Android Open Source - Location-tracker Main Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.example.searchlocation1;
/*w  w w  .ja va 2s.com*/
import com.example.searchlocation1.R;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity {

  // flag for Internet connection status
    Boolean isInternetPresent = false;
    
    // Connection detector class
    ConnectionDetector cd;
    
  private Button addlocationbtn;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    addlocationbtn=(Button)findViewById(R.id.addit);
    
    cd = new ConnectionDetector(getApplicationContext());
    
    addlocationbtn.setOnClickListener(new View.OnClickListener() {
      
      @Override
      public void onClick(View v) {
        // TODO Auto-generated method stub
        // get Internet status
        isInternetPresent = cd.isConnectingToInternet();

        // check for Internet status
        if (isInternetPresent) {
          // Internet Connection is Present
          // make HTTP requests
          showAlertDialog(MainActivity.this, "Internet Connection",
              "You have internet connection", true);
        } else {
          // Internet connection is not present
          // Ask user to connect to Internet
          showAlertDialog(MainActivity.this, "No Internet Connection",
              "You don't have internet connection.", false);
        }
        
        
        
      }
    });
    
    
    
  }

  public void showAlertDialog(Context context, String title, String message, Boolean status) {
    AlertDialog alertDialog = new AlertDialog.Builder(context).create();

    // Setting Dialog Title
    alertDialog.setTitle(title);

    // Setting Dialog Message
    alertDialog.setMessage(message);
    
    // Setting alert dialog icon
    alertDialog.setIcon((status) ? R.drawable.success : R.drawable.fail);

    // Setting OK Button
    if(status)
    {
      //Toast.makeText(getApplicationContext(), "its working", Toast.LENGTH_LONG).show();
    alertDialog.setButton("OK", new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int which) {
        
        Intent mapintent=new Intent(getApplicationContext(), Map.class);
        startActivity(mapintent);
      }
    });

    // Showing Alert Message
    alertDialog.show();
    }
    
    else
    {
    alertDialog.setButton("OK", new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int which) {
        
        Toast.makeText(getApplicationContext(), "Switch ON ur INTERNET Connection", Toast.LENGTH_LONG).show();
      //  setContentView(R.layout.activity_main);
        
      }
    });

    // Showing Alert Message
    alertDialog.show();
    }
    

      
  }
  
  
  @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;
  }

}

Java Source Code List

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