Text objects and memory

Use the Adobe® Flash® Text Engine for read-only text; use TextField objects for input text.

Flash Player 10 and AIR 1.5 introduced a powerful new text engine, the Adobe Flash Text Engine (FTE), that conserves system memory. However, the FTE is a low-level API that requires an additional ActionScript 3.0 layer on top of it, provided in the flash.text.engine package.

For read-only text, it’s best to use the Flash Text Engine, which offers low memory usage and better rendering. For input text, TextField objects are a better choice, because less ActionScript code is required to create typical behaviors, such as input handling and word-wrap.

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