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Do I need to set a setOnFocusChangeListener for each EditText box I have?

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Do I need to set a setOnFocusChangeListener for each EditText box I have or can I somehow have a global listener? I have 9 Edit boxes right now and will have more. I'm converting a Excel Spreadsheet that dose some calculations for me. I don't want to use a Excel viewer or app. I want to build this dedicated app do calculate my results. My EditText boxes are located in a table view with multiple rows. Some are on the same row. The Table is in two ScrollViews. One horizontalScrollView and one ScrollView just in case the form grows outside the screen. Do you need to see any of my Code? Please let me know and I will post it.
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