Android Open Source - MrParkingNavigator Utils

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From Project

Back to project page MrParkingNavigator.

License

The source code is released under:

MIT License

Java Source Code

package ru.mail.parking.utils;
/*from  w w w  .ja  v a  2  s .c o m*/
import android.os.Handler;
import android.os.Looper;

import java.io.Closeable;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.TimeZone;

import ru.mail.parking.App;
import ru.mail.parking.Preferences;
import ru.mail.parking.R;

public final class Utils {
  public static final String EXTRA_PLACE = "place";

  private static final Handler sUiHandler = new Handler(Looper.getMainLooper());
  private static final float sScreenDensity = App.app().getResources().getDisplayMetrics().density;


  private Utils() {}

  public static float dp(float v) {
    return (float)(v * sScreenDensity + 0.5);
  }

  private static String formatDate(Calendar c, Preferences.TimeFormat format) {
    SimpleDateFormat sdf = new SimpleDateFormat(format.getFormatString());
    return sdf.format(c.getTime());
  }

  public static String formatDate(long tm, Preferences.TimeFormat format, boolean forceTz) {
    if (tm == 0)
      return App.app().getString(R.string.unknown);

    Calendar c = Calendar.getInstance();
    if (forceTz)
      c.setTimeZone(TimeZone.getTimeZone("GMT+0400"));

    c.setTimeInMillis(tm);
    return formatDate(c, format);
  }

  public static void runUi(Runnable task) {
    if (sUiHandler.getLooper().getThread() == Thread.currentThread())
      task.run();
    else
      sUiHandler.post(task);
  }

  public static void runUiLater(Runnable task, long delay) {
    sUiHandler.postDelayed(task, delay);
  }

  public static void cancelUiTask(Runnable task) {
    sUiHandler.removeCallbacks(task);
  }

  public static void safeClose(Closeable obj) {
    if (obj == null)
      return;

    try {
      obj.close();
    } catch (IOException ignored) {}
  }
}

Java Source Code List

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