startActivity(new Intent(android.provider.Settings.EXTRA_INPUT_METHOD_ID));
ACTION_ACCESSIBILITY_SETTINGS 辅助功能
ACTION_ADD_ACCOUNT 添加账户
CTION_AIRPLANE_MODE_SETTINGS 飞行模式
ACTION_APN_SETTINGS APN接入点
ACTION_APPLICATION_DEVELOPMENT_SETTINGS 开发者选项
ACTION_APPLICATION_SETTINGS 应用程序管理
ACTION_APPLICATION_DETAILS_SETTINGS 无
ACTION_DATA_ROAMING_SETTINGS 移动网络设置
ACTION_DATE_SETTINGS 时间设置
ACTION_DEVICE_INFO_SETTINGS 手机状态/自动关机开机/可用的开放源代码许可
ACTION_INPUT_METHOD_SETTINGS 输入法
ACTION_INPUT_METHOD_SUBTYPE_SETTINGS 输入法语言
ACTION_INTERNAL_STORAGE_SETTINGS 手机存储信息
ACTION_MEMORY_CARD_SETTINGS 内存卡存储
ACTION_MANAGE_APPLICATIONS_SETTINGS 已下载应用
ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS 全部应用
ACTION_LOCATION_SOURCE_SETTINGS 位置，gps等
ACTION_LOCALE_SETTINGS 选择语言
ACTION_NETWORK_OPERATOR_SETTINGS 运营商网络选择
ACTION_QUICK_LAUNCH_SETTINGS 快速启动
ACTION_NFCSHARING_SETTINGS 无
ACTION_NFC_SETTINGS 无
ACTION_SEARCH_SETTINGS 搜索设置
ACTION_PRIVACY_SETTINGS 隐私设置
ACTION_SECURITY_SETTINGS 安全设置
ACTION_SETTINGS 设置
ACTION_SOUND_SETTINGS 声音设置
ACTION_SYNC_SETTINGS 同步
ACTION_USER_DICTIONARY_SETTINGS 用户词典
ACTION_WIFI_IP_SETTINGS wifi ip设置
ACTION_WIFI_SETTINGS wifi选择网络
ACTION_WIRELESS_SETTINGS 无线和网络设置
AUTHORITY 无
EXTRA_AUTHORITIES 无
EXTRA_INPUT_METHOD_ID 无