1e41f4b71Sopenharmony_ci# application_context.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci声明应用级别的上下文能力。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**库：** libability_runtime.so 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**系统能力：** SystemCapability.Ability.AbilityRuntime.Core 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**起始版本：** 13 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci**相关模块：**[AbilityRuntime](_ability_runtime.md) 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci## 汇总 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci### 文件 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci| 名称 | 描述 | 22e41f4b71Sopenharmony_ci| --------------------------------------------------- | ------------------------------------------------------------ | 23e41f4b71Sopenharmony_ci| [application_context.h](application__context_8h.md) | 声明应用级别的上下文能力。<br/>**引用文件**：<AbilityKit/ability_runtime/application_context.h><br/>**库**：libability_runtime.so | 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci### 函数 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci| 名称 | 描述 | 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) | 获取应用级别的缓存目录。 | 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) | 获取应用级别的数据加密等级。 | 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) | 获取应用包名。 |