feat(android): new event for empty TextFields (#13975)

* feat(android): new event for empty TextFields * docs and length check * rename and check for listener
tidev · Jun 15, 2024 · 29964cf · 29964cf
1 parent afb253e
commit 29964cf
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diff --git a/android/modules/ui/src/java/ti/modules/titanium/ui/widget/TiUIText.java b/android/modules/ui/src/java/ti/modules/titanium/ui/widget/TiUIText.java
@@ -135,6 +135,22 @@ public void onLayoutChange(
 		this.tv.setOnEditorActionListener(this);
 		this.tv.setOnFocusChangeListener(this);
 		this.tv.setIncludeFontPadding(true);
+		if (proxy.hasListeners("empty")) {
+			this.tv.setOnKeyListener(new View.OnKeyListener()
+			{
+				@Override
+				public boolean onKey(View v, int keyCode, KeyEvent event)
+				{
+					if (tv.getText().length() == 0) {
+						KrollDict data = new KrollDict();
+						data.put("keyCode", keyCode);
+						fireEvent("empty", data);
+					}
+					return false;
+				}
+			});
+		}
+
 		if (field) {
 			this.tv.setGravity(Gravity.CENTER_VERTICAL | Gravity.START);
 		} else {

diff --git a/apidoc/Titanium/UI/TextField.yml b/apidoc/Titanium/UI/TextField.yml
@@ -610,6 +610,15 @@ events:
         summary: New value of the field.
         type: String
 
+  - name: empty
+    summary: Fired when the field is empty and you press backspace key again.
+    since: {android: "12.4.0"}
+    platforms: [android]
+    properties:
+      - name: keyCode
+        summary: Key code of the key.
+        type: Number
+
   - name: focus
     summary: Fired when the field gains focus.
     properties: