Question

Intent intent = new Intent(Intent.ACTION_SEND);
                intent.setType("text/plain");
                intent.putExtra(Intent.EXTRA_EMAIL,
                        new String[] { "email@example.com" });
                intent.putExtra(Intent.EXTRA_SUBJECT, "subject here");
                intent.putExtra(Intent.EXTRA_TEXT, "body text");
                File root = Environment.getExternalStorageDirectory();
                // File file = new File(root, filename);
                if (!file.exists() || !file.canRead()) {
                    Toast.makeText(couponAlert, "Attachment Error",
                            Toast.LENGTH_SHORT).show();
                    // finish();
                    return;
                }

            Uri uri = Uri.fromFile(file);
            ;
            intent.putExtra(Intent.EXTRA_STREAM, uri);
            final PackageManager pm = couponAlert.getPackageManager();
            final List<ResolveInfo> matches = pm.queryIntentActivities(
                    intent, 0);
            ResolveInfo best = null;
            for (final ResolveInfo info : matches)
                if (info.activityInfo.packageName.endsWith(".gm")
                        || info.activityInfo.name.toLowerCase().contains(
                                "gmail"))
                    best = info;
            if (best != null)
                intent.setClassName(best.activityInfo.packageName,
                        best.activityInfo.name);
            couponAlert.startActivity(intent);
            couponAlert.callFinish();

我想通过gmail邮寄，我是通过意图调用gmail应用程序，但在发送电子邮件后，它会回家并且我的应用程序关闭。有一件事在这里。我称之为电子邮件意图的活动是Tabactivity的Child活动，我们的应用程序正在处理MainTAb活动，并且电子邮件功能用于其中一个活动。请尽早回复

发送电子邮件申请后关闭并回家

0 个答案: