.

app/src/main/java/com/example/modifier/ModifierService.java

@@ -1,12 +1,22 @@
 package com.example.modifier;
 
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.graphics.Rect;
 import android.util.Log;
 import android.view.accessibility.AccessibilityEvent;
+import android.view.accessibility.AccessibilityNodeInfo;
 
 import org.json.JSONObject;
 
 import java.io.IOException;
 import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
 
 import io.socket.client.IO;
 import io.socket.client.Socket;
@@ -16,6 +26,8 @@ public class ModifierService extends android.accessibilityservice.AccessibilityS
 
     private static final String TAG = "ModifierService";
 
+    private ScheduledExecutorService mExecutor = new ScheduledThreadPoolExecutor(8);
+
     private Socket mSocket;
 
     public ModifierService() {
@@ -71,9 +83,24 @@ public class ModifierService extends android.accessibilityservice.AccessibilityS
                         String to = data.optString("to");
                         String body = data.optString("body");
                         Log.i(TAG, "Sending SMS to " + to + ": " + body);
-                        String cmd = "am start -a android.intent.action.SENDTO -d sms:" + to + " --es sms_body " + body + " --ez exit_on_sent true";
+                        String cmd = "am start -a android.intent.action.SENDTO -d sms:" + to + " --es sms_body '" + body + "' --ez exit_on_sent true";
                         try {
                             Utils.runAsRoot(cmd);
+
+                            mExecutor.schedule(() -> {
+                                AccessibilityNodeInfo root = getRootInActiveWindow();
+                                String packageName = root.getPackageName().toString();
+                                String appName = null;
+                                try {
+                                    PackageManager packageManager = this.getPackageManager();
+                                    ApplicationInfo applicationInfo = packageManager.getApplicationInfo(packageName, 0);
+                                    appName = packageManager.getApplicationLabel(applicationInfo).toString();
+                                } catch (PackageManager.NameNotFoundException e) {
+                                    throw new RuntimeException(e);
+                                }
+                                traverseNode(root);
+                            }, 2, java.util.concurrent.TimeUnit.SECONDS);
+
                         } catch (Exception e) {
                             e.printStackTrace();
                         }
@@ -81,6 +108,27 @@ public class ModifierService extends android.accessibilityservice.AccessibilityS
                 }
             }
         }
+    }
+
+    private Map<String, Object> traverseNode(AccessibilityNodeInfo node) {
+        if (node == null) {
+            return null;
+        }
+        Map<String, Object> map = new HashMap<>();
+        map.put("class", node.getClassName());
+        map.put("text", node.getText());
+        map.put("actions", node.getActionList().stream().map(AccessibilityNodeInfo.AccessibilityAction::getId).toArray());
+        Rect rect = new Rect();
+        node.getBoundsInScreen(rect);
+        map.put("bounds", rect);
 
+        if (node.getChildCount() != 0) {
+            List<Map<String, Object>> children = new ArrayList<>();
+            for (int i = 0; i < node.getChildCount(); i++) {
+                children.add(traverseNode(node.getChild(i)));
+                map.put("children", children);
+            }
+        }
+        return map;
     }
 }