Dynamic Text size change according to tablet

Question

With all effort,I finally reached to the end of my first app in android. And thanks to all. But after coming to end, I realized one thing that my app text size is common in

Answer 1

I was Having Same Problem but what i realized sp/db are not efficient for dealing with this kind of problem, I handled my alignment and font size related stuff programtically.

here are the steps, how i handled this problem.

• Calculate Screen Width and Height of Your device
• Use Set TextView.setTextSize(unit, size), where the unit parameter is TypedValue.COMPLEX_UNIT_PX and the size parameter is percent of the total width of your screen. Normally, for me, .5% of total width for font is suitable. You can experiment by trying other total width percentages, such as 0.4% or 0.3%.

This way your font size will be always suitable for each and every text/screen size.

Answer 2

After checking some resources I finally came up with the following solution: Within the layout-xml I define the size of the button-text with a dimension declaration:

android:textSize="@dimen/campaign_textfontsize"

I created a dimens.xml in the "/values"-subdirectory with the corresponding value

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <dimen name="campaign_textfontsize">18dp</dimen>
</resources>

then I created a second values-folder "/values-sw720dp" and copied the old dimens.xml into it. In this dimens.xml I adapted the fontsize value:

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <dimen name="campaign_textfontsize">24dp</dimen>
</resources>

Based on the current screensize android selects the proper dimens-value. So without any code, font is adapted to the display- (and display related button-) size.

Hope this helps...

Answer 3

no need to change textsize dynamically use sp for textsize it will automatically arrange the text size depending on the screen resolutions..like in phone.

android:textSize="10sp"

Answer 4

It's quite an old question, but another modern solution can be really handy.
With the Support library, 26+ new text auto sizing is available.
In simple words, you define TextView size and text size gets automatically increased/decreased to match it's bounds:

<TextView
    android:layout_width="match_parent"
    android:layout_height="200dp"
    app:autoSizeTextType="uniform"
    app:autoSizeMinTextSize="12sp"
    app:autoSizeMaxTextSize="100sp"
    app:autoSizeStepGranularity="2sp" />

More on Autosizing TextViews

Add here the ability to set TextView size in a percentage of the screen with the ConstraintLayout, and you can create layouts which look almost identically on any device.