Could you be more specific?
I suggest you check out the website of DevExpress and look for CodeRush. This plugin is simply amazing and helps speed up development a lot.
E.g. if you type 'mb' and press the spacebar, it will make a new function with a boolean as return type. 'ms' will make a new function with a string as return type. Also the 'rename' function does an amazing job. Just place the cursor on a variable (or function), right-click with the mouse (or shortcut), a popup menu appears with a lot of functions and refactorings. One of them is the rename, simple but very effective.
Also simple things like when typing 'If', afterwards 'Then' and 'End If' should be placed by the editor. Same goes for 'Sub', 'Loop', 'For', ... Yes, I'm spoiled by Visual Studio, but that's the reason I can develop so much faster.
An 'error' list at the bottom of the editor would be handy, just like Visual Studio. This way you know immediately if you have made a mistake somewhere without the need to compile/run your app.
As for the designer... Copy/Paste. 'Tabhost' should become a real TabControl with designtime tabs (panels). It would be great if colors and gradients were respected in the abstract designer. Also the Text of Labels and other controls should be visible in the abstract designer and not their name. A toggle button to switch between them could be an option.
I understand Erel provides the basic controls from Android. This doesn't mean it has to stop there. I really understand he has no time to implement all of our wishes. But hey, that's what they are, wishes, not demands
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Once again, I just love B4A. It's amazing how easy things can be achieved in a very short time. But the editor could use more love.