これは、MailTo クラスを使用しない、より複雑なバージョンです (これは、何らかの理由で完全な mailto リンクを正しく解析しません。メール、cc、bcc、件名、および本文が存在する限り、連続して取得します。そうでない場合「存在しない場合はそれらをスキップして次へ進みます。ただし、これにはリンクの作成者がすべてを順番に配置する必要があります。順序が正しくない場合は機能しません。後で別のものを作成する可能性がありますが、どの順序であるかは気にしません。入っています。
気にする人のために、これにより、マーケット アプリへの直接リンクも同様に機能します。
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (url == null) { return false; }
if (url.startsWith("market://")) {
view.getContext().startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
return true;
}
if (url.startsWith("mailto:")) {
url = url.replaceFirst("mailto:", "");
//
String theEmail = "",
theEmailCC = "",
theEmailBCC = "",
theSubject = "",
theBody = "";
Boolean hasEmail = true,
hasEmailCC = url.contains("&cc="),
hasEmailBCC = url.contains("&bcc="),
hasSubject = url.contains("&subject="),
hasBody = url.contains("&body=");
int posEmail = 0,
posEmailCC = hasEmailCC ? url.indexOf("&cc=") : 0,
posEmailBCC = hasEmailBCC ? url.indexOf("&bcc=") : 0,
posSubject = hasSubject ? url.indexOf("&subject=") : 0,
posBody = hasBody ? url.indexOf("&body=") : 0;
//
if (hasEmail && hasEmailCC ) { theEmail = url.substring(posEmail, posEmailCC - posEmail);
} else if (hasEmail && hasEmailBCC) { theEmail = url.substring(posEmail, posEmailBCC - posEmail);
} else if (hasEmail && hasSubject ) { theEmail = url.substring(posEmail, posSubject - posEmail);
} else if (hasEmail && hasBody ) { theEmail = url.substring(posEmail, posBody - posEmail);
} else if (hasEmail ) { theEmail = url;
} else { /*theEmail = url;*/ }
if (hasEmailCC && hasEmailBCC) { theEmailCC = url.substring(posEmailCC, posEmailBCC - posEmailCC);
} else if (hasEmailCC && hasSubject ) { theEmailCC = url.substring(posEmailCC, posSubject - posEmailCC);
} else if (hasEmailCC && hasBody ) { theEmailCC = url.substring(posEmailCC, posBody - posEmailCC);
} else if (hasEmailCC ) { theEmailCC = url.substring(posEmailCC);
} else { /*theEmailCC = url.substring(posEmailCC);*/ }
theEmailCC = theEmailCC.replace("&cc=", "");
if (hasEmailBCC && hasSubject ) { theEmailBCC = url.substring(posEmailBCC, posSubject - posEmailBCC);
} else if (hasEmailBCC && hasBody ) { theEmailBCC = url.substring(posEmailBCC, posBody - posEmailBCC);
} else if (hasEmailBCC ) { theEmailBCC = url.substring(posEmailBCC);
} else { /*theEmailBCC = url.substring(posEmailBCC);*/ }
theEmailBCC = theEmailBCC.replace("&bcc=", "");
if (hasSubject && hasBody ) { theSubject = url.substring(posSubject, posBody - posSubject);
} else if (hasSubject ) { theSubject = url.substring(posSubject);
} else { /*theSubject = url.substring(posSubject);*/ }
theSubject = theSubject.replace("&subject=", "");
if (hasBody ) { theBody = url.substring(posBody);
} else { /*theBody = url.substring(posBody);*/ }
theBody = theBody.replace("&body=", "");
theSubject = theSubject.replace("%20", " ");
theBody = theBody.replace("%20", " ").replace("%0A", "\n");
//
Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND);
emailIntent.setType("message/rfc822");
//
emailIntent.putExtra(android.content.Intent.EXTRA_EMAIL, new String[] { theEmail, });
if (hasEmailCC) { emailIntent.putExtra(android.content.Intent.EXTRA_CC, theEmailCC); }
if (hasEmailBCC) { emailIntent.putExtra(android.content.Intent.EXTRA_BCC, theEmailBCC); }
if (hasSubject) { emailIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, theSubject); }
if (hasBody) { emailIntent.putExtra(android.content.Intent.EXTRA_TEXT, theBody); }
//
view.getContext().startActivity(emailIntent);
//
return true;
}
return false;
}