'Cannot read property 'postMessage' in webview Android
I have a webview, and this webview can show a popup and is displaying ok. When I click on a button of this popup, it is supposed to check some data and close this popup. But this does not happen, when I click the button it doesn't do anything.
I can see in the logs this error:
2022-03-21 17:32:06.390 8841-8841/chromium: [INFO:CONSOLE(74)] "Uncaught (in promise) TypeError: Cannot read property 'postMessage' of null", source: https://xxxx/xxxx/ViewFinTs?style= (74)
How can I fix this?
Sources
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Source: Stack Overflow
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