SamplesUtils.java

package com.yarin.android.Examples_08_09;

import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface.OnDismissListener;
import android.os.Handler;

abstract class SamplesUtils
{
	public static void indeterminate(Context context, Handler handler, String message, final Runnable runnable, OnDismissListener dismissListener)
	{
		try
		{

			indeterminateInternal(context, handler, message, runnable, dismissListener, true);
		}
		catch (Exception e)
		{

			; // nop.
		}
	}


	public static void indeterminate(Context context, Handler handler, String message, final Runnable runnable, OnDismissListener dismissListener,
		boolean cancelable)
	{

		try
		{

			indeterminateInternal(context, handler, message, runnable, dismissListener, cancelable);
		}
		catch (Exception e)
		{

			; // nop.
		}
	}

	private static ProgressDialog createProgressDialog(Context context, String message)
	{

		ProgressDialog dialog = new ProgressDialog(context);
		dialog.setIndeterminate(false);
		dialog.setMessage(message);

		return dialog;
	}


	private static void indeterminateInternal(Context context, final Handler handler, String message, final Runnable runnable,
		OnDismissListener dismissListener, boolean cancelable)
	{

		final ProgressDialog dialog = createProgressDialog(context, message);
		dialog.setCancelable(cancelable);

		if (dismissListener != null)
		{

			dialog.setOnDismissListener(dismissListener);
		}

		dialog.show();

		new Thread() {

			@Override
			public void run()
			{
				runnable.run();

				handler.post(new Runnable() {

					public void run()
					{

						try
						{

							dialog.dismiss();
						}
						catch (Exception e)
						{

							; // nop.
						}

					}
				});
			};
		}.start();
	}
}