Retrive Configured Email Accounts

You can retrieve the email accounts configured on the device's native email client.

public Vector fetchConfiguredEmail(Context context){

        AccountManager accManager = AccountManager.get(context);

        Account acc[] = accManager.getAccounts();

        int accCount = acc.length;

        Vector accounts = new Vector();

        for(int i = 0; i < accCount; i++){

            if(acc[i].name.trim().indexOf("@")!=-1){

                accounts.add(acc[i].name);

            }

        }

        return accounts;

}

Permission: You need to add this permission to your manifest file:

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