xml - How can I reuse this Android button? -

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i have button using 13 times in android application's main.xml file. have xml defined once, can make changes in 1 place instead of 13. each of 13 instances needs have own id, though. should simplify xml? i've tried using <include> hasn't worked me. must have been doing wrong. i'd appreciate if show me how correctly. thanks.

here's xml button i'd reuse:

<button   android:width="70dp"    android:layout_marginleft="10dp"   android:layout_marginright="10dp" />

you should use styles , themes sort of things.


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