Can I use android.widget.ImageButton in Toga？ #2087
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Toga can directly use Android native APIs directly. Now that Toga does not have an ImageButton widget, how can I add an android.widget.ImageButton to Toga.Box? |
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Replies: 2 comments 8 replies
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I can't point you at a simple worked example, but: if you have an instance of A normal Toga widget would be added to Alternatively, you could define a custom "ImageButton" widget, but only provide an Android implementation. I'd guess that 90% of the implementation would be identical to Toga's Button - the only real difference would be the parts that actually construct the Button, and the parts that direct the factory to construct the Android implementation. |
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On Windows it uses Python.NET, and you can find the relevant code in toga/winforms. |
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Okay, thank you very much. I'll find a time to study it carefully |
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I have uniformly implemented image buttons, image events, and pop-up menus for Android and Windows. Next, I want to do similar things on Linux systems such as Ubuntu, how does Toga use its native APIs? |
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Toga uses:
On each platform, the |
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Okay, thank you very much for your guidance |
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您好，我已收到来信，会尽快给予你回复。
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I can't point you at a simple worked example, but: if you have an instance of
toga.Box()calledmybox,mybox._impl.nativeis an instance ofandroid.widget.RelativeLayout, andmybox.container.native_contentis another instance ofandroid.widget.RelativeLayoutthat represents the top-level container for the window being laid out. You can then use Chaquopy's APIs to wrap the Java classes needed to construct anandroid.widget.ImageButton.A normal Toga widget would be added to
mybox.container.native_contentand then have positioning parameters set as part of Toga's layout algorithm; if you were to add a widget to the._impl.nativeof a box, that widget should be inserted relative to the posit…