Android如何實現(xiàn)百度地圖地點簽到功能
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前言:先寫個簡單的地點簽到功能，如果日后有時間細(xì)寫的話，會更加好好研究一下百度地圖api,做更多邏輯判斷。
這里主要是調(diào)用百度地圖中的場景定位中的簽到場景。通過官方文檔進(jìn)行api集成。通過GPS的定位功能，獲取地理位置，時間，用戶名進(jìn)行存儲。之后通過日歷顯示歷史簽到記錄。
效果圖：
/**百度地圖sdk**/
implementation files('libs/BaiduLBS_Android.jar')
/**日歷選擇器**/
implementation 'com.prolificinteractive:material-calendarview:1.4.3'簽到布局：
<?xml version="1.0" encoding="utf-8"?>
SignInActivity.java
public class SignInActivity extends BaseActivity {
@BindView(R.id.sign_calendar)
TextView signCalender;
@BindView(R.id.line_sign_result)
LinearLayout lineSignResult;
@BindView(R.id.sign_in_result)
TextView signInResult;
@BindView(R.id.sign_in_time)
TextView signInTime;
@BindView(R.id.sign_address)
TextView signAddress;
@BindView(R.id.btn_sign_in)
Button btnSignIn;
private LocationService mLocationService;
private boolean isAgain = false;
SignIn signIn = new SignIn();
MyUser myUser = BmobUser.getCurrentUser(MyUser.class);
@Override
protected int contentViewID() {
return R.layout.activity_sign_in;
}
@Override
protected void initialize() {
setTopTitle(getString(R.string.signIn), true);
setLeftBtnFinish();
setDate();
setLocation();
querySignInState();
}
/**
* 查詢今日簽到狀態(tài)
*/
private void querySignInState() {
BmobQuery signInBmobQuery = new BmobQuery();
signInBmobQuery.addWhereEqualTo("username", myUser.getUsername());
signInBmobQuery.addWhereEqualTo("date", FormatUtils.getDateTimeString(Calendar.getInstance().getTime(), FormatUtils.template_Date));
signInBmobQuery.findObjects(new FindListener() {
@Override
public void done(List object, BmobException e) {
if (e == null) {
if (object.isEmpty()){
isAgain = false;
btnSignIn.setVisibility(View.VISIBLE);
} else {
isAgain = true;
SignIn signIn = object.get(0);
btnSignIn.setVisibility(View.GONE);
lineSignResult.setVisibility(View.VISIBLE);
signAddress.setText(signIn.getAddress());
signInTime.setText(signIn.getTime());
signInResult.setText(getString(R.string.sign_in_success));
}
} else {
isAgain = false;
}
}
});
}
private void setLocation() {
// 初始化 LocationClient
mLocationService = new LocationService(this);
// 注冊監(jiān)聽
mLocationService.registerListener(mListener);
LocationClientOption option = mLocationService.getOption();
// 簽到場景 只進(jìn)行一次定位返回最接近真實位置的定位結(jié)果（定位速度可能會延遲1-3s）
option.setLocationPurpose(LocationClientOption.BDLocationPurpose.SignIn);
// 設(shè)置定位參數(shù)
mLocationService.setLocationOption(option);
}
/*****
*
* 定位結(jié)果回調(diào)，重寫onReceiveLocation方法
*
*/
private BDAbstractLocationListener mListener = new BDAbstractLocationListener() {
/**
* 定位請求回調(diào)函數(shù)
*
* @param location 定位結(jié)果
*/
@Override
public void onReceiveLocation(BDLocation location) {
if (null != location && location.getLocType() != BDLocation.TypeServerError &&
location.getLocType() != BDLocation.TypeOffLineLocationFail &&
location.getLocType() != BDLocation.TypeCriteriaException) {
String address = location.getAddrStr(); //獲取詳細(xì)地址信息
if (!isAgain) {
saveSignIn(address);
} else {
updateSignIn(address);
}
} else {
signInResult.setText(getString(R.string.sign_in_failure));
}
}
};
private void setDate() {
String dateString = FormatUtils.getDateTimeString(Calendar.getInstance().getTime(), FormatUtils.template_Date);
String weekString = DateUtils.getDayOfWeek();
String CalendarString = dateString + " " + weekString;
signCalender.setText(CalendarString);
}
@OnClick({R.id.btn_sign_in, R.id.btn_sign_again})
public void onClick(View view) {
switch (view.getId()) {
case R.id.btn_sign_in:
signIn();
break;
case R.id.btn_sign_again:
isAgain = true;
signIn();
break;
default:
}
}
/**
* 更新簽到數(shù)據(jù)
* @param address
*/
private void updateSignIn(String address) {
Calendar calendar = Calendar.getInstance();
SignIn newSignIn = new SignIn();
newSignIn.setUsername(myUser.getUsername());
newSignIn.setAddress(address);
signIn.setDate(FormatUtils.getDateTimeString(calendar.getTime(), FormatUtils.template_Date));
signIn.setTime(FormatUtils.getDateTimeString(calendar.getTime(), FormatUtils.template_Time));
newSignIn.update(signIn.getObjectId(), new UpdateListener() {
@Override
public void done(BmobException e) {
if (e == null) {
signAddress.setText(address);
signInTime.setText(FormatUtils.getDateTimeString(Calendar.getInstance().getTime(), FormatUtils.template_Time));
signInResult.setText(getString(R.string.sign_in_success));
ToastUtils.showShort(SignInActivity.this, getString(R.string.sign_in_success));
} else {
ToastUtils.showShort(SignInActivity.this, getString(R.string.sign_in_failure));
}
}
});
}
/**
* 保存簽到數(shù)據(jù)
* @param address
*/
private void saveSignIn(String address) {
Calendar calendar = Calendar.getInstance();
signIn.setUsername(myUser.getUsername());
signIn.setAddress(address);
signIn.setDate(FormatUtils.getDateTimeString(calendar.getTime(), FormatUtils.template_Date));
signIn.setTime(FormatUtils.getDateTimeString(calendar.getTime(), FormatUtils.template_Time));
signIn.save(new SaveListener() {
@Override
public void done(String s, BmobException e) {
if (e == null) {
btnSignIn.setVisibility(View.GONE);
lineSignResult.setVisibility(View.VISIBLE);
signAddress.setText(address);
signInTime.setText(FormatUtils.getDateTimeString(Calendar.getInstance().getTime(), FormatUtils.template_Time));
signInResult.setText(getString(R.string.sign_in_success));
ToastUtils.showShort(SignInActivity.this, getString(R.string.sign_in_success));
} else {
ToastUtils.showShort(SignInActivity.this, getString(R.string.sign_in_failure));
}
}
});
}
/**
* 簽到
*/
private void signIn() {
if (mLocationService.isStart()) {
mLocationService.requestLocation();
return;
}
//簽到只需調(diào)用startLocation即可
mLocationService.start();
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mLocationService != null) {
mLocationService.unregisterListener(mListener);
mLocationService.stop();
}
}
} 歷史簽到布局
<?xml version="1.0" encoding="utf-8"?>
MySignInActivity.java
public class MySignInActivity extends BaseActivity implements OnDateSelectedListener {
@BindView(R.id.my_sign_in_date)
TextView mySignInDate;
@BindView(R.id.my_sign_in_time)
TextView mySignInTime;
@BindView(R.id.my_sign_in_address)
TextView mySignInAddress;
@BindView(R.id.line_my_sign_in)
LinearLayout lineMySignIn;
@BindView(R.id.materialCalendarView_sign_in)
MaterialCalendarView widget;
MyUser myUser = BmobUser.getCurrentUser(MyUser.class);
private List calendarDays = new ArrayList<>();
@Override
protected int contentViewID() {
return R.layout.activity_my_sign_in;
}
@Override
protected void initialize() {
setTopTitle(getString(R.string.my_sign_in), true);
setLeftBtnFinish();
widget.setSelectedDate(CalendarDay.today());
widget.state().edit().setMaximumDate(CalendarDay.today()).commit();
widget.setOnDateChangedListener(this);
initDate();
querySignInState(Calendar.getInstance());
}
private void initDate() {
BmobQuery signInBmobQuery = new BmobQuery();
signInBmobQuery.addWhereEqualTo("username", myUser.getUsername());
signInBmobQuery.findObjects(new FindListener() {
@Override
public void done(List object, BmobException e) {
if (e == null) {
if (!object.isEmpty()) {
for (SignIn signIn : object) {
Date date = DateUtils.strToDate(signIn.getDate() + " " + signIn.getTime());
calendarDays.add(CalendarDay.from(date));
}
widget.addDecorator(new EventDecorator(ContextCompat.getColor(MySignInActivity.this, R.color.color_1396aa), calendarDays));
}
} else {
LogUtils.e(e.getMessage());
ToastUtils.showShort(MySignInActivity.this, getString(R.string.query_failure));
}
}
});
}
@Override
public void onDateSelected(@NonNull MaterialCalendarView widget, @NonNull CalendarDay date, boolean selected) {
querySignInState(date.getCalendar());
}
private void querySignInState(Calendar calendar) {
BmobQuery signInBmobQuery = new BmobQuery();
signInBmobQuery.addWhereEqualTo("username", myUser.getUsername());
signInBmobQuery.addWhereEqualTo("date", FormatUtils.getDateTimeString(calendar.getTime(), FormatUtils.template_Date));
signInBmobQuery.findObjects(new FindListener() {
@Override
public void done(List object, BmobException e) {
if (e == null) {
if (!object.isEmpty()) {
lineMySignIn.setVisibility(View.VISIBLE);
SignIn signIn = object.get(0);
mySignInDate.setText(signIn.getDate());
mySignInTime.setText(signIn.getTime());
mySignInAddress.setText(signIn.getAddress());
} else {
lineMySignIn.setVisibility(View.GONE);
}
} else {
ToastUtils.showShort(MySignInActivity.this, getString(R.string.query_failure));
}
}
});
}
} 日歷小圓點裝飾，重寫 DayViewDecorator
public class EventDecorator implements DayViewDecorator {
private int color;
private HashSet dates;
public EventDecorator(int color, Collection dates) {
this.color = color;
this.dates = new HashSet<>(dates);
}
@Override
public boolean shouldDecorate(CalendarDay day) {
return dates.contains(day);
}
@Override
public void decorate(DayViewFacade view) {
view.addSpan(new DotSpan(7, color));
}
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