Save Image in External Storage Asynchronously. Saving Image or other files in External Storage is a regular task for an Android Programmer. Add the relevant permissions to your AndroidManifest. A different thread should be used, because saving image or any other file is a time consuming task. Otherwise you may get ANR error. Here, I have used Async Task. At first check the external storage whether it is readable and writable.

Develop iPhone and iPad Games using Cocos2d. This site helps you learn core concept of cocos2d through easy examples. Example of Pause and Resume. The director pauses the current scene, and SimpleAudioEngine pauses the background music. The CCSpawn action lets y.

Define constant based on device height. Several times we need to define constants based on device height. For example, Wallpaper applications we need to show different image based on device height. Defining constants is pretty easy. It is determined dynamically during runtime. So, we can use a macro. So, better if we use.

While developing game for App Store in Cocos2d-X game engine, several times you need to communicate with native Objective-C classes. It is better to create a wrapper class to communicate with Cocos2d-x and Objective-C. Here I made an example class WrapperCommunicate.

Debugging is still an art, not a science; but there are some techniques that can help. This site shares several techniques to help iPhone and iPad developers to debug program codes effectively. The 13 golden rules of debugging. Cool basics on Memory Stomp. Zombie is your Friend! Utilize Malloc debugging features. Configuring the Malloc Environment Variables.

LLDB is a next generation, high-performance debugger. This site helps you to learn debugging with LLDB through working samples. Loading a program to LLDB. Starting or attaching to your program. Debugging and Profiling with Valgrind. Debugging iPhone and iPad Projects. Learn to Develop iPhone iPad Games using Cocos2d.