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Android Layout Constraint Google to add layout constraint on the conference Google I / OAndroid ConstraintLayout used to define the...

Android Event Handling (Source Google Images) When considering the events in your user interface, the approach is to capture the...

Android logging (Source Google Images) Android system uses a centralized system for all logs. Application programmers can also write...

The principle of the Android UI (Source Google Images) 1. Make Simple Design.2. Show me just what was needed.3. Only interrupt, if it...

Android Intent (Source Google Images) Intents allow you to interact with components of the same application as well as the components...