建设摩托车网站,wordpress手动更新视频教程,商务网站建设期末考试,wordpress文章末尾添加版权信息Unity3D特效百例案例项目实战源码Android-Unity实战问题汇总游戏脚本-辅助自动化Android控件全解手册再战Android系列Scratch编程案例软考全系列Unity3D学习专栏蓝桥系列ChatGPT和AIGC
#x1f449;关于作者 专注于Android/Unity和各种游戏开发技巧#xff0c;以及各种资源分…Unity3D特效百例案例项目实战源码Android-Unity实战问题汇总游戏脚本-辅助自动化Android控件全解手册再战Android系列Scratch编程案例软考全系列Unity3D学习专栏蓝桥系列ChatGPT和AIGC
关于作者 专注于Android/Unity和各种游戏开发技巧以及各种资源分享网站、工具、素材、源码、游戏等 有什么需要欢迎底部卡片私我交流让学习不再孤单。 实践过程
GestureViewBinder
public class GestureViewBinder {private ScaleGestureBinder scaleGestureBinder;private ScrollGestureBinder scrollGestureBinder;private ScaleGestureListener scaleGestureListener;private ScrollGestureListener scrollGestureListener;private View targetView;private ViewGroup viewGroup;private boolean isScaleEnd true;private OnScaleListener onScaleListener;private boolean isFullGroup false;public static GestureViewBinder bind(Context context, ViewGroup viewGroup, View targetView) {return new GestureViewBinder(context, viewGroup, targetView);}private GestureViewBinder(Context context, ViewGroup viewGroup, View targetView) {this.targetView targetView;this.viewGroup viewGroup;scaleGestureListener new ScaleGestureListener(targetView, viewGroup);scrollGestureListener new ScrollGestureListener(targetView, viewGroup);scaleGestureBinder new ScaleGestureBinder(context, scaleGestureListener);scrollGestureBinder new ScrollGestureBinder(context, scrollGestureListener);targetView.setClickable(false);viewGroup.setOnTouchListener(new View.OnTouchListener() {SuppressLint(ClickableViewAccessibility)Overridepublic boolean onTouch(View v, MotionEvent event) {if (event.getPointerCount() 1 isScaleEnd) {return scrollGestureBinder.onTouchEvent(event);} else if (event.getPointerCount() 2 || !isScaleEnd) {isScaleEnd event.getAction() MotionEvent.ACTION_UP;if (isScaleEnd) {scaleGestureListener.onActionUp();}scrollGestureListener.setScale(scaleGestureListener.getScale());if (onScaleListener ! null) {onScaleListener.onScale(scaleGestureListener.getScale());}return scaleGestureBinder.onTouchEvent(event);}return false;}});}private void fullGroup() {targetView.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {Overridepublic boolean onPreDraw() {targetView.getViewTreeObserver().removeOnPreDrawListener(this);float viewWidth targetView.getWidth();float viewHeight targetView.getHeight();float groupWidth viewGroup.getWidth();float groupHeight viewGroup.getHeight();ViewGroup.LayoutParams layoutParams targetView.getLayoutParams();float widthFactor groupWidth / viewWidth;float heightFactor groupHeight / viewHeight;if (viewWidth groupWidth widthFactor * viewHeight groupHeight) {layoutParams.width (int) groupWidth;layoutParams.height (int) (widthFactor * viewHeight);} else if (viewHeight groupHeight heightFactor * viewWidth groupWidth) {layoutParams.height (int) groupHeight;layoutParams.width (int) (heightFactor * viewWidth);}targetView.setLayoutParams(layoutParams);return true;}});}public boolean isFullGroup() {return isFullGroup;}public void setFullGroup(boolean fullGroup) {isFullGroup fullGroup;scaleGestureListener.setFullGroup(fullGroup);scrollGestureListener.setFullGroup(fullGroup);fullGroup();}public void setOnScaleListener(OnScaleListener onScaleListener) {this.onScaleListener onScaleListener;}public interface OnScaleListener {void onScale(float scale);}
}ScaleGestureBinder
public class ScaleGestureBinder extends ScaleGestureDetector {ScaleGestureBinder(Context context, ScaleGestureListener scaleGestureListener) {super(context, scaleGestureListener);}Overridepublic boolean onTouchEvent(MotionEvent event) {return super.onTouchEvent(event);}}ScaleGestureListener
public class ScaleGestureListener implements ScaleGestureDetector.OnScaleGestureListener/*, GestureDetector.OnGestureListener, GestureDetector.OnDoubleTapListener */ {private View targetView;private float scale 1;private float scaleTemp 1;private boolean isFullGroup false;ScaleGestureListener(View targetView, ViewGroup viewGroup) {this.targetView targetView;}Overridepublic boolean onScale(ScaleGestureDetector detector) {scale scaleTemp * detector.getScaleFactor();targetView.setScaleX(scale);targetView.setScaleY(scale);return false;}Overridepublic boolean onScaleBegin(ScaleGestureDetector detector) {return true;}Overridepublic void onScaleEnd(ScaleGestureDetector detector) {scaleTemp scale;}float getScale() {return scale;}public boolean isFullGroup() {return isFullGroup;}void setFullGroup(boolean fullGroup) {isFullGroup fullGroup;}void onActionUp() {if (isFullGroup scaleTemp 1) {scale 1;targetView.setScaleX(scale);targetView.setScaleY(scale);scaleTemp scale;}}
}ScrollGestureBinder
class ScrollGestureBinder extends GestureDetector {ScrollGestureBinder(Context context, ScrollGestureListener scrollGestureListener) {super(context, scrollGestureListener);}
}ScrollGestureListener
public class ScrollGestureListener extends GestureDetector.SimpleOnGestureListener {private float scale 1;private View targetView;private ViewGroup viewGroup;private float distanceXTemp 0;private float distanceYTemp 0;private float viewWidthReal 0;private float viewHeightReal 0;private float viewWidthRealTemp 0;private float viewHeightRealTemp 0;private boolean isCalculate false;private int viewWidthNormal 0;private int viewHeightNormal 0;private int groupWidth 0;private int groupHeight 0;private float maxTranslationLeft 0;private float maxTranslationTop 0;private float maxTranslationRight 0;private float maxTranslationBottom 0;private boolean isFullGroup false;ScrollGestureListener(View targetView, ViewGroup viewGroup) {this.targetView targetView;this.viewGroup viewGroup;}Overridepublic boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {distanceX -distanceX;distanceY -distanceY;if (isFullGroup || scale 1) {if (viewWidthReal groupWidth) {translationXOnScrollEvent(distanceX);}if (viewHeightReal groupHeight) {translationYOnScrollEvent(distanceY);}} else {translationXOnScrollEvent(distanceX);translationYOnScrollEvent(distanceY);}return super.onScroll(e1, e2, distanceX, distanceY);}private void translationXOnScrollEvent(float distanceX) {//最大移动距离全部为正数所以需要通过判断distanceX的正负来判断是向左移动还是向右移动// 然后通过取distanceX的绝对值来和相应移动方向的最大移动距离比较if ((distanceX 0 Math.abs(distanceXTemp distanceX) maxTranslationLeft)|| (distanceX 0 distanceXTemp distanceX maxTranslationRight)) {distanceXTemp distanceX;targetView.setTranslationX(distanceXTemp);//如果超出边界就移动到最大距离防止边界有剩余量} else if ((distanceX 0 Math.abs(distanceXTemp distanceX) maxTranslationLeft)) {distanceXTemp -maxTranslationLeft;targetView.setTranslationX(-maxTranslationLeft);} else if ((distanceX 0 distanceXTemp distanceX maxTranslationRight)) {distanceXTemp maxTranslationRight;targetView.setTranslationX(maxTranslationRight);}}private void translationYOnScrollEvent(float distanceY) {if ((distanceY 0 Math.abs(distanceYTemp distanceY) maxTranslationTop)|| (distanceY 0 distanceYTemp distanceY maxTranslationBottom)) {distanceYTemp distanceY;targetView.setTranslationY(distanceYTemp);//如果超出边界就移动到最大距离防止边界有剩余量} else if ((distanceY 0 Math.abs(distanceYTemp distanceY) maxTranslationTop)) {distanceYTemp -maxTranslationTop;targetView.setTranslationY(-maxTranslationTop);} else if ((distanceY 0 distanceYTemp distanceY maxTranslationBottom)) {distanceYTemp maxTranslationBottom;targetView.setTranslationY(maxTranslationBottom);}}Overridepublic boolean onDown(MotionEvent e) {//计算能移动的最大距离if (!isCalculate) {isCalculate true;maxTranslationLeft targetView.getLeft();maxTranslationTop targetView.getTop();maxTranslationRight viewGroup.getWidth() - targetView.getRight();maxTranslationBottom viewGroup.getHeight() - targetView.getBottom();viewWidthNormal targetView.getWidth();viewHeightNormal targetView.getHeight();viewWidthRealTemp viewWidthNormal;viewHeightRealTemp viewHeightNormal;viewWidthReal viewWidthNormal;viewHeightReal viewHeightNormal;groupWidth viewGroup.getWidth();groupHeight viewGroup.getHeight();}return true;}void setScale(float scale) {viewWidthReal viewWidthNormal * scale;viewHeightReal viewHeightNormal * scale;//如果view比group小if (viewWidthReal groupWidth) {if (isFullGroup) {distanceXTemp 0;targetView.setTranslationX(0);}maxTranslationLeft targetView.getLeft() - (viewWidthReal - viewWidthNormal) / 2;maxTranslationRight (viewGroup.getWidth() - targetView.getRight()) - (viewWidthReal - viewWidthNormal) / 2;//如果移动距离超过最大可移动距离if (scale this.scale distanceXTemp 0 -distanceXTemp maxTranslationLeft) {float translate (viewWidthReal - viewWidthRealTemp) / 2;targetView.setTranslationX(targetView.getTranslationX() translate);distanceXTemp distanceXTemp translate;} else if (scale this.scale distanceXTemp 0 distanceXTemp maxTranslationRight) {float translate (viewWidthReal - viewWidthRealTemp) / 2;targetView.setTranslationX(targetView.getTranslationX() - translate);distanceXTemp distanceXTemp - translate;}} else {maxTranslationLeft (viewWidthReal - viewWidthNormal) / 2 - (viewGroup.getWidth() - targetView.getRight());maxTranslationRight (viewWidthReal - viewWidthNormal) / 2 - targetView.getLeft();if (scale this.scale distanceXTemp 0 -distanceXTemp maxTranslationLeft) {float translate (viewWidthRealTemp - viewWidthReal) / 2;targetView.setTranslationX(targetView.getTranslationX() translate);distanceXTemp distanceXTemp translate;} else if (scale this.scale distanceXTemp 0 distanceXTemp maxTranslationRight) {float translate (viewWidthRealTemp - viewWidthReal) / 2;targetView.setTranslationX(targetView.getTranslationX() - translate);distanceXTemp distanceXTemp - translate;}}if (viewHeightReal groupHeight) {maxTranslationTop targetView.getTop() - (viewHeightReal - viewHeightNormal) / 2;maxTranslationBottom (viewGroup.getHeight() - targetView.getBottom()) - (viewHeightReal - viewHeightNormal) / 2;if (isFullGroup) {distanceYTemp 0;targetView.setTranslationY(0);}//如果移动距离超过最大可移动距离if (scale this.scale distanceYTemp 0 -distanceYTemp maxTranslationTop) {float translate (viewHeightReal - viewHeightRealTemp) / 2;targetView.setTranslationY(targetView.getTranslationY() translate);distanceYTemp distanceYTemp translate;} else if (scale this.scale distanceYTemp 0 distanceYTemp maxTranslationBottom) {float translate (viewHeightReal - viewHeightRealTemp) / 2;targetView.setTranslationY(targetView.getTranslationY() - translate);distanceYTemp distanceYTemp - translate;}} else {maxTranslationTop (viewHeightReal - viewHeightNormal) / 2 - (viewGroup.getHeight() - targetView.getBottom());maxTranslationBottom (viewHeightReal - viewHeightNormal) / 2 - targetView.getTop();if (scale this.scale distanceYTemp 0 -distanceYTemp maxTranslationTop) {float translate (viewHeightRealTemp - viewHeightReal) / 2;targetView.setTranslationY(targetView.getTranslationY() translate);distanceYTemp distanceYTemp translate;} else if (scale this.scale distanceYTemp 0 distanceYTemp maxTranslationBottom) {float translate (viewHeightRealTemp - viewHeightReal) / 2;targetView.setTranslationY(targetView.getTranslationY() - translate);distanceYTemp distanceYTemp - translate;}}viewWidthRealTemp viewWidthReal;viewHeightRealTemp viewHeightReal;this.scale scale;}Overridepublic boolean onSingleTapUp(MotionEvent e) {float left viewWidthReal groupWidth ? 0 : (targetView.getLeft() - ((viewWidthReal - viewWidthNormal) / 2));float top viewHeightReal groupHeight ? 0 : (targetView.getTop() - ((viewHeightReal - viewHeightNormal) / 2));float right viewWidthReal groupWidth ? groupWidth : viewGroup.getWidth() - ((viewGroup.getWidth() - targetView.getRight()) - (viewWidthReal - viewWidthNormal) / 2);float bottom viewHeightReal groupHeight ? groupHeight : viewGroup.getHeight() - ((viewGroup.getHeight() - targetView.getBottom()) - (viewHeightReal - viewHeightNormal) / 2);RectF rectF new RectF(left, top, right, bottom);if (rectF.contains(e.getX(), e.getY())) {targetView.performClick();}return super.onSingleTapUp(e);}public boolean isFullGroup() {return isFullGroup;}void setFullGroup(boolean fullGroup) {isFullGroup fullGroup;}
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