android.view.View#OnLongClickListener ( )源码实例Demo

private void addOnItemLongClickListener(@NonNull final VH holder){
    if (!itemLongClickEnable) return;
    if (onLongClickListener == null){
        onLongClickListener = new View.OnLongClickListener() {
            @Override
            public boolean onLongClick(View v) {
                int position = (int) v.getTag();
                if (onItemLongClickListener != null) {
                    return onItemLongClickListener.onItemLongClick(v, position, getItemAt(position), getItemViewType(position));
                }
                return false;
            }
        };
    }
    holder.itemView.setOnLongClickListener(onLongClickListener);
}
 

private View.OnLongClickListener getDefaultChildLongClickListener() {
    if (defaultChildLongClickListener == null)
        defaultChildLongClickListener = new View.OnLongClickListener() {
            @Override
            public boolean onLongClick(View v) {
                ensureBoundedRecyclerView();
                View itemView = recyclerView.findContainingItemView(v);
                int position = itemView == null ? -1 : recyclerView.getChildAdapterPosition(itemView) - getCustomHeaderSize();
                int viewType = getItemViewType(position);
                switch (viewType) {
                    case TYPE_HEADER:
                        return getOnItemChildLongClickListener() != null && getOnItemChildLongClickListener().onHeaderItemChildLongClick(v, position, getHeaderAt(position));
                    case TYPE_DATA:
                        return getOnItemChildLongClickListener() != null && getOnItemChildLongClickListener().onDataItemChildLongClick(v, position, getDataAt(position));
                    case TYPE_FOOTER:
                        return getOnItemChildLongClickListener() != null && getOnItemChildLongClickListener().onFooterItemChildLongClick(v, position, getFooterAt(position));
                    case TYPE_EMPTY:
                        return getOnItemChildLongClickListener() != null && getOnItemChildLongClickListener().onEmptyItemChildLongClick(v, position, getEmptyAt(position));
                    case UNKNOWN:
                    default:
                        return false;
                }
            }
        };
    return defaultChildLongClickListener;
}
 

private View.OnLongClickListener getMessageLongClickListener(final Wrapper<MESSAGE> wrapper) {
    return new View.OnLongClickListener() {
        @Override
        public boolean onLongClick(View view) {
            if (selectionListener == null) {
                notifyMessageLongClicked(wrapper.item);
                notifyMessageViewLongClicked(view, wrapper.item);
                return true;
            } else {
                isSelectionModeEnabled = true;
                view.performClick();
                return true;
            }
        }
    };
}
 

public static View.OnLongClickListener getLongClick(final Item item, final DragAction.Action action, final DesktopCallback desktopCallback) {
    return new View.OnLongClickListener() {
        @Override
        public boolean onLongClick(View view) {
            if (Setup.appSettings().getDesktopLock()) {
                return false;
            }
            if (Setup.appSettings().getGestureFeedback()) {
                Tool.vibrate(view);
            }
            startDrag(view, item, action, desktopCallback);
            return true;
        }
    };
}
 

/**
 * 设置长按事件
 * @param activity            {@link Activity}
 * @param onLongClickListener {@link View.OnLongClickListener}
 * @param viewIds             View id 数组
 * @return {@code true} success, {@code false} fail
 */
public static boolean setOnLongClicks(final Activity activity, final View.OnLongClickListener onLongClickListener, @IdRes final int... viewIds) {
    if (activity != null && onLongClickListener != null && viewIds != null) {
        for (int i = 0, len = viewIds.length; i < len; i++) {
            View findView = ViewUtils.findViewById(activity, viewIds[i]);
            if (findView != null) {
                findView.setOnLongClickListener(onLongClickListener);
            }
        }
        return true;
    }
    return false;
}
 

public GroupedRecyclerViewItemListItemView(
		@Nullable final Drawable icon,
		@NonNull final CharSequence text,
		final boolean hideDivider,
		@Nullable final View.OnClickListener clickListener,
		@Nullable final View.OnLongClickListener longClickListener) {

	mIcon = icon;
	mText = text;
	mHideDivider = hideDivider;
	mClickListener = clickListener;
	mLongClickListener = longClickListener;
}
 

public ViewHolder setOnLongClickListener(int viewId,
                                         View.OnLongClickListener listener)
{
    View view = getView(viewId);
    view.setOnLongClickListener(listener);
    return this;
}
 

/**
 * Get the OnLongClickListener to call when the user long-click on the item.
 * @param adapterHasListener true if the calling adapter has a global listener on the item.
 * @return the long-click listener to be put into the view.
 */
public View.OnLongClickListener getOnLongClickListener(boolean adapterHasListener) {
    if (isLongClickable() && adapterHasListener) {
        if (mViewHolderLongClickListener == null) {
            mViewHolderLongClickListener = new ViewHolderLongClickListener<>(this);
        }
    } else {
        mViewHolderLongClickListener = null;
    }
    return mViewHolderLongClickListener;
}
 

@Override
public void setOnLongClickListener(View.OnLongClickListener l) {
    mAttacher.setOnLongClickListener(l);
}
 

public abstract boolean onTouch(View view, MotionEvent motionEvent,
View.OnClickListener onClickListener,
View.OnLongClickListener onLongClickListener);
 

public void setOnLongClickListener(int res_id, View.OnLongClickListener onLongClickListener) {
    getView(res_id).setOnLongClickListener(onLongClickListener);
}
 

/**
 * use {@link BaldButton#setOnLongClickListener(android.view.View.OnLongClickListener)} instead
 */
@Deprecated
@Override
public void setOnLongClickListener(View.OnLongClickListener onLongClickListener) {
    throw new RuntimeException("use setOnClickListener(View.OnClickListener onClickListener) instead");
}
 

@Override public void setOnLongClickListener(View.OnLongClickListener listener) {
    mLongClickListener = listener;
}
 

public Builder setOnLongClickListener(View.OnLongClickListener onLongClickListener) {
    this.onLongClickListener = onLongClickListener;
    return this;
}
 

public void setOnLongClickListener(View.OnLongClickListener onLongClickListener) {
    this.outerOnLongClickListener = onLongClickListener;
}
 

public void setOnLongClickListener(View.OnLongClickListener onLongClickListener) {
    this.outerOnLongClickListener = onLongClickListener;
}
 

/**
 * 设置长按事件
 * @param onLongClickListener {@link View.OnLongClickListener}
 * @param views               View 数组
 * @return {@link ViewHelper}
 */
public ViewHelper setOnLongClicks(final View.OnLongClickListener onLongClickListener, final View... views) {
    ListenerUtils.setOnLongClicks(onLongClickListener, views);
    return this;
}
 

/**
 * Register a callback to be invoked when the Photo displayed by this view is long-pressed.
 *
 * @param listener - Listener to be registered.
 */
void setOnLongClickListener(View.OnLongClickListener listener);
 

/**
 * Register a callback to be invoked when the Photo displayed by this view is long-pressed.
 *
 * @param listener - Listener to be registered.
 */
void setOnLongClickListener(View.OnLongClickListener listener);
 

/**
 * Register a callback to be invoked when the Photo displayed by this view is long-pressed.
 *
 * @param listener - Listener to be registered.
 */
void setOnLongClickListener(View.OnLongClickListener listener);