CommonUtil.java

package com.talent.allshare.util;


import org.cybergarage.util.CommonLog;
import org.cybergarage.util.LogFactory;

import android.content.Context;
import android.media.MediaPlayer;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Environment;
import android.util.Log;
import android.view.Display;
import android.view.WindowManager;
import android.widget.Toast;

public class CommonUtil {

	private static final CommonLog log = LogFactory.createLog();
	
	public static boolean checkNetState(Context context)
    {
    	boolean netstate = false;
		ConnectivityManager connectivity = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
		if(connectivity != null)
		{
			NetworkInfo[] info = connectivity.getAllNetworkInfo();
			if (info != null) {
				for (int i = 0; i < info.length; i++)
				{
					if (info[i].getState() == NetworkInfo.State.CONNECTED) 
					{
						netstate = true;
						break;
					}
				}
			}
		}
		return netstate;
    }
	
	public static void showToask(Context context, String tip){
		Toast.makeText(context, tip, Toast.LENGTH_SHORT).show();
	}
	
	public static boolean hasSDCard() {
		String status = Environment.getExternalStorageState();
		if (!status.equals(Environment.MEDIA_MOUNTED)) {
		//	log.e("No sdcard");
			return false;
		} 
		return true;
	}
	
	public static String getRootFilePath() {
		if (hasSDCard()) {
			return Environment.getExternalStorageDirectory().getAbsolutePath() + "/";// filePath:/sdcard/
		} else {
			return Environment.getDataDirectory().getAbsolutePath() + "/data/"; // filePath: /data/data/
		}
	}

	public static int getScreenWidth(Context context) {
		WindowManager manager = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
		Display display = manager.getDefaultDisplay();
		return display.getWidth();
	}
	
	public static int getScreenHeight(Context context) {
		WindowManager manager = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
		Display display = manager.getDefaultDisplay();
		return display.getHeight();
	}
	
	public static ViewSize getFitSize(Context context, MediaPlayer mediaPlayer)
	{
		int videoWidth = mediaPlayer.getVideoWidth();  
	    int videoHeight = mediaPlayer.getVideoHeight();  	    
	    double fit1 = videoWidth * 1.0 / videoHeight;	 
	    
	    int width2 = getScreenWidth(context);
	    int height2 = getScreenHeight(context);      
	    double fit2 = width2 * 1.0 / height2;  
	    
	    log.e("videoWidth = " + videoWidth + ", videoHeight = " + videoHeight + ",fit1 = " + fit1);
	    log.e("width2 = " + width2 + ", height2 = " + height2 + ",fit2 = " + fit2);
	    
	    double fit = 1;
	    if (fit1 > fit2)
	    {
	    	fit = width2 * 1.0 / videoWidth;
	    }else{
	    	fit = height2 * 1.0 / videoHeight;
	    }
	    
	    log.e("fit = " + fit);
	    
	    ViewSize viewSize = new ViewSize();
	    viewSize.width = (int) (fit * videoWidth);
	    viewSize.height = (int) (fit * videoHeight);

	    return viewSize;
	}

	public static class ViewSize
	{
		public int width = 0;
		public int height = 0;
	}
    
}