applying resolution for different devices

Question

I have been trying to Set screen resolution for an Array of devices,I have looked all the answers up and from what I understood if I create an res/layout-normal,res/layout-larg

Answer 1

Its just a example:

Device resolution-

res/values/dimens.xml(default)

res/values-ldpi/dimens.xml (240*320 and nearer resolution)

res/values-mdpi/dimens.xml (320*480 and nearer resolution)

res/values-hdpi/dimens.xml (480*800 and nearer resolution)

res/values-xhdpi/dimens.xml (720*1280 Samsung s3,Micromax HD canvas etc)

res/values-xxhdpi/dimens.xml (1080*1920 samsung s4,HTC one etc)

Tablet resolution-

res/values-sw600dp/dimens.xml (600*1024)

res/values-sw720dp-land/dimens.xml (800*1280)

<TextView
    android:id="@+id/textView1"
    style="@android:style/TextAppearance.Small"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Sample Text - Small" />
<TextView
    android:id="@+id/textView2"
    style="@android:style/TextAppearance.Medium"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Sample Text  - Medium" />
<TextView
    android:id="@+id/textView3"
    style="@android:style/TextAppearance.Large"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Sample Text  - Large" />