Change color runtime example

warting · Jan 5, 2022 · 155030c · 155030c
1 parent b214072
commit 155030c
Showing 1 changed file with 15 additions and 1 deletion.
diff --git a/app/src/main/java/se/warting/signaturepad/ComposeActivity.kt b/app/src/main/java/se/warting/signaturepad/ComposeActivity.kt
@@ -24,6 +24,7 @@ import androidx.compose.ui.unit.dp
 
 private const val SIGNATURE_PAD_HEIGHT = 120
 
+@Suppress("LongMethod")
 class ComposeActivity : ComponentActivity() {
  override fun onCreate(savedInstanceState: Bundle?) {
  super.onCreate(savedInstanceState)
@@ -36,6 +37,7 @@ class ComposeActivity : ComponentActivity() {
  Column {
 
  var signaturePadAdapter: SignaturePadAdapter? = null
+ val penColor = remember { mutableStateOf(Color.Black) }
 
  Box(
  modifier = Modifier
@@ -46,11 +48,11 @@ class ComposeActivity : ComponentActivity() {
  color = Color.Red,
  )
  ) {
-
  SignaturePadView(
  onReady = {
  signaturePadAdapter = it
  },
+ penColor = penColor.value,
  onSigned = {
  if (BuildConfig.DEBUG) {
  Log.d("ComposeActivity", "onSigned")
@@ -83,6 +85,18 @@ class ComposeActivity : ComponentActivity() {
  }) {
  Text("Clear")
  }
+
+ Button(onClick = {
+ penColor.value = Color.Red
+ }) {
+ Text("Red")
+ }
+
+ Button(onClick = {
+ penColor.value = Color.Black
+ }) {
+ Text("Black")
+ }
  }
 
  Text(text = "SVG: " + mutableSvg.value)