LBs Approaching alert

Project directory

 

Class Code

 

Mylocation. Java

 

Package com. Swift. mylocation;

Import java. Io. ioexception;
Import java. util. List;
Import java. util. locale;

Import Android. App. pendingintent;

Import Android. content. context;
Import Android. content. intent;

Import Android. Location. address;
Import Android. Location. criteria;
Import Android. Location. geocoder;
Import Android. Location. location;
Import Android. Location. locationlistener;
Import Android. Location. locationmanager;
Import Android. OS. Bundle;

 

Import Android. widget. textview;
Import Android. widget. Toast;

Import com. Google. Android. Maps. geopoint;
Import com. Google. Android. Maps. mapactivity;
Import com. Google. Android. Maps. mapcontroller;
Import com. Google. Android. Maps. mapview;
Import com. Google. Android. Maps. overlay;
Import com. Swift. mylocation. R;

Public class mylocation extends mapactivity {

Mapcontroller;
List <overlay> overlays;
Mypositionoverlay positionoverlay;
Locationmanager;
Mapview mymapview;

Final string proximity_alert = new string (
"Android. Intent. Action. proximityalert ");

@ Suppresswarnings ("deprecation ")
@ Override
Public void oncreate (bundle icicle ){
Super. oncreate (icicle );
Setcontentview (R. layout. Main );

Mymapview = (mapview) findviewbyid (R. Id. mymapview );

Mapcontroller = mymapview. getcontroller ();

Mymapview. setsatellite (true );
Mymapview. setstreetview (true );
Mymapview. displayzoomcontrols (false );

Mapcontroller. setzoom (17 );

Positionoverlay = new mypositionoverlay ();
Overlays = mymapview. getoverlays ();
Overlays. Add (positionoverlay );

Criteria = new criteria ();
Criteria. setaccuracy (criteria. accuracy_fine );
Criteria. setaltituderequired (true );
Criteria. setbearingrequired (false );
Criteria. setcostallowed (false );
Criteria. setpowerrequirement (criteria. power_low );
Locationmanager = (locationmanager) getsystemservice (context. location_service );

String provider = locationmanager. getbestprovider (criteria, true );

Location = locationmanager. getlastknownlocation (provider );

Updatewithnewlocation (location );

Locationmanager. requestlocationupdates (provider, 2000, 10,
Locationlistener );
 
Setproximityalert ();

}

Private Final locationlistener = new locationlistener (){
@ Override
Public void onlocationchanged (location ){
Updatewithnewlocation (location );
}

@ Override
Public void onproviderdisabled (string provider ){
Updatewithnewlocation (null );
}

@ Override
Public void onproviderenabled (string provider ){
}

@ Override
Public void onstatuschanged (string provider, int status, bundle extras ){
}
};

 
 

Void setproximityalert (){

Double lat = 31.620356666666666;
Double lng = 121.38631333333333;
Float radius = 50f;
Long expiration =-1;

Intent intent = new intent (proximity_alert );
Intent. setaction (proximity_alert );
Pendingintent proximityintent = pendingintent. getbroadcast (this,-1,
Intent, 0 );

Locationmanager. addproximityalert (Lat, LNG, radius, expiration,
Proximityintent );

}

/** Update UI with a new location */
Private void updatewithnewlocation (location ){

String latlongstring;
Textview mylocationtext;
Mylocationtext = (textview) findviewbyid (R. Id. mylocationtext );
String addressstring = "no address Found ";
If (location! = NULL ){

Positionoverlay. setlocation (location );

Double geolat = location. getlatitude () * 1e6;
Double geolng = location. getlongdistance () * 1e6;
Geopoint point = new geopoint (geolat. intvalue (), geolng. intvalue ());
Mapcontroller. animateto (point );

Double lat = location. getlatitude ();
Double lng = location. getlong.pdf ();
Latlongstring = "Lat:" + lat + "\ nlong:" + LNG;
Double latitude = location. getlatitude ();
Double longpolling = location. getlongpolling ();

Geocoder GC = new geocoder (this, locale. China );
Try {
List <address> addresses = GC. getfromlocation (latitude,
Longpolling, 1 );
Stringbuilder sb = new stringbuilder ();
If (addresses. Size ()> 0 ){
Address = addresses. Get (0 );
For (INT I = 0; I <address. getmaxaddresslineindex (); I ++)
SB. append (address. getaddressline (I). append ("\ n ");
SB. append (address. getcountryname ());
SB. append (address. getlocality (). append ("\ n ");
}
Addressstring = sb. tostring ();
} Catch (ioexception e ){
}
} Else {
Latlongstring = "no location found ";
}
Mylocationtext. settext ("your current position is: \ n" + latlongstring
+ "\ N" + addressstring );

Toast. maketext (this, this. getintent (). getstringextra (proximity_alert), Toast. length_long );
}

@ Override
Protected Boolean isroutedisplayed (){
Return true;
}
}

 

Mypostionoverlay. Java

 

Package com. Swift. mylocation;

Import Android. Graphics. Canvas;
Import Android. Graphics. paint;
Import Android. Graphics. Point;
Import Android. Graphics. rectf;
Import Android. Location. location;

Import com. Google. Android. Maps. geopoint;
Import com. Google. Android. Maps. mapview;
Import com. Google. Android. Maps. overlay;
Import com. Google. Android. Maps. projection;

Public class mypositionoverlay extends overlay {

Location, mlocation;
Final double lat = 31.620356666666666*1e6,
Lon = 121.38631333333333*1e6;
Final int CCC = 50;
Private Final int mradius = 5;

/**
* @ Return the location
*/
Public location getlocation (){
Return location;
}

/**
* @ Param location
* The location to set
*/
Public void setlocation (location ){
This. Location = location;
}

@ Override
Public void draw (canvas, mapview, Boolean shadow ){
Projection projection = mapview. getprojection ();
If (shadow = false ){

Double latitude = location. getlatitude () * 1e6;
Double longpolling = location. getlongpolling () * 1e6;
Geopoint, GP;
Geopoint = new geopoint (latitude. intvalue (), longpolling. intvalue ());
Gp = new geopoint (lat. intvalue (), Lon. intvalue ());

Point point = new point ();
Projection. topixels (geopoint, point );
Rectf oval = new rectf (point. X-mradius, point. Y-mradius,
Point. x + mradius, point. Y + mradius );

Paint paint = new paint ();
Paint. setargb (250,255, 0, 0 );
Paint. setantialias (true );
Paint. setfakeboldtext (true );
Paint backpaint = new paint ();
Backpaint. setargb (175, 50, 50, 50 );
Backpaint. setantialias (true );
Rectf backrect = new rectf (point. x + 2 + mradius, point. Y-3
* Mradius, point. x + 65, point. Y + mradius );

Point center = new point ();

Projection. topixels (GP, center );

Paint CCP = new paint ();
CCP. setargb (250, 0, 0,255 );
CCP. setantialias (true );

Canvas. drawcircle (center. X, Center. Y, CCC, CCP );

Canvas. drawoval (oval, paint );
Canvas. drawroundrect (backrect, 5, 5, backpaint );
Canvas. drawtext ("here I am", point. x + 2 * mradius, point. Y, paint );

}
Super. Draw (canvas, mapview, shadow );
}

@ Override
Public Boolean ONTAP (geopoint point, mapview ){
Return false;
}
}

 

Proximityintentreceiver. Java

 

Package com. Swift. mylocation;

Import Android. content. broadcastreceiver;
Import Android. content. context;
Import Android. content. intent;
Import Android. Location. locationmanager;
Import Android. util. log;

Public class proximityintentreceiver extends broadcastreceiver {

Private final string textin = "alert: In", textout = "alert: Out ";

@ Override
Public void onreceive (context, intent ){
String key = locationmanager. key_proximity_entering;
Boolean isenter = intent. getbooleanextra (Key, false );
If (isenter ){
Log. D ("Allan", textin );


} Else {
Log. D ("Allan", textout );



}

}

}

 

 

 

Main. xml

 

<? XML version = "1.0" encoding = "UTF-8"?>
<Linearlayout
Xmlns: Android = "http://schemas.android.com/apk/res/android"
Android: Orientation = "vertical"
Android: layout_width = "fill_parent"
Android: layout_height = "fill_parent">
<Textview
Android: Id = "@ + ID/mylocationtext"
Android: layout_width = "fill_parent"
Android: layout_height = "wrap_content"
Android: text = "@ string/hello"
/>


<Com. Google. Android. Maps. mapview
Android: Id = "@ + ID/mymapview"
Android: layout_width = "fill_parent"
Android: layout_height = "fill_parent"
Android: enabled = "true"
Android: clickable = "true"
Android: apikey = "yourapikey"
/>
</Linearlayout>

Androidmanifest. xml

<? XML version = "1.0" encoding = "UTF-8"?>
<Manifest xmlns: Android = "http://schemas.android.com/apk/res/android" package = "com. Swift. mylocation">
<Application Android: icon = "@ drawable/icon">
<Uses-library Android: Name = "com. Google. Android. Maps"/>
<Activity Android: Name = "com. Swift. mylocation. mylocation" Android: Label = "@ string/app_name">
<Intent-filter>
<Action Android: Name = "android. Intent. Action. Main"/>
<Category Android: Name = "android. Intent. Category. launcher"/>
</Intent-filter>
</Activity>

<Cycler Android: Name = "proximityintentreceiver">
<Intent-filter>
<Action Android: Name = "android. Intent. Action. proximityalert"/>
</Intent-filter>
</Cycler>

</Application>

<Uses-Permission Android: Name = "android. Permission. access_coarse_location"/>
<Uses-Permission Android: Name = "android. Permission. Internet"/>
<Uses-Permission Android: Name = "android. Permission. access_fine_location"/>
<Uses-SDK Android: minsdkversion = "3"/>
</Manifest>