you can try `[UIApplication shareApplication].keyWindow` may be ok, if the
toast view needs to be displayed, the superView must be the keyWindow,
maybe this is a bug for toast module.
if it works, you can open an pull request to hep us fix it
2018-02-27 17:38 GMT+08:00 许有红 <emptywalk...@gmail.com>:
> acton <zhangxing610...@gmail.com>于2018年2月27日 周二下午5:21写道：
>
> > I guess the reason is applications windows location, you can try to
> debug
> > by po all the windows both in your application and Weex Playground app
> >
> > the toast try to find a superview by getting the application windows.
> >
> > 2018-02-27 17:14 GMT+08:00 许有红 <emptywalk...@gmail.com>:
> >
> > > Toast cannot be displayed in your project, but can be displayed in the
> > > playground. My environment is as follows:
> > >
> > > weexSDK: 0.18.0
> > > $ weex -v
> > > v1.1.0-beta.7
> > > - weexpack : v0.4.7-beta.26
> > > - weex-builder : v0.2.13-beta.4
> > > - weex-devtool : v0.3.2-beta.11
> > > - weex-previewer : v1.3.13-beta.10
> > >
> > > The vue code is as follows:
> > >
> > > <template>
> > > <list>
> > > <cell @click="cellClicked(0)">
> > > <text>点我有弹框</text>
> > > </cell>
> > > </list>
> > > </template>
> > >
> > > <script>
> > > const { toast } = require('./util.js');
> > > const navigator = weex.requireModule('navigator');
> > >
> > > export default {
> > > methods: {
> > > cellClicked() {
> > > const modal = weex.requireModule('modal');
> > > modal.toast({
> > > message: '123120----3123',
> > > duration: 1,
> > > });
> > > }
> > > }
> > > }
> > > </script>
> > >
> > >
> > > According to 'https://github.com/alibaba/weex/issues/2183', the
> > following
> > > solution is found:
> > >
> > > - (void)toast:(NSString *)message duration:(double)duration
> > > {
> > > WXAssertMainThread();
> > > // UIView *superView = [[[UIApplication sharedApplication] windows]
> > > objectAtIndex:0];
> > > // 将上行的代码该为下行就好了。
> > > UIView *superView = [[[UIApplication sharedApplication] windows]
> > > lastObject];
> > > if (!superView) {
> > > superView = self.weexInstance.rootView;
> > > }
> > > UIView *toastView = [self toastViewForMessage:message
> > > superView:superView];
> > > WXToastInfo *info = [WXToastInfo new];
> > > info.toastView = toastView;
> > > info.superView = superView;
> > > info.duration = duration;
> > > [[WXToastManager sharedManager].toastQueue addObject:info];
> > >
> > > if (![WXToastManager sharedManager].toastingView) {
> > > [self showToast:toastView superView:superView
> duration:duration];
> > > }
> > > }
> > >
> > >
> > > Q:Why doesn't the same code work in my project, but in the playground?
> > >
>
>
>
>
>
>
>
>
>
>
> I compared windows in two applications to get the following results.
>
> playground:
> (lldb) po [[UIApplication sharedApplication] windows]
> <__NSArrayM 0x600000057430>(
> <UIWindow: 0x7fa239f00970; frame = (0 0; 414 736); gestureRecognizers =
> <NSArray: 0x60c000049540>; layer = <UIWindowLayer: 0x60c000033640>>,
> <WXWindow: 0x7fa239e06580; baseClass = UIWindow; frame = (110 0; 60 40);
> gestureRecognizers = <NSArray: 0x60400025a940>; layer = <UIWindowLayer:
> 0x604000222320>>,
> <ATBaseWindow: 0x7fa239e03a30; baseClass = UIWindow; frame = (0 0; 414
> 736); gestureRecognizers = <NSArray: 0x60c000049780>; layer =
> <UIWindowLayer: 0x60c0000338e0>>
> )
>
> my APP:
> (lldb) po [[UIApplication sharedApplication] windows]
> <__NSArrayM 0x608000252e10>(
> <UIWindow: 0x7fe9dc106b50; frame = (0 0; 375 812); hidden = YES;
> gestureRecognizers = <NSArray: 0x6080002510d0>; layer = <UIWindowLayer:
> 0x60800003e2c0>>,
> <UIWindow: 0x7fe9dc10db10; frame = (0 0; 375 812); gestureRecognizers =
> <NSArray: 0x608000251970>; layer = <UIWindowLayer: 0x608000222020>>
> )
>
>
> The first window in my project was hidden, so toast couldn't find
> superView.
>
> In addition to modifying the SDK code, can you give us some Suggestions?
>
>
> >
>
