Uber Like Setting Location by dragging a map in Android

activity_main.xml

<RelativeLayout 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" >

    <fragment
        android:id="@+id/map"
        android:name="com.rajeshvijayakumar.map.demo.ui.CustomMapFragment"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <include
        android:id="@+id/marker_view_incl"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        layout="@layout/marker_view" />

    <include
        android:id="@+id/location_display_incl"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_margin="7dp"
        layout="@layout/location_display_view" />

</RelativeLayout>

 marker_view.xml 

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >

    <ImageView
        android:id="@+id/marker_icon_view"
        android:layout_width="60dp"
        android:layout_height="60dp"
        android:layout_centerInParent="true"
        android:layout_marginTop="162dp"
        android:contentDescription="@string/app_name"
        android:src="@drawable/ic_launcher" />

</RelativeLayout>

location_display_view.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="60dp"
    android:background="@android:color/white" >

    <TextView
        android:id="@+id/text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:gravity="center"
        android:text="Set Location"
        android:textColor="@android:color/holo_green_dark"
        android:textSize="12sp" />

    <TextView
        android:id="@+id/location_text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/text_view"
        android:layout_centerHorizontal="true"
        android:gravity="center"
        android:text="Set Location"
        android:textColor="@android:color/black"
        android:textSize="14sp" />

</RelativeLayout>

MapWrapperLayout.java

 package com.rajeshvijayakumar.map.demo.wrapper;

import android.content.Context;
import android.view.MotionEvent;
import android.widget.FrameLayout;

public class MapWrapperLayout extends FrameLayout {

    public interface OnDragListener {
        public void onDrag(MotionEvent motionEvent);
    }

    private OnDragListener mOnDragListener;

    public MapWrapperLayout(Context context) {
        super(context);
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {
        if (mOnDragListener != null) {
            mOnDragListener.onDrag(ev);
        }
        return super.dispatchTouchEvent(ev);
    }

    public void setOnDragListener(OnDragListener mOnDragListener) {
        this.mOnDragListener = mOnDragListener;
    }
}

CustomMapFragment.java

 package com.rajeshvijayakumar.map.demo.ui;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.google.android.gms.maps.MapFragment;
import com.rajeshvijayakumar.map.demo.wrapper.MapWrapperLayout;

public class CustomMapFragment extends MapFragment {

    private View mOriginalView;
    private MapWrapperLayout mMapWrapperLayout;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        mOriginalView = super.onCreateView(inflater, container, savedInstanceState);

        mMapWrapperLayout = new MapWrapperLayout(getActivity());
        mMapWrapperLayout.addView(mOriginalView);

        return mMapWrapperLayout;
}

    @Override
    public View getView() {
        return mOriginalView;
    }

    public void setOnDragListener(MapWrapperLayout.OnDragListener onDragListener) {
        mMapWrapperLayout.setOnDragListener(onDragListener);
    }
}

MainActivity.java

package com.rajeshvijayakumar.map.demo;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import android.app.Activity;
import android.graphics.Point;
import android.location.Address;
import android.location.Geocoder;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.rajeshvijayakumar.map.demo.R;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.Projection;
import com.google.android.gms.maps.model.LatLng;
import com.rajeshvijayakumar.map.demo.ui.CustomMapFragment;
import com.rajeshvijayakumar.map.demo.wrapper.MapWrapperLayout.OnDragListener;

public class MainActivity extends Activity implements OnDragListener {

    // Google Map
    private GoogleMap googleMap;
    private CustomMapFragment mCustomMapFragment;

    private View mMarkerParentView;
    private ImageView mMarkerImageView;

    private int imageParentWidth = -1;
    private int imageParentHeight = -1;
    private int imageHeight = -1;
    private int centerX = -1;
    private int centerY = -1;

    private TextView mLocationTextView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // InitializeUI
        initializeUI();

    }

    private void initializeUI() {

        try {
            // Loading map
            initilizeMap();

        } catch (Exception e) {
            e.printStackTrace();
        }
        mLocationTextView = (TextView) findViewById(R.id.location_text_view);
        mMarkerParentView = findViewById(R.id.marker_view_incl);
        mMarkerImageView = (ImageView) findViewById(R.id.marker_icon_view);
    }

    @Override
    public void onWindowFocusChanged(boolean hasFocus) {
        DisplayMetrics displaymetrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);

        imageParentWidth = mMarkerParentView.getWidth();
        imageParentHeight = mMarkerParentView.getHeight();
        imageHeight = mMarkerImageView.getHeight();

        centerX = imageParentWidth / 2;
        centerY = (imageParentHeight / 2) + (imageHeight / 2);
    }

    private void initilizeMap() {
        if (googleMap == null) {
            mCustomMapFragment = ((CustomMapFragment) getFragmentManager()
                    .findFragmentById(R.id.map));
            mCustomMapFragment.setOnDragListener(MainActivity.this);
            googleMap = mCustomMapFragment.getMap();
            // check if map is created successfully or not
            if (googleMap == null) {
                Toast.makeText(getApplicationContext(),
                        "Sorry! unable to create maps", Toast.LENGTH_SHORT)
                        .show();
            }
        }
        // CameraUpdate cameraUpdate = CameraUpdateFactory.newLatLngZoom(latLng,
        // 10);
        // googleMap.animateCamera(cameraUpdate);
        // locationManager.removeUpdates(this);
    }

    @Override
    protected void onResume() {
        super.onResume();
    }

    @Override
    public void onDrag(MotionEvent motionEvent) {
        if (motionEvent.getAction() == MotionEvent.ACTION_UP) {
            Projection projection = (googleMap != null && googleMap
                    .getProjection() != null) ? googleMap.getProjection()
                    : null;
            //
            if (projection != null) {
                LatLng centerLatLng = projection.fromScreenLocation(new Point(
                        centerX, centerY));
                updateLocation(centerLatLng);
            }
        }
    }

    private void updateLocation(LatLng centerLatLng) {
        if (centerLatLng != null) {
            Geocoder geocoder = new Geocoder(MainActivity.this,
                    Locale.getDefault());

            List<Address> addresses = new ArrayList<Address>();
            try {
                addresses = geocoder.getFromLocation(centerLatLng.latitude,
                        centerLatLng.longitude, 1);
            } catch (IOException e) {
                e.printStackTrace();
            }

            if (addresses != null && addresses.size() > 0) {

                String addressIndex0 = (addresses.get(0).getAddressLine(0) != null) ? addresses
                        .get(0).getAddressLine(0) : null;
                String addressIndex1 = (addresses.get(0).getAddressLine(1) != null) ? addresses
                        .get(0).getAddressLine(1) : null;
                String addressIndex2 = (addresses.get(0).getAddressLine(2) != null) ? addresses
                        .get(0).getAddressLine(2) : null;
                String addressIndex3 = (addresses.get(0).getAddressLine(3) != null) ? addresses
                        .get(0).getAddressLine(3) : null;

                String completeAddress = addressIndex0 + "," + addressIndex1;

                if (addressIndex2 != null) {
                    completeAddress += "," + addressIndex2;
                }
                if (addressIndex3 != null) {
                    completeAddress += "," + addressIndex3;
                }
                if (completeAddress != null) {
                    mLocationTextView.setText(completeAddress);
                }
            }
        }
    }
}

Expected Output :

 

PayuMoney Integration Example in Android

PayUMoneyActivity.java

@SuppressLint("SetJavaScriptEnabled")
public class PayUMoneyActivityextends Activity {

    WebView webView;

    String merchant_key = "JBZaLc";
    String salt = "GQs7yium";
    String action1 = "";
    String base_url = "https://test.payu.in";
    // int error = 0;
    // String hashString = "";
    // Map<String, String> params;
    String txnid = "TXN8367286482920";
    String amount = "1000";
    String productInfo = "";
    String firstName = "Rajesh";
    String emailId = "rajeshmcashc10@gmail.com";

    private String SUCCESS_URL = "<Your Transaction SuccessPage Url>";
    private String FAILED_URL = "<Your Transaction FailedPage URL>";
    private String phone = "<Your Mobile No>";
    private String serviceProvider = "payu_paisa";
    private String hash = "";

    Handler mHandler = new Handler();

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        getWindow().requestFeature(Window.FEATURE_PROGRESS);
        webView = new WebView(this);
        setContentView(webView);

        JSONObject productInfoObj = new JSONObject();
        JSONArray productPartsArr = new JSONArray();
        JSONObject productPartsObj1 = new JSONObject();
        JSONObject paymentIdenfierParent = new JSONObject();
        JSONArray paymentIdentifiersArr = new JSONArray();
        JSONObject paymentPartsObj1 = new JSONObject();
        JSONObject paymentPartsObj2 = new JSONObject();
        try {
            // Payment Parts
            productPartsObj1.put("name", "abc");
            productPartsObj1.put("description", "abcd");
            productPartsObj1.put("value", "1000");
            productPartsObj1.put("isRequired", "true");
            productPartsObj1.put("settlementEvent", "EmailConfirmation");
            productPartsArr.put(productPartsObj1);
            productInfoObj.put("paymentParts", productPartsArr);

            // Payment Identifiers
            paymentPartsObj1.put("field", "CompletionDate");
            paymentPartsObj1.put("value", "31/10/2012");
            paymentIdentifiersArr.put(paymentPartsObj1);

            paymentPartsObj2.put("field", "TxnId");
            paymentPartsObj2.put("value", txnid);
            paymentIdentifiersArr.put(paymentPartsObj2);

            paymentIdenfierParent.put("paymentIdentifiers",
                    paymentIdentifiersArr);
            productInfoObj.put("", paymentIdenfierParent);
        } catch (JSONException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        productInfo = productInfoObj.toString();

        Log.e("TAG", productInfoObj.toString());
      
        Random rand = new Random();
        String rndm = Integer.toString(rand.nextInt())
                + (System.currentTimeMillis() / 1000L);
        txnid = hashCal("SHA-256", rndm).substring(0, 20);
      
        hash = hashCal("SHA-512", merchant_key + "|" + txnid + "|" + amount
                + "|" + productInfo + "|" + firstName + "|" + emailId
                + "|||||||||||" + salt);

        action1 = base_url.concat("/_payment");

        webView.setWebViewClient(new WebViewClient() {

            @Override
            public void onReceivedError(WebView view, int errorCode,
                    String description, String failingUrl) {
                // TODO Auto-generated method stub
                Toast.makeText(activity, "Oh no! " + description,
                        Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onReceivedSslError(WebView view,
                    SslErrorHandler handler, SslError error) {
                // TODO Auto-generated method stub
                Toast.makeText(activity, "SslError! " + error,
                        Toast.LENGTH_SHORT).show();
                handler.proceed();
            }

            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                Toast.makeText(activity, "Page Started! " + url,
                        Toast.LENGTH_SHORT).show();
                if (url.equals(SUCCESS_URL)) {
                    Toast.makeText(activity, "Success! " + url,
                            Toast.LENGTH_SHORT).show();
                } else {
                    Toast.makeText(activity, "Failure! " + url,
                            Toast.LENGTH_SHORT).show();
                }
                return super.shouldOverrideUrlLoading(view, url);
            }
            //
            // @Override
            // public void onPageFinished(WebView view, String url) {
            // super.onPageFinished(view, url);
            //
            // Toast.makeText(PayMentGateWay.this, "" + url,
            // Toast.LENGTH_SHORT).show();
            // }
        });

        webView.setVisibility(View.VISIBLE);
        webView.getSettings().setBuiltInZoomControls(true);
        webView.getSettings().setCacheMode(2);
        webView.getSettings().setDomStorageEnabled(true);
        webView.clearHistory();
        webView.clearCache(true);
        webView.getSettings().setJavaScriptEnabled(true);
        webView.getSettings().setSupportZoom(true);
        webView.getSettings().setUseWideViewPort(false);
        webView.getSettings().setLoadWithOverviewMode(false);

        webView.addJavascriptInterface(new PayUJavaScriptInterface(activity),
                "PayUMoney");
        Map<String, String> mapParams = new HashMap<String, String>();
        mapParams.put("key", merchant_key);
        mapParams.put("hash", hash);
        mapParams.put("txnid", txnid);
        mapParams.put("service_provider", "payu_paisa");
        mapParams.put("amount", amount);
        mapParams.put("firstname", firstName);
        mapParams.put("email", emailId);
        mapParams.put("phone", phone);

        mapParams.put("productinfo", productInfo);
        mapParams.put("surl", SUCCESS_URL);
        mapParams.put("furl", FAILED_URL);
        mapParams.put("lastname", "Vijayakumar");

        mapParams.put("address1", "");
        mapParams.put("address2", "");
        mapParams.put("city", "");
        mapParams.put("state", "");

        mapParams.put("country", "");
        mapParams.put("zipcode", "");
        mapParams.put("udf1", "");
        mapParams.put("udf2", "");

        mapParams.put("udf3", "");
        mapParams.put("udf4", "");
        mapParams.put("udf5", "");
        // mapParams.put("pg", (empty(PayMentGateWay.this.params.get("pg"))) ?
        // ""
        // : PayMentGateWay.this.params.get("pg"));
        webview_ClientPost(webView, action1, mapParams.entrySet());

    }

    public class PayUJavaScriptInterface {
        Context mContext;

        /** Instantiate the interface and set the context */
        PayUJavaScriptInterface(Context c) {
            mContext = c;
        }

        public void success(long id, final String paymentId) {

            mHandler.post(new Runnable() {

                public void run() {
                    mHandler = null;
                    Toast.makeText(PayMentGateWay.this, "Success",
                            Toast.LENGTH_SHORT).show();
                }
            });
        }
    }
    public void webview_ClientPost(WebView webView, String url,
            Collection<Map.Entry<String, String>> postData) {
        StringBuilder sb = new StringBuilder();

        sb.append("<html><head></head>");
        sb.append("<body onload='form1.submit()'>");
        sb.append(String.format("<form id='form1' action='%s' method='%s'>",
                url, "post"));
        for (Map.Entry<String, String> item : postData) {
            sb.append(String.format(
                    "<input name='%s' type='hidden' value='%s' />",
                    item.getKey(), item.getValue()));
        }
        sb.append("</form></body></html>");
        Log.d(tag, "webview_ClientPost called");
        webView.loadData(sb.toString(), "text/html", "utf-8");
    }

    public boolean empty(String s) {
        if (s == null || s.trim().equals(""))
            return true;
        else
            return false;
    }

    public String hashCal(String type, String str) {
        byte[] hashseq = str.getBytes();
        StringBuffer hexString = new StringBuffer();
        try {
            MessageDigest algorithm = MessageDigest.getInstance(type);
            algorithm.reset();
            algorithm.update(hashseq);
            byte messageDigest[] = algorithm.digest();

            for (int i = 0; i < messageDigest.length; i++) {
                String hex = Integer.toHexString(0xFF & messageDigest[i]);
                if (hex.length() == 1)
                    hexString.append("0");
                hexString.append(hex);
            }
        } catch (NoSuchAlgorithmException nsae) {
        }
        return hexString.toString();

    }

}

Expected Output :

 

Source Code in Github :

Coming Soon ...