Android Open Source - open-radiobrony Error Handler

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Back to project page open-radiobrony.

License

The source code is released under:

Apache License

Java Source Code

package com.lesikapk.openradiobrony;
//from  ww  w  .ja v a2s. co m
import java.net.HttpURLConnection;
import java.net.URL;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.util.Log;
import android.webkit.URLUtil;
import android.widget.Toast;

public class ErrorHandler {
  
  public static Context myContext;
  public static int code;
  
  public static void checkForError(Context context) {
    checkConnection(context);
    checkUrl(context);
  }
  
  private static void checkUrl(Context context) {
    myContext = context;
    new Thread(new Runnable() {
          public void run() {
            try {
              String url = PlayerActivity.streamUrl;
              URL u = new URL (url);
              HttpURLConnection huc = (HttpURLConnection)u.openConnection (); 
            huc.setRequestMethod("GET"); 
            huc.connect(); 
            code = huc.getResponseCode();
            if (code == 404) {
              PlayerActivity.handler.post(new Runnable() { // This thread runs in the UI
                          @Override
                          public void run() {
                            showFatalDialog("URL not valid",
                              "The stream URL appears not to be valid."+"\n"+"This is not our fault"+"\n"+"Most likely, BronyRadio changed their stream URL. Try updating this app to a newer version or contact me.",
                              "Okay", myContext);
                          }
                      });
            }
            }
          catch (Exception e) {
            e.printStackTrace();
          }
          }
      }).start();
  }
  
  private static void checkConnection(Context context) {
      boolean haveConnectedWifi = false;
      boolean haveConnectedMobile = false;
      ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
      NetworkInfo[] netInfo = cm.getAllNetworkInfo();
      for (NetworkInfo ni : netInfo) {
          if (ni.getTypeName().equalsIgnoreCase("WIFI"))
              if (ni.isConnected())
                  haveConnectedWifi = true;
          if (ni.getTypeName().equalsIgnoreCase("MOBILE"))
              if (ni.isConnected())
                  haveConnectedMobile = true;
      }
      if (!haveConnectedWifi && !haveConnectedMobile) {
        showFatalDialog("No network connectivity",
            "It appears that your device doesn't have a working internet connecting, which is necessary to run this app." + "\n" + "The application will now close.",
            "Okay", context);
      }
  }
  private static void showFatalDialog(String title, String message, String buttontext, Context context) {
    AlertDialog.Builder dialog = new AlertDialog.Builder(context);
      dialog.setTitle(title)
        .setMessage(message)
        .setCancelable(false)
        .setNegativeButton(buttontext, new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int which) { 
                dialog.dismiss();
                android.os.Process.killProcess(android.os.Process.myPid());
            }
         })
        .show();
  }
}

Java Source Code List

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