I am developing an app, I created google map api but it doesn't shows map in application.Following is the code which i'm using.When i open the app map unable to show the current location.I want to show the current location of user.How do i do this?
java
public class Maps_Activity extends FragmentActivity implements
OnMapReadyCallback,
GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener,
GoogleMap.OnMarkerDragListener,
GoogleMap.OnMapLongClickListener,
View.OnClickListener {
//Our Map
private GoogleMap mMap;
public static final int REQUEST_ID_ACCESS_COURSE_FINE_LOCATION = 100;
//To store longitude and latitude from map
private double longitude;
private double latitude;
String caddress;
//Buttons
private ImageButton buttonSave;
private ImageButton buttonCurrent;
private ImageButton buttonView;
private Button btnProceed, btnskip, btnClocation;
String strAdd;
TextView tvmap,textview;
private boolean loggedIn = false;
public static String email;
private ProgressDialog myProgress;
//Google ApiClient
private GoogleApiClient googleApiClient;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_maps);
tvmap=(TextView)findViewById(R.id.tv_map);
textview=(TextView)findViewById(R.id.textView_euser);
//progress bar
myProgress = new ProgressDialog(this);
myProgress.setTitle("Map Loading ...");
myProgress.setMessage("Please wait...");
myProgress.setCancelable(true);
// Display Progress Bar.
myProgress.show();
// Obtain the SupportMapFragment and get notified when the map is ready to be used.
SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
//Initializing googleapi client
googleApiClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.addApi(LocationServices.API)
.build();
//googleapi gps
/* googleApiClient = new GoogleApiClient
.Builder(this)
.enableAutoManage(this, 34992, this)
.addApi(LocationServices.API)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.build();
locationChecker(googleApiClient, MapsActivity.this); */
//Initializing views and adding onclick listeners
btnProceed=(Button)findViewById(R.id.button_proceed);
btnskip=(Button)findViewById(R.id.button_skip);
// btnClocation=(Button)findViewById(R.id.button_clocation);
btnProceed.setOnClickListener(this);
btnskip.setOnClickListener(this);
// btnClocation.setOnClickListener(this);
SharedPreferences sharedPreferences = getSharedPreferences(Config.SHARED_PREF_NAME, Context.MODE_PRIVATE);
loggedIn = sharedPreferences.getBoolean(Config.LOGGEDIN_SHARED_PREF, false);
email = sharedPreferences.getString(Config.EMAIL_SHARED_PREF, "Not Available");
textview.setText(email);
}
@Override
protected void onResume() {
LocationManager mlocManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
boolean enabled = mlocManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
if(!enabled) {
showDialogGPS();
}
super.onResume();
}
private void showDialogGPS() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setCancelable(false);
builder.setTitle("Enable GPS");
builder.setMessage("Please enable GPS");
builder.setInverseBackgroundForced(true);
builder.setPositiveButton("Enable", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
startActivity(
new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS));
getCurrentLocation();
moveMap();
}
});
builder.setNegativeButton("Ignore", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
AlertDialog alert = builder.create();
alert.show();
}
@Override
public void onClick(View v) {
if(v == btnProceed){
// getCurrentLocation();
// moveMap();
if (loggedIn) {
//We will start the Profile Activity
submitForm();
Intent i=new Intent(Maps_Activity.this,Search_ActivityND.class);
startActivity(i);
}
}
else if(v == btnskip){
btnclick_skip();
}
/* else if(v == btnClocation){
getCurrentLocation();
moveMap();
}*/
}
//dalete alert
private void btnclick_skip(){
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
alertDialogBuilder.setMessage("Are you fine this Location?");
alertDialogBuilder.setPositiveButton("Yes",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
// new JSONParserD().execute();
//Starting login activity
Intent intent = new Intent(Maps_Activity.this, Search_ActivityND.class);
startActivity(intent);
// if (loggedIn) {
// Intent intent = new Intent(MapsActivity.this, Home.class);
// startActivity(intent);
// }
}
});
alertDialogBuilder.setNegativeButton("No",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
}
});
//Showing the alert dialog
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
}
//saving to database
private void submitForm() {
caddress = tvmap.getText().toString();
email = textview.getText().toString();
// Toast.makeText(this, "Signing up...", Toast.LENGTH_SHORT).show();
new MapAsync(this).execute(caddress,email);
}
@Override
protected void onStart() {
googleApiClient.connect();
super.onStart();
}
@Override
protected void onStop() {
googleApiClient.disconnect();
super.onStop();
}
//Getting current location
private void getCurrentLocation() {
mMap.clear();
//Creating a location object
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
Location location = LocationServices.FusedLocationApi.getLastLocation(googleApiClient);
if (location != null) {
//Getting longitude and latitude
longitude = location.getLongitude();
latitude = location.getLatitude();
// tvmap.setText("Latitude:" + location.getLatitude() + ", Longitude:" + location.getLongitude());
strAdd = getCompleteAddressString(latitude, longitude);
tvmap.setText("Current Address : " + strAdd);
//moving the map to location
moveMap();
}
}
//Function to move the map
private void moveMap() {
//String to display current latitude and longitude
String msg = latitude + ", "+longitude;
//Creating a LatLng Object to store Coordinates
LatLng latLng = new LatLng(latitude, longitude);
//Adding marker to map
mMap.addMarker(new MarkerOptions()
.position(latLng) //setting position
.draggable(true) //Making the marker draggable
.title("Current Location")); //Adding a title
//Moving the camera
mMap.moveCamera(CameraUpdateFactory.newLatLng(latLng));
//Animating the camera
mMap.animateCamera(CameraUpdateFactory.zoomTo(15));
//Displaying current coordinates in toast
// Toast.makeText(this, msg, Toast.LENGTH_LONG).show();
}
@Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
LatLng latLng = new LatLng(-34, 151);
mMap.addMarker(new MarkerOptions().position(latLng).draggable(true));
mMap.moveCamera(CameraUpdateFactory.newLatLng(latLng));
mMap.setOnMarkerDragListener(this);
mMap.setOnMapLongClickListener(this);
}
@Override
public void onConnected(Bundle bundle) {
getCurrentLocation();
myProgress.dismiss();
}
@Override
public void onConnectionSuspended(int i) {
}
@Override
public void onConnectionFailed(ConnectionResult connectionResult) {
}
@Override
public void onMapLongClick(LatLng latLng) {
//Clearing all the markers
mMap.clear();
//Adding a new marker to the current pressed position
mMap.addMarker(new MarkerOptions()
.position(latLng)
.draggable(true));
}
@Override
public void onMarkerDragStart(Marker marker) {
}
@Override
public void onMarkerDrag(Marker marker) {
}
@Override
public void onMarkerDragEnd(Marker marker) {
//Getting the coordinates
latitude = marker.getPosition().latitude;
longitude = marker.getPosition().longitude;
//Moving the map
moveMap();
}
private String getCompleteAddressString(double LATITUDE, double LONGITUDE) {
String strAdd = "";
Geocoder geocoder = new Geocoder(this, Locale.getDefault());
try {
List<Address> addresses = geocoder
.getFromLocation(LATITUDE, LONGITUDE, 1);
if (addresses != null) {
android.location.Address returnedAddress = addresses.get(0);
StringBuilder strReturnedAddress = new StringBuilder("");
for (int i = 0; i < returnedAddress.getMaxAddressLineIndex(); i++) {
strReturnedAddress
.append(returnedAddress.getAddressLine(i)).append(
"\n");
}
strAdd = strReturnedAddress.toString();
// Log.w("My Current loction address",
// "" + strReturnedAddress.toString());
} else {
// Log.w("My Current loction address", "No Address returned!");
}
} catch (Exception e) {
e.printStackTrace();
// Log.w("My Current loction address", "Canont get Address!");
}
return strAdd;
}
}
manifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.user.mangoair_t">
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/Theme.AppCompat.Light.NoActionBar">
<meta-data
android:name="com.google.android.geo.API_KEY"
android:value="api"/>
<activity
android:name=".Splash_activity"
android:label="@string/app_name"
android:theme="@style/AppTheme.NoActionBar">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".Index_Activity"
android:label="Login_Activity">
</activity>
<activity android:name=".Search_ActivityND"
android:label="Search Cab">
</activity>
<activity android:name=".Maps_Activity"
android:label="Map">
</activity>
</application>
</manifest>
xml
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".Maps_Activity">
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:map="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/map"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="net.simplifiedcoding.mymapapp.MapsActivity" />
<include layout="@layout/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"></include>
<!--
<SearchView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/searchView"
android:background="#ffffff"
android:orientation="horizontal"
android:layout_gravity="left|top" /> -->
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="20sp"
android:textColor="#000000"
android:background="#ffffff"
android:orientation="horizontal"
android:hint="Your PickUp Address"
android:id="@+id/tv_map"
android:layout_marginTop="60dp"
android:layout_gravity="center_horizontal|top" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/white"
android:orientation="horizontal"
android:layout_gravity="right|bottom"
android:weightSum="1">
<Button
android:layout_width="100dp"
android:layout_height="wrap_content"
android:text="Skip"
android:layout_marginLeft="10dp"
android:id="@+id/button_skip" />
<Button
android:layout_width="139dp"
android:layout_height="wrap_content"
android:text="Procced"
android:layout_marginRight="20dp"
android:id="@+id/button_proceed" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="email"
android:id="@+id/textView_euser" />
</LinearLayout>
</FrameLayout>
