如何从flutter应用程序共享图像到whatsapp? [英] How to share image to whatsapp from flutter application?

问题描述

我必须将图像从我的flutter应用程序直接发送到whatsapp.启动whatsapp后，我想选择联系人以共享图像.怎么可能在扑打?

I have to send an image from my flutter application to whatsapp directly. After launching the whatsapp, I want to select the contacts to share the image. How this possible in flutter?

我尝试使用url_launcher，但它正在启动指定的联系人.而且我在任何地方都找不到共享选项.

I tried using url_launcher, but it is launching the specified contact. And I couldn't find the sharing option anywhere.

  const url = 'whatsapp://send?phone=$phone';
   if (await URLLauncher.canLaunch(url)) {
     await URLLauncher.launch(url);
   } 
   else {
     throw 'Could not launch $url';
   }

推荐答案

您可以使用 esys_flutter_share 共享文件.您只需要将文件发送为字节并共享到所需的任何外部应用程序即可.

You can make use of esys_flutter_share to share files in flutter. You just need to send a file as bytes and share to any external application you want.

final ByteData bytes = await rootBundle.load('assets/image1.png');
await Share.file('esys image', 'esys.png', bytes.buffer.asUint8List(), 'image/png', text: 'My optional text.'); 

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