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AshleshkAshleshk
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Memorable Places And MenuDemo
Memorable places discovers Places in App
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‎memorableplaces/MainActivity.java

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package com.lenovo.memorableplaces;
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import android.content.Intent;
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import android.support.v7.app.AppCompatActivity;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.ListView;
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import android.widget.Toast;
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import com.google.android.gms.maps.model.LatLng;
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import java.util.ArrayList;
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public class MainActivity extends AppCompatActivity {
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static ArrayList<String> places = new ArrayList<>();
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static ArrayList<LatLng> locations = new ArrayList<>();
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static ArrayAdapter arrayAdapter;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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ListView listView = (ListView) findViewById(R.id.listView);
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places.add("Add a new place...");
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locations.add(new LatLng(0, 0));
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arrayAdapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, places);
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listView.setAdapter(arrayAdapter);
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listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
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@Override
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public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
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Intent intent = new Intent(getApplicationContext(), MapsActivity.class);
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intent.putExtra("placeNumber", i);
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startActivity(intent);
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}
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});
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}
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}

‎memorableplaces/MapsActivity.java

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package com.lenovo.memorableplaces;
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import android.*;
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import android.Manifest;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.location.Address;
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import android.location.Geocoder;
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import android.location.Location;
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import android.location.LocationListener;
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import android.location.LocationManager;
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import android.os.Build;
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import android.support.annotation.NonNull;
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import android.support.v4.app.ActivityCompat;
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import android.support.v4.app.FragmentActivity;
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import android.os.Bundle;
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import android.support.v4.content.ContextCompat;
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import android.widget.Toast;
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import com.google.android.gms.maps.CameraUpdateFactory;
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import com.google.android.gms.maps.GoogleMap;
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import com.google.android.gms.maps.OnMapReadyCallback;
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import com.google.android.gms.maps.SupportMapFragment;
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import com.google.android.gms.maps.model.LatLng;
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import com.google.android.gms.maps.model.MarkerOptions;
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import java.io.IOException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.List;
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import java.util.Locale;
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public class MapsActivity extends FragmentActivity implements OnMapReadyCallback, GoogleMap.OnMapLongClickListener {
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private GoogleMap mMap;
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LocationManager locationManager;
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LocationListener locationListener;
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@Override
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public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
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super.onRequestPermissionsResult(requestCode, permissions, grantResults);
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if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
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locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);
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Location lastKnownLocation = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
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centerMapOnLocation(lastKnownLocation, "Your location");
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}
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}
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}
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public void centerMapOnLocation(Location location, String title) {
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LatLng userLocation = new LatLng(location.getLatitude(), location.getLongitude());
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mMap.clear();
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if (title != "Your location") {
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mMap.addMarker(new MarkerOptions().position(userLocation).title(title));
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}
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mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(userLocation, 10));
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}
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_maps);
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// Obtain the SupportMapFragment and get notified when the map is ready to be used.
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SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
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.findFragmentById(R.id.map);
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mapFragment.getMapAsync(this);
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}
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/**
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* Manipulates the map once available.
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* This callback is triggered when the map is ready to be used.
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* This is where we can add markers or lines, add listeners or move the camera. In this case,
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* we just add a marker near Sydney, Australia.
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* If Google Play services is not installed on the device, the user will be prompted to install
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* it inside the SupportMapFragment. This method will only be triggered once the user has
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* installed Google Play services and returned to the app.
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*/
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@Override
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public void onMapReady(GoogleMap googleMap) {
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mMap = googleMap;
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mMap.setOnMapLongClickListener(this);
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Intent intent = getIntent();
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if (intent.getIntExtra("placeNumber", 0) == 0) {
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// zoom in on user's location
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locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
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locationListener = new LocationListener() {
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@Override
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public void onLocationChanged(Location location) {
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centerMapOnLocation(location, "Your location");
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}
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@Override
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public void onStatusChanged(String s, int i, Bundle bundle) {
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}
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@Override
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public void onProviderEnabled(String s) {
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}
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@Override
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public void onProviderDisabled(String s) {
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}
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};
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if (Build.VERSION.SDK_INT < 23) {
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locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);
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} else {
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if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
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locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);
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Location lastKnownLocation = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
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centerMapOnLocation(lastKnownLocation, "Your location");
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} else {
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ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 1);
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}
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}
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} else {
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Location placeLocation = new Location(LocationManager.GPS_PROVIDER);
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placeLocation.setLatitude(MainActivity.locations.get(intent.getIntExtra("placeNumber", 0)).latitude);
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placeLocation.setLongitude(MainActivity.locations.get(intent.getIntExtra("placeNumber", 0)).longitude);
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centerMapOnLocation(placeLocation, MainActivity.places.get(intent.getIntExtra("placeNumber", 0)));
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}
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}
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@Override
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public void onMapLongClick(LatLng latLng) {
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Geocoder geocoder = new Geocoder(getApplicationContext(), Locale.getDefault());
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String address = "";
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try {
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List<Address> listAddresses = geocoder.getFromLocation(latLng.latitude, latLng.longitude, 1);
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if (listAddresses != null && listAddresses.size() > 0) {
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if (listAddresses.get(0).getThoroughfare() != null) {
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if (listAddresses.get(0).getSubThoroughfare() != null) {
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address += listAddresses.get(0).getSubThoroughfare() + " ";
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}
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address += listAddresses.get(0).getThoroughfare();
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}
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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if (address == "") {
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SimpleDateFormat sdf = new SimpleDateFormat("HH:mm yyyy-MM-dd");
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address = sdf.format(new Date());
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}
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mMap.addMarker(new MarkerOptions().position(latLng).title(address));
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MainActivity.places.add(address);
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MainActivity.locations.add(latLng);
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MainActivity.arrayAdapter.notifyDataSetChanged();
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Toast.makeText(this, "Location Saved", Toast.LENGTH_SHORT).show();
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}
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}

‎menudemo/MainActivity.java

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package com.lenovo.menudemo;
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import android.support.v7.app.AppCompatActivity;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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public class MainActivity extends AppCompatActivity {
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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MenuInflater menuInflater = getMenuInflater();
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menuInflater.inflate(R.menu.main_menu,menu);
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return super.onCreateOptionsMenu(menu);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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super.onOptionsItemSelected(item);
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switch(item.getItemId())
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{
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case R.id.settings :
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Log.i("Menu item Selected","Settings");
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return true;
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case R.id.help:
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Log.i("Menu item Selected","Help");
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return true;
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default:
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return false;
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}
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}
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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}
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}

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