fix set text'

Author: chunhtai

shell/platform/android/io/flutter/view/AccessibilityBridge.java

@@ -635,8 +635,7 @@ public AccessibilityNodeInfo createAccessibilityNodeInfo(int virtualViewId) {
     }
 
     // These are non-ops on older devices. Attempting to interact with the text will cause Talkback
-    // to read the
-    // contents of the text box instead.
+    // to read the contents of the text box instead.
     if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR2) {
       if (semanticsNode.hasAction(Action.SET_SELECTION)) {
         result.addAction(AccessibilityNodeInfo.ACTION_SET_SELECTION);
@@ -652,6 +651,14 @@ public AccessibilityNodeInfo createAccessibilityNodeInfo(int virtualViewId) {
       }
     }
 
+    // Set text APIs aren't available until API 21.
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+      if (semanticsNode.hasAction(Action.SET_TEXT)) {
+        Log.e(TAG, "add action yo");
+        result.addAction(AccessibilityNodeInfo.ACTION_SET_TEXT);
+      }
+    }
+
     if (semanticsNode.hasFlag(Flag.IS_BUTTON) || semanticsNode.hasFlag(Flag.IS_LINK)) {
       result.setClassName("android.widget.Button");
     }