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Learn About Handling Android32 Permissions In C++

Mobile android applications developed in C++ Builder requires permissions to use some part of mobile devices (sensors, camera etc..). These should be allowed by the user. an these permissions can be checked over the project options from Project > Options > Application > Uses Permissions section. Some of these permissions were listed in this document http://docwiki.embarcadero.com/RADStudio/Rio/en/Uses_Permissions. All Android permission can be found listed officially on Manifest Permission List
Some Basic Android Permissions are Set for All FireMonkey Android Apps

These checks are not enough, You also need to request permission on runtime. Because these permissions should be allowed manually by user and these might be not allowed. For example if you are starting to use camera in your application you must do this request check. To do this u need to Request all permissions you need by using TAndroidHelper::Activity->requestPermissions( ) like this;

and you must check permissions if it is granted or not by using checkSelfPermission() like this:

We should show permissions so user can grants manually;

Android official page has a good article about Request app permissions permissions in Kotlin & Java. C++ Builder uses Helpers to request these permissions as below;

Here is a sample for an Android Application to check permissions

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About author

Dr. Yilmaz Yoru has 33+ years of coding with more than 30+ programming languages, mostly C++ on Windows, Android, Mac-OS, iOS, Linux, and some other operating systems. He was born in 1974, Eskisehir-Turkey, started coding in college and graduated from the department of Mechanical Engineering of Eskisehir Osmangazi University in 1997. He worked as a research assistant at the same university for more than 10 years. He received his MSc and PhD degrees from the same department at the same university. Since 2012, he is the founder and CEO of Esenja LLC Company. He has married and he is a father of a son. Some of his interests are Programming, Thermodynamics, Fluid Mechanics, Artificial Intelligence, 2D & 3D Designs, and high-end innovations.
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