Android Open Source - ExampleApp Utils

From Project

Back to project page ExampleApp.

License

The source code is released under:

Copyright (c) 2014, Altinn All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redis...

If you think the Android project ExampleApp listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.altinn.apps.fisher.utils;
/**/*from   w ww  .  j  a v a  2  s  .  c  o m*/
 * This class includes some static functions those are required through out the application 
 * very frequently ad generic in nature.
 */
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import android.content.Context;
import android.net.ConnectivityManager;
import android.os.Environment;

public class Utils {
  
  /**
   * A custom logger which offers 
   * Which can be used for logging or debugging and if we don't want log messages we can comment inside the 
   * respective method body, that will remove your screen specific un-commenting effort.
   *
   */
  public static class Log{
    public static void d(String tag, String message){
      android.util.Log.d(tag, message);
    }
    
    public static void e(String tag, String message){
      android.util.Log.e(tag, message);
    }
    
    public static void e(String tag, String message, Throwable th){
      android.util.Log.e(tag, message,th);
    }
    
    public static void i(String tag, String message){
      android.util.Log.i(tag, message);
    }
  }
  
  /**
   * A utility function to check null/empty behavior of a String
   * @param text
   * @return
   */
  public static boolean isNullorEmpty(String text){
    if(text == null || text.trim().length() == 0 || text.trim().equalsIgnoreCase("null")){
      return true;
    }
    return false;
  }
  
  /**
   * This method checks network availability
   * @param context
   * @return
   */
  public static boolean isNetworkAvailable(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context
        .getSystemService(Context.CONNECTIVITY_SERVICE);
    if(cm.getActiveNetworkInfo() != null && cm.getActiveNetworkInfo().isAvailable()
        && cm.getActiveNetworkInfo().isConnected()){
      Log.d("NETWORK-IFO ---", "TRUE");
      return true;
    } else{
      Log.d("NETWORK-IFO ---", "FALSE");
      return false;
      
    }
  }
  
  /**
   * This method copies the file into external memory
   * @param fnameOut
   * @param fnameIn
   */
  public static void copyFileInExternalMemory(String fnameOut, String fnameIn){
     try {
      File file = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/"+ fnameOut);
       if(!file.exists()){
         FileOutputStream fos  = new FileOutputStream(file);
         FileInputStream fis = new FileInputStream(new File(fnameIn));
         byte[] buffer = new byte[1024];
         int ch = -1;
         while((ch =  fis.read(buffer)) != -1){
           fos.write(buffer,0,ch);
         }
         fis.close();
         fos.flush();
         fos.close();
       }
    } catch (FileNotFoundException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }
  
  /**
   * This method checks API support weather application is greater than FROYO or not
   * @return
   */
  public static boolean isAPIsupported(){
    int currentapiVersion = android.os.Build.VERSION.SDK_INT;
    return currentapiVersion > android.os.Build.VERSION_CODES.FROYO;
  }
  
  
  

}

Java Source Code List