com.avos.avoscloud.AVUser Java Examples

@Override
public void onClick(View v) {
	int id = v.getId();
	if (id == R.id.avatarLayout) {
		Intent intent = new Intent(Intent.ACTION_PICK, null);
		intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
				"image/*");
		startActivityForResult(intent, IMAGE_PICK_REQUEST);
	} else if (id == R.id.logout) {
		ChatService.closeSession();
		AVUser.logOut();
		getActivity().finish();
	} else if (id == R.id.sexLayout) {
		showSexChooseDialog();
	}
}
 

@Override
public void addQuestion(String title, String des, final SaveCallback callback) {
    Question question = new Question();
    question.setTitle(title);
    question.setDescription(des);
    User user = AVUser.getCurrentUser(User.class);
    question.setUser(user);
    question.saveInBackground(new com.avos.avoscloud.SaveCallback() {
        @Override
        public void done(AVException e) {
            if (e == null) {
                callback.onSaveSuccess();
            } else {
                callback.onSaveFailed(e.getLocalizedMessage());
            }
        }
    });
}
 

@Override
protected void init() {
    super.init();
    //设置状态栏颜色为透明色
    setStatusBarTransparent();
    //获取当前用户
    User currentUser = AVUser.getCurrentUser(User.class);
    //如果当前用户为null,说明用户没有登陆
    if (currentUser == null) {
        //延时跳转到登陆界面
        navigateToLoginActivity();
    } else {
        //延时跳转到主界面
        navigateToMainActivity();
    }

    //Activity 转场动画，淡入淡出
    overridePendingTransition(android.R.anim.fade_in, android.R.anim.fade_out);

}
 

@Override
public void sendComment(Answer answer, String replayTo, String commentString, final SaveCallback callback) {
    Comment comment = new Comment();
    User user = AVUser.getCurrentUser(User.class);
    comment.setContent(commentString);
    answer.addCommentCount();
    comment.setAnswer(answer);
    comment.setUser(user);
    comment.saveInBackground(new com.avos.avoscloud.SaveCallback() {
        @Override
        public void done(AVException e) {
            if (e == null) {
                callback.onSaveSuccess();
            } else {
                callback.onSaveFailed(e.getLocalizedMessage());
            }
        }
    });
}
 

@Override
public Object getItem(int position) {
	// TODO Auto-generated method stub
	final Map<String, Object> item = new HashMap<String, Object>();

	AVUser user = (AVUser) MeetList.get(position).get("user");
	String name = user.getUsername();
	AVFile avatar = user.getAVFile("avatar");
	String avatarUrl = getAvatarUrl(user);
	String times = MeetList.get(position).get("times").toString();
	times = "相遇" + times + "次";

	item.put("name", name);
	item.put("avatar", avatarUrl);
	item.put("times", times);

	return item;

}
 

@Override
public void addAnswerToQuestion(String answerString, final Question question, final SaveCallback callback) {
    Answer answer = new Answer();
    answer.setAnswer(answerString);
    User currentUser = AVUser.getCurrentUser(User.class);
    answer.setUser(currentUser);//设置回答者
    Question dependent = getQuestionWithoutData(question.getObjectId());
    answer.setQuestion(dependent);//设置回答的问题
    answer.saveInBackground(new com.avos.avoscloud.SaveCallback() {
        @Override
        public void done(AVException e) {
            if (e == null) {
                question.addAnswerCount();//增加问题的回答计数
                callback.onSaveSuccess();
            } else {
                callback.onSaveFailed(e.getLocalizedMessage());
            }
        }
    });
}
 

public static void addMeeting(AVObject meetinfo) {
	AVUser adduser = meetinfo.getAVUser("YourUser");
	String username = adduser.getUsername();
	for (HashMap<String, Object> meet : list) {
		AVUser user = (AVUser) meet.get("user");
		String name = user.getUsername();
		if (name.equals(username)) {
			int times = Integer.valueOf(meet.get("times").toString());
			meet.put("times", times + 1);
			return;
		}
	}

	HashMap<String, Object> newuser = new HashMap<String, Object>();
	newuser.put("user", adduser);
	newuser.put("times", 1);

	list.add(newuser);
}
 

@Override
public void bindData(Object object)
{
	User user = ((PersonalCenterHomeBean) object).getUser();
	mTvDetailDesc.setText(user.getDetailDesc());
	String genderTrend = Constant.GENDER_ALL;
	if (!"".equals(user.getGenderTrend()))
		genderTrend = user.getGenderTrend();
	mTvGenderTrend.setText(genderTrend);
	mTvFavoriteActivity.setText(user.getFavoriteActivity());
	//如果当前展示用户为本人，不显示聊天按钮
	if (user.getObjectId().equals(AVUser.getCurrentUser().getObjectId()))
	{
		mBtnChat.setVisibility(View.GONE);

	} else
	{
		mBtnChat.setVisibility(View.VISIBLE);
	}
}
 

private void refresh() {
	new MyAsyncTask(mContext) {
		List<AddRequest> subAddRequests;

		@Override
		protected void doInBack() throws Exception {
			subAddRequests = AddRequestService.findAddRequests();
		}

		@Override
		protected void onSucceed() {
			AVUser user = AVUser.getCurrentUser();
			String id = user.getObjectId();
			PreferenceMap preferenceMap = new PreferenceMap(context, id);
			preferenceMap.setAddRequestN(subAddRequests.size());
			adapter.addAll(subAddRequests);
		}

	}.execute();
}
 

/**
	 * 保存用户的位置
	 *
	 * @param longitude
	 * @param latitude
	 */
	public void updateLocation(double longitude, double latitude)
	{
		User user = AVUser.getCurrentUser(User.class);
//		Logger.e(user.getLocation()+"");
		user.setLocation(new AVGeoPoint(latitude, longitude));
		mUserBll.updateLocation(user)
						.subscribeOn(Schedulers.io())
						.observeOn(AndroidSchedulers.mainThread())
						.subscribe(new Action1<Void>()
						{
							@Override
							public void call(Void aVoid)
							{
//						Logger.e("更新定位成功");
							}
						}, new Action1<Throwable>()
						{
							@Override
							public void call(Throwable throwable)
							{
//						Logger.e("更新定位失败：" + throwable.getMessage());
							}
						});
	}
 

public static void updateUserLocation() {
	PreferenceMap preferenceMap = PreferenceMap.getCurUserPrefDao(DemoApplication.context);
	AVGeoPoint lastLocation = preferenceMap.getLocation();
	if (lastLocation != null) {
		final AVUser user = AVUser.getCurrentUser();
		final AVGeoPoint location = user.getAVGeoPoint("location");
		if (location == null || !Utils.doubleEqual(location.getLatitude(), lastLocation.getLatitude())
				|| !Utils.doubleEqual(location.getLongitude(), lastLocation.getLongitude())) {
			user.put("location", lastLocation);
			user.saveInBackground(new SaveCallback() {
				@Override
				public void done(AVException e) {
					if (e != null) {
						e.printStackTrace();
					} else {
						Log.v("lan", "lastLocation save " + user.getAVGeoPoint("location"));
					}
				}
			});
		}
	}
}
 

private void login() {
	final String email = enterLogin.getText().toString();
	final String pwd = enterPassword.getText().toString();

	new MyAsyncTask(this) {


		@Override
		protected void doInBack() throws Exception {
			// TODO Auto-generated method stub
			AVUser.logIn(email, pwd);
		}

		@Override
		protected void onSucceed() {
			Utils.toast("登录成功");
			Utils.goActivity(context, HomeActivity.class);
		}
	}.execute();
}
 

public static void getUser(final LoadCallback<User> loadCallback, String objectId) {
    AVQuery<User> userAVQuery = AVQuery.getQuery(User.class);
    userAVQuery.whereEqualTo(AVUser.OBJECT_ID, objectId);
    userAVQuery.findInBackground(new FindCallback<User>() {
        @Override
        public void done(List<User> list, AVException e) {
            if (e == null) {
                loadCallback.onLoadSuccess(list);
            } else {
                loadCallback.onLoadFailed(e.getLocalizedMessage());
            }

        }
    });

}
 

private void deleteFriend(final AVUser user) {
	new MyAsyncTask(context) {

		@Override
		protected void doInBack() throws Exception {
			// TODO Auto-generated method stub
			AVUser curUser = AVUser.getCurrentUser();
			CloudService.removeFriendForBoth(curUser, user);
		}

		@Override
		protected void onSucceed() {
			Utils.toast("删除成功");
			userAdapter.remove(user);
		}
	};
}
 

public void refresh() {
	new MyAsyncTask(context, true) {
		boolean haveAddRequest;
		List<AVUser> friends;

		@Override
		protected void doInBack() throws Exception {
			// TODO Auto-generated method stub
			haveAddRequest = AddRequestService.hasAddRequest();
			friends = UserService.findFriends();
		}

		@Override
		protected void onSucceed() {
			setAddRequestTipsAndListView(haveAddRequest, friends);
		}
	}.execute();
	//
}
 

private void fillFriendsData(List<AVUser> datas) {
	friends.clear();
	int total = datas.size();
	for (int i = 0; i < total; i++) {
		AVUser user = datas.get(i);
		AVUser sortUser = new AVUser();
		sortUser.put("avatar", user.getAVFile("avatar"));
		sortUser.setUsername(user.getUsername());
		sortUser.setObjectId(user.getObjectId());
		String username = sortUser.getUsername();
		if (username != null) {
			String pinyin = CharacterParser.getPingYin(user.getUsername());
			String sortString = pinyin.substring(0, 1).toUpperCase();
			if (sortString.matches("[A-Z]")) {
				Log.d("lan", sortString.toUpperCase());
			} else {
				Log.d("lan", "#");
			}
		} else {
			Log.d("lan", "#");
		}
		friends.add(sortUser);
	}
	Collections.sort(friends, pinyinComparator);
}
 

@Override
public void afterCreate()
{
	ActionBar actionBar = getSupportActionBar();
	if (actionBar != null) actionBar.setTitle("");
	User me = AVUser.getCurrentUser(User.class);
	if (me == null)
	{
		Toast.makeText(this, "请先进行登录,", Toast.LENGTH_SHORT).show();
		finish();
	}
	//初始化用户信息
	mTvUsername.setText(me.getUsername());
	AVFile avAvatar = me.getAvatar();
	if (avAvatar != null)
		PicassoUtils.displayFitImage(this, Uri.parse(avAvatar.getThumbnailUrl(true, Constant
						.AVATAR_WIDTH, Constant.AVATAR_HEIGHT)), mIvAvatar, null);
	//初始化事件
	initEvent();
	//初始化viewpager
	initViewPagerAndTabLayout();
}
 

public void initData(Intent intent) {
		mCurUser = AVUser.getCurrentUser();
		mDbHelper = new DBHelper(ctx, "chat.db", 1);
		int roomTypeInt = intent.getIntExtra(ROOM_TYPE, RoomType.Single.getValue());
		roomType = RoomType.fromInt(roomTypeInt);
		msgSize = PAGE_SIZE;
		if (roomType == RoomType.Single) {
			String chatUserId = intent.getStringExtra(CHAT_USER_ID);
			chatUser = DemoApplication.lookupUser(chatUserId);
			if (chatUser != null) {
				ChatService.withUserToWatch(chatUser, true);
				msgAgent = new MsgAgent(roomType, chatUser.getObjectId());
			} else {
				Log.d("test1", chatUserId);
			}


		} else {
//      String groupId = intent.getStringExtra(GROUP_ID);
//      Session session = ChatService.getSession();
//      group = session.getGroup(groupId);
//      chatGroup = App.lookupChatGroup(groupId);
//      msgAgent = new MsgAgent(roomType, groupId);
		}
	}
 

/**
 * 检查 指定friend 是否已经是我的好友
 */
public Observable<String> checkIfIsFriend(final String friend)
{
	return Observable.create(new Observable.OnSubscribe<String>()
	{
		@Override
		public void call(Subscriber<? super String> subscriber)
		{
			List<User> friends = AVUser.getCurrentUser(User.class).getFriends();
			if (!friends.isEmpty())
			{
				for (User user : friends)
				{
					if (user.getUsername().equals(friend))
					{
						subscriber.onError(new Exception(friend + " 已是你的好友"));
						break;
					}
				}
			}
			subscriber.onNext(friend);
		}


	});
}
 

public Observable<User> addFriend(final User friend)
{
	return Observable.create(new Observable.OnSubscribe<User>()
	{
		@Override
		public void call(Subscriber<? super User> subscriber)
		{
			User me = AVUser.getCurrentUser(User.class);
			List<User> friendList = me.getFriends();
			friendList.addAll(Arrays.asList(friend));
			me.setFriends(friendList);
			try
			{
				me.save();
				subscriber.onNext(friend);
			} catch (AVException e)
			{
				subscriber.onError(e);
				e.printStackTrace();
			}
		}
	});
}
 

public Observable<User> registerUser(final User user)
{
	return Observable.create(new Observable.OnSubscribe<User>()
	{
		@Override
		public void call(Subscriber<? super User> subscriber)
		{
			try
			{
				AVUser avUser = new AVUser();
				avUser.setUsername(user.getUsername());
				avUser.setPassword(user.getPassword());
				avUser.put(User.FIELD_GENDER, user.getGender());
				avUser.signUp();
				//注册成功
				subscriber.onNext(user);
			} catch (AVException e)
			{
				e.printStackTrace();
				subscriber.onError(e);
			}
		}
	});

}
 

private void publishArticle() {
    String title = mArticleTitle.getText().toString().trim();
    if (title.length() == 0) {
        Snackbar.make(mScrollView, getString(R.string.title_not_null), Snackbar.LENGTH_SHORT).show();
        return;
    }

    if (mTag == -1) {
        Snackbar.make(mScrollView, getString(R.string.tag_not_null), Snackbar.LENGTH_SHORT).show();
        return;
    }

    Article article = new Article();
    article.setTitle(title);
    String desc = mArticleDescription.getText().toString().trim();
    article.setDesc(desc);
    article.setUrl(mArticleUrl.getText().toString());
    article.setTag(mTag);

    User user = AVUser.getCurrentUser(User.class);
    article.setUser(user);
    mArticleDataSource.saveArticle(article, new SaveCallback() {
        @Override
        public void onSaveSuccess() {
            Snackbar.make(mScrollView, getString(R.string.publish_success), Snackbar.LENGTH_SHORT).show();
        }

        @Override
        public void onSaveFailed(String errorMsg) {
            Snackbar.make(mScrollView, getString(R.string.publish_failed), Snackbar.LENGTH_SHORT).show();
        }
    });
}
 

@OnClick(R.id.favour)
public void onViewClicked() {
    isFavoured = !isFavoured;
    mFavour.setSelected(isFavoured);
    User user = AVUser.getCurrentUser(User.class);
    if (isFavoured) {
        UserArticleFavourMap.buildFavourMap(user, mArticle);
    } else {
        UserArticleFavourMap.breakFavourMap(user, mArticle);
    }
}
 

public Observable<String> uploadAvatar(final String path)
{
	return Observable.create(new Observable.OnSubscribe<String>()
	{
		@Override
		public void call(Subscriber<? super String> subscriber)
		{
			File file = new File(path);
			try
			{
				//对头像进行压缩
				Bitmap bitmap = FileUtils.compressImage(path, Constant.UPLOAD_AVATAR_WIDTH, Constant
								.UPLOAD_AVATAR_HEIGHT);
				ByteArrayOutputStream os = new ByteArrayOutputStream();
				bitmap.compress(Bitmap.CompressFormat.JPEG, 60, os);
				AVFile avatar = new AVFile(System.currentTimeMillis() + "", os.toByteArray());
				avatar.addMetaData("width", bitmap.getWidth());
				avatar.addMetaData("height", bitmap.getHeight());
				avatar.save();
				User user = AVUser.getCurrentUser(User.class);
				user.setAvatar(avatar);
				user.save();
				subscriber.onNext(path);
			} catch (Exception e)
			{
				e.printStackTrace();
				subscriber.onError(e);
			}
		}
	});
}
 

public static void createAddRequest(AVUser toUser) throws Exception {
	AVUser curUser = AVUser.getCurrentUser();
	AVQuery<AddRequest> q = AVObject.getQuery(AddRequest.class);
	q.whereEqualTo(AddRequest.FROM_USER, curUser);
	q.whereEqualTo(AddRequest.TO_USER, toUser);
	q.whereEqualTo(AddRequest.STATUS, AddRequest.STATUS_WAIT);
	int count = 0;
	try {
		count = q.count();
	} catch (AVException e) {
		e.printStackTrace();
		if (e.getCode() == AVException.OBJECT_NOT_FOUND) {
			count = 0;
		} else {
			throw e;
		}
	}
	if (count > 0) {
		throw new Exception(DemoApplication.context.getString(R.string.contact_alreadyCreateAddRequest));
	} else {
		AddRequest add = new AddRequest();
		add.setFromUser(curUser);
		add.setToUser(toUser);
		add.setStatus(AddRequest.STATUS_WAIT);
		add.save();
	}
}
 

public String getAvatarUrl(AVUser user) {
	AVFile avatar = user.getAVFile("avatar");
	if (avatar != null) {
		return avatar.getUrl();
	} else {
		return null;
	}
}
 

private void initViews() {
    User user = AVUser.getCurrentUser(User.class);
    if (user.isLikedAnswer(mAnswer.getObjectId())) {
        isUp = true;
        mThumbUp.setColorFilter(getResources().getColor(R.color.colorPrimary));
    }

    mQuestionTitle.setText(mAnswer.getQuestion().getTitle());
    mAnswerText.setText(mAnswer.getContent());
    mPublishDate.setText(DateUtils.getDateTimeFormat(mAnswer.getCreatedAt()));
}
 

private static List<String> getFriendIds() {
	List<AVUser> friends = DemoApplication.context.getFriends();
	List<String> ids = new ArrayList<String>();
	for (AVUser friend : friends) {
		ids.add(friend.getObjectId());
	}
	return ids;
}
 

private void logout() {
    new AlertDialog.Builder(this).setTitle(R.string.logout)
            .setMessage(R.string.confirm_logout)
            .setNegativeButton(R.string.cancel, null)
            .setPositiveButton(R.string.confirm, new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    AVUser.logOut();
                    navigateTo(LoginActivity.class);
                    EventBus.getDefault().post(new LogoutEvent());
                }
            }).show();
}
 

@Override
public void afterViewCreated(View view)
{
	EventBus.getDefault().register(this);
	//初始化 recyclerview
	mRvFriendList.setLayoutManager(mLayoutManager = new LinearLayoutManager(getActivity(),
					LinearLayoutManager.VERTICAL, false));
	mController.getFriends(AVUser.getCurrentUser(User.class).getUsername());
}