Android transition interpolators are used to add animation effect when you scale, move, rotate or fade in / out view object or a group of view objects ( a scene ). This example will show you all the interpolator effect when move a button from left to right horizontally.
Android Move Transition Interpolator Example Read More »
Android transition framework is provided since android version 4.4 KitKat. And the min SDK version is 23. With this framework, you can implement animation to the android app’s view objects easily. This example will tell you how to use it to make change bounds animation with bounce effect in your android app.
Android Transition Framework Animation Example Read More »
As a web UI programmer, you always need to operate DOM objects and jQuery objects both in your JavaScript code. Sometimes you may confuse which object to use because different objects provide different methods. This article will tell you the difference between them and how to use them correctly with examples.
Difference Between Native Dom And jQuery Object Read More »
JavaScript objects can only store character sequence values and can not store binary data. But you may need to read and store binary data when making I/O operations such as read/write image file, read/write binary stream through a network, etc. To resolve this issue, Node JS provides the Buffer module to store and manipulate binary
How To Use Node JS Buffer Module To Encode/Decode String Object Read More »
The android.widget.Button is a frequently used widget in the android application. You can add as many buttons as you need in a layout view object. But how to listen and respond to the click event when the user clicks the buttons? This example will tell you how.
Android Button OnClick Example Read More »
Pinch zoom ( in or out ) is an often-used gesture in android applications. It is very user-friendly and smooth to display something bigger or smaller to watch. This example will show you how to implement pinch zoom on an image in the android application.
Android Pinch Zoom Layout Example Read More »
This example will show you how to capture user gesture as signature and save it to an image in the android emulator. Users just need to write the signature on the screen and click save then a png format image will be created in the SD card of the device. You can use the android
Android Capture Gesture Signature To Image Example Read More »
In some cases, you may want to capture custom-defined gestures in your android application. And at the same time, you may also want to detect general gestures ( such as double-tap, long press, scroll, etc) on the special view component. This article will tell you how to combine custom-defined gestures and general gestures together in
Android Combine Custom And General Gestures Example Read More »
Node JS executes in a single process and single thread only, but the execution performance is very high because of event-driven design and callback function usage. This article will introduce the Node JS event loop mechanism and tell you how to create custom events in Node JS by example.
Node JS Event Loop And Custom Event Example Read More »
When you create a new android project in android studio, you may encounter an error message like below. Error:Execution failed for task ‘:app:preDebugAndroidTestBuild’. > Conflict with dependency ‘com.android.support:support-annotations’ in project ‘:app’. Resolved versions for app (26.1.0) and test app (27.1.1) differ. See https://d.android.com/r/tools/test-apk-dependency-conflicts.html for details.
Fix Conflict With Dependency Error When Creating Android Project Read More »