add example of rememberLauncherForActivityResult

100.md

@@ -40,6 +40,24 @@ fun isExternalSignerInstalled(context: Context): Boolean {
 
 To get the result back from the Signer Application you should use `registerForActivityResult` or `rememberLauncherForActivityResult` in Kotlin. If you are using another framework check the documentation of your framework or a third party library to get the result.
 
+```kotlin
+val launcher = rememberLauncherForActivityResult(
+    contract = ActivityResultContracts.StartActivityForResult(),
+    onResult = { result ->
+        if (result.resultCode != Activity.RESULT_OK) {
+            Toast.makeText(
+                context,
+                "Sign request rejected",
+                Toast.LENGTH_SHORT
+            ).show()
+        } else {
+            val signature = activityResult.data?.getStringExtra("signature")
+            // Do something with signature ...
+        }
+    }
+)
+```
+
 Create the Intent using the **nostrsigner** scheme:
 
 ```kotlin
@@ -52,6 +70,12 @@ Set the Signer package name:
 intent.`package` = "com.example.signer"
 ```
 
+Send the Intent:
+
+```kotlin
+launcher.launch(intent)
+```
+
 ### Methods
 
 - **get_public_key**