Android Open Source - android-screenshot-gallery Picture Fragment

From Project

Back to project page android-screenshot-gallery.

License

The source code is released under:

Apache License

If you think the Android project android-screenshot-gallery listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.demondevelopers.screenshotgallery;
/*from   www. ja  v  a2 s. com*/
import android.app.Activity;
import android.content.ContentValues;
import android.os.Bundle;
import android.provider.MediaStore.Images.ImageColumns;
import android.view.GestureDetector;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;


public class PictureFragment extends BaseFragment
  implements PictureView.OnAsyncCompleted
{
  private static final String ARG_VALUES = "argValues";
  
  private ContentValues   mValues;
  private PictureView     mPictureView;
  private OnPictureLoaded mOnPictureLoaded;
  private ToggleUIState   mToggleUIState;
  private GestureDetector mGestureDetector;
  
  
  public static PictureFragment newInstance(ContentValues values)
  {
    PictureFragment frag = new PictureFragment();
    Bundle args = new Bundle();
    args.putParcelable(ARG_VALUES, values);
    frag.setArguments(args);
    return frag;
  }
  
  public PictureFragment()
  {
    // Blank constructor required by platform
  }
  
  @Override
  public void onAttach(Activity activity)
  {
    super.onAttach(activity);
    
    if(activity instanceof OnPictureLoaded){
      mOnPictureLoaded = (OnPictureLoaded)activity; 
    }
    if(activity instanceof ToggleUIState){
      mToggleUIState = (ToggleUIState)activity;
    }
  }
  
  @Override
  public void onDetach()
  {
    super.onDetach();
    mOnPictureLoaded = null;
  }
  
  @Override
  public void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    mValues = getArguments().getParcelable(ARG_VALUES);
    mGestureDetector = new GestureDetector(getActivity(), new GestureDetector.SimpleOnGestureListener()
    {
      @Override
      public boolean onSingleTapUp(MotionEvent e)
      {
        if(mToggleUIState != null){
          return mToggleUIState.toggleUIState();
        }
        return false;
      }
      
      @Override
      public boolean onDown(MotionEvent e)
      {
        return true;
      }
    });
  }
  
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
  {
    return inflater.inflate(R.layout.fragment_picture, container, false);
  }
  
  @Override
  public void onViewCreated(View view, Bundle savedInstanceState)
  {
    super.onViewCreated(view, savedInstanceState);
    mPictureView = (PictureView)view.findViewById(R.id.picture);
    mPictureView.setOnTouchListener(new View.OnTouchListener()
    {
      @Override
      public boolean onTouch(View v, MotionEvent event)
      {
        return mGestureDetector.onTouchEvent(event);
      }
    });
    mPictureView.setOnAsyncCompleted(this);
    mPictureView.setImageAsync(mValues.getAsString(ImageColumns.DATA));
  }
  
  public static interface OnPictureLoaded
  {
    public void onPictureLoaded(boolean successful, String filePath);
  }
  
  public static interface ToggleUIState
  {
    public boolean toggleUIState();
  }
  
  @Override
  public void onAsyncCompleted(PictureView view, boolean successful, String filePath)
  {
    if(mOnPictureLoaded != null){
      mOnPictureLoaded.onPictureLoaded(successful, filePath);
    }
  }
}

Java Source Code List