What is use of supportsRtl true in android
Android has full native support of RTL layout or text orientation since SDK 17 (Jelly Bean). Mostly mobile apps are designed in LTR (Left to Right) but few languages/designed are written from RTL (Right to Left).
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Vibrate Android Phone Custom
You can vibrate your Android device using few lines of code in your project. Vibrator is one of the most and useful devices for mobile phones.
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How to use session in php
PHP session is used to store information in a variable temporarily to be used across multiple pages. PHP session creates unique user id for each browser to recognize the user and avoid conflict between multiple browsers.
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How to start coding in PHP with 'Hello world'
PHP is one of the most popular open-source and server-side scripting language. PHP is a powerful tool for making dynamic, interactive websites and you can do much more with it. It can be learned easily.
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