How to Detect Device Is Android Phone or Android Tablet

Determine if the device is a smartphone or tablet?

This subject is discussed in the Android Training:

Use the Smallest-width Qualifier

If you read the entire topic, they explain how to set a boolean value in a specific value file (as res/values-sw600dp/attrs.xml):

<resources>
    <bool name="isTablet">true</bool>
</resources>

Because the sw600dp qualifier is only valid for platforms above android 3.2. If you want to make sure this technique works on all platforms (before 3.2), create the same file in res/values-xlarge folder:

<resources>
    <bool name="isTablet">true</bool>
</resources>

Then, in the "standard" value file (as res/values/attrs.xml), you set the boolean to false:

<resources>
    <bool name="isTablet">false</bool>
</resources>

Then in you activity, you can get this value and check if you are running in a tablet size device:

boolean tabletSize = getResources().getBoolean(R.bool.isTablet);
if (tabletSize) {
    // do something
} else {
    // do something else
}

How to detect device is Android phone or Android tablet?

You can also try this
Add boolean parameter in resource file.

in res/values/dimen.xml file add this line

<bool name="isTab">false</bool>

while in res/values-sw600dp/dimen.xml file add this line:

<bool name="isTab">true</bool>

then in your java file get this value:

if(getResources().getBoolean(R.bool.isTab)) {
    System.out.println("tablet");
} else {
    System.out.println("mobile");
}

How to find Tablet or Phone in Android , Programmatically?

Try this

    public boolean isTablet(Context context) {
        boolean xlarge = ((context.getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) == 4);
        boolean large = ((context.getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) == Configuration.SCREENLAYOUT_SIZE_LARGE);
        return (xlarge || large);
    }

It will return true if you are using a tablet. It has been checked on Samsung Galaxy Tab 7" and Samsung Galaxy S3.

Detect if device is tablet

If you want to just use vanilla javascript you can use the navigator API

const userAgent = navigator.userAgent.toLowerCase();

const isTablet = /(ipad|tablet|(android(?!.*mobile))|(windows(?!.*phone)(.*touch))|kindle|playbook|silk|(puffin(?!.*(IP|AP|WP))))/.test(userAgent);

console.log(isTablet)

Detecting whether Android device is a phone or a tablet with javascript

You should probably use this sugestion made by google by reading the user agent. If the UA has the word mobile it's a phone, if it doesn't it's a tablet

http://googlewebmastercentral.blogspot.com/2011/03/mo-better-to-also-detect-mobile-user.html

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