Loading Component View

Loading Component View is a customizable Android component for long background tasks.

With this component you can define several phases with associated frames and the component will be showing the frames.

The use is very easy: update the component with the name of the phase, the text to show and the percentage (referenced to 100).

You can also define the mode (blocking/not blocking). In blocking mode, the phases will show all frames even if the long task has finished. In not blocking mode, when a new phased arrives, the phase before is finished automatically.

In addition, you're allowed to customize the millis between frames and the default image (for phases without backgroundImages). All of this from the constructor of the handler.

##Screenshots

Version

• Version 2.0

• Integration with Android Studio structure

• Refactoring resources and packages

How-to use this code

###Implementation

• Define the view in your .xml layout. For example:

   <app.juaagugui.loadingcomponent.views.LoadingComponentView
  
  android:id="@+id/loading_component_view"
  
  android:layout_width="400dp"
  
  android:layout_height="400dp"
  
  android:layout_centerHorizontal="true"
  
  android:layout_centerVertical="true" /> 

• The handler receives a Map<String, LinkedList> where key are the name of phases and, the list of Integers, the frames for this phase. For example:

    private Map<String, LinkedList<Integer>> getAnimations() {
  
   Map<String, LinkedList<Integer>> retMap = new HashMap<String, LinkedList<Integer>>();
  
   LinkedList<Integer> tempResourceList = new LinkedList<Integer>();
  
   //This phase only displays the default frame
   retMap.put("PHASE1, null);
  
    tempResourceList = new LinkedList<Integer>();
  
   tempResourceList.add(R.drawable.scene01);
  
   tempResourceList.add(R.drawable.scene02);
  
    //This phase has two frames
   retMap.put("PHASE2", tempResourceList);
  
    retMap.put("PHASE3", null);
  
  return retMap;  
  }
    

• The handler receives an ILoadingComponentLifecycleListener for things to do before and after all phases (for example, hide/show other views etc.)

• In your activity/fragment, define a handler ( LoadingComponentViewHandler) which will notify the updates to the view. For example:

    loadingComponentView = (LoadingComponentView) rootView.findViewById(R.id.loading_component_view);
  
  //"this" implements ILoadingComponentLifecycleListener
  loadingComponentViewHandler = new LoadingComponentViewHandler(loadingComponentView, getAnimations(), this);
   

###Use

• Whenever you want to update the animation, just call the update method of the defined handler:

  //This will show frames for phase 1, the text "Running phase 1" //and the progress of the progressBar will be 0%

  context.updateProgressBar("PHASE1", "Running phase 1", 0);

• To finish animations, call the updateMethod with percentage > 100%, or call finishComponent().

License

• see LICENSE file

Contact

Developer/Company

• e-mail: [email protected]
• Twitter: @juaagugui
• Linkedin: Juan Aguilar Guisado