Android Open Source - groundify-android Abs List View Base Activity

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The source code is released under:

GNU General Public License

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/*******************************************************************************
 * Copyright 2011-2013 Sergey Tarasevich
 */* w  ww. ja  va2  s. com*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package deftsoft.iground.android.CustomizeListView;

import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.AbsListView;

import com.nostra13.universalimageloader.core.listener.PauseOnScrollListener;

import deftsoft.iground.android.R;

/**
 * 
 * 
 * @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
 */
public class AbsListViewBaseActivity extends BaseActivity {

  protected static final String STATE_PAUSE_ON_SCROLL = "STATE_PAUSE_ON_SCROLL";
  protected static final String STATE_PAUSE_ON_FLING = "STATE_PAUSE_ON_FLING";

  protected AbsListView listView;

  protected boolean pauseOnScroll = false;
  protected boolean pauseOnFling = true;

  @Override
  public void onRestoreInstanceState(Bundle savedInstanceState) {
    pauseOnScroll = savedInstanceState.getBoolean(STATE_PAUSE_ON_SCROLL,
        false);
    pauseOnFling = savedInstanceState
        .getBoolean(STATE_PAUSE_ON_FLING, true);
  }

  @Override
  public void onResume() {
    super.onResume();
    applyScrollListener();
  }

  private void applyScrollListener() {
    listView.setOnScrollListener(new PauseOnScrollListener(imageLoader,
        pauseOnScroll, pauseOnFling));
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
    outState.putBoolean(STATE_PAUSE_ON_SCROLL, pauseOnScroll);
    outState.putBoolean(STATE_PAUSE_ON_FLING, pauseOnFling);
  }

  @Override
  public boolean onPrepareOptionsMenu(Menu menu) {
    MenuItem pauseOnScrollItem = menu.findItem(R.id.item_pause_on_scroll);
    pauseOnScrollItem.setVisible(true);
    pauseOnScrollItem.setChecked(pauseOnScroll);

    MenuItem pauseOnFlingItem = menu.findItem(R.id.item_pause_on_fling);
    pauseOnFlingItem.setVisible(true);
    pauseOnFlingItem.setChecked(pauseOnFling);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.item_pause_on_scroll:
      pauseOnScroll = !pauseOnScroll;
      item.setChecked(pauseOnScroll);
      applyScrollListener();
      return true;
    case R.id.item_pause_on_fling:
      pauseOnFling = !pauseOnFling;
      item.setChecked(pauseOnFling);
      applyScrollListener();
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }
}

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