android系统发送邮件

Posted 2021-06-26 Mars-xq

demo

注意： 需要手机上有邮箱软件，比如QQ邮箱、网易邮箱、系统自带邮箱等。

/**
 * ACTION_SENDTO + mailto
 * @param context
 * @param title
 * @param content
 * @param address
 * @param ccArr
 */
public void sendEmail(Context context, String title, 
			String content, String address, String[] ccArr) {
    Uri uri = Uri.parse("mailto:" + address);
    Intent emailIntent = new Intent(Intent.ACTION_SENDTO, uri);
    // 设置对方邮件地址
    emailIntent.putExtra(Intent.EXTRA_EMAIL, address);
    // 抄送
    emailIntent.putExtra(Intent.EXTRA_CC, ccArr);
    // 设置标题内容
    emailIntent.putExtra(Intent.EXTRA_SUBJECT, title);
    // 设置邮件文本内容
    emailIntent.putExtra(Intent.EXTRA_TEXT, content);
    context.startActivity(Intent.createChooser(emailIntent, "选择邮箱"));
}

/**
 * ACTION_SEND + message/rfc822
 * @param context
 * @param title
 * @param content
 * @param emailArr
 * @param ccArr
 */
public void sendEmail2(Context context, String title, 
			String content, String[] emailArr, String[] ccArr) {
    // 调用系统发邮件
    Intent emailIntent = new Intent(Intent.ACTION_SEND);
    // 设置邮件格式
    emailIntent.setType("message/rfc822");
    // 设置对方邮件地址
    emailIntent.putExtra(Intent.EXTRA_EMAIL, emailArr);
    // 抄送人
    emailIntent.putExtra(Intent.EXTRA_CC, ccArr);
    // 设置标题内容
    emailIntent.putExtra(Intent.EXTRA_SUBJECT, title);
    // 设置邮件文本内容
    emailIntent.putExtra(Intent.EXTRA_TEXT, content);
    context.startActivity(Intent.createChooser(emailIntent, "选择邮箱"));
}

/**
 * 打开邮箱客户端
 */
private void openEmail() {
    Uri uri = Uri.parse("mailto:" + "");
    List<ResolveInfo> packageInfos = getPackageManager()
            .queryIntentActivities(new Intent(Intent.ACTION_SENDTO, uri), 0);
    List<String> tempPkgNameList = new ArrayList<>();
    List<Intent> emailIntents = new ArrayList<>();
    for (ResolveInfo info : packageInfos) {
        String pkgName = info.activityInfo.packageName;
        if (!tempPkgNameList.contains(pkgName)) {
            tempPkgNameList.add(pkgName);
            Intent intent = getPackageManager().getLaunchIntentForPackage(pkgName);
            emailIntents.add(intent);
        }
    }
    if (!emailIntents.isEmpty()) {
        Intent chooserIntent = Intent.createChooser(emailIntents.remove(0), "选择邮箱");
        if (chooserIntent != null) {
            chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, 
            emailIntents.toArray(new Parcelable[]{}));
            startActivity(chooserIntent);
        } else {
            Toast.makeText(MainActivity.this, "没有找到可用的邮件客户端", Toast.LENGTH_SHORT).show();
        }
    } else {
        Toast.makeText(MainActivity.this, "没有找到可用的邮件客户端", Toast.LENGTH_SHORT).show();
    }
}