android active directory management

framework layer are as follows: "/sys/android_power/acquire_partial_wake_lock" Apply for partial wake lock "/sys/android_power/acquire_full_wake_lock" Apply for full wake lock "/sys/android_power/release_wake_lock" Release the corresponding Wake lock "/sys/android_power/request_state" Request to change System state, enter standby and return to wakeup two states "/sys/android_power/state"//indicating the status of the current system Android

Linux system kernel features--inotify, to monitor the application installation directory changes, Inotify is a file system change notification mechanism, such as file additions, deletions and other events can immediately let the user state to know, This mechanism is to compensate for the lack of Linux system in the desktop domain, was added in the linux2,.6 kernel, it is fortunate that our great Android sy

sixth step of the selective merge, can be 2.0 after the development of the dev_1.0 (bugfix) and dev_2.0 (the new version of the development) merge back to the trunk. or merge the dev_1.0 into the dev_2.0 first, test it, and then merge back to the trunk.Both methods have advantages and disadvantages, the first method is to get a relatively pure dev_2.0 development Branch, and the second method is more insurance, because to test it.Above, is I say two development mode, specific which kind of good

process of the compatible Android6.0 Rights management mechanism, and also to make it easy for us to encounter similar problems and less detours.1 . Android 6.0 New rights management mechanismAndroid 6.0 Marshmallow version, the system Some dangerous levels of permissions , when running those targetsdkversion set to at and the at the above application and whe

the custom base class for all activity in the app, you can do some common thingsThe entry class for the Mainactivity.java application can also be put into a specific function moduleBaseapplication.java Application Management class, do some basic initialization or configuration that all apps will use. Application of other applications should then beIt is inherited by this baseapplicationFor reference, take a look at the pictures on the Internet:The Ap

[Android] mobile guard device management permission lock screen, android lock screen Device administrator Device Admin Obtain the DevicePolicyManager object, and use getSystemService (DEVICE_POLICY_MANAGER) to configure the Device Policy Manager. Call the lockNow () method of the DevicePolicyManager object to lock the device. A security exception is reported. Cr

system defines many permissions. You can use the SDK documentation to find the permissions required for operations and then apply for permissions as needed. Permission tree(Permission-tree) The permission tree is set to manage a group of permissions in a unified manner. The permission owner declared under the tree belongs to the application. The system provides APIs that allow applications to be dynamically added at runtime.Ø PackageManager. addPermission () Application installation In

happen.Of course, Service also has other functions, such as inter-process communication, some encapsulated functions, and lifecycle management. That's another topic.Appendix: Process Priority description:Active Processes Active (foreground) processes are those hosting applications with components currently interacting with the user. these are the processes Android