Make the touch-keyboard code more robust through verifying that global variables are set before use.
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@ -925,8 +925,15 @@ var UI;
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// This code is required since some browsers on Android are inconsistent in
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// sending keyCodes in the normal keyboard events when using on screen keyboards.
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keyInput: function(event) {
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if (!UI.rfb) { return; }
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var newValue = event.target.value;
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var oldValue = UI.lastKeyboardinput;
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if (!UI.lastKeyboardinput) {
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UI.keyboardinputReset();
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}
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var oldvalue = UI.lastKeyboardinput;
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var newLen;
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try {
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