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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