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Editorial Team
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Asked: 2026-05-20T06:09:23+00:00

I’m writing an industry application which will be used by traffic wardens to register

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I’m writing an industry application which will be used by traffic wardens to register offences through my program using forms.

The app is using a webview so it is just a container for an external webpage. We don’t want our users to exit the application so we have to disable all buttons. I succeeded in disabling them except for the home button.

I read some threads about this topic, but I don’t have any solutions yet. The idea is that I am able to make the app the default home app so if the user presses the home button it launches my app and does not exit. How can I accomplish that? If we must we are able to tamper with android itself (when we install the app), but if there is some solution through configuration it would be appreciated.

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  1. Editorial Team

    The idea is that I am able to make the app the default home app so if the user presses the home button it launches my app and does not exit. How can I accomplish that?

    There is a sample Home application in your Android SDK. Mirror its manifest entry, notably putting the HOME category in the activity’s <intent-filter>.

    The first time the, er, traffic warden taps HOME after installing your app, a chooser will appear for which home app to run. Checking the checkbox and tapping your app will then mean the HOME button will run your app forevermore.

    Beyond creating a custom home app, though, there is no way to intercept the HOME button except through firmware modifications.

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