Android Open Source - PuppyFrame Edit Album Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.boztalay.puppyframeuid.configuration.editalbum;
/*from w  w w .  j av a 2s.co m*/
import android.app.ActionBar;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.text.Editable;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.Toast;
import com.boztalay.puppyframeuid.R;
import com.boztalay.puppyframeuid.configuration.views.SelectableImageView;
import com.boztalay.puppyframeuid.persistence.Album;
import com.boztalay.puppyframeuid.persistence.PuppyFramePersistenceManager;

public class EditAlbumActivity extends Activity implements AdapterView.OnItemClickListener, ImageCacher.ImageResizingListener {
  public static final String ALBUM_ID_KEY = "albumId";
    public static final String APP_WIDGET_ID_KEY = "appWidgetId";

    public enum EditMode {
    EDITING, ADDING
  }

  private PuppyFramePersistenceManager persistenceManager;
  private EditMode editingMode;
  private Album album;
    private int appWidgetId;
  
  private StoredImagesAdapter storedImagesAdapter;

    private ImageCacher imageCacher;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_edit_album);

        Log.d("PuppyFrame", "EditActivity: onCreate called");

    determineEditModeAndLoadAlbum();
    setUpViewsAndTitle();

        imageCacher = new ImageCacher(this);
  }

  private void determineEditModeAndLoadAlbum() {
    persistenceManager = new PuppyFramePersistenceManager(this);

    String editingAlbumId = getIntent().getStringExtra(ALBUM_ID_KEY);
    if(editingAlbumId != null) {
            Log.d("PuppyFrame", "EditActivity: Started in edit mode");

      editingMode = EditMode.EDITING;
      album = persistenceManager.getAlbumWithId(editingAlbumId);
    } else {
            Log.d("PuppyFrame", "EditActivity: Started in add mode");

      editingMode = EditMode.ADDING;
      album = persistenceManager.createNewAlbum("Untitled Album");
    }

        appWidgetId = getIntent().getIntExtra(APP_WIDGET_ID_KEY, -1);
        Log.d("PuppyFrame", "EditActivity: AppWidgetId: " + appWidgetId);
  }

  private void setUpViewsAndTitle() {
        ActionBar actionBar = getActionBar();
        if(actionBar != null) {
            if(editingMode == EditMode.EDITING) {
                actionBar.setTitle(getString(R.string.edit_album_title));
            } else if(editingMode == EditMode.ADDING) {
                actionBar.setTitle(getString(R.string.add_album_title));
            }
        }

        try {
        storedImagesAdapter = new StoredImagesAdapter(EditAlbumActivity.this, album);
        } catch (StoredImagesAdapter.PuppyFrameImageLoadingException e) {
            showProblemLoadingDialog();
        }

    GridView gridView = (GridView) findViewById(R.id.pictures_grid);
    gridView.setAdapter(storedImagesAdapter);
    gridView.setFastScrollEnabled(true);
        gridView.setOnItemClickListener(this);
  }

    private void showProblemLoadingDialog() {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle("Problem Loading Images");
        builder.setMessage("There was a problem loading the images on your device.");
        builder.setNeutralButton("Ok", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialogInterface, int i) {
                finish();
            }
        });
        builder.create().show();
    }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.edit_menu, menu);
    return true;
  }

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        String pathOfImageClicked = (String) parent.getAdapter().getItem(position);
        if(album.getImagePaths().contains(pathOfImageClicked) || album.isImageCached(pathOfImageClicked)) {
            Log.d("PuppyFrame", "EditActivity: Image in album clicked, removing it");
            album.removeImagePath(pathOfImageClicked);
            ((SelectableImageView)view).setChecked(false);
        } else {
            Log.d("PuppyFrame", "EditActivity: Image not in album clicked, adding it");
            album.addImagePath(pathOfImageClicked);
            ((SelectableImageView)view).setChecked(true);
        }
    }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch(item.getItemId()) {
      case R.id.done_editing_menu_action:
                if(album.getImagePaths().size() == 0) {
                    Toast.makeText(EditAlbumActivity.this, "Please add at least one picture to this album", Toast.LENGTH_LONG).show();
                } else {
            createNamingDialog();
                }
        return true;
    }
    return super.onOptionsItemSelected(item);
  }

  private void createNamingDialog() {
    AlertDialog.Builder alert = new AlertDialog.Builder(this);
    alert.setTitle("Name Your Album");

    final EditText input = new EditText(this);
        input.setText(album.getTitle());
    alert.setView(input);

    alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int whichButton) {
                Editable editable = input.getText();
        if(editable == null || editable.length() == 0) {
                    Toast.makeText(EditAlbumActivity.this, "You gotta name it something!", Toast.LENGTH_LONG).show();
                    return;
                }

        album.setTitle(editable.toString());
                saveAlbumAndExit();
      }
    });
    alert.setNegativeButton("Cancel", null);

    alert.show();
  }

    private void saveAlbumAndExit() {
        imageCacher.resizeAndCacheLargeImagesInAlbum(album, this);

        ProgressDialog loadingDialog = new ProgressDialog(this);
        loadingDialog.setMessage("Resizing large images...");
        loadingDialog.setCancelable(false);
        loadingDialog.show();
    }

    public void imageResizingCompleted() {
        album.setThumbnailPath(album.getImagePaths().get(album.getImagePaths().size() - 1));
        persistenceManager.saveAlbum(album);
        persistenceManager.setCurrentAlbumForAppWidgetId(album, appWidgetId);

        setResult(RESULT_OK);
        finish();
    }

    @Override
    public void onBackPressed() {
        if(editingMode == EditMode.EDITING) {
            saveAlbumAndExit();
        } else {
            finish();
        }
    }
}

Java Source Code List

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