直接贴代码不解释

private void getCursors() {
		Cursor phoneCursor = this.managedQuery(
				ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, null,
				null, null);
		Cursor callLogCursor = this.managedQuery(CallLog.Calls.CONTENT_URI ,
				new String[] { CallLog.Calls.NUMBER,
						CallLog.Calls.CACHED_NAME, CallLog.Calls.TYPE },
						 "1=1) group by "+CallLog.Calls.NUMBER+" -- (", null, null);

		// update listshow
		if (0 < phoneCursor.getCount()||0 < callLogCursor.getCount()) {
			updateCursorList(phoneCursor,callLogCursor);
		}
	}

private void updateCursorList(Cursor phoneCursor,Cursor callLogCursor) {
		Cursor contactCursor = null;
		customArrayList.clear();
		Log.i(TAG, "callLogCursor.getCount()" + callLogCursor.getCount());
		if(0 < callLogCursor.getCount()){
			callLogCursor.moveToFirst();
			while (callLogCursor.getPosition() != callLogCursor.getCount()) {
				String number = callLogCursor.getString(callLogCursor
						.getColumnIndexOrThrow(CallLog.Calls.NUMBER));
				String name = callLogCursor.getString(callLogCursor
						.getColumnIndexOrThrow(CallLog.Calls.CACHED_NAME));
				if(null == name){
					ContactEntity contactentity = new ContactEntity();
					contactentity.contacts_display_name = number;
					contactentity.contacts_phone_number = number;
					customArrayList.add(contactentity);
				}
				callLogCursor.moveToNext();
			}
		}

		Log.i(TAG, "phoneCursor.getCount()" + phoneCursor.getCount());

		if(0 < phoneCursor.getCount()){
		phoneCursor.moveToFirst();
		// find all contact list
		while (phoneCursor.getPosition() != phoneCursor.getCount()) {
			ContactEntity contactentity = new ContactEntity();
			contactentity.contact_id = phoneCursor
					.getLong(phoneCursor
							.getColumnIndex(ContactsContract.CommonDataKinds.Phone.CONTACT_ID));
			contactentity.contacts_phone_type = phoneCursor
					.getInt(phoneCursor
							.getColumnIndex(ContactsContract.CommonDataKinds.Phone.TYPE));
			contactentity.contacts_phone_number = phoneCursor
					.getString(phoneCursor
							.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)).replace(
									"-", "");

			contactCursor = this.managedQuery(
					ContactsContract.Contacts.CONTENT_URI, null,
					ContactsContract.Contacts._ID + "="
							+ contactentity.contact_id, null, null);
			contactCursor.moveToFirst();
			contactentity.contacts_display_name = contactCursor
					.getString(contactCursor
							.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME)).replace(
									"-", "");
//			contactentity.contact_photo_id = contactCursor.getInt(contactCursor
//					.getColumnIndex(ContactsContract.Contacts.PHOTO_ID));
//			if (0 != contactentity.contact_photo_id) {
//				Uri peopleURI = ContentUris.withAppendedId(People.CONTENT_URI,
//						new Long(contactentity.contact_photo_id));
//				contactentity.contact_phone_bmp = People.loadContactPhoto(this,
//						peopleURI, 0, null);
//			}

			Uri uri = ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI,
				            contactentity.contact_id);
			InputStream input = ContactsContract.Contacts.openContactPhotoInputStream(getContentResolver(), uri);
			if(null != input){
			contactentity.contact_phone_bmp = BitmapFactory.decodeStream(input);
			}

			// spell name can
			contactentity.spellName = PinYin.getInstance(this).getPinyinString(
					contactentity.contacts_display_name);

			Log.i(TAG, "contactentity.contact_id: " + contactentity.contact_id
					+ " contactentity.contacts_phone_type: "
					+ contactentity.contacts_phone_type
					+ " contactentity.contacts_phone_number: "
					+ contactentity.contacts_phone_number
					+ "contactentity.contacts_display_name: "
					+ contactentity.contacts_display_name
					+ "contactentity.contact_phone_bmp: "
					+ contactentity.contact_phone_bmp);
			phoneCursor.moveToNext();

			customArrayList.add(contactentity);
		}
		}

		Collections.sort(customArrayList, new Comparator<ContactEntity>() {
			public int compare(ContactEntity o1, ContactEntity o2) {
				ContactEntity he1 = o1, he2 = o2;
				return he1.getName(ContactEntity.SPELL_NAME)
						.compareToIgnoreCase(
								he2.getName(ContactEntity.SPELL_NAME));
			}
		});

		if (null != phoneCursor|| null!= callLogCursor) {
			if (null != mAdapter) {
				mAdapter.list = customArrayList;
				mAdapter.notifyDataSetChanged();
			} else {
				mAdapter = new ContactAdapter(customArrayList);
				mContactList.setAdapter(mAdapter);
			}
			try {
				if(0 < phoneCursor.getCount()){
				phoneCursor.close();
				contactCursor.close();
				}
				if(0 < callLogCursor.getCount()){
				callLogCursor.close();
				}
			} catch (Exception e) {
				Log.e(TAG, e.getMessage());
				// ignore
			}
		}
	}