Java Code Examples for android.widget.Adapter#isEmpty()

The following examples show how to use android.widget.Adapter#isEmpty() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: PullToRefreshAdapterViewBase.java    From MagicHeaderViewPager with Apache License 2.0 6 votes vote down vote up
private boolean isLastItemVisible() {
    final Adapter adapter = mRefreshableView.getAdapter();

    if(null == adapter || adapter.isEmpty()) {
        return true;
    } else {
        final int lastItemPosition = mRefreshableView.getCount() - 1;
        final int lastVisiblePosition = mRefreshableView.getLastVisiblePosition();

        /**
         * This check should really just be: lastVisiblePosition == lastItemPosition, but PtRListView internally uses a
         * FooterView which messes the positions up. For me we'll just subtract one to account for it and rely on the inner
         * condition which checks getBottom().
         */
        if(lastVisiblePosition >= lastItemPosition - 1) {
            final int childIndex = lastVisiblePosition - mRefreshableView.getFirstVisiblePosition();
            final View lastVisibleChild = mRefreshableView.getChildAt(childIndex);
            if(lastVisibleChild != null) {
                return lastVisibleChild.getBottom() <= mRefreshableView.getBottom();
            }
        }
    }

    return false;
}
 
Example 2
Source File: PullToZoomListViewEx.java    From light-novel-library_Wenku8_Android with GNU General Public License v2.0 6 votes vote down vote up
private boolean isFirstItemVisible() {
    final Adapter adapter = mRootView.getAdapter();

    if (null == adapter || adapter.isEmpty()) {
        return true;
    } else {
        /**
         * This check should really just be:
         * mRootView.getFirstVisiblePosition() == 0, but PtRListView
         * internally use a HeaderView which messes the positions up. For
         * now we'll just add one to account for it and rely on the inner
         * condition which checks getTop().
         */
        if (mRootView.getFirstVisiblePosition() <= 1) {
            final View firstVisibleChild = mRootView.getChildAt(0);
            if (firstVisibleChild != null) {
                return firstVisibleChild.getTop() >= mRootView.getTop();
            }
        }
    }

    return false;
}
 
Example 3
Source File: PullToRefreshAdapterViewBase.java    From iSCAU-Android with GNU General Public License v3.0 5 votes vote down vote up
private boolean isFirstItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isFirstItemVisible. Empty View.");
		}
		return true;

	} else {

		/**
		 * This check should really just be:
		 * mRefreshableView.getFirstVisiblePosition() == 0, but PtRListView
		 * internally use a HeaderView which messes the positions up. For
		 * now we'll just add one to account for it and rely on the inner
		 * condition which checks getTop().
		 */
		if (mRefreshableView.getFirstVisiblePosition() <= 1) {
			final View firstVisibleChild = mRefreshableView.getChildAt(0);
			if (firstVisibleChild != null) {
				return firstVisibleChild.getTop() >= mRefreshableView.getTop();
			}
		}
	}

	return false;
}
 
Example 4
Source File: InboxLayoutListView.java    From InboxLayout with MIT License 5 votes vote down vote up
protected boolean isReadyForDragStart(){
    final Adapter adapter = dragableView.getAdapter();
    if(null == adapter || adapter.isEmpty()){
        return true;
    }else{
        if( dragableView.getFirstVisiblePosition()<=1 ){
            final View firstVisibleChild = dragableView.getChildAt(0);
            if(firstVisibleChild != null){
                return firstVisibleChild.getTop() >= dragableView.getTop();
            }
        }
    }
    return false;
}
 
Example 5
Source File: PullToRefreshAdapterViewBase.java    From NetEasyNews with GNU General Public License v3.0 5 votes vote down vote up
private boolean isFirstItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isFirstItemVisible. Empty View.");
		}
		return true;

	} else {

		/**
		 * This check should really just be:
		 * mRefreshableView.getFirstVisiblePosition() == 0, but PtRListView
		 * internally use a HeaderView which messes the positions up. For
		 * now we'll just add one to account for it and rely on the inner
		 * condition which checks getTop().
		 */
		if (mRefreshableView.getFirstVisiblePosition() <= 1) {
			final View firstVisibleChild = mRefreshableView.getChildAt(0);
			if (firstVisibleChild != null) {
				return firstVisibleChild.getTop() >= mRefreshableView.getTop();
			}
		}
	}

	return false;
}
 
Example 6
Source File: PullToRefreshAdapterViewBase.java    From FanXin-based-HuanXin with GNU General Public License v2.0 5 votes vote down vote up
private boolean isLastItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Empty View.");
		}
		return true;
	} else {
		final int lastItemPosition = mRefreshableView.getCount() - 1;
		final int lastVisiblePosition = mRefreshableView.getLastVisiblePosition();

		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Last Item Position: " + lastItemPosition + " Last Visible Pos: "
					+ lastVisiblePosition);
		}

		/**
		 * This check should really just be: lastVisiblePosition ==
		 * lastItemPosition, but PtRListView internally uses a FooterView
		 * which messes the positions up. For me we'll just subtract one to
		 * account for it and rely on the inner condition which checks
		 * getBottom().
		 */
		if (lastVisiblePosition >= lastItemPosition - 1) {
			final int childIndex = lastVisiblePosition - mRefreshableView.getFirstVisiblePosition();
			final View lastVisibleChild = mRefreshableView.getChildAt(childIndex);
			if (lastVisibleChild != null) {
				return lastVisibleChild.getBottom() <= mRefreshableView.getBottom();
			}
		}
	}

	return false;
}
 
Example 7
Source File: PullToRefreshAdapterViewBase.java    From PullToRefresh-PinnedSection-ListView with MIT License 5 votes vote down vote up
private boolean isLastItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Empty View.");
		}
		return true;
	} else {
		final int lastItemPosition = mRefreshableView.getCount() - 1;
		final int lastVisiblePosition = mRefreshableView.getLastVisiblePosition();

		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Last Item Position: " + lastItemPosition + " Last Visible Pos: "
					+ lastVisiblePosition);
		}

		/**
		 * This check should really just be: lastVisiblePosition ==
		 * lastItemPosition, but PtRListView internally uses a FooterView
		 * which messes the positions up. For me we'll just subtract one to
		 * account for it and rely on the inner condition which checks
		 * getBottom().
		 */
		if (lastVisiblePosition >= lastItemPosition - 1) {
			final int childIndex = lastVisiblePosition - mRefreshableView.getFirstVisiblePosition();
			final View lastVisibleChild = mRefreshableView.getChildAt(childIndex);
			if (lastVisibleChild != null) {
				return lastVisibleChild.getBottom() <= mRefreshableView.getBottom();
			}
		}
	}

	return false;
}
 
Example 8
Source File: PullToRefreshAdapterViewBase.java    From zen4android with MIT License 5 votes vote down vote up
private boolean isFirstItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isFirstItemVisible. Empty View.");
		}
		return true;

	} else {

		/**
		 * This check should really just be:
		 * mRefreshableView.getFirstVisiblePosition() == 0, but PtRListView
		 * internally use a HeaderView which messes the positions up. For
		 * now we'll just add one to account for it and rely on the inner
		 * condition which checks getTop().
		 */
		if (mRefreshableView.getFirstVisiblePosition() <= 1) {
			final View firstVisibleChild = mRefreshableView.getChildAt(0);
			if (firstVisibleChild != null) {
				return firstVisibleChild.getTop() >= mRefreshableView.getTop();
			}
		}
	}

	return false;
}
 
Example 9
Source File: PullToRefreshAdapterViewBase.java    From FacebookNewsfeedSample-Android with Apache License 2.0 5 votes vote down vote up
private boolean isLastItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Empty View.");
		}
		return true;
	} else {
		final int lastItemPosition = mRefreshableView.getCount() - 1;
		final int lastVisiblePosition = mRefreshableView.getLastVisiblePosition();

		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Last Item Position: " + lastItemPosition + " Last Visible Pos: "
					+ lastVisiblePosition);
		}

		/**
		 * This check should really just be: lastVisiblePosition ==
		 * lastItemPosition, but PtRListView internally uses a FooterView
		 * which messes the positions up. For me we'll just subtract one to
		 * account for it and rely on the inner condition which checks
		 * getBottom().
		 */
		if (lastVisiblePosition >= lastItemPosition - 1) {
			final int childIndex = lastVisiblePosition - mRefreshableView.getFirstVisiblePosition();
			final View lastVisibleChild = mRefreshableView.getChildAt(childIndex);
			if (lastVisibleChild != null) {
				return lastVisibleChild.getBottom() <= mRefreshableView.getBottom();
			}
		}
	}

	return false;
}
 
Example 10
Source File: PullToRefreshAdapterViewBase.java    From BigApp_WordPress_Android with Apache License 2.0 5 votes vote down vote up
private boolean isFirstItemVisible()
{
    final Adapter adapter = mRefreshableView.getAdapter();

    if (null == adapter || adapter.isEmpty())
    {
        if (DEBUG)
        {
            Log.d(LOG_TAG, "isFirstItemVisible. Empty View.");
        }
        return true;

    } else
    {

        /**
         * This check should really just be:
         * mRefreshableView.getFirstVisiblePosition() == 0, but PtRListView
         * internally use a HeaderView which messes the positions up. For
         * now we'll just add one to account for it and rely on the inner
         * condition which checks getTop().
         */
        if (mRefreshableView.getFirstVisiblePosition() <= 1)
        {
            final View firstVisibleChild = mRefreshableView.getChildAt(0);
            if (firstVisibleChild != null)
            {
                return firstVisibleChild.getTop() >= mRefreshableView.getTop();
            }
        }
    }

    return false;
}
 
Example 11
Source File: PullToRefreshAdapterViewBase.java    From BigApp_Discuz_Android with Apache License 2.0 5 votes vote down vote up
private boolean isLastItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Empty View.");
		}
		return true;
	} else {
		final int lastItemPosition = mRefreshableView.getCount() - 1;
		final int lastVisiblePosition = mRefreshableView.getLastVisiblePosition();

		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Last Item Position: " + lastItemPosition + " Last Visible Pos: "
					+ lastVisiblePosition);
		}

		/**
		 * This check should really just be: lastVisiblePosition ==
		 * lastItemPosition, but PtRListView internally uses a FooterView
		 * which messes the positions up. For me we'll just subtract one to
		 * account for it and rely on the inner condition which checks
		 * getBottom().
		 */
		if (lastVisiblePosition >= lastItemPosition - 1) {
			final int childIndex = lastVisiblePosition - mRefreshableView.getFirstVisiblePosition();
			final View lastVisibleChild = mRefreshableView.getChildAt(childIndex);
			if (lastVisibleChild != null) {
				return lastVisibleChild.getBottom() <= mRefreshableView.getBottom();
			}
		}
	}

	return false;
}
 
Example 12
Source File: PullToRefreshAdapterViewBase.java    From SweetMusicPlayer with Apache License 2.0 5 votes vote down vote up
private boolean isFirstItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isFirstItemVisible. Empty View.");
		}
		return true;

	} else {

		/**
		 * This check should really just be:
		 * mRefreshableView.getFirstVisiblePosition() == 0, but PtRListView
		 * internally use a HeaderView which messes the positions up. For
		 * now we'll just add one to account for it and rely on the inner
		 * condition which checks getTop().
		 */
		if (mRefreshableView.getFirstVisiblePosition() <= 1) {
			final View firstVisibleChild = mRefreshableView.getChildAt(0);
			if (firstVisibleChild != null) {
				return firstVisibleChild.getTop() >= mRefreshableView.getTop();
			}
		}
	}

	return false;
}
 
Example 13
Source File: PullToRefreshAdapterViewBase.java    From SwipeMenuAndRefresh with Apache License 2.0 5 votes vote down vote up
private boolean isFirstItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isFirstItemVisible. Empty View.");
		}
		return true;

	} else {

		/**
		 * This check should really just be:
		 * mRefreshableView.getFirstVisiblePosition() == 0, but PtRListView
		 * internally use a HeaderView which messes the positions up. For
		 * now we'll just add one to account for it and rely on the inner
		 * condition which checks getTop().
		 */
		if (mRefreshableView.getFirstVisiblePosition() <= 1) {
			final View firstVisibleChild = mRefreshableView.getChildAt(0);
			if (firstVisibleChild != null) {
				return firstVisibleChild.getTop() >= mRefreshableView.getTop();
			}
		}
	}

	return false;
}
 
Example 14
Source File: PullToRefreshAdapterViewBase.java    From Favorite-Android-Client with Apache License 2.0 5 votes vote down vote up
private boolean isLastItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Empty View.");
		}
		return true;
	} else {
		final int lastItemPosition = mRefreshableView.getCount() - 1;
		final int lastVisiblePosition = mRefreshableView.getLastVisiblePosition();

		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Last Item Position: " + lastItemPosition + " Last Visible Pos: "
					+ lastVisiblePosition);
		}

		/**
		 * This check should really just be: lastVisiblePosition ==
		 * lastItemPosition, but PtRListView internally uses a FooterView
		 * which messes the positions up. For me we'll just subtract one to
		 * account for it and rely on the inner condition which checks
		 * getBottom().
		 */
		if (lastVisiblePosition >= lastItemPosition - 1) {
			final int childIndex = lastVisiblePosition - mRefreshableView.getFirstVisiblePosition();
			final View lastVisibleChild = mRefreshableView.getChildAt(childIndex);
			if (lastVisibleChild != null) {
				return lastVisibleChild.getBottom() <= mRefreshableView.getBottom();
			}
		}
	}

	return false;
}
 
Example 15
Source File: PullToRefreshAdapterViewBase.java    From RefreashTabView with Apache License 2.0 5 votes vote down vote up
private boolean isLastItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Empty View.");
		}
		return true;
	} else {
		final int lastItemPosition = mRefreshableView.getCount() - 1;
		final int lastVisiblePosition = mRefreshableView.getLastVisiblePosition();

		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Last Item Position: " + lastItemPosition + " Last Visible Pos: "
					+ lastVisiblePosition);
		}

		/**
		 * This check should really just be: lastVisiblePosition ==
		 * lastItemPosition, but PtRListView internally uses a FooterView
		 * which messes the positions up. For me we'll just subtract one to
		 * account for it and rely on the inner condition which checks
		 * getBottom().
		 */
		if (lastVisiblePosition >= lastItemPosition - 1) {
			final int childIndex = lastVisiblePosition - mRefreshableView.getFirstVisiblePosition();
			final View lastVisibleChild = mRefreshableView.getChildAt(childIndex);
			if (lastVisibleChild != null) {
				return lastVisibleChild.getBottom() <= mRefreshableView.getBottom();
			}
		}
	}

	return false;
}
 
Example 16
Source File: PullToRefreshAdapterViewBase.java    From effective_android_sample with Apache License 2.0 5 votes vote down vote up
private boolean isFirstItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isFirstItemVisible. Empty View.");
		}
		return true;

	} else {

		/**
		 * This check should really just be:
		 * mRefreshableView.getFirstVisiblePosition() == 0, but PtRListView
		 * internally use a HeaderView which messes the positions up. For
		 * now we'll just add one to account for it and rely on the inner
		 * condition which checks getTop().
		 */
		if (mRefreshableView.getFirstVisiblePosition() <= 1) {
			final View firstVisibleChild = mRefreshableView.getChildAt(0);
			if (firstVisibleChild != null) {
				return firstVisibleChild.getTop() >= mRefreshableView.getTop();
			}
		}
	}

	return false;
}
 
Example 17
Source File: PullToRefreshAdapterViewBase.java    From LbaizxfPulltoRefresh with Apache License 2.0 5 votes vote down vote up
private boolean isLastItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Empty View.");
		}
		return true;
	} else {
		final int lastItemPosition = mRefreshableView.getCount() - 1;
		final int lastVisiblePosition = mRefreshableView.getLastVisiblePosition();

		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Last Item Position: " + lastItemPosition + " Last Visible Pos: "
					+ lastVisiblePosition);
		}

		/**
		 * This check should really just be: lastVisiblePosition ==
		 * lastItemPosition, but PtRListView internally uses a FooterView
		 * which messes the positions up. For me we'll just subtract one to
		 * account for it and rely on the inner condition which checks
		 * getBottom().
		 */
		if (lastVisiblePosition >= lastItemPosition - 1) {
			final int childIndex = lastVisiblePosition - mRefreshableView.getFirstVisiblePosition();
			final View lastVisibleChild = mRefreshableView.getChildAt(childIndex);
			if (lastVisibleChild != null) {
				return lastVisibleChild.getBottom() <= mRefreshableView.getBottom();
			}
		}
	}

	return false;
}
 
Example 18
Source File: PullToRefreshAdapterViewBase.java    From Social with Apache License 2.0 5 votes vote down vote up
private boolean isFirstItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isFirstItemVisible. Empty View.");
		}
		return true;

	} else {

		/**
		 * This check should really just be:
		 * mRefreshableView.getFirstVisiblePosition() == 0, but PtRListView
		 * internally use a HeaderView which messes the positions up. For
		 * now we'll just add one to account for it and rely on the inner
		 * condition which checks getTop().
		 */
		if (mRefreshableView.getFirstVisiblePosition() <= 1) {
			final View firstVisibleChild = mRefreshableView.getChildAt(0);
			if (firstVisibleChild != null) {
				return firstVisibleChild.getTop() >= mRefreshableView.getTop();
			}
		}
	}

	return false;
}
 
Example 19
Source File: PullToZoomExpandableListViewEx.java    From letv with Apache License 2.0 5 votes vote down vote up
private boolean isFirstItemVisible() {
    Adapter adapter = ((ExpandableListView) this.mRootView).getAdapter();
    if (adapter == null || adapter.isEmpty()) {
        return true;
    }
    if (((ExpandableListView) this.mRootView).getFirstVisiblePosition() <= 1) {
        View firstVisibleChild = ((ExpandableListView) this.mRootView).getChildAt(0);
        if (firstVisibleChild != null) {
            return firstVisibleChild.getTop() >= ((ExpandableListView) this.mRootView).getTop();
        }
    }
    return false;
}
 
Example 20
Source File: PullToRefreshAdapterViewBase.java    From Alibaba-Android-Certification with MIT License 5 votes vote down vote up
private boolean isLastItemVisible() {
	final Adapter adapter = mRefreshableView.getAdapter();

	if (null == adapter || adapter.isEmpty()) {
		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Empty View.");
		}
		return true;
	} else {
		final int lastItemPosition = mRefreshableView.getCount() - 1;
		final int lastVisiblePosition = mRefreshableView.getLastVisiblePosition();

		if (DEBUG) {
			Log.d(LOG_TAG, "isLastItemVisible. Last Item Position: " + lastItemPosition + " Last Visible Pos: "
					+ lastVisiblePosition);
		}

		/**
		 * This check should really just be: lastVisiblePosition ==
		 * lastItemPosition, but PtRListView internally uses a FooterView
		 * which messes the positions up. For me we'll just subtract one to
		 * account for it and rely on the inner condition which checks
		 * getBottom().
		 */
		if (lastVisiblePosition >= lastItemPosition - 1) {
			final int childIndex = lastVisiblePosition - mRefreshableView.getFirstVisiblePosition();
			final View lastVisibleChild = mRefreshableView.getChildAt(childIndex);
			if (lastVisibleChild != null) {
				return lastVisibleChild.getBottom() <= mRefreshableView.getBottom();
			}
		}
	}

	return false;
}