Performance & graphical glitches on Android

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My C++ application looks and functions excellently on Desktop, however, it seems that on Android there are a variety of issues regarding performance and graphics.

I can't help but feel this might be something with my compilation options, or my AndroidManifest.

Here are some examples:

• Dialogs take ages to open
• Dialogs sometimes never show up
• The left & top sides of windows move improperly & don't follow the formatting of the rest of the window
• The app performs slowly as a whole.

Here are some examples of graphical glitches I see.

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I ended up switching to QML to solve these issues.

[SimonKl]

Same issues here, alongside some spicy errors/warnings when doing anything in with text input:

I did everything by the tutorials, got this result.

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I ended up switching to QML to solve these issues.