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我想從Android Webview HTML頁面添加聯繫人。我做了使用JavaScript接口從HTML/JavaScript的調用Android的功能..下面是JSInterface.java代碼將通過JavaScript調用，將保存聯繫人在Android模擬器中工作？
public void addContact(String name, String mobile){
String msg = "";
ContentValues cv = new ContentValues();
cv.put(Contacts.People.NAME, name);
Uri newPersonUri = Contacts.People.createPersonInMyContactsGroup(mContext.getContentResolver(), cv);
if (newPersonUri != null) {
ContentValues mobileValues = new ContentValues();
Uri mobileUri = Uri.withAppendedPath(newPersonUri,Contacts.People.Phones.CONTENT_DIRECTORY);
mobileValues.put(Contacts.Phones.NUMBER,mobile);
mobileValues.put(Contacts.Phones.TYPE,Contacts.Phones.TYPE_MOBILE);
Uri phoneUpdate = mContext.getContentResolver().insert(mobileUri, mobileValues);
if (phoneUpdate == null) {
msg = "Failed to add Contact";
}
}
msg = "Contact added successfully";
Toast.makeText(mContext, msg, Toast.LENGTH_SHORT).show();
}
當我從JavaScript調用中止應用程序的功能突然。以下異常痕跡印在logcat中，
12-08 12:59:59.610: I/dalvikvm(1259): java.lang.IllegalStateException: Failed to find the My Contacts group
12-08 12:59:59.610: I/dalvikvm(1259): at android.provider.Contacts$People.addToMyContactsGroup(Contacts.java:491)
12-08 12:59:59.610: I/dalvikvm(1259): at android.provider.Contacts$People.createPersonInMyContactsGroup(Contacts.java:568)
12-08 12:59:59.610: I/dalvikvm(1259): at com.android.contactmanager.JSInterface.addContact(JSInterface.java:89)
12-08 12:59:59.610: I/dalvikvm(1259): at android.webkit.WebViewCore.nativeTouchUp(Native Method)
12-08 12:59:59.620: I/dalvikvm(1259): at android.webkit.WebViewCore.nativeTouchUp(Native Method)
12-08 12:59:59.620: I/dalvikvm(1259): at android.webkit.WebViewCore.access$3900(WebViewCore.java:55)
12-08 12:59:59.620: I/dalvikvm(1259): at android.webkit.WebViewCore$EventHub$1.handleMessage(WebViewCore.java:1370)
12-08 12:59:59.620: I/dalvikvm(1259): at android.os.Handler.dispatchMessage(Handler.java:99)
我沒有Android設備，現在，所以我使用Android模擬器來測試應用程序。在Android模擬器做「保存聯繫人」的工作？如果是的話，我的代碼有什麼問題？任何幫助？
TIA。