Font size of TextView in Android application changes on changing font size from native settings

Question

I want to specify my own text size in my application, but I am having a problem doing this.

When I change the font size in the device settings, the font size of my

Answer 1

Use the dimension type of resources like you use string resources (DOCS).

In your dimens.xml file, declare your dimension variables:

  25dp
  150dp
  30dp
  16sp

Then you can use these values like this:

You can declare different dimens.xml files for different types of screens. Doing this will guarantee the desired look of your app on different devices.

When you don't specify android:textSize the system uses the default values.