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Each Android window has a title.
To remove it, in the onCreate method, make a call to requestWindowFeature(Window.FEATURE_NO_TITLE); before calling setContentView(R.layout.main);
This article discusses the new Delphi 8 property access specifiers.
Continued discussion of undocumented Delphi 8 Property Access Specifiers, and other ways of adding and removing delegates / events handlers, including clearing the list of all the delegates / event handlers.