如何使用附件工作库 gmailbackground

Question

I want to email all the jpg format photos in a folder

BackgroundMail.newBuilder(this)
                .withUsername("mail")
                .withPassword("password")
                .withSenderName("backup")
                .withMailTo("")
                .withMailCc("")
                .withMailBcc("")
                .withType(BackgroundMail.TYPE_PLAIN)
                .withSubject("backup")
                .withBody(ll)
                .withAttachments()

How to use .withAttachments() method?

Lib implemention 'com.github.luongvo:GmailBackground:2.1.1'

Please help me send all image.jpg folder /storage/sdcard0/backup

Answer 1

first of all get all your jpg files into an ArrayList called images , I suggest to use Environment.getExternalStorageDirectory() to get to the SD Card

File folder = new File(Environment.getExternalStorageDirectory().getPath()+"/backup");
File[] listOfFiles = folder.listFiles();
ArrayList<String> images = new ArrayList<String>();
for (int i = 0; i < listOfFiles.length; i++) {
    if (listOfFiles[i].getName().endsWith(".jpg")) {
        images.add(listOfFiles[i].getPath());
    }
}

put this ArrayList as parameter in your method .withAttachments(images)

and don't forget to set READ_EXTERNAL_STORAGE permission in your manifiest

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>