Android Open Source - Dialog4Android Common Utils






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License

The source code is released under:

Copyright (c) 2014, Calvin 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...

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Java Source Code

/**
 * @Title: CommonUtils.java//  www.  ja  va 2  s . c o m
 * @Description: TODO
 * @author: Calvinyang
 * @date: Nov 29, 2013 11:55:09 AM
 * Copyright: Copyright (c) 2013
 * @version: 1.0
 */
package cn.edu.fudan.calvin;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.util.DisplayMetrics;

/**
 * @author: Calvinyang
 * @Description: TODO
 * @date: Nov 29, 2013 11:55:09 AM
 */
public class CommonUtils {
  private static DisplayMetrics dm;

  /**
   * ????????????
   * 
   * @return
   */
  public static boolean isNetworkConnected(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context
        .getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo ni = cm.getActiveNetworkInfo();
    return ni != null && ni.isAvailable();
  }

  /**
   * 
   * @Title: getWidth
   * @Description: ??????????
   * @param context
   * @return
   */
  public static int getWidth(Context context) {
    if (dm == null) {
      dm = context.getResources().getDisplayMetrics();
    }
    return dm.widthPixels;
  }

  /**
   * 
   * @Title: getDensity
   * @Description: ?????????
   * @param context
   * @return
   */
  public static float getDensity(Context context) {
    if (dm == null) {
      dm = context.getResources().getDisplayMetrics();
    }
    return dm.density;
  }

  /**
   * 
   * @Title: getHeight
   * @Description: ??????????
   * @param context
   * @return
   */
  public static int getHeight(Context context) {
    if (dm == null) {
      dm = context.getResources().getDisplayMetrics();
    }
    return dm.heightPixels;
  }

}




Java Source Code List

cn.edu.fudan.calvin.AlertDialog.java
cn.edu.fudan.calvin.CommonUtils.java
cn.edu.fudan.calvin.ConfirmDialog.java
cn.edu.fudan.calvin.MainActivity.java