         ScreenColorDetectorImpl(
-            modifier = colorDetectionModifier,
+            modifier = if(enabled) colorDetectionModifier else Modifier,
             offset = offset,
             enabled = enabled,
             color = color,