Doesn't work in Android about react-native-signature-canvas HOT 24 OPEN

You can try this example,https://github.com/YanYuanFE/react-native-signature-canvas/tree/master/example/expo-app, it's work fine, you use autoClear={true} , signature will be clear when onEnd, if you want use button to control the signature, you don't need use autoClear and onEnd event.

Hi! All I meant is that canvas neither drawing anything, neither any buttons work. Clicking and dragging over the canvas makes no effect on Android (nothing drawing, the canvas always empty).

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not rendering at all on android

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@YanYuanFE I recorded a comparison of iOS and Android, where you can see that Android has no effect when drawing -> https://streamable.com/ud5xyf

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@henryrossiter，https: //streamable.com/f7e3i0，在Nexus 6P，Android 7.0上可以正常工作，我使用以下示例：https : //github.com/YanYuanFE/react-native-signature-canvas/tree/master/example / expo-app

Hello targetSdkVersion= 28 is normal, but Android shows nothing when targetSdkVersion=29.

I am having the same problem, did you manage to solve it?

Are you use expo project? How to set the targetSdkVersion in expo project?because I only see targetSdkVersion in react-native-cli project.

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@andre-v2 @RamonEspinosa #76,
sdkVersion issue

I solved it by upgrading react native from 0.59 to 0.63 and using react-native-signature-canvas 2.6.0. Upgrading is kind of hard but I followed this guide. I reckon everyone should do this due to the new play store requirements

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You can try this example,https://github.com/YanYuanFE/react-native-signature-canvas/tree/master/example/expo-app, it's work fine, you use autoClear={true} , signature will be clear when onEnd, if you want use button to control the signature, you don't need use autoClear and onEnd event.

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@NeliHarbuzava I recorded a video for android, It's work fine,
https://streamable.com/bzm99l
use Nexus 5X, Android 10

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I am experiencing this issue as well. No issues on iOS. With android ( Nexus 6P, Android 7.0), the canvas remains empty.

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I am experiencing this issue as well. No issues on iOS. With android ( Nexus 6P, Android 7.0), the canvas remains empty.

With Android 9.0, however, I can use the canvas without issues.

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@henryrossiter , https://streamable.com/f7e3i0, work fine on Nexus 6P, Android 7.0, I use this example: https://github.com/YanYuanFE/react-native-signature-canvas/tree/master/example/expo-app

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Hi, apparently the library is not compatible with api level 23. Only on canvas, the library is not paint layers. Any solution?

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@henryrossiter，https: //streamable.com/f7e3i0，在Nexus 6P，Android 7.0上可以正常工作，我使用以下示例：https : //github.com/YanYuanFE/react-native-signature-canvas/tree/master/example / expo-app

Hello targetSdkVersion= 28 is normal, but Android shows nothing when targetSdkVersion=29.

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@henryrossiter，https: //streamable.com/f7e3i0，在Nexus 6P，Android 7.0上可以正常工作，我使用以下示例：https : //github.com/YanYuanFE/react-native-signature-canvas/tree/master/example / expo-app

Hello targetSdkVersion= 28 is normal, but Android shows nothing when targetSdkVersion=29.

I am having the same problem, did you manage to solve it?

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@henryrossiter，https: //streamable.com/f7e3i0，在Nexus 6P，Android 7.0上可以正常工作，我使用以下示例：https : //github.com/YanYuanFE/react-native-signature-canvas/tree/master/example / expo-app

Hello targetSdkVersion= 28 is normal, but Android shows nothing when targetSdkVersion=29.

I am having the same problem, did you manage to solve it?

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@andre-v2 @RamonEspinosa #76,
sdkVersion issue

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Exactly experienced same issue in Android. Drawing nothing.

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for me removing onEnd event from this https://github.com/YanYuanFE/react-native-signature-canvas/blob/master/example/expo-app/SignModal.js and setting a signature in state making this example working

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I am facing the same issue with "react-native-signature-canvas". It works fine in the simulator and also in the device when I scan QR from the expo app but when I generate an APK file from the expo and run it on the android device the application got crashes.

Can anyone guide me or suggest a new plugin for signature that works for both android and ios device?

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@Brinda221patel build the html and js in webview

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@Brinda221patel build the html and js in webview

1. Can you please explain in detail? I need to convert the EXPO app into an APK file. The "react-native-signature-canvas" plugin works fine when we run "npm start" and scan QR with the android device but when I generate an APK file expo using (eas build -p android --profile preview ) and run that APK file in the android device the application got crashed due this ('react-native-signature-canvas') plugin

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https://github.com/szimek/signature_pad/tree/gh-pages
@benchris921 put the contents of these files in backticks (`` )
call that from a webview. it should fix that.

const html = `<!doctype html> .. put the css in style tags in the head`
const js = `jscontent`
  <WebView
    source={{ html: html }}
    onMessage={(event) => {}}
    injectedJavaScript={js}
  />

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@Brinda221patel build the html and js in webview

1. Can you please explain in detail? I need to convert the EXPO app into an APK file. The "react-native-signature-canvas" plugin works fine when we run "npm start" and scan QR with the android device but when I generate an APK file expo using (eas build -p android --profile preview ) and run that APK file in the android device the application got crashed due this ('react-native-signature-canvas') plugin

Hi @Brinda221patel have you get any solution? I am facing same issue

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same issue here as well!

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Show nothing on android. Really sad

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