I am working on a small app, with 3 buttons on left corner(Vertically) and a edit box which covers rest of the screen.
I want to run this app to be able to work on all screen resolutions.
So I have used Relative layout, linear layout and Android:weight for buttons, which equally share the size of the buttons and works fine.
My Question is am I doing it wrong?
Should we design different layouts for different screens or using same layout out but adding properties like weight and padding is fine??
Pointing to your question :
is the right thing you are doing for your app.
Alternative:
But if you want a more responsive design then you could follow responsive design techniques by using html5 & css3 media queries etc. . And, could opt for a fluid layout also. By doing this the advantages you will have are:
More info: MUST READ IF YOU WANT CLEAR UNDERSTANDING OF HOW TO DESIGN FOR ANDROID
http://developer.android.com/design/style/devices-displays.html
http://developer.android.com/design/style/metrics-grids.html#48dp-rhythm