ECDrawerLayoutDrawerLayout acts as a top-level container for window content that allows for interactive "drawer" views to be pulled out from the edge of the window.License: MITObjective CECExtensionECExtension扩展Cocoa一些类License: MITObjective CECParticleBackgroundViewParticles travel in the universe, connect each other into a net.License: MITObjective CECUIControlsECUIControls provides a group of custom control.License: MITObjective CTextSwitchSimple iOS switch button with text. Enjoy it.License: MITObjective C