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himanshunaidu/MainActivity

Created April 30, 2017 11:05
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  1. himanshunaidu created this gist Apr 30, 2017.
    127 changes: 127 additions & 0 deletions MainActivity
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    package com.hfad.spaceappswater;

    import android.content.Context;
    import android.content.Intent;
    import android.location.Address;
    import android.location.Geocoder;
    import android.location.Location;
    import android.location.LocationListener;
    import android.location.LocationManager;
    import android.net.wifi.p2p.WifiP2pManager;
    import android.support.v7.app.AppCompatActivity;
    import android.os.Bundle;
    import android.util.Log;
    import android.view.*;
    import android.widget.*;

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

    public class MainActivity extends AppCompatActivity{

    private Button location_button = null;
    private TextView location_view = null;
    private Button water_button = null;
    private TextView water_view = null;
    private Spinner water_spinner = null;

    private String latitude = "";
    private String longitude = "";

    private int ltd;
    private int lng;

    private static final String TAG = "MainActivity";

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

    location_button = (Button)findViewById(R.id.location_button);
    water_button = (Button)findViewById(R.id.water_button);
    location_view = (TextView)findViewById(R.id.location_view);
    }

    private class LocListener implements LocationListener {
    //String elocation = "";

    @Override
    public void onLocationChanged(Location loc) {
    String longitude = "Longitude: " + loc.getLongitude();
    double lng = loc.getLongitude();
    Log.v(TAG, longitude);
    double ltd = loc.getLatitude();
    String latitude = "Latitude: " + loc.getLatitude();
    Log.v(TAG, latitude);

    /*------- To get city name from coordinates -------- */
    String cityName = null;
    Geocoder gcd = new Geocoder(getBaseContext(), Locale.getDefault());
    List<Address> addresses;
    try {
    addresses = gcd.getFromLocation(loc.getLatitude(),
    loc.getLongitude(), 1);
    if (addresses.size() > 0) {
    System.out.println(addresses.get(0).getLocality());
    cityName = addresses.get(0).getLocality();
    }
    }
    catch (IOException e) {
    e.printStackTrace();
    }
    String s = longitude + "\n" + latitude + "\n\nMy Current City is: "
    + cityName;
    location_view.setText(s);

    }

    @Override
    public void onProviderDisabled(String provider) {}

    @Override
    public void onProviderEnabled(String provider) {}

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {}
    }

    public void locationClick(View view){
    String text = "Checking Location...";
    int duration = Toast.LENGTH_LONG;

    Toast toast = Toast.makeText(this, text, duration);
    toast.show();

    LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
    LocationListener locationListener = new LocListener();
    try{
    locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 5000, 10, locationListener);}
    catch (SecurityException e){
    Log.d(TAG, "Access Denied! Please contact our operator");
    }
    }

    public void waterClick(View view){
    if((latitude.equals(""))||(longitude.equals(""))){
    String text = "Error!!! Location not Checked!!!";
    int duration = Toast.LENGTH_SHORT;

    Toast toast = Toast.makeText(this, text, duration);
    }
    else{
    Intent intent = new Intent(MainActivity.this, MapActivity.class);
    intent.putExtra(MapActivity.EXTRA_LATITUDE, ltd);
    intent.putExtra(MapActivity.EXTRA_LONGITUDE, lng);
    startActivity(intent);
    }
    }

    @Override
    protected void onSaveInstanceState(Bundle savedInstanceState){

    }


    }
    169 changes: 169 additions & 0 deletions MapActivity
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    package com.hfad.spaceappswater;

    import android.content.Intent;
    import android.graphics.*;
    import android.graphics.drawable.*;
    import android.os.Bundle;
    import android.support.v7.app.AppCompatActivity;
    import android.widget.*;

    import static java.lang.Math.*;

    /**
    * Created by Lenovo on 29/04/2017.
    */

    public class MapActivity extends AppCompatActivity {
    public static final String EXTRA_LATITUDE = "Latitude";
    public static final String EXTRA_LONGITUDE = "Longitude";

    private TextView latView = null;
    private TextView lonView = null;
    private TextView resultView = null;

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

    latView = (TextView)findViewById(R.id.lat_view);
    lonView = (TextView)findViewById(R.id.lon_view);

    Intent intent = getIntent();
    double latitude = intent.getDoubleExtra(EXTRA_LATITUDE, 0);
    double longitude = intent.getDoubleExtra(EXTRA_LONGITUDE, 0);
    latView.setText("Latitude : " + latitude);
    lonView.setText("Longitude : " +longitude);

    mapCoordinate(latitude, longitude);
    }

    public void mapCoordinate(double lat, double lon){


    int r1=0, g1=0, b1=0, r2=0, g2=0, b2=0, r3=0, g3=0, b3=0;
    int nlat = (int)round(lat), nlon = (int)round(lon);
    int x = 0, y = 0;

    if(lat<0){
    y = 90-nlat;
    }
    else{
    y = 90-nlat;
    }

    if(lon<0){
    x = 360 + nlon;
    }
    else{
    x = nlon;
    }

    Bitmap bitmap1 = drawableToBitmap(getDrawable(R.drawable.image1));
    Bitmap bitmap2 = drawableToBitmap(getDrawable(R.drawable.image2));
    Bitmap bitmap3 = drawableToBitmap(getDrawable(R.drawable.image3));

    int pixel1 = bitmap1.getPixel(x, y);
    int pixel2 = bitmap2.getPixel(x, y);
    int pixel3 = bitmap3.getPixel(x, y);

    r1 = Color.red(pixel1);
    g1 = Color.green(pixel1);
    b1 = Color.blue(pixel1);
    r2 = Color.red(pixel2);
    g2 = Color.green(pixel2);
    b2 = Color.blue(pixel2);
    r3 = Color.red(pixel3);
    g3 = Color.green(pixel3);
    b3 = Color.blue(pixel3);

    findStatus(r1, g1, b1, r2, g2, b2, r3, g3, b3);
    }

    public static Bitmap drawableToBitmap (Drawable drawable) {
    if (drawable instanceof BitmapDrawable) {
    return ((BitmapDrawable)drawable).getBitmap();
    }

    int width = drawable.getIntrinsicWidth();
    width = width > 0 ? width : 1;
    int height = drawable.getIntrinsicHeight();
    height = height > 0 ? height : 1;

    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
    drawable.draw(canvas);

    return bitmap;
    }

    public void findStatus(int r1, int g1, int b1, int r2, int g2, int b2, int r3, int g3, int b3){
    TextView resultView = (TextView)findViewById(R.id.result_view);
    String result = "";
    boolean available = true;

    int r21 = r2 - r1;
    int b21 = b2 - b1;
    int g21 = g2 - g1;
    int r32 = r3 - r2;
    int b32 = b3 - b2;
    int g32 = g3 - g2;

    int ar21 = abs(r21);
    int ab21 = abs(b21);
    int ag21 = abs(g21);
    int ar32 = abs(r32);
    int ab32 = abs(b32);
    int ag32 = abs(g32);

    if((ar21+ab21+ag21)<50){
    if((ar32+ab32+ag32)<50){
    result += "No water available\n";
    available = false;
    }
    else if((ar32+ab32+ag32)<100){
    result += "Water moderately available\n";
    }
    else{
    result += "Water available\n";
    }
    }
    else if((ar21+ab21+ag21)<100){
    result+= "Water moderately available\n";
    }
    else{
    result += "Water available\n";
    }

    if(available==true){
    if(r21>0 && b21<0){
    result += "Water level has decreased significantly";
    }
    else if(r21<0 && b21>0){
    result += "Water level has increased significantly";
    }
    else if(r21<0 && b21<0){
    if(ar21>b21){
    result+= "Water level has increased slightly";
    }
    else{
    result+= "Water level has decreased slightly";
    }
    }
    else if(r21>0 && b21>0){
    if(ar21>b21){
    result+= "Water level has decreased slightly";
    }
    else{
    result+= "Water level has increased slightly";
    }
    }
    else{
    result+= "Further analysis has to be done";
    }
    }

    resultView.setText(result);
    }
    }