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so I was developing an app with Android Studio and I added a 'textview' box in the screen. However, when I tested the app on my device, the text was too small to read. So I tried searching on the web about how to change the text size, but I could only find videos and posts about how to change the font of the android studio product itself. Please tell me how to change the text size in the textview box. I would appreciate any help.
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To define a range of text sizes and a dimension in XML, use the android namespace and set the following attributes: Set the autoSizeText attribute to either none or uniform. none is a default value and uniform lets TextView scale uniformly on horizontal and vertical axes.
Properties of TextView in Android. android:id-ID is an attribute used to define a TextView uniquely. android: layout_height- Height is the attribute which is used to set the height of the TextView.
ems is a unit of measurement. The name em was originally a reference to the width of the capital M. It sets the width of a TextView/EditText to fit a text of n 'M' letters regardless of the actual text extension and text size. Eg : android:ems Makes the EditText be exactly this many ems wide.
To set Android Button font/text size, we can set android:textSize attribute for Button in layout XML file. To programmatically set or change Android Button font/text size, we can pass specified size to the method Button. setTextSize(specific_size).
You can add the following property in the text view's xml and start increasing the number till you reach the font-size you want
android:textSize="20sp"
The sp here inherits the font size the user sets in his/her android device so the same font size may vary on two identical devices
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