Android Studio mailto Intent不显示主题和邮件正文

Question

我正在尝试从我的Android应用发送电子邮件。单击按钮，gmail应打开并显示一个新电子邮件，其中包含我先前定义的收件人，主题和电子邮件正文。到目前为止，我已经尝试发送Intent.ACTION_VIEW和Intent.ACTION_SENDTO。两者都只与收件人一起显示我的草稿。主题和信息都被压抑了。奇怪的是，在使用仿真器时，它工作得很好。还试图锁定android错误日志。好像我没有许可。真的是权限问题，还是其他问题？我真的很感激任何帮助

这是我的代码：

• 通过ACTION_VIEW发送电子邮件

  Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(“mailto:” + to));
  intent.putExtra(intent.EXTRA_SUBJECT, subject);
  intent.putExtra(intent.EXTRA_TEXT, message);
  mainActivity.startActivity(intent);
  
  

• 通过ACTION_SENDTO发送电子邮件

  Intent email = new Intent(Intent.ACTION_SENDTO);
  email.setType(“message/rfc822”);
  email.putExtra(Intent.EXTRA_EMAIL, new String[]{to});
  email.putExtra(Intent.EXTRA_SUBJECT, subject);
  email.putExtra(Intent.EXTRA_TEXT, message);
  mainActivity.startActivity(Intent.createChooser(email, “Choose an Email client :”));

• 来自logcat的错误消息

  2019-12-13 01:30:35.172 29268-29268/? E//system/bin/webview_zygote32: failed to make and chown /acct/uid_99044: Permission denied
  2019-12-13 01:30:35.172 29268-29268/? E/Zygote: createProcessGroup(99044, 0) failed: Permission denied
  2019-12-13 01:30:35.206 29289-29289/? E/asset: setgid: Operation not permitted
  2019-12-13 01:30:35.226 29296-29296/? E/asset: setgid: Operation not permitted
  2019-12-13 01:30:35.355 29268-29268/? E/Typeface: Error mapping font file /system/fonts/NotoSansKhmer-Regular.ttf
  2019-12-13 01:30:35.356 29268-29268/? E/Typeface: Error mapping font file /system/fonts/NotoSansKhmer-Bold.ttf
  2019-12-13 01:30:35.356 29268-29268/? E/Minikin: Could not get cmap table size!
  2019-12-13 01:30:35.356 29268-29268/? E/Typeface: Unable to load Family: null:und-Khmr
  2019-12-13 01:30:35.484 29268-29268/? E/Typeface: Error mapping font file /system/fonts/LGAka_Light.ttf
  2019-12-13 01:30:35.484 29268-29268/? E/Minikin: Could not get cmap table size!
  2019-12-13 01:30:35.484 29268-29268/? E/Typeface: Unable to load Family: lg-lgaka:null
  2019-12-13 01:30:35.816 29342-29342/? E//system/bin/webview_zygote32: failed to make and chown /acct/uid_99045: Permission denied
  2019-12-13 01:30:35.816 29342-29342/? E/Zygote: createProcessGroup(99045, 0) failed: Permission denied
  2019-12-13 01:30:35.842 29354-29354/? E/asset: setgid: Operation not permitted
  2019-12-13 01:30:35.864 29367-29367/? E/asset: setgid: Operation not permitted
  2019-12-13 01:30:36.139 29342-29342/? E/Typeface: Error mapping font file /system/fonts/NotoSansKhmer-Regular.ttf
  2019-12-13 01:30:36.139 29342-29342/? E/Typeface: Error mapping font file /system/fonts/NotoSansKhmer-Bold.ttf
  2019-12-13 01:30:36.139 29342-29342/? E/Minikin: Could not get cmap table size!
  2019-12-13 01:30:36.139 29342-29342/? E/Typeface: Unable to load Family: null:und-Khmr
  2019-12-13 01:30:36.362 29342-29342/? E/Typeface: Error mapping font file /system/fonts/LGAka_Light.ttf
  2019-12-13 01:30:36.362 29342-29342/? E/Minikin: Could not get cmap table size!
  2019-12-13 01:30:36.362 29342-29342/? E/Typeface: Unable to load Family: lg-lgaka:null
  2019-12-13 01:30:36.523 4349-4359/? E/GBMv2: FPS Scaler: EXP
  2019-12-13 01:30:36.602 29342-29342/? E/WebViewFactory: can’t load with relro file; address space not reserved
  2019-12-13 01:30:37.058 29220-29220/? E/Gmail: Gmail:EditWebView JS Console: b/119949571:draft.editor.onLoad; source: file:///android_asset/draft_editor_gmail_compiled.js at 89
  2019-12-13 01:30:37.146 29220-29220/? E/Gmail: Gmail:EditWebView JS Console: b/119949571:draft.editor.onLoad is finished; source: file:///android_asset/draft_editor_gmail_compiled.js at 90

Answer 1

试试这个代码，它对我有用。

Intent intent = new Intent(Intent.ACTION_SENDTO);
            intent.setData(Uri.parse("mailto:")); // only email apps should handle this
            intent.putExtra(Intent.EXTRA_EMAIL, new String[]{email});
            intent.putExtra(Intent.EXTRA_SUBJECT, "Subject here");
            intent.putExtra(Intent.EXTRA_TEXT,"Body Here");
            if (intent.resolveActivity(getPackageManager()) != null) {
                startActivity(intent);
            }

还要在android清单中添加意图过滤器。

<activity ...>
<intent-filter>
    <action android:name="android.intent.action.SENDTO" />
    <data android:scheme="mailto" />
    <category android:name="android.intent.category.DEFAULT" />
</intent-filter>