Android Open Source - HockeySDK-Android Ui Thread Util

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License

The source code is released under:
Apache License
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Java Source Code

package net.hockeyapp.android.utils;
// w w  w . j a v a  2 s. c o  m
import java.lang.ref.WeakReference;

import android.app.Activity;
import android.app.ProgressDialog;
import android.widget.Toast;

/**
 * <h3>License</h3>
 * 
 * <pre>
 * Copyright (c) 2011-2014 Bit Stadium GmbH
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 * </pre>
 */
public class UiThreadUtil {
  /** Private constructor prevents instantiation from other classes */
  private UiThreadUtil() { 
  }

  /**
   * UiThreadUtilHolder is loaded on the first execution of UiThreadUtil.getInstance() 
   * or the first access to UiThreadUtilHolder.INSTANCE, not before.
   */
  private static class WbUtilHolder { 
    public static final UiThreadUtil INSTANCE = new UiThreadUtil();
  }

  public static UiThreadUtil getInstance() {
    return WbUtilHolder.INSTANCE;
  }
  
  public void dismissLoadingDialogAndDisplayError(WeakReference<Activity> weakActivity, final ProgressDialog progressDialog, final int errorDialogId) {
    
    if (weakActivity != null) {
      final Activity activity = weakActivity.get();
      if (activity != null) {
        activity.runOnUiThread(new Runnable() {
          
          @SuppressWarnings("deprecation")
          @Override
          public void run() {
            if (progressDialog != null && progressDialog.isShowing()) {
              progressDialog.dismiss();
            }
            
            activity.showDialog(errorDialogId);
          }
        });         
      }
    }
  }
    
  public void dismissLoading(WeakReference<Activity> weakActivity, final ProgressDialog progressDialog) {
    if (weakActivity != null) {
      final Activity activity = weakActivity.get();
      if (activity != null) {
        activity.runOnUiThread(new Runnable() {
        
        @Override
        public void run() {
          if (progressDialog != null && progressDialog.isShowing()) {
              progressDialog.dismiss();
            }
        }
      });
      }
    }
  }
  
  public void displayToastMessage(WeakReference<Activity> weakActivity, final String message, final int flags) {
    if (weakActivity != null) {
      final Activity activity = weakActivity.get();
      if (activity != null) {
        activity.runOnUiThread(new Runnable() {
          @Override
          public void run() {
            Toast.makeText(activity, message, flags).show();
          }
        });
      }
    }
  }
}
Java Source Code List
