Check whether the application is installed on the Android system or not

Among these settings, we can mention whether the application designed on the operating system is installed or not. For example, using user interfaces, users can easily use them to be informed whether the application is installed on the system or not. In this part of the tutorial, we want to tell users about whether or not the application is installed on the system. Also, if the application is not installed on the system, go to the application's virtual stores at high speed to purchase and install the requested version of the application. In this case, it will first check whether the application has been installed on the system or not, and if the application is not installed, refer to virtual stores such as Google Play or stores to purchase and install.

Here are some things you will learn in this part of the tutorial:

- When and in what cases do we need to know if an application is installed on the system?

- Create a project to ensure and check whether the application is installed on the system

- How to direct and transfer users to the page and window of virtual stores to purchase and install applications

- When and in what cases do we need to know if an application is installed on the system?

Read more on: https://www.dotnek.com/Blog/Apps/check-whether-the-application-is-installed-or

Link: https://dotnek.rozblog.com

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How can we change the font in Android systems and how to solve of problems?

And use some features of Android systems so that we can finally change the fonts used in Android systems and applications (change font in android app ). Different types of fonts can be used in Android systems. In this tutorial, we will learn how to change fonts and apply related settings. If you want to know how to change fonts in Android systems and applications, it is recommended that you follow this article.

Here is what you will learn in this tutorial:

- How to change fonts in Android apps - How to change Widget fonts in XML

- How to set fonts using Typeface

- Use the Calligraphy library to change all fonts in the program

- Review and answer common problems and questions in Android programming with their solutions

How to change Widget fonts in XML?

In order to be able to change the fonts and use different types of fonts available in Android systems, we must do the following.

change font in android studio project

1- Open a new project in Android Studio and select the desired name for it. The custom name selected in this tutorial is CustomFont. (change font in android studio)

2- The type of activity that we must choose in this part of the training for this project is Empty Activity.

3- It should be noted that font change settings can be applied without using Java language and methods, which is why there is no emphasis on choosing Java language in this part of training and project creation.

Read more on: https://www.dotnek.com/Blog/Apps/how-can-we-change-the-font-in-android-systems

Link: https://dotnek.rozblog.com

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