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I am beginner in android application development.
If i am using n number of layouts in my project and i need to change layouts with the user interaction.
Should i use different activities for different layouts or can i use setContentView to switch layouts.
Which one will be effecient?
You should be using Fragment instead of new activities.
Compatibility Library can be used for adding fragments to Android Version 4 and above.
Each Layout can be a separate Fragment and is loaded into FragmentContainer ( a ViewGroup defined in main layout file) based in user actions