android.support.v4.view.accessibility.AccessibilityNodeInfoCompat#ACTION_SCROLL_FORWARD源码实例Demo

下面列出了android.support.v4.view.accessibility.AccessibilityNodeInfoCompat#ACTION_SCROLL_FORWARD 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： likeJDGoodsDetails 文件： VerViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
	if (super.performAccessibilityAction(host, action, args)) {
		return true;
	}
	switch (action) {
		case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
			if (internalCanScrollVertically(1)) {
				setCurrentItem(mCurItem + 1);
				return true;
			}
		}
		return false;
		case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
			if (internalCanScrollVertically(-1)) {
				setCurrentItem(mCurItem - 1);
				return true;
			}
		}
		return false;
	}
	return false;
}

源代码2 项目： android-movies-demo 文件： ViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (canScrollHorizontally(1)) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        } return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (canScrollHorizontally(-1)) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        } return false;
    }
    return false;
}

源代码3 项目： VerticalViewPager 文件： VerticalViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (mAdapter != null && mCurItem >= 0 && mCurItem < mAdapter.getCount() - 1) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        }
        return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (mAdapter != null && mCurItem > 0 && mCurItem < mAdapter.getCount()) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        }
        return false;
    }
    return false;
}

源代码4 项目： UltimateAndroid 文件： ViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (canScrollHorizontally(1)) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        } return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (canScrollHorizontally(-1)) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        } return false;
    }
    return false;
}

源代码5 项目： InfiniteCycleViewPager 文件： VerticalViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (internalCanScrollVertically(1)) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        }
        return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (internalCanScrollVertically(-1)) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        }
        return false;
    }
    return false;
}

源代码6 项目： VerticalViewPager 文件： VerticalViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (mAdapter != null && mCurItem >= 0 && mCurItem < mAdapter.getCount() - 1) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        } return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (mAdapter != null && mCurItem > 0 && mCurItem < mAdapter.getCount()) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        } return false;
    }
    return false;
}

源代码7 项目： RxZhihuDaily 文件： ViewPagerCompact.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (canScrollHorizontally(1)) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        } return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (canScrollHorizontally(-1)) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        } return false;
    }
    return false;
}

源代码8 项目： ncalc 文件： NineOldViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (canScrollHorizontally(1)) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        }
        return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (canScrollHorizontally(-1)) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        }
        return false;
    }
    return false;
}

源代码9 项目： FlippableStackView 文件： OrientedViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if ((mOrientation == Orientation.VERTICAL && internalCanScrollVertically(1))
                    || (mOrientation == Orientation.HORIZONTAL && canScrollHorizontally(1))) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        }
        return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if ((mOrientation == Orientation.VERTICAL && internalCanScrollVertically(-1))
                    || (mOrientation == Orientation.HORIZONTAL && canScrollHorizontally(-1))) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        }
        return false;
    }
    return false;
}

源代码10 项目： AppCompat-Extension-Library 文件： RadialTimePickerView.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle arguments) {
    if (super.performAccessibilityAction(host, action, arguments)) {
        return true;
    }

    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD:
            adjustPicker(1);
            return true;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD:
            adjustPicker(-1);
            return true;
    }

    return false;
}

源代码11 项目： Muzesto 文件： VelocityViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (canScrollHorizontally(1)) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        } return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (canScrollHorizontally(-1)) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        } return false;
    }
    return false;
}

源代码12 项目： GifAssistant 文件： ViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (canScrollHorizontally(1)) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        } return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (canScrollHorizontally(-1)) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        } return false;
    }
    return false;
}

源代码13 项目： AppCompat-Extension-Library 文件： ViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (canScrollHorizontally(1)) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        } return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (canScrollHorizontally(-1)) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        } return false;
    }
    return false;
}

源代码14 项目： RxJavaApp 文件： ViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (canScrollHorizontally(1)) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        } return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (canScrollHorizontally(-1)) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        } return false;
    }
    return false;
}

源代码15 项目： DoubleViewPager 文件： HorizontalViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (mAdapter != null && mCurItem >= 0 && mCurItem < mAdapter.getCount() - 1) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        } return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (mAdapter != null && mCurItem > 0 && mCurItem < mAdapter.getCount()) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        } return false;
    }
    return false;
}

源代码16 项目： ticdesign 文件： VerticalViewPager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
            if (internalCanScrollVertically(1)) {
                setCurrentItem(mCurItem + 1);
                return true;
            }
        }
        return false;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
            if (internalCanScrollVertically(-1)) {
                setCurrentItem(mCurItem - 1);
                return true;
            }
        }
        return false;
    }
    return false;
}

源代码17 项目： fangzhuishushenqi 文件： DirectionalViewpager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }

    if (isHorizontal()) {
        switch (action) {
            case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
                if (canScrollHorizontally(1)) {
                    setCurrentItem(mCurItem + 1);
                    return true;
                }
            }
            return false;
            case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
                if (canScrollHorizontally(-1)) {
                    setCurrentItem(mCurItem - 1);
                    return true;
                }
            }
            return false;
        }
    } else {
        switch (action) {
            case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
                if (internalCanScrollVertically(1)) {
                    setCurrentItem(mCurItem + 1);
                    return true;
                }
            }
            return false;
            case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
                if (internalCanScrollVertically(-1)) {
                    setCurrentItem(mCurItem - 1);
                    return true;
                }
            }
            return false;
        }
    }
    return false;
}

源代码18 项目： date_picker_converter 文件： RadialPickerLayout.java

/**
 * When scroll forward/backward events are received, jump the time to the higher/lower
 * discrete, visible value on the circle.
 */
@Override
public boolean performAccessibilityAction(int action, Bundle arguments) {
    if (super.performAccessibilityAction(action, arguments)) {
        return true;
    }

    int changeMultiplier = 0;
    int forward;
    int backward;
    if (Build.VERSION.SDK_INT >= 16) {
        forward = AccessibilityNodeInfo.ACTION_SCROLL_FORWARD;
        backward = AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD;
    } else {
        forward = AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD;
        backward = AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD;
    }
    if (action == forward) {
        changeMultiplier = 1;
    } else if (action == backward) {
        changeMultiplier = -1;
    }
    if (changeMultiplier != 0) {
        int value = getCurrentlyShowingValue();
        int stepSize = 0;
        int currentItemShowing = getCurrentItemShowing();
        if (currentItemShowing == HOUR_INDEX) {
            stepSize = HOUR_VALUE_TO_DEGREES_STEP_SIZE;
            value %= 12;
        } else if (currentItemShowing == MINUTE_INDEX) {
            stepSize = MINUTE_VALUE_TO_DEGREES_STEP_SIZE;
        } else if (currentItemShowing == SECOND_INDEX) {
            stepSize = SECOND_VALUE_TO_DEGREES_STEP_SIZE;
        }

        int degrees = value * stepSize;
        degrees = snapOnly30s(degrees, changeMultiplier);
        value = degrees / stepSize;
        int maxValue = 0;
        int minValue = 0;
        if (currentItemShowing == HOUR_INDEX) {
            if (mIs24HourMode) {
                maxValue = 23;
            } else {
                maxValue = 12;
                minValue = 1;
            }
        } else {
            maxValue = 55;
        }
        if (value > maxValue) {
            // If we scrolled forward past the highest number, wrap around to the lowest.
            value = minValue;
        } else if (value < minValue) {
            // If we scrolled backward past the lowest number, wrap around to the highest.
            value = maxValue;
        }

        Timepoint newSelection;
        switch(currentItemShowing) {
            case HOUR_INDEX:
                newSelection = new Timepoint(
                        value,
                        mCurrentTime.getMinute(),
                        mCurrentTime.getSecond()
                );
                break;
            case MINUTE_INDEX:
                newSelection = new Timepoint(
                        mCurrentTime.getHour(),
                        value,
                        mCurrentTime.getSecond()
                );
                break;
            case SECOND_INDEX:
                newSelection = new Timepoint(
                        mCurrentTime.getHour(),
                        mCurrentTime.getMinute(),
                        value
                );
                break;
            default:
                newSelection = mCurrentTime;
        }

        setItem(currentItemShowing, newSelection);
        mListener.onValueSelected(newSelection);
        return true;
    }

    return false;
}

源代码19 项目： ankihelper 文件： DirectionalViewpager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }

    if (isHorizontal()) {
        switch (action) {
            case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
                if (canScrollHorizontally(1)) {
                    setCurrentItem(mCurItem + 1);
                    return true;
                }
            }
            return false;
            case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
                if (canScrollHorizontally(-1)) {
                    setCurrentItem(mCurItem - 1);
                    return true;
                }
            }
            return false;
        }
    } else {
        switch (action) {
            case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
                if (internalCanScrollVertically(1)) {
                    setCurrentItem(mCurItem + 1);
                    return true;
                }
            }
            return false;
            case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
                if (internalCanScrollVertically(-1)) {
                    setCurrentItem(mCurItem - 1);
                    return true;
                }
            }
            return false;
        }
    }
    return false;
}

源代码20 项目： BookReader 文件： DirectionalViewpager.java

@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
    if (super.performAccessibilityAction(host, action, args)) {
        return true;
    }

    if (isHorizontal()) {
        switch (action) {
            case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
                if (canScrollHorizontally(1)) {
                    setCurrentItem(mCurItem + 1);
                    return true;
                }
            }
            return false;
            case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
                if (canScrollHorizontally(-1)) {
                    setCurrentItem(mCurItem - 1);
                    return true;
                }
            }
            return false;
        }
    } else {
        switch (action) {
            case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD: {
                if (internalCanScrollVertically(1)) {
                    setCurrentItem(mCurItem + 1);
                    return true;
                }
            }
            return false;
            case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD: {
                if (internalCanScrollVertically(-1)) {
                    setCurrentItem(mCurItem - 1);
                    return true;
                }
            }
            return false;
        }
    }
    return false;
}

方法所在类

android.support.v4.view.accessibility.AccessibilityNodeInfoCompat