通过intent android添加附件到gmail应用程序

问题描述

我有一个应用程序可以通过点击app，openwith和电子邮件附件来打开PDF。我将该文件转换为inputstream，然后转换为bytearray。现在我希望这个打开的pdf作为附件附加到使用Intent的gmail。我使用以下代码实现了这一点，该代码将pdf添加为没有大小的附件，但收到的邮件不包含附件，并且显示通知无法发送附件。试过很多方法..但不成功..最早的任何帮助。提前谢谢。

意图sendIntent = 新意图（意图。 ACTION_VIEW）; 
 sendIntent.setType（  application / pdf）; 
 sendIntent.setData（Uri.parse（  [email protected]））; 
 sendIntent.setClassName（  com.google.android.gm，  com.google.android.gm.ComposeActivityGmail）; 
 sendIntent.putExtra（Intent.EXTRA_EMAIL， new   String  [] {  [email protected]}）; 
 sendIntent.putExtra（Intent.EXTRA_SUBJECT，  testPDF）; 
 sendIntent.putExtra（Intent.EXTRA_TEXT， 这是一个PDF）; 
 
文件pdfFile = null; 
 尝试 {
 pdfFile =  new 文件（attachmentFileName）; 
 FileOutputStream fos =  new  FileOutputStream（pdfFile）; 
 fos.write（bytes）; 
}  catch （FileNotFoundException e）{
 e.printStackTrace（）; 
}  catch （IOException e）{
 e.printStackTrace（）; 
} 
 
 Uri fileuri = Uri.fromFile（pdfFile）; 
 sendIntent.putExtra（Intent.EXTRA_STREAM，fileuri）; 
  //  启动gmailapp意图 
 startActivity（sendIntent）; 

我的尝试：



我试过使用我已经可用的inputstream和bytearray来生成uri和attach。我不想将文件物理地写入SD卡。 Avaialble inputstream或bytearray应转换为pdf并附加到gmail。

解决方案

I have an application which can open PDF via taping on app, openwith and also email attachment. I convert that file into inputstream and then to bytearray. Now I want this opened pdf to attach as attachment to gmail using Intent. I achieved this with the following code which adds pdf as attachment with no size, but received mail do not contain the attachment and a notification couldn't send attachment is displayed. Tried many ways.. but unsuccessful.. any help at the earliest. thanks in advance.

Intent sendIntent = new Intent(Intent.ACTION_VIEW);
                sendIntent.setType("application/pdf");
                sendIntent.setData(Uri.parse("[email protected]"));
                sendIntent.setClassName("com.google.android.gm", "com.google.android.gm.ComposeActivityGmail");
                sendIntent.putExtra(Intent.EXTRA_EMAIL, new String[] { "[email protected]" });
                sendIntent.putExtra(Intent.EXTRA_SUBJECT, "testPDF");
                sendIntent.putExtra(Intent.EXTRA_TEXT, "this is a PDF ");

                File pdfFile=null;
            try {
                pdfFile = new File(attachmentFileName);
                FileOutputStream fos = new FileOutputStream(pdfFile);
                fos.write(bytes);
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }

                Uri fileuri = Uri.fromFile(pdfFile);
                 sendIntent.putExtra(Intent.EXTRA_STREAM, fileuri);
                //start the gmailapp intent
                startActivity(sendIntent);

What I have tried:

I tried to use inputstream and bytearray already available with me to generate uri and attach. I dont want to physically write the file into SD card. Avaialble inputstream or bytearray should be converted to pdf and attach to gmail.

解决方案

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