How could I improve my android app? Lot of lag drawing to an imageview

How could I improve my android app? Lot of lag drawing to an imageview

References

Reference NO 1

http://stackoverflow.com/questions/13584336/how-could-i-improve-my-android-app-lot-of-lag-drawing-to-an-imageview

Reference NO 2

http://stackoverflow.com/questions/17606140/how-to-get-when-an-imageview-is-completely-loaded-in-android

Reference NO 3

http://stackoverflow.com/questions/13679189/how-to-add-a-marker-pin-on-an-imageview-android

Reference NO 4

http://stackoverflow.com/questions/9455819/android-widget-getting-imageview-size-for-bitmap-creation

Reference NO 5

http://www.curious-creature.org/2012/12/01/android-performance-case-study/

Reference NO 6

https://play.google.com/store/apps/details?id=org.nattou.www.layerpaint&hl=en

Reference NO 7

#EANF#

Reference NO 8

#EANF#