use android proxy instead of sendmessage

Author: nostek

Example/Assets/Plugins/NativeEditBox/Android/NativeEditBox.java

@@ -25,12 +25,6 @@
 
 @SuppressWarnings("unused")
 public class NativeEditBox {
-    private final String METHOD_TEXT_CHANGED = "Android_TextChanged";
-    private final String METHOD_TAP_OUTSIDE = "Android_TapOutside";
-    private final String METHOD_DID_END = "Android_DidEnd";
-    private final String METHOD_SUBMIT_PRESSED = "Android_SubmitPressed";
-    private final String METHOD_GOT_FOCUS = "Android_GotFocus";
-
     private final String GLOBAL_LISTENER_NAME = "NativeEditBoxGlobalListener_1000";
     private final String GLOBAL_METHOD_KEYBOARD_CHANGE = "FromNative_KeyboardChange";
 
@@ -80,17 +74,22 @@ private enum TouchScreenKeyboardType
     private static ViewTreeObserver.OnGlobalLayoutListener sGlobalListener = null;
     private static FrameLayout sLayout = null;
 
-    private String mGameObjectName;
+    private NativeEditBoxInstanceProxy instanceProxy = null;
+
     private EditText mEditBox = null;
 
     private boolean currentMultiline = false;
     private InputType currentInputType = InputType.Standard;
     private TouchScreenKeyboardType currentKeyboardType = TouchScreenKeyboardType.Default;
 
+    public NativeEditBox(NativeEditBoxInstanceProxy callback)
+    {
+        instanceProxy = callback;
+    }
+
     @SuppressWarnings("unused")
-    public void Init(final String gameObjectName, final boolean multiline)
+    public void Init(final boolean multiline)
     {
-        this.mGameObjectName = gameObjectName;
         this.currentMultiline = multiline;
 
         final Activity activity = UnityPlayer.currentActivity;
@@ -149,13 +148,13 @@ public void onFocusChange(View v, boolean hasFocus) {
 
                             eb.showKeyboard(false);
 
-                            eb.sendToUnity(METHOD_DID_END, txt);
-                            eb.sendToUnity(METHOD_TAP_OUTSIDE, "");
+                            instanceProxy.OnJavaDidEnd(txt);
+                            instanceProxy.OnJavaTapOutside();
                         }else
                         {
                             sLayout.setClickable(true);
 
-                            eb.sendToUnity(METHOD_GOT_FOCUS, "");
+                            instanceProxy.OnJavaGotFocus();
                         }
                     }
                 });
@@ -173,7 +172,7 @@ public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
 
                     @Override
                     public void afterTextChanged(Editable editable) {
-                        sendToUnity(METHOD_TEXT_CHANGED, editable.toString());
+                        instanceProxy.OnJavaTextChanged(editable.toString());
                     }
                 });
 
@@ -182,7 +181,7 @@ public void afterTextChanged(Editable editable) {
                     public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                         if(actionId >= EditorInfo.IME_ACTION_NONE && actionId <= EditorInfo.IME_ACTION_PREVIOUS)
                         {
-                            sendToUnity(METHOD_SUBMIT_PRESSED, v.getText().toString());
+                            instanceProxy.OnJavaSubmitPressed(v.getText().toString());
                             return true;
                         }
                         return false;
@@ -222,8 +221,6 @@ public void onGlobalLayout() {
     @SuppressWarnings("unused")
     public void Destroy()
     {
-        mGameObjectName = null;
-
         final Activity activity = UnityPlayer.currentActivity;
         activity.runOnUiThread(new Runnable() {
             @Override
@@ -623,14 +620,6 @@ private void updateInputValues()
         mEditBox.setInputType(editInputType);
     }
 
-    private void sendToUnity(String method, String param)
-    {
-        if(mGameObjectName == null)
-            return;
-
-        UnityPlayer.UnitySendMessage(mGameObjectName, method, param);
-    }
-
     private String getText()
     {
         if(mEditBox == null)

Example/Assets/Plugins/NativeEditBox/Android/NativeEditBoxInstanceProxy.java

@@ -0,0 +1,11 @@
+package com.unityextensions.nativeeditbox;
+
+public interface NativeEditBoxInstanceProxy
+{
+     void OnJavaTextChanged(String text);
+     void OnJavaDidEnd(String text);
+     void OnJavaSubmitPressed(String text);
+
+     void OnJavaGotFocus();
+     void OnJavaTapOutside();
+}

Example/Assets/Plugins/NativeEditBox/Android/NativeEditBoxInstanceProxy.java.meta

@@ -8,10 +8,64 @@
 
 public partial class NativeEditBox : IPointerClickHandler
 {
+	class InstanceProxy : AndroidJavaProxy
+	{
+		NativeEditBox owner = null;
+
+		public InstanceProxy(NativeEditBox owner) : base("com.unityextensions.nativeeditbox.NativeEditBoxInstanceProxy")
+		{
+			this.owner = owner;
+		}
+
+		void OnJavaTextChanged(string text)
+		{
+			owner.inputField.text = text;
+
+			owner.OnTextChanged?.Invoke(text);
+		}
+
+		void OnJavaDidEnd(string text)
+		{
+			owner.inputField.text = text;
+
+			if (owner.switchBetweenNativeAndUnity)
+				owner.DestroyNow();
+
+			owner.OnDidEnd?.Invoke();
+		}
+
+		void OnJavaSubmitPressed(string text)
+		{
+			owner.inputField.text = text;
+
+			owner.OnSubmit?.Invoke(text);
+
+			Debug.Log("submit pressed " + text);
+		}
+
+		void OnJavaGotFocus()
+		{
+			owner.OnGotFocus?.Invoke();
+
+			if (owner.inputField.onFocusSelectAll)
+				owner.StartCoroutine(owner.CoSelectAll());
+		}
+
+		void OnJavaTapOutside()
+		{
+			if (owner.switchBetweenNativeAndUnity)
+				owner.DestroyNow();
+
+			owner.OnTapOutside?.Invoke();
+		}
+	}
+
 	const string GlobalListenerName = "NativeEditBoxGlobalListener_1000";
 
 	static GameObject globalListener = null;
 
+	InstanceProxy instanceProxy = null;
+
 	AndroidJavaObject editBox = default;
 
 	#region Public Methods
@@ -129,6 +183,8 @@ void DestroyNow()
 		if (editBox == null)
 			return;
 
+		instanceProxy = null;
+
 		editBox.Call("Destroy");
 		editBox = null;
 
@@ -177,8 +233,10 @@ void SetupInputField()
 			_ => TextAnchor.TextAnchorUpperLeft
 		};
 
-		editBox = new AndroidJavaObject("com.unityextensions.nativeeditbox.NativeEditBox");
-		editBox.Call("Init", name, inputField.lineType != TMP_InputField.LineType.SingleLine);
+		instanceProxy = new InstanceProxy(this);
+
+		editBox = new AndroidJavaObject("com.unityextensions.nativeeditbox.NativeEditBox", instanceProxy);
+		editBox.Call("Init", inputField.lineType != TMP_InputField.LineType.SingleLine);
 
 		UpdatePlacementNow();
 
@@ -193,14 +251,6 @@ void SetupInputField()
 		editBox.Call("SetText", inputField.text);
 	}
 
-	void Android_GotFocus(string nothing)
-	{
-		OnGotFocus?.Invoke();
-
-		if (inputField.onFocusSelectAll)
-			StartCoroutine(CoSelectAll());
-	}
-
 	IEnumerator CoSelectAll()
 	{
 		//Looks bad, but works 98% of the times..... Sad.
@@ -214,38 +264,6 @@ IEnumerator CoSelectAll()
 		SelectRange(0, inputField.text.Length);
 	}
 
-	void Android_TextChanged(string text)
-	{
-		inputField.text = text;
-
-		OnTextChanged?.Invoke(text);
-	}
-
-	void Android_TapOutside(string nothing)
-	{
-		if (switchBetweenNativeAndUnity)
-			DestroyNow();
-
-		OnTapOutside?.Invoke();
-	}
-
-	void Android_DidEnd(string text)
-	{
-		inputField.text = text;
-
-		if (switchBetweenNativeAndUnity)
-			DestroyNow();
-
-		OnDidEnd?.Invoke();
-	}
-
-	void Android_SubmitPressed(string text)
-	{
-		inputField.text = text;
-
-		OnSubmit?.Invoke(text);
-	}
-
 	#region Public Methods
 
 	public static Rect KeyboardArea => NativeEditBoxGlobalListener.KeyboardArea;

Example/Assets/Plugins/NativeEditBox/NativeEditBox.android.cs

@@ -2,6 +2,7 @@
   "dependencies": {
     "com.unity.collab-proxy": "2.3.1",
     "com.unity.feature.development": "1.0.1",
+    "com.unity.mobile.android-logcat": "1.4.1",
     "com.unity.textmeshpro": "3.0.8",
     "com.unity.timeline": "1.7.6",
     "com.unity.ugui": "1.0.0",

Example/Packages/manifest.json

@@ -60,6 +60,13 @@
       "dependencies": {},
       "url": "https://packages.unity.com"
     },
+    "com.unity.mobile.android-logcat": {
+      "version": "1.4.1",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://packages.unity.com"
+    },
     "com.unity.performance.profile-analyzer": {
       "version": "1.2.2",
       "depth": 1,