Event type for the callback function that is responsible for refreshing the display into the new time zone. ![]() Event type for the callback function that is responsible for refreshing the display into the new language. Event type for the callback function that is responsible for changing the display orientation to match the device orientation. The callback function must also stop heavy CPU consumption or power consumption activities to save the remaining power. Event type for the callback function that is responsible for saving data in the main memory to a persistent memory or storage to avoid data loss in case the power goes off completely. The callback function must also release any cached data in the main memory to secure more free memory. Used to take necessary actions when another application sends a launch request to the application - 8 -ġ1 Code for application life cycle callbacks // register callback functions in your main code // Then the state transition will be notified through these callback functionsġ2 System-Related Events Event Type APP_EVENT_LOW_MEMORY APP_EVENT_LOW_BATTERY APP_EVENT_DEVICE_ORIEN TATION_CHANGED APP_EVENT_LANGUAGE_CHA NGED APP_EVENT_REGION_FORMA T_CHANGED APP_EVENT_SUSPENDED_ST ATE_CHANGED Description Event type for the callback function that is responsible for saving data in the main memory to a persistent memory or storage to avoid data loss in case the Tizen platform Low Memory Killer kills your application to get more free memory. Release all resources, especially any allocations and shared resources, so that other running applications can fully use any shared resources. Used to take necessary actions when the application is terminating. If you relinquish anything in the app_pause_cb() callback, re-allocate those resources here before the application resumes. Used to take necessary actions when the application becomes visible. Do not starve the foreground application that is interacting with the user. For example, release memory resources so other applications can use them. ![]() Used to take necessary actions when the application becomes invisible. Place the UI generation code here to prevent missing any events from your application UI. Application is terminatedĨ Application State Change Events Callback app_create_cb() app_pause_cb() app_resume_cb() app_terminate_cb() app_control_cb() Description Used to take necessary actions before the main event loop starts. Application is running but invisible to the user. Application is running and visible to the user. 5 Package Manager It provides APIs to manage installed packages and their information // Call this function to retrieve the package information to all installed packages // Then you can get package information through this callback function as a result - 5 -Ħ (2) Application Tizen Native Application A Tizen native application is similar to a conventional Linux application, with some additional features optimized for mobile devices Tizen supports two types of applications UI Application, which have a graphical user interface Service Application, which have no graphical user interface You can select a project template to support either UI application or Service application when you create a new project Both UI application and Service application can be packaged together but a combined package must contain only 1 UI application Possible combinations for a native multi-project M means that multiple applications can be packaged as sub applications - 6 -ħ (2-1) The Skeleton of Tizen Application Application States State READY CREATED RUNNING PAUSED TERMINATED Description Application is launched.
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