1e41f4b71Sopenharmony_ci# application_context.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## Overview 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ciThe **application_context.h** file declares the context capability at the application level. 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**Library**: libability_runtime.so 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**System capability**: SystemCapability.Ability.AbilityRuntime.Core 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**Since**: 13 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci**Related module**: [AbilityRuntime](_ability_runtime.md) 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci## Summary 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci### Files 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci| Name | Description | 22e41f4b71Sopenharmony_ci| --------------------------------------------------- | ------------------------------------------------------------ | 23e41f4b71Sopenharmony_ci| [application_context.h](application__context_8h.md) | Declares the context capability at the application level.<br>**File to include**: <AbilityKit/ability_runtime/application_context.h><br>**Library**: libability_runtime.so| 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci### Functions 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci| Name | Description | 28e41f4b71Sopenharmony_ci| ------------------------------------------------------------ | ---------------------------- | 29e41f4b71Sopenharmony_ci| [AbilityRuntime_ErrorCode](_ability_runtime.md#abilityruntime_errorcode) [OH_AbilityRuntime_ApplicationContextGetCacheDir](_ability_runtime.md#oh_abilityruntime_applicationcontextgetcachedir)(char* buffer, int32_t bufferSize, int32_t* writeLength) | Obtains the application-level cache directory. | 30e41f4b71Sopenharmony_ci| [AbilityRuntime_ErrorCode](_ability_runtime.md#abilityruntime_errorcode) [OH_AbilityRuntime_ApplicationContextGetAreaMode](_ability_runtime.md#oh_abilityruntime_applicationcontextgetareamode)([AbilityRuntime_AreaMode](_ability_runtime.md#abilityruntime_areamode)* areaMode) | Obtains the application-level data encryption level.| 31e41f4b71Sopenharmony_ci| [AbilityRuntime_ErrorCode](_ability_runtime.md#abilityruntime_errorcode) [OH_AbilityRuntime_ApplicationContextGetBundleName](_ability_runtime.md#oh_abilityruntime_applicationcontextgetbundlename)(char* buffer, int32_t bufferSize, int32_t* writeLength) | Obtains the bundle name of the application. | 32