, , - , , , . .
, res,
layout-hdpi
layout-mdpi
layout-xhdpi
layout-xxhdpi
layout-w320dp-h408dp
layout-w480dp-h800dp
layout-w480dp-h854dp
layout-w720dp-h1280dp
layout-w1080dp-h1920dp
, -w1440dp-h2560dp
"dip", , ,
<ImageView
android:id="@+id/avtar_animation_11"
android:layout_width="45dip"
android:layout_height="45dip"
android:src="@drawable/avtar011"/>
, "dp" , Android , . , res Android, .

values-hdpi, values-mdpi, values-ldpi, values-xhdpi, values-xxhdpi
dimens.xml
<dimen name="image_view_width">28dp</dimen>
<dimen name="image_view_height">28dp</dimen>
, "dp" dip android, , . image_view_width image_view_height , dimens.xml. , dp , , .
<ImageView
android:id="@+id/avtar_animation_11"
android:layout_width="@dimen/image_view_width"
android:layout_height="@dimen/image_view_height"
android:src="@drawable/avtar011"/>
, android dimens.xml, , , Voila rock