Java Code Examples for androidx.viewpager.widget.PagerAdapter#POSITION_NONE

The following examples show how to use androidx.viewpager.widget.PagerAdapter#POSITION_NONE . 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: FragmentArrayStatePagerAdapter.java From assembly-adapter with Apache License 2.0

5 votes

@Override
public int getItemPosition(@NonNull Object object) {
    if (notifyNumberPool != null && notifyNumberPool.get(object.hashCode()) != notifyNumber) {
        notifyNumberPool.put(object.hashCode(), notifyNumber);
        return PagerAdapter.POSITION_NONE;
    }
    return super.getItemPosition(object);
}

Example 2

Source File: AssemblyFragmentPagerAdapter.java From assembly-adapter with Apache License 2.0

5 votes

@Override
public int getItemPosition(@NonNull Object object) {
    if (notifyNumberPool != null && notifyNumberPool.get(object.hashCode()) != notifyNumber) {
        notifyNumberPool.put(object.hashCode(), notifyNumber);
        return PagerAdapter.POSITION_NONE;
    }
    return super.getItemPosition(object);
}

Example 3

Source File: FragmentArrayPagerAdapter.java From assembly-adapter with Apache License 2.0

5 votes

@Override
public int getItemPosition(@NonNull Object object) {
    if (notifyNumberPool != null && notifyNumberPool.get(object.hashCode()) != notifyNumber) {
        notifyNumberPool.put(object.hashCode(), notifyNumber);
        return PagerAdapter.POSITION_NONE;
    }
    return super.getItemPosition(object);
}

Example 4

Source File: AssemblyPagerAdapter.java From assembly-adapter with Apache License 2.0

5 votes

@Override
public int getItemPosition(@NonNull Object object) {
    if (notifyNumberPool != null && notifyNumberPool.get(object.hashCode()) != notifyNumber) {
        notifyNumberPool.put(object.hashCode(), notifyNumber);
        return PagerAdapter.POSITION_NONE;
    }
    return super.getItemPosition(object);
}

Example 5

Source File: AssemblyFragmentStatePagerAdapter.java From assembly-adapter with Apache License 2.0

5 votes

@Override
public int getItemPosition(@NonNull Object object) {
    if (notifyNumberPool != null && notifyNumberPool.get(object.hashCode()) != notifyNumber) {
        notifyNumberPool.put(object.hashCode(), notifyNumber);
        return PagerAdapter.POSITION_NONE;
    }
    return super.getItemPosition(object);
}

Example 6

Source File: ArrayPagerAdapter.java From assembly-adapter with Apache License 2.0

5 votes

@Override
public int getItemPosition(@NonNull Object object) {
    if (notifyNumberPool != null && notifyNumberPool.get(object.hashCode()) != notifyNumber) {
        notifyNumberPool.put(object.hashCode(), notifyNumber);
        return PagerAdapter.POSITION_NONE;
    }
    return super.getItemPosition(object);
}

Example 7

Source File: TabStripHelper.java From ProjectX with Apache License 2.0

5 votes

boolean performClick() {
    boolean result = false;
    if (mClickable) {
        if (mClickPosition != PagerAdapter.POSITION_NONE) {
            final int position = mClickPosition;
            mClickPosition = PagerAdapter.POSITION_NONE;
            if (mView instanceof TabStripView)
                result = ((TabStripView) mView).performClick(position, mClickSmoothScroll);
            else if (mView instanceof TabStripViewGroup)
                result = ((TabStripViewGroup) mView).performClick(position, mClickSmoothScroll);
        }
    }
    if (mDoubleClickable) {
        if (mDoubleClicked) {
            final int first = mFirstPosition;
            final int second = mSecondPosition;
            mDoubleClicked = false;
            mFirstPosition = PagerAdapter.POSITION_NONE;
            mSecondPosition = PagerAdapter.POSITION_NONE;
            if (mView instanceof TabStripView)
                ((TabStripView) mView).performDoubleClick(first, second, mClickSmoothScroll);
            else if (mView instanceof TabStripViewGroup)
                ((TabStripViewGroup) mView).performDoubleClick(first, second, mClickSmoothScroll);
        }
    }
    return result;
}

Example 8

Source File: ScreenSlidePagerAdapter.java From ScrollGalleryView with MIT License

4 votes

@Override
public int getItemPosition(Object object) {
    return PagerAdapter.POSITION_NONE;
}

Example 9

Source File: TagTabStrip.java From ProjectX with Apache License 2.0

4 votes

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    final int count = mCount;
    final int position = mPosition;
    final float offset = mOffset;
    final int anotherPosition = mOffset == 0 ? PagerAdapter.POSITION_NONE : mPosition + 1;
    final Drawable selected = mSelected;
    final Drawable normal = mNormal;
    selected.setBounds(0, 0, selected.getIntrinsicWidth(), selected.getIntrinsicHeight());
    normal.setBounds(0, 0, normal.getIntrinsicWidth(), normal.getIntrinsicHeight());
    canvas.save();
    canvas.translate(mFirstCenterX, mFirstCenterY);
    float dx;
    float dy;
    float scale;
    for (int i = 0; i < count; i++) {
        if (i == position) {
            if (offset == 0) {
                scale = mScale;
                dx = selected.getIntrinsicWidth() * 0.5f;
                dy = selected.getIntrinsicHeight() * 0.5f;
                selected.setAlpha(255);
                canvas.save();
                canvas.translate(-dx, -dy);
                canvas.scale(scale, scale, dx, dy);
                selected.draw(canvas);
                canvas.restore();
            } else {
                scale = 1 + (mScale - 1) * (1 - offset);
                dx = normal.getIntrinsicWidth() * 0.5f;
                dy = normal.getIntrinsicHeight() * 0.5f;
                normal.setAlpha((int) Math.ceil(0xFF * offset));
                canvas.save();
                canvas.translate(-dx, -dy);
                canvas.scale(scale, scale, dx, dy);
                normal.draw(canvas);
                canvas.restore();
                dx = selected.getIntrinsicWidth() * 0.5f;
                dy = selected.getIntrinsicHeight() * 0.5f;
                selected.setAlpha((int) Math.ceil(0xFF * (1 - offset)));
                canvas.save();
                canvas.translate(-dx, -dy);
                canvas.scale(scale, scale, dx, dy);
                selected.draw(canvas);
                canvas.restore();
            }
        } else if (i == anotherPosition) {
            scale = 1 + (mScale - 1) * offset;
            dx = normal.getIntrinsicWidth() * 0.5f;
            dy = normal.getIntrinsicHeight() * 0.5f;
            normal.setAlpha((int) Math.ceil(0xFF * (1 - offset)));
            canvas.save();
            canvas.translate(-dx, -dy);
            canvas.scale(scale, scale, dx, dy);
            normal.draw(canvas);
            canvas.restore();
            dx = selected.getIntrinsicWidth() * 0.5f;
            dy = selected.getIntrinsicHeight() * 0.5f;
            selected.setAlpha((int) Math.ceil(0xFF * offset));
            canvas.save();
            canvas.translate(-dx, -dy);
            canvas.scale(scale, scale, dx, dy);
            selected.draw(canvas);
            canvas.restore();
        } else {
            dx = normal.getIntrinsicWidth() * 0.5f;
            dy = normal.getIntrinsicHeight() * 0.5f;
            normal.setAlpha(255);
            canvas.save();
            canvas.translate(-dx, -dy);
            normal.draw(canvas);
            canvas.restore();
        }
        canvas.translate(mItemCenterOffset, 0);
    }
    canvas.restore();
}

Example 10

Source File: StoryViewPagerAdapter.java From Instagram-Profile-Downloader with MIT License

4 votes

@Override
public int getItemPosition(Object object) {
    return PagerAdapter.POSITION_NONE;
}

Example 11

Source File: AFragmentStatePagerAdapter.java From BaseProject with Apache License 2.0

4 votes

@Override
public int getItemPosition(Object object) {
    return PagerAdapter.POSITION_NONE;
}

Example 12

Source File: ViewPagerFragmentAdapter.java From BaseProject with Apache License 2.0

4 votes

@Override
public int getItemPosition(Object object) {
    return PagerAdapter.POSITION_NONE;
}

Example 13

Source File: QiscusPhotoPagerAdapter.java From qiscus-sdk-android with Apache License 2.0

4 votes

@Override
public int getItemPosition(Object object) {
    return PagerAdapter.POSITION_NONE;
}

Example 14

Source File: CustomViewPager.java From AsteroidOSSync with GNU General Public License v3.0

4 votes

void dataSetChanged() {
    // This method only gets called if our observer is attached, so mAdapter is non-null.

    final int adapterCount = mAdapter.getCount();
    mExpectedAdapterCount = adapterCount;
    boolean needPopulate = mItems.size() < mOffscreenPageLimit * 2 + 1
            && mItems.size() < adapterCount;
    int newCurrItem = mCurItem;

    boolean isUpdating = false;
    for (int i = 0; i < mItems.size(); i++) {
        final ItemInfo ii = mItems.get(i);
        final int newPos = mAdapter.getItemPosition(ii.object);

        if (newPos == PagerAdapter.POSITION_UNCHANGED) {
            continue;
        }

        if (newPos == PagerAdapter.POSITION_NONE) {
            mItems.remove(i);
            i--;

            if (!isUpdating) {
                mAdapter.startUpdate(this);
                isUpdating = true;
            }

            mAdapter.destroyItem(this, ii.position, ii.object);
            needPopulate = true;

            if (mCurItem == ii.position) {
                // Keep the current item in the valid range
                newCurrItem = Math.max(0, Math.min(mCurItem, adapterCount - 1));
                needPopulate = true;
            }
            continue;
        }

        if (ii.position != newPos) {
            if (ii.position == mCurItem) {
                // Our current item changed position. Follow it.
                newCurrItem = newPos;
            }

            ii.position = newPos;
            needPopulate = true;
        }
    }

    if (isUpdating) {
        mAdapter.finishUpdate(this);
    }

    Collections.sort(mItems, COMPARATOR);

    if (needPopulate) {
        // Reset our known page widths; populate will recompute them.
        final int childCount = getChildCount();
        for (int i = 0; i < childCount; i++) {
            final View child = getChildAt(i);
            final LayoutParams lp = (LayoutParams) child.getLayoutParams();
            if (!lp.isDecor) {
                lp.widthFactor = 0.f;
            }
        }

        setCurrentItemInternal(newCurrItem, false, true);
        requestLayout();
    }
}

Example 15

Source File: VerticalViewPager.java From DKVideoPlayer with Apache License 2.0

4 votes

void dataSetChanged() {
    // This method only gets called if our observer is attached, so mAdapter is non-null.

    final int adapterCount = mAdapter.getCount();
    mExpectedAdapterCount = adapterCount;
    boolean needPopulate = mItems.size() < mOffscreenPageLimit * 2 + 1 &&
            mItems.size() < adapterCount;
    int newCurrItem = mCurItem;

    boolean isUpdating = false;
    for (int i = 0; i < mItems.size(); i++) {
        final ItemInfo ii = mItems.get(i);
        final int newPos = mAdapter.getItemPosition(ii.object);

        if (newPos == PagerAdapter.POSITION_UNCHANGED) {
            continue;
        }

        if (newPos == PagerAdapter.POSITION_NONE) {
            mItems.remove(i);
            i--;

            if (!isUpdating) {
                mAdapter.startUpdate(this);
                isUpdating = true;
            }

            mAdapter.destroyItem(this, ii.position, ii.object);
            needPopulate = true;

            if (mCurItem == ii.position) {
                // Keep the current item in the valid range
                newCurrItem = Math.max(0, Math.min(mCurItem, adapterCount - 1));
                needPopulate = true;
            }
            continue;
        }

        if (ii.position != newPos) {
            if (ii.position == mCurItem) {
                // Our current item changed position. Follow it.
                newCurrItem = newPos;
            }

            ii.position = newPos;
            needPopulate = true;
        }
    }

    if (isUpdating) {
        mAdapter.finishUpdate(this);
    }

    Collections.sort(mItems, COMPARATOR);

    if (needPopulate) {
        // Reset our known page widths; populate will recompute them.
        final int childCount = getChildCount();
        for (int i = 0; i < childCount; i++) {
            final View child = getChildAt(i);
            final LayoutParams lp = (LayoutParams) child.getLayoutParams();
            if (!lp.isDecor) {
                lp.heightFactor = 0.f;
            }
        }

        setCurrentItemInternal(newCurrItem, false, true);
        requestLayout();
    }
}

Example 16

Source File: DemoPagerAdapter.java From ScrollingPagerIndicator with Apache License 2.0

4 votes

@Override
public int getItemPosition(@NonNull Object object) {
    return PagerAdapter.POSITION_NONE;
}

Example 17

Source File: SliderPager.java From Android-Image-Slider with Apache License 2.0

4 votes

void dataSetChanged() {
    // This method only gets called if our observer is attached, so mAdapter is non-null.

    final int adapterCount = mAdapter.getCount();
    mExpectedAdapterCount = adapterCount;
    boolean needPopulate = mItems.size() < mOffscreenPageLimit * 2 + 1
            && mItems.size() < adapterCount;
    int newCurrItem = mCurItem;

    boolean isUpdating = false;
    for (int i = 0; i < mItems.size(); i++) {
        final ItemInfo ii = mItems.get(i);
        final int newPos = mAdapter.getItemPosition(ii.object);

        if (newPos == PagerAdapter.POSITION_UNCHANGED) {
            continue;
        }

        if (newPos == PagerAdapter.POSITION_NONE) {
            mItems.remove(i);
            i--;

            if (!isUpdating) {
                mAdapter.startUpdate(this);
                isUpdating = true;
            }

            mAdapter.destroyItem(this, ii.position, ii.object);
            needPopulate = true;

            if (mCurItem == ii.position) {
                // Keep the current item in the valid range
                newCurrItem = Math.max(0, Math.min(mCurItem, adapterCount - 1));
                needPopulate = true;
            }
            continue;
        }

        if (ii.position != newPos) {
            if (ii.position == mCurItem) {
                // Our current item changed position. Follow it.
                newCurrItem = newPos;
            }

            ii.position = newPos;
            needPopulate = true;
        }
    }

    if (isUpdating) {
        mAdapter.finishUpdate(this);
    }

    Collections.sort(mItems, COMPARATOR);

    if (needPopulate) {
        // Reset our known page widths; populate will recompute them.
        final int childCount = getChildCount();
        for (int i = 0; i < childCount; i++) {
            final View child = getChildAt(i);
            final LayoutParams lp = (LayoutParams) child.getLayoutParams();
            if (!lp.isDecor) {
                lp.widthFactor = 0.f;
            }
        }

        setCurrentItemInternal(newCurrItem, false, true);
        requestLayout();
    }
}

Example 18

Source File: MediaPagerAdapter.java From leafpicrevived with GNU General Public License v3.0

4 votes

@Override
public int getItemPosition(@NonNull Object object) {
    return PagerAdapter.POSITION_NONE;
}

Example 19

Source File: TabStripView.java From ProjectX with Apache License 2.0

2 votes

/**
 * 获取点击的页位置
 *
 * @param downX ACTION_DOWN X轴坐标
 * @param downY ACTION_DOWN Y轴坐标
 * @param upX   ACTION_UP X轴坐标
 * @param upY   ACTION_UP Y轴坐标
 * @return 位置
 */
protected int getClickedPosition(float downX, float downY, float upX, float upY) {
    return PagerAdapter.POSITION_NONE;
}

Example 20

Source File: TabStripViewGroup.java From ProjectX with Apache License 2.0

2 votes

/**
 * 获取点击的页位置
 *
 * @param downX ACTION_DOWN X轴坐标
 * @param downY ACTION_DOWN Y轴坐标
 * @param upX   ACTION_UP X轴坐标
 * @param upY   ACTION_UP Y轴坐标
 * @return 位置
 */
protected int getClickedPosition(float downX, float downY, float upX, float upY) {
    return PagerAdapter.POSITION_NONE;
}