KhmerTechTrain Tutorial Tips Blog

Create a Pie Chart in Android

In some case, you would need to show some statistic information about something on Android application. I think this content will be helpful for such an inquiry you’ve googled for. This content is a...

Create WheelPicker in Android

This is how I create WheelPicker for Android, which is originally from the concept of iOS. Let’s get started: Add dependency Place the below line of code to your build.gradle in your project root....

Substring in Bytes

Normally we use substring(int start , int end) to concatenate string from any specified index in some languages such as English. One byte in English consider as one character. For more detail see String...

How to Design RadioButton Selector in Android Tip#1

You can use Button, I use RadioButton instead of Button in this case, because it much easier and it helps to reduce some minor problems. Button need to handle OnClickListener and RadioButton handle OnCheckedChangeListener. activity_main.xml...

5 Tips for Computer Programming Beginners

Hеу еvеrуbоdу! Sо thеѕе are fіvе tірѕ for рrоgrаmmіng bеgіnnеrѕ. And the fіrѕt tip is going tо be about рrоgrаmmіng bеіng a tool. Whеnеvеr you’re solving problems, you uѕuаllу ѕоlvе рrоblеmѕ іn уоur mіnd....

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