| ### Text Field Classes: The Inputs |
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| #### Text Field |
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| This is a single-line text input. It's subclassed from `UITextField` and supports all the features you'd expect from a `UITextField`: |
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| - Placeholder |
| - Overlay views (left and right / leading and trailing) |
| - Custom fonts, colors |
| - Clear button |
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| as well as new features: |
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| - Underline |
| - Labels below the input |
| - Custom layouts |
| - Persistable placeholder |
| - Border view |
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| #### Multi-line Text Field |
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| This is a multi-line text input. It's subclassed from `UIView` with an embedded `UITextView`. It supports all the features of the single-line text field and `UITextView` plus: |
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| * Minimum number of lines |
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| ### Text Field Classes: The Controllers |
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| #### Default Text Input Controller |
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| This class holds all the 'magic' logic necessary to make the naturally 'dumb' text field and text view behave with: |
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| - Animations |
| - Styles |
| - Errors |
| - Character counts |
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| - - - |
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| #### Full Width Text Input Controller |
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| Similar to the default text input controller but optimized for full width forms like emails. |
