Android项目实战之百度地图地点签到功能

前言:先写个简单的地点签到功能,如果日后有时间细写的话,会更加好好研究一下百度地图api,做更多逻辑判断。

这里主要是调用百度地图中的场景定位中的签到场景。通过官方文档进行api集成。通过GPS的定位功能,获取地理位置,时间,用户名进行存储。之后通过日历显示历史签到记录。

效果图:

/**百度地图sdk**/

implementation files('libs/BaiduLBS_Android.jar')

/**日历选择器**/

implementation 'com.prolificinteractive:material-calendarview:1.4.3'

 签到布局:

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:background="@color/color_ffffff"

android:orientation="vertical"

tools:context=".activity.SignInActivity">

<LinearLayout

android:layout_width="match_parent"

android:layout_height="match_parent"

android:layout_margin="20dp"

android:orientation="vertical">

<TextView

android:id="@+id/sign_calendar"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:textColor="@color/color_000000"

android:textSize="18sp" />

<TextView

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:text="@string/check_in_area" />

<View style="@style/horizontal_line_style" />

<LinearLayout

android:id="@+id/line_sign_result"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_margin="5dp"

android:orientation="horizontal"

android:visibility="gone">

<ImageView

android:layout_width="40dp"

android:layout_height="40dp"

android:layout_margin="5dp"

android:src="@mipmap/sign_in_address" />

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="vertical">

<TextView

android:id="@+id/sign_in_result"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_margin="2dp"

android:textColor="@color/color_000000"

android:textSize="20sp" />

<LinearLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:orientation="horizontal">

<TextView

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_marginLeft="5dp"

android:text="@string/sign_in_time" />

<TextView

android:id="@+id/sign_in_time"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

</LinearLayout>

<TextView

android:id="@+id/sign_address"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

<Button

android:id="@+id/btn_sign_again"

android:layout_width="120dp"

android:layout_height="40dp"

android:layout_centerHorizontal="true"

android:layout_marginTop="10dp"

android:background="@drawable/btn_round_border"

android:text="@string/sign_again"

android:textAllCaps="false"

android:textColor="@color/colorPrimary"

android:textSize="15sp" />

</LinearLayout>

</LinearLayout>

<Button

android:id="@+id/btn_sign_in"

style="@style/style_button"

android:layout_gravity="center_vertical|center_horizontal"

android:layout_marginTop="50dp"

android:background="@drawable/btn_negative_nomal"

android:text="@string/signIn"

android:visibility="gone" />

</LinearLayout>

</LinearLayout>

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();

}

/**

* 查询今日签到状态

*/

private void querySignInState() {

BmobQuery<SignIn> signInBmobQuery = new BmobQuery<SignIn>();

signInBmobQuery.addWhereEqualTo("username", myUser.getUsername());

signInBmobQuery.addWhereEqualTo("date", FormatUtils.getDateTimeString(Calendar.getInstance().getTime(), FormatUtils.template_Date));

signInBmobQuery.findObjects(new FindListener<SignIn>() {

@Override

public void done(List<SignIn> 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);

// 注册监听

mLocationService.registerListener(mListener);

LocationClientOption option = mLocationService.getOption();

// 签到场景 只进行一次定位返回最接近真实位置的定位结果(定位速度可能会延迟1-3s)

option.setLocationPurpose(LocationClientOption.BDLocationPurpose.SignIn);

// 设置定位参数

mLocationService.setLocationOption(option);

}

/*****

*

* 定位结果回调,重写onReceiveLocation方法

*

*/

private BDAbstractLocationListener mListener = new BDAbstractLocationListener() {

/**

* 定位请求回调函数

*

* @param location 定位结果

*/

@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(); //获取详细地址信息

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:

}

}

/**

* 更新签到数据

* @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));

}

}

});

}

/**

* 保存签到数据

* @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<String>() {

@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));

}

}

});

}

/**

* 签到

*/

private void signIn() {

if (mLocationService.isStart()) {

mLocationService.requestLocation();

return;

}

//签到只需调用startLocation即可

mLocationService.start();

}

@Override

protected void onDestroy() {

super.onDestroy();

if (mLocationService != null) {

mLocationService.unregisterListener(mListener);

mLocationService.stop();

}

}

}

历史签到布局

<?xml version="1.0" encoding="utf-8"?>

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:background="@color/color_ffffff"

tools:context=".activity.MySignInActivity">

<LinearLayout

android:layout_width="match_parent"

android:layout_height="match_parent"

android:layout_margin="10dp"

android:orientation="vertical">

<com.prolificinteractive.materialcalendarview.MaterialCalendarView

android:id="@+id/materialCalendarView_sign_in"

android:layout_width="match_parent"

android:layout_height="300dp"

android:background="@color/white"

android:clipChildren="false"

app:mcv_calendarMode="month"

app:mcv_dateTextAppearance="@style/MaterialCalendarTextStyelNormal"

app:mcv_firstDayOfWeek="sunday"

app:mcv_selectionColor="#D203A9F4"

app:mcv_showOtherDates="all"

app:mcv_tileSize="match_parent"

app:mcv_tileWidth="match_parent" />

<View

style="@style/horizontal_line_style"/>

<LinearLayout

android:id="@+id/line_my_sign_in"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_margin="15dp"

android:visibility="gone"

android:orientation="horizontal">

<ImageView

android:layout_width="40dp"

android:layout_height="40dp"

android:layout_margin="5dp"

android:src="@mipmap/sign_in_address" />

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="vertical">

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content">

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:textColor="@color/color_000000"

android:textSize="18sp"

android:text="@string/sign_in_time"/>

<TextView

android:id="@+id/my_sign_in_date"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:textColor="@color/color_000000"

android:textSize="18sp"

android:layout_marginLeft="5dp"/>

<TextView

android:id="@+id/my_sign_in_time"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:textColor="@color/color_000000"

android:textSize="18sp"

android:layout_marginLeft="5dp"/>

</LinearLayout>

<TextView

android:id="@+id/my_sign_in_address"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginLeft="5dp"/>

</LinearLayout>

</LinearLayout>

</LinearLayout>

</androidx.constraintlayout.widget.ConstraintLayout>

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<CalendarDay> 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<SignIn> signInBmobQuery = new BmobQuery<SignIn>();

signInBmobQuery.addWhereEqualTo("username", myUser.getUsername());

signInBmobQuery.findObjects(new FindListener<SignIn>() {

@Override

public void done(List<SignIn> 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<SignIn> signInBmobQuery = new BmobQuery<SignIn>();

signInBmobQuery.addWhereEqualTo("username", myUser.getUsername());

signInBmobQuery.addWhereEqualTo("date", FormatUtils.getDateTimeString(calendar.getTime(), FormatUtils.template_Date));

signInBmobQuery.findObjects(new FindListener<SignIn>() {

@Override

public void done(List<SignIn> 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));

}

}

});

}

}

日历小圆点装饰,重写 DayViewDecorator

public class EventDecorator implements DayViewDecorator {

private int color;

private HashSet<CalendarDay> dates;

public EventDecorator(int color, Collection<CalendarDay> 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));

}

}

总结

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