"Android-2" Android process priority

The process priorities in Android are as follows:

1. Foreground process: the activity that interacts with the user in the foreground, or the service bound with the foreground activity, these two processes are called foreground processes.

2. Visible process: visible but not in the foreground, the user is not clickable, it belongs to the visible process.

3. Service process: The process of service services is opened in the background.

4. Background process: For example, the current activity is the foreground process, press the home button, the foreground process has become a background process, but will not kill immediately, according to the memory of the tension of the corresponding recovery.

5. Empty process: the lowest priority process, no active components, in the cache for the purpose of preserving it, the system can kill it at any time.

"Android-2" Android process priority