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  • How to create Geo Location coding in android

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    Geocoding is the process of finding the geographical coordinates of the given location, So if you looking help to create Geo Location function see code example below. Here I have created edit text using place name for users. When User enters any place like country, city etc user will get that particular location latitude along with in below example I have used GoogleMapsActivity. Below code will clearly described you how to create Geo Location coding in android.

    Step(1)MainActivity

    public class MainActivity extends Activity {
    
        double latitude, longitude;
        EditText locationName;
        Button okbtn;
        TextView result;
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
    
            locationName = (EditText) findViewById(R.id.location);
            okbtn = (Button) findViewById(R.id.button1);
            result = (TextView) findViewById(R.id.textView1);
            okbtn.setOnClickListener(new View.OnClickListener() {
    
                @Override
                public void onClick(View v) {
                    Geocoder geocoder = new Geocoder(getBaseContext(), Locale
                            .getDefault());
    
                    try {
                        List<Address> address;
    
                        address = geocoder.getFromLocationName(locationName
                                .getText().toString(), 1);
                        if (address.size() > 0) {
                            latitude = address.get(0).getLatitude();
                            longitude = address.get(0).getLongitude();
                        }
    
                    } catch (IOException e) {
                        e.printStackTrace();
                    } finally {
    
                    }
    
                    result.setText("" + latitude + "\n" + longitude);
    
                }
            });
        }
    
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            // Inflate the menu; this adds items to the action bar if it is present.
            getMenuInflater().inflate(R.menu.main, menu);
            return true;
        }
    
    }
    

    Step(2)-main.xml layout-

    <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"
        android:paddingBottom="@dimen/activity_vertical_margin"
        android:paddingLeft="@dimen/activity_horizontal_margin"
        android:paddingRight="@dimen/activity_horizontal_margin"
        android:paddingTop="@dimen/activity_vertical_margin"
        tools:context=".MainActivity" >
    
        <TextView
            android:id="@+id/textView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/hello_world" />
    
    
    
        <Button
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@+id/textView1"
            android:layout_centerHorizontal="true"
            android:layout_marginTop="86dp"
            android:text="OK" />
    
        <EditText
            android:id="@+id/location"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignRight="@+id/button1"
            android:layout_below="@+id/textView1"
            android:layout_marginTop="22dp"
            android:ems="10" >
    
            <requestFocus />
        </EditText>
    
    </RelativeLayout>
    

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