rpicms-android

Android app for the RPICMS.
git clone git://archive.git.mtrnord.blog/RpicmsTeam/rpicms-android.git
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Utils.java (2968B)

      1 package de.nordgedanken.rpicms;
      2 
      3 import android.app.AlertDialog;
      4 import android.content.Context;
      5 import android.content.DialogInterface;
      6 import android.graphics.Point;
      7 import android.view.Display;
      8 import android.view.WindowManager;
      9 import android.widget.Toast;
     10 
     11 /**
     12  * A collection of utility methods, all static.
     13  */
     14 public class Utils {
     15 
     16     /*
     17      * Making sure public utility methods remain static
     18      */
     19     private Utils() {
     20     }
     21 
     22     /**
     23      * Returns the screen/display size
     24      *
     25      * @param context
     26      * @return
     27      */
     28     public static Point getDisplaySize(Context context) {
     29         WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
     30         Display display = wm.getDefaultDisplay();
     31         Point size = new Point();
     32         display.getSize(size);
     33         int width = size.x;
     34         int height = size.y;
     35         return new Point(width, height);
     36     }
     37 
     38     /**
     39      * Shows an error dialog with a given text message.
     40      *
     41      * @param context
     42      * @param errorString
     43      */
     44 
     45     public static final void showErrorDialog(Context context, String errorString) {
     46         new AlertDialog.Builder(context).setTitle(R.string.error)
     47                 .setMessage(errorString)
     48                 .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
     49                     @Override
     50                     public void onClick(DialogInterface dialog, int id) {
     51                         dialog.cancel();
     52                     }
     53                 })
     54                 .create()
     55                 .show();
     56     }
     57 
     58     /**
     59      * Shows a (long) toast
     60      *
     61      * @param context
     62      * @param msg
     63      */
     64     public static void showToast(Context context, String msg) {
     65         Toast.makeText(context, msg, Toast.LENGTH_LONG).show();
     66     }
     67 
     68     /**
     69      * Shows a (long) toast.
     70      *
     71      * @param context
     72      * @param resourceId
     73      */
     74     public static void showToast(Context context, int resourceId) {
     75         Toast.makeText(context, context.getString(resourceId), Toast.LENGTH_LONG).show();
     76     }
     77 
     78     /**
     79      * Formats time in milliseconds to hh:mm:ss string format.
     80      *
     81      * @param millis
     82      * @return
     83      */
     84     public static String formatMillis(int millis) {
     85         String result = "";
     86         int hr = millis / 3600000;
     87         millis %= 3600000;
     88         int min = millis / 60000;
     89         millis %= 60000;
     90         int sec = millis / 1000;
     91         if (hr > 0) {
     92             result += hr + ":";
     93         }
     94         if (min >= 0) {
     95             if (min > 9) {
     96                 result += min + ":";
     97             } else {
     98                 result += "0" + min + ":";
     99             }
    100         }
    101         if (sec > 9) {
    102             result += sec;
    103         } else {
    104             result += "0" + sec;
    105         }
    106         return result;
    107     }
    108 
    109     public static int dpToPx(int dp, Context ctx) {
    110         float density = ctx.getResources().getDisplayMetrics().density;
    111         return Math.round((float) dp * density);
    112     }
    113 }