Add buttons to launch Quick Share settings/receiving UI

sharing/android/example/app/src/main/java/com/google/nearby/sharedemo/MainActivity.kt

@@ -56,10 +56,22 @@ class MainActivity : ComponentActivity() {
             onShareTargetClicked = { data, intent ->
               viewModel.onShareTargetClicked(data, this@MainActivity, intent)
             })
+
+          Button(onClick = { startActivity(Intent(QUICK_SHARE_SETTINGS_INTENT)) }) {
+            Text("Launch settings")
+          }
+          Button(onClick = { startActivity(Intent(QUICK_SHARE_RECEIVE_INTENT).setType("*/*")) }) {
+            Text("Launch receiving UI")
+          }
         }
       }
     }
   }
+
+  companion object {
+    private const val QUICK_SHARE_SETTINGS_INTENT = "com.google.android.gms.settings.SHARING"
+    private const val QUICK_SHARE_RECEIVE_INTENT = "com.google.android.gms.RECEIVE_NEARBY"
+  }
 }
 
 @Composable