I\'m 开发者_运维问答writing an App for Android which uses the ZXing scanner. I\'d like to place a layer over this activity to show some customized messages or images while the user is scanning.
I couldn\'t find anything on Google, I hope anyone has an answer! When I touch an element which can receive focus such as an 开发者_如何学运维map shape or a \"same-page\" <a> on IPad I can see
I\'m playing a video using android media player & also showing an animation on the top of the video using another layer. (The video file is present on the sdcard.)
since DAO layer is typically responsible for accessing data from DB given certain input (like a user_id etc), should it concern itself with checking the validity of its input?
Should I have them in the wcf client app? Or should I put them in the business or data layer? On the one hand, serialize and de-serializing of data, I may require interaction with other data objects
I have a directory of imagery that will be updated continually. From this imagery, I am making Image Pyramids using the Geotool\'s PyramidBuilder utility. I need to setup a cron job to automatically a
I am studying about hig开发者_运维知识库h coupling between classes, specifically IoC. I would like to ask some questions:
How do I incorporate into my AppDelegate that if a user is on a Level and exits the game (pressed home but开发者_运维技巧ton), then the next time it\'s opened (multitasking) it will open the pauseLaye
When designing an application, at what point sho开发者_运维技巧uld the various layers (such as Presentation, Business Logic, and Data Access) be separated into different assemblies?Mainly you\'ll be d
In core animation it is possible to put a shadow round a CGPathRef, while maintaining very high graphics performance.
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