How to remove a contact programmatically in android

Question

I try the following code to remove contact with a specified number:

private void removeContact(Context context, String phone) {     //context.getContentResolver().delete(Contacts.Phones.CONTENT_URI, phone, null);     context.getContentResolver().delete(Contacts.Phones.CONTENT_URI,           Contacts.PhonesColumns.NUMBER+"=?", new String[] {phone}); } 

But I get this exception:

java.lang.UnsupportedOperationException: Cannot delete that URL: content://contacts/phones     at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:130)     at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:110)     at android.content.ContentProviderProxy.delete(ContentProviderNative.java:362)     at android.content.ContentResolver.delete(ContentResolver.java:386) 

Can you please tell me how to fix my problem?

Thank you.

Answer 1

To delete all contacts use the following code:

ContentResolver cr = getContentResolver();     Cursor cur = cr.query(ContactsContract.Contacts.CONTENT_URI,             null, null, null, null);     while (cur.moveToNext()) {         try{             String lookupKey = cur.getString(cur.getColumnIndex(ContactsContract.Contacts.LOOKUP_KEY));             Uri uri = Uri.withAppendedPath(ContactsContract.Contacts.CONTENT_LOOKUP_URI, lookupKey);             System.out.println("The uri is " + uri.toString());             cr.delete(uri, null, null);         }         catch(Exception e)         {             System.out.println(e.getStackTrace());         }     } 

To delete any specific contact modify the query

cr.delete(uri, null, null); 

Hope it helps!

Answer 2

This is all we need. To delete Contact with phone number and name given

public static boolean deleteContact(Context ctx, String phone, String name) {     Uri contactUri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(phone));     Cursor cur = ctx.getContentResolver().query(contactUri, null, null, null, null);     try {         if (cur.moveToFirst()) {             do {                 if (cur.getString(cur.getColumnIndex(PhoneLookup.DISPLAY_NAME)).equalsIgnoreCase(name)) {                     String lookupKey = cur.getString(cur.getColumnIndex(ContactsContract.Contacts.LOOKUP_KEY));                     Uri uri = Uri.withAppendedPath(ContactsContract.Contacts.CONTENT_LOOKUP_URI, lookupKey);                     ctx.getContentResolver().delete(uri, null, null);                     return true;                 }              } while (cur.moveToNext());         }      } catch (Exception e) {         System.out.println(e.getStackTrace());     } finally {         cur.close();     }     return false; } 

And remind to add read/write contact permission

<uses-permission android:name="android.permission.READ_CONTACTS" /> <uses-permission android:name="android.permission.WRITE_CONTACTS" />