'dumpsys window windows | grep -E 'mCurrentFocus' command is not giving me any result

I am giving dumpsys window windows | grep -E 'mCurrentFocus | mFocusedApp' command in the command prompt and it is not giving any results.enter image description here

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Solution 1:[1]

Remove the extra spaces:

dumpsys window windows | grep -E 'mCurrentFocus|mFocusedApp'

Solution 2:[2]

On my Android 11 device, using dumpsys window windows doesn't give the currently focused window. Instead one has to do:

dumpsys window displays | grep -E 'mCurrentFocus|mFocusedApp'

I think a solution that works on all devices is:

dumpsys window | grep -E 'mCurrentFocus|mFocusedApp'

(dumpsys window dumps information about all the subtopics, including windows and displays).

Solution 3:[3]

Use this code. dumpsys window | grep -E 'mCurrentFocus|mFocusedApp'

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Alex P.
Solution 2 Alexander Pruss
Solution 3 Ankit Sharma

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