Using Android Intent.Action_Send for Sending Email

Send Email Intent

when you will change your intent.setType like below you will get

intent.setType("text/plain");

Use android.content.Intent.ACTION_SENDTO to get only the list of e-mail clients, with no facebook or other apps. Just the email clients.
Ex:

new Intent(Intent.ACTION_SENDTO);

I wouldn't suggest you get directly to the email app. Let the user choose his favorite email app. Don't constrain him.

If you use ACTION_SENDTO, putExtra does not work to add subject and text to the intent. Use Uri to add the subject and body text.

EDIT:
We can use message/rfc822 instead of "text/plain" as the MIME type. However, that is not indicating "only offer email clients" -- it indicates "offer anything that supports message/rfc822 data". That could readily include some application that are not email clients.

message/rfc822 supports MIME Types of .mhtml, .mht, .mime

Using Android Intent.ACTION_SEND for sending email

Intent email = new Intent(android.content.Intent.ACTION_SEND);  
email.setType("application/octet-stream");

EDIT:

You could try setting the type to "message/rfc822" as well.

try this...

ACTION_SEND force sending with email

Try to setType message/rfc822 instead of text/plain

How to send emails from my Android application?

The best (and easiest) way is to use an Intent:

Intent i = new Intent(Intent.ACTION_SEND);
i.setType("message/rfc822");
i.putExtra(Intent.EXTRA_EMAIL  , new String[]{"recipient@example.com"});
i.putExtra(Intent.EXTRA_SUBJECT, "subject of email");
i.putExtra(Intent.EXTRA_TEXT   , "body of email");
try {
    startActivity(Intent.createChooser(i, "Send mail..."));
} catch (android.content.ActivityNotFoundException ex) {
    Toast.makeText(MyActivity.this, "There are no email clients installed.", Toast.LENGTH_SHORT).show();
}

Otherwise you'll have to write your own client.

Opening email client via Intent (but not to send a message)

I think you should replace Intent.ACTION_SEND to Intent.ACTION_VIEW,
i am sure this will work as this will prompt with list of application which support MIME type "message/rfc822" so it will include your default email client in your device other than gmail app.

How about this code:

final Intent emailLauncher = new Intent(Intent.ACTION_VIEW);
emailLauncher.setType("message/rfc822");
try{
       startActivity(emailLauncher);
}catch(ActivityNotFoundException e){

}

Action send mail to with file Android 11

solved with replacing:

Intent email_intent = new Intent(Intent.ACTION_SEND);
email_intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);

and in <manifest> </manifest> putting:

<queries>
    <intent>
        <action android:name="android.intent.action.SEND"/>
        <data android:mimeType="*/*" />
    </intent>
</queries>

Android\Intent: Send an email with image attachment

Try below code...

Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND); 
emailIntent.setType("application/image");
emailIntent.putExtra(android.content.Intent.EXTRA_EMAIL, new String[]{strEmail}); 
emailIntent.putExtra(android.content.Intent.EXTRA_SUBJECT,"Test Subject"); 
emailIntent.putExtra(android.content.Intent.EXTRA_TEXT, "From My App"); 
emailIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file:///mnt/sdcard/Myimage.jpeg"));
startActivity(Intent.createChooser(emailIntent, "Send mail..."));