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Simple and light library to do validate observable fields with MVVM for android

Each ValidatedObservableField work like ObservableField, but it have 3 observables properties:

• value - contains the value of type T
• valid - boolean true if ALL Rules are valid
• errorMessage - contains NULL or errorMessage from first invalid Rule

Rules are validated one by one (the order is important), the first invalid Rule will break the chain and set errorMessage. Rules are validated onPropertyChange. You can create your own rules using Rule interface. You can use single Rule or many by RuleCommand.

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Simple Camera is a library that allows you to use cameras in a simplified, easy, fast and effective way. It contains CameraX as an internal library. It simplifies the camera features used by CameraX and provides ease of use with a single library. As updates come on the CameraX side, the library will try to stay up to date. Missing features will be added soon. Like video capturing.