Android Open Source - QBWebserviceDemo---Android Q B Utility

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License

The source code is released under:

Copyright (c) 2011 QBurst, http://qburst.com/ Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redi...

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Java Source Code

package com.qburst.qbwebservice.utilities;
/*from  w  w  w  .  j av  a 2  s.  c  o m*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.media.AudioManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Window;
import android.widget.Toast;

public class QBUtility {
  
  public static String convertStreamToString(InputStream is)
  {
    if (is != null) {
      StringBuilder sb = new StringBuilder();
      String line;

      try {
        BufferedReader reader = new BufferedReader(
            new InputStreamReader(is, "UTF-8"));
        while ((line = reader.readLine()) != null) {
          sb.append(line).append("\n");
        }
      } catch (IOException e) {
        Log.e(e.getClass().getName()+" convertStreamToString", e.getMessage(), e);
      } finally {
        try {
          is.close();
        } catch (IOException e) {
          Log.e(e.getClass().getName()+" convertStreamToString", e.getMessage(), e);
        }
      }
      return sb.toString();
    } else {
      return "";
    }
  }

  public static void showDialogOk(String title, String message,
      Context context) {
    if(context!=null) {
      Dialog dlg = new AlertDialog.Builder(context).setTitle(title)
      .setMessage(message)
      .setPositiveButton("OK", new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int whichButton) {

        }
      }).create();
      dlg.setVolumeControlStream(AudioManager.STREAM_MUSIC);
      dlg.show();
    }
  }

  public static void showDialogOkWithGoBack(String title, String message,
      final Activity activity) {
    if(activity.getApplicationContext()!=null) { 
    AlertDialog.Builder adb = new AlertDialog.Builder(activity);
      adb.setTitle(title);
      adb.setMessage(message);
      adb.setCancelable(false); 
      adb.setNeutralButton("OK", new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
          dialog.cancel();
          activity.onBackPressed();
        }
      });
      AlertDialog ad = adb.create();
      ad.setVolumeControlStream(AudioManager.STREAM_MUSIC);
      ad.show();
    }
  }

  public static void showToast(String message, Context context) {
    Toast.makeText(context, message, Toast.LENGTH_LONG).show();
  }

  public static boolean isNetworkAvailable(Context context) {
    ConnectivityManager connec = (ConnectivityManager) context
    .getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo netInfo = connec.getActiveNetworkInfo();

    if (netInfo != null && netInfo.isConnected() == true) {
      return true;
    }
    return false;
  }

  public static ProgressDialog showProgressDialog(Context context) {
    ProgressDialog myProgressDialog = new ProgressDialog(context);
    myProgressDialog.setMessage("Please wait...");
    myProgressDialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
    myProgressDialog.show();
    myProgressDialog.setCancelable(false);
    myProgressDialog.setOnKeyListener(new DialogInterface.OnKeyListener() {

      public boolean onKey(DialogInterface dialog, int keyCode,
          KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_SEARCH
            && event.getRepeatCount() == 0) {
          return true;
        }
        return false;
      }

    });
    return myProgressDialog;
  }

  public static void dismissProgressDialog(ProgressDialog myProgressDialog) {
    if (myProgressDialog != null) {
      try {
        myProgressDialog.dismiss();
      } catch (Exception e) {
        Log.e(e.getClass().getName()+": dismissProgressDialog", e.getMessage());
      }
    }
  }

}

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