From 759c3e08c478cea60f04a4e6055c8f3f0b9b0bdc Mon Sep 17 00:00:00 2001 From: chen <151507670@qq.com> Date: Mon, 7 Jan 2019 22:29:20 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E6=89=8B=E5=8A=BF=E6=BB=91?= =?UTF-8?q?=E5=8A=A8=E6=95=88=E6=9E=9C?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../main/java/com/rulerlibrary/RulerView.java | 106 ++++++++++++------ 1 file changed, 73 insertions(+), 33 deletions(-) diff --git a/rulerlibrary/src/main/java/com/rulerlibrary/RulerView.java b/rulerlibrary/src/main/java/com/rulerlibrary/RulerView.java index feae206..42132fd 100644 --- a/rulerlibrary/src/main/java/com/rulerlibrary/RulerView.java +++ b/rulerlibrary/src/main/java/com/rulerlibrary/RulerView.java @@ -1,5 +1,6 @@ package com.rulerlibrary; +import android.animation.ValueAnimator; import android.content.Context; import android.content.res.TypedArray; import android.graphics.Canvas; @@ -12,10 +13,20 @@ import android.os.Build; import android.support.annotation.Nullable; import android.support.annotation.RequiresApi; +import android.support.v4.view.GestureDetectorCompat; +import android.support.v4.view.animation.FastOutLinearInInterpolator; import android.text.TextUtils; import android.util.AttributeSet; +import android.view.GestureDetector; import android.view.MotionEvent; import android.view.View; +import android.view.animation.AccelerateDecelerateInterpolator; +import android.view.animation.AccelerateInterpolator; +import android.view.animation.AnticipateInterpolator; +import android.view.animation.AnticipateOvershootInterpolator; +import android.view.animation.BounceInterpolator; +import android.view.animation.DecelerateInterpolator; +import android.view.animation.LinearInterpolator; /** * Created by HARRY on 2018/12/26. @@ -71,13 +82,15 @@ public class RulerView extends View { private String mUnitName; //滑动监听 private SizeViewValueChangeListener listener; + private GestureDetectorCompat mDetector; + private ValueAnimator animator; public RulerView(Context context) { - this(context,null); + this(context, null); } public RulerView(Context context, @Nullable AttributeSet attrs) { - this(context, attrs,0); + this(context, attrs, 0); } public RulerView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { @@ -93,6 +106,8 @@ public RulerView(Context context, @Nullable AttributeSet attrs, int defStyleAttr private void initView(Context context, AttributeSet attrs) { + mDetector = new GestureDetectorCompat(context, new RulerGestureListener()); + TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.RulerView); if (array != null) { String titleName = array.getString(R.styleable.RulerView_titleName); @@ -344,39 +359,64 @@ private void drawRulerLine(Canvas canvas, int indicatorValue) { @Override public boolean onTouchEvent(MotionEvent event) { - switch (event.getAction()) { - case MotionEvent.ACTION_DOWN: - mCurrentDownX = event.getX(); - //记录用户点击屏幕时候的坐标点 - mStartClickX = mCurrentDownX; - mStartClickY = event.getY(); - break; - case MotionEvent.ACTION_MOVE: - //只能是初始点击坐标在标尺范围内的，才可以移动尺标 - if (mStartClickX >= mLeft && mStartClickX <= mRight && - mStartClickY >= mTop && mStartClickY < mBottom) { - float moveX = event.getX(); - System.out.println("mCurrentDownX:" + mCurrentDownX + ",moveX:" + moveX); - float distance = moveX - mCurrentDownX; - mCurrentDownX = moveX; - float value = mCurrentValue - distance / mAverage; - System.out.println("value:" + value); - setCurrentValue(value); - invalidate(); - if (listener != null) { - listener.onValueChange((int) mCurrentValue); - } + return mDetector.onTouchEvent(event); + } + + private class RulerGestureListener extends GestureDetector.SimpleOnGestureListener { + @Override + public boolean onDown(MotionEvent e) { + if (animator != null) { + animator.cancel(); + } + mCurrentDownX = e.getX(); + //记录用户点击屏幕时候的坐标点 + mStartClickX = mCurrentDownX; + mStartClickY = e.getY(); + return true; + } + + @Override + public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { + System.out.println("onScroll"); + if (mStartClickX >= mLeft && mStartClickX <= mRight && + mStartClickY >= mTop && mStartClickY < mBottom) { + float value = mCurrentValue + distanceX / mAverage; + setCurrentValue(value); + invalidate(); + if (listener != null) { + listener.onValueChange((int) mCurrentValue); } - break; - case MotionEvent.ACTION_SCROLL: - float scrollX = event.getX(); - System.out.println("scrollX:" + scrollX); - break; - default: - break; + } + return true; + } + + @Override + public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { + System.out.println("onFling"); + if (mStartClickX >= mLeft && mStartClickX <= mRight && + mStartClickY >= mTop && mStartClickY < mBottom) { + if (animator != null) { + animator.cancel(); + } + animator = ValueAnimator.ofFloat(velocityX, 0); + animator.setDuration(1000); +// animator.setInterpolator(new LinearInterpolator()); + animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { + @Override + public void onAnimationUpdate(ValueAnimator animation) { + float animatedValue = (float) animation.getAnimatedValue(); + float value = mCurrentValue - (animatedValue * (float) 0.005) / mAverage; + setCurrentValue(value); + invalidate(); + if (listener != null) { + listener.onValueChange((int) mCurrentValue); + } + } + }); + animator.start(); + } + return true; } - //返回true使view来消费事件 - return true; } public void setCurrentValue(float value) {