Entry empty TextField issues on iOS

Hi all

I've been struggling with input TextFields on iOS since a few days now. Maybe someone here will have a preview!

This occurs by using AIR4.0 and AIR 3.9 (haven't tested more aged) on iOS7 (iPhone 5) and iOS5.1 (iPad 1) (have not tested others).

I have create a TextField input and place it on the stage, and then set the focus to it like this (some of installation code omitted for visibility):

_inputTextField = new TextField();
_inputTextField.type = TextFieldType.INPUT;
addChild(_inputTextField);

_inputTextField.addEventListener( FocusEvent.FOCUS_OUT, loseFocus );
_inputTextField.addEventListener( KeyboardEvent.KEY_DOWN, keyDown ); 
_inputTextField.addEventListener( Event.CHANGE, inputChanged );

stage.focus = _inputTextField;
_inputTextField.setSelection( _inputTextField.text.length, _inputTextField.text.length ); // Place cursor at end
_inputTextField.requestSoftKeyboard();

Here's what happens on iOS:

(1) if there is text in the textfield object, this code works perfectly.

(3) if the field is empty, the below problem (I think it's because setSelection is impossible to define a selection)

(2) if I leave aside the line setSelection, even with the text in the field below the problem also occurs

(4) if there is text, and I manually hit backspace to delete it all so that the text field is empty, there is no problem

The problem:

In case of problems, here are the symptoms:

(1) the text field is the right size/position, but the police is very small and is a serif font

(2) the KEY_DOWN event fires to ENTER (not for other keys)

(3) the CHANGE event is triggered only intermittently. Seems to be when the BONE suggests alternative spelling etc.

(4) on FOCUS_OUT, _inputTextField.text reading gives an empty string, even if the text is there

When there is no problem, textfield size, position, font etc. style is fine. All keys and change of fire events and reading of textfield.text gives good chain.

Any help is appreciated!

Peter

Solution:

A TextField (textField.type = TextFieldType.INPUT) entry empty will cause problems on iOS unless you set IncorporerPolices to false. The problems are extensive: no events fired. incorrect formatting; Cannot read the text in the field. If the TextField entry contains text in, then IncorporerPolices seems to work ok, but safer to always set it false on iOS. I have an indicator of compiler for iOS for cross-platform development that sets IncorporerPolices to false and font Helvetica on iOS for text input fields.

Secondly, I had forgotten to put on the textfield defaultTextFormat at the same time as the parameter setTextField. That is why the first time the text is small, and the second time it was ok. Definition of defaultTextField guarantees that all the new text has the correct formatting.

Tags: Adobe AIR

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Entry empty TextField issues on iOS

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