Question

我正在使用一个Android应用程序，该应用程序显示手机中的联系人列表，例如Whats-app。我已成功将联系人获取到应用程序数据库。当我使用Content Observer新添加/编辑/删除联系人时尝试更新数据库时，我主要遇到两个问题 1.通话时，

String contactName = cur.getString(cur.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));

我叫错名字了。例如：-我编辑了塞缪尔的联系号码，但检查了上面的代码以获取戴维的名字。

当我尝试使用代码获取联系电话时，

 contactNumber = cur.getString(cur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));

我遇到错误

E/CursorWindow: Failed to read row 0, column -1 from a CursorWindow which has 402 rows, 41 columns.

03-01 17:16:56.546 3660-3660/com.xxxxxxxxx.xxxxx W/System.err: java.lang.IllegalStateException: Couldn't read row 0, col -1 from CursorWindow.  Make sure the Cursor is initialized correctly before accessing data from it.

请任何人帮助我找到解决方案。这是我的代码

public class ContactObserver extends ContentObserver {
Intent i;
private static final String TAG = "ObserverReceiver";

private Context context;
BaseActivity mBaseActivity;

public ContactObserver(Handler handler, BaseActivity context) {
super(handler);
this.mBaseActivity = context;
this.context = context;
}

public ContactObserver() {
super(null);
}

@Override
public boolean deliverSelfNotifications() {
return true;
}
 @Override
public void onChange(boolean selfChange, Uri uri) {
super.onChange(selfChange, uri);
if (!selfChange) {
    try {

        ContentResolver cr = context.getContentResolver();
        Cursor cursor = cr.query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
        Log.d(TAG, "Observer has been started..");


        // Contacts Cursor
        final Cursor cur = context.getContentResolver().query(
                ContactsContract.Contacts.CONTENT_URI, null, null, null, null);

        // Check which contact is added or updated
        if (cur != null) {
            while (cur.moveToNext()) {
                // Get contact added/updated timestamp but CONTACT_LAST_UPDATED_TIMESTAMP
                // Get new/updated contact detail here

                final String id = cur.getString(cur.getColumnIndex(ContactsContract.Contacts.LOOKUP_KEY));
                final String contactName = cur.getString(cur.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
                String contactNumber = null;
                if (Integer.parseInt(cur.getString(cur.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0) {
                    try {
                        contactNumber = cur.getString(cur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                    } catch (Exception e) {

                        e.printStackTrace();
                    }
                }

                String finalContactNumber = contactNumber;
                Thread thread = new Thread(new Runnable() {
                    @Override
                    public void run() {
                        List<Contacts> sContacts = ContactDatabase
                                .getDatabase(context)
                                .contactsDao()
                                .getBySystemid(id);
                        Log.i("Contacts1+", new Gson().toJson(sContacts));
                        if (sContacts.size() > 0) {

                            for (Contacts mContacts : sContacts) {
                                String phone = finalContactNumber;
                                if (phone == null) {
                                    phone = mContacts.getPhone();
                                }
                                Log.i("Contacts1+", contactName + " : " + phone);
                                if (phone != null && phone.length() > 0) {
                                    phone = phone.replace(" ", "");
                                }
                                while (String.valueOf(phone.charAt(0)).equals("0")) {
                                    String num = "";
                                    for (int i = 1; i < phone.length(); i++) {
                                        num = num + phone.charAt(i);
                                    }
                                    phone = num;
                                }
                                if (phone.length() == 10) {
                                    phone = getSharedPreference(AppConstants.SharedKey.COUNTRY_CODE) + phone;
                                }
                                if ((mContacts.getName() != contactName || mContacts.getPhone() != phone)) {
                                    mContacts.setName(contactName);
                                    if (!mContacts.getPhone().equalsIgnoreCase(phone)) {
                                        mContacts.setPhone(phone);
                                        mContacts.setIslisted("false");
                                    }
                                    if (mContacts.getPhone().equalsIgnoreCase(phone) || mContacts.getName().equalsIgnoreCase(contactName)) {
                                        ContactDatabase.getDatabase(context)
                                                .contactsDao()
                                                .update(mContacts);
                                        cur.close();

                                    }
                                }
                            }
                        } else {
                            Contacts mContacts = new Contacts();
                            String contactNumber = null;
                            try {
                                contactNumber = cur.getString(cur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                                if (contactNumber != null && contactNumber.length() > 0) {
                                    contactNumber = contactNumber.replace(" ", "");
                                    contactNumber = contactNumber.replace("-", "");
                                }
                                while (String.valueOf(contactNumber.charAt(0)).equals("0")) {
                                    String num = "";
                                    for (int i = 1; i < contactNumber.length(); i++) {
                                        num = num + contactNumber.charAt(i);
                                    }
                                    contactNumber = num;
                                }
                                if (contactNumber.length() == 10) {
                                    contactNumber = getSharedPreference(AppConstants.SharedKey.COUNTRY_CODE) + contactNumber;
                                }
                                String contactName = cur.getString(cur.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
                                mContacts.setPhone(contactNumber);
                                mContacts.setName(contactName);
                                mContacts.setSystemid(id);
                                mContacts.setIslisted("false");
                                List<Contacts> cContacts = ContactDatabase
                                        .getDatabase(context)
                                        .contactsDao()
                                        .getbyPhone(contactNumber);
                                if (cContacts.size() == 0) {
                                    ContactDatabase.getDatabase(context)
                                            .contactsDao()
                                            .insert(mContacts);
                                }
                            } catch (Exception e) {
                                e.printStackTrace();
                            }

                        }
                        i = new Intent(context, ContactSynchService.class);
                        context.startService(i);
                        cur.close();

                    }
                });
                thread.start();
            }

        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}
}



    public String getSharedPreference(String key) {
        SharedPreferences prefs = mBaseActivity.getSharedPreferences(AppConstants.SHARED_KEY, MODE_PRIVATE);
        return prefs.getString(key, "DEFAULT");
    }


}

我尝试了这些链接，但是没有一个可以提供解决方案。

ContentObserver for contact update manually

ContentObserver not working in android

Android: ContentObserver not working in android 4.3

任何帮助将不胜感激。在此先感谢

联系人更新到数据库不与ContentObserver一起使用

0 个答案: