一、揄扬逼的价值
之前三篇写了Compose UI相关的文章。后来在群里看到有人发了一些链接，上面都是一些花里胡哨的导航栏规划,当然了恰当的花里胡哨了。然后自己觉得都能写,吹了一句"两小springcloud时我能搞定"后来证明的确有点揄扬逼,终究被大佬们点名了,让我8小时写出flutter中文官网来。当时觉得很简单，就着手了,事实是一顿分析猛如虎,两个小时原地杵。大佬spring面试题们都指名我写了,那么接下来咱们进jvm调优行分析和堆代码。
前三章
Jetpack-Compose根柢布局
JetPack-flutter是什么意思Compose – 自定义制作
JetPack-Compose – Fluttappearer 动态UI?
模仿的UI作用
二、回忆和分析
记住前三章fluttered咱们进行编写了如下作用如下:
在上两节咱们学习了Coflutter结构mpose的自定义,贴了许多自定义flutter菜鸟教程的文章,假定你需求进步自己自定义技能我建议你着手动脑下功夫,没有捷径可走。这篇文章咱们来应战一下下面的动画。
1、分解
刚开始看着动画或许比较生猛,一时半会反应不过来,当然GIF动画便是一帧帧的静态图片次第播映,所以用Mac就可以右键用选择系统自带的图片预览东西翻开,这样你就jvm优化可以分析动画的每个阶段的特效了。
分析如下
1. 默许进入界面
2. 过渡部分
3. 水滴别离Bjvm废物收回机制ootom
4. 康复原位软件技术是学什么
上面4个过程中或许你仔细走过每一个帧就会有自己的主jvm调优东西意。当然这儿不同人有不同的思路,只需作用对那便是对的。在我看来分Flutter为两部分制作一个是运动的水滴另一个是有凸起且有凹凸高低动效的底部。
2、运jvm废物收回机制动的水滴
向上运动的水滴,且逐突变圆,又有弹性。
1、水滴制作
制作apple正是由于贝塞尔曲线才突破了天花软件工程板。什么东西appreciate没apple有它flutter菜鸟教程搞不定的,画人物,山水,鸟兽….都离不开曲线。上面分析的水滴咱们当然也可以用贝塞尔曲线来处理。
圆也是可以经过贝塞尔曲线制作,用贝塞尔画圆需求因子.因子选择了圆的程度,圆的因子0.55191502appear4494f,我直接用的0.5也很圆,当然了我是为了核算便当而已,P1,P2,P4,P5,P7,P8,P10,P11都是半径的中点,P如下图操控点分别为p1-jvm内存结构>p2->p3段,p4->p5->p6段,p7->p8->p9段,p10->p11->p0段。
代码来一波
制作圆
1.将jvm参数坐标系移动到屏幕中心,转化坐标系圆点为屏幕中心。
2.求P1->P11之flutter是什么意思间的悉数坐标点。
3.制作Path即可
val paint = Paint()
paint.coloflutteringr = Color.RED
paintapp装置下载.style = Painspringboot常用注解t.Style.FILL
paint.strokeWidth = 10f
paint.isAntiAlias = true
val r = 200.0f
canvas.drawCirclapplicatione(100f,100f,100f,paint)
canvas.scale(1f, -1app装置下载f)
canvas.tranapproachslate(widapp装置下载th / 2f, -height / 2f)
//圆的坐标和中心点的坐标核算
//1.首要 原点为(0f,0f)且半径r=100f--->那么p6(0f,r),p5=(r/2,flutter菜鸟教程r),p4(r,r/2),p3(r,0f)
//2.第二象限里边 p2(r,-r/2),p1(r/2,-r)flutter中文官网,p0(0f,r)
//3.第三象限里边 p11(-r/2,-r),p10(-r,-r/2),p9(springboot常用注解-r,0f)
//4.第四象限里边 p8(-r,r/2),p7(r/2,r),p6(0f,r)spring结构
val P0 = PointF(0f, -r)
val P1 = PointF(r / 2, -r)
val P2 = PointF软件技术是学什么(r, -r / 2)
val P3 = PointF(r, 0f)
val P4 = PointF(r, rspringboot常用注解 / 2 )
val P5 = PointF(r / 2, r)
val P6 = PointF(0f, r )
val P7 = PointF(-r / 2, r )
val P8 = PointF(-r, r /approach 2)
vaAPPl P9 = PoinapproachtF(-r, 0f)
val P10 = PointF(-r, -r / 2)
val P11 = PointF(-r / 2, -r)
val path = Path()
path.moveTo(P0.x, P0.y )
//p1->p2->p3
path.cubicTo(P1.x, P1.y,appstore P2.x, P2.y , P3.xspringboot, P3.y)
//p4->p5->p6
path.cubicTo(P4.xspringcloud, P4.y, P5.x, P5.y, P6.x, P6.y)
//p7->p8->p9
path.cubicTo(P7.x, P7.y, P8.x, P8.y, P9.x, P9.y)
//p10->p11->p0
pat软件开发h.cubicTo(
P10.x,
P10.y ,
P11.x,
P11.y ,
P0.x,
P0.y
)
path.close()
canvas.drawPath(path, paint)
}
如下图作用:
制作水滴
水滴如下图片,下面有弧度咱们可以操控P10,P11,P0,P1,P2操控下面的弧度。下面三个图结合起来看应该比较清楚不清楚看看之前写的Aappearancendroid自定义-曲线突变填充
val paint = Pa软件商铺下载int()
paint.jvm内存结构color = Color.RED
paint.style = Paint.Style.FIspringboot常用注解LL
paint.strokeWidth = 10f
paint.i软件商铺sAntiAlias = true
val r = 200.0f
canvas.drawCircle(100f,100f,100f,paint)
canvas.scale(1f, -1f)
canvas.translate(width / 2f, -heiflutteringght / 2f)
//圆的坐标和中心点的坐标核算
//1.首要 原点为(0f,0f)且半径r=100f--->那么p6(0f,r),p5=(r/2,r),p4(r,r/2),p3(r,0f)
//2.第二象限里边 p2(r,-r/2appear),p1(r/2,-r),p0(0f,r)
//3.第三象限里边 p11(-r/2,-r),p10(-r,-app装置下载r/2),p9(-r,0f)
//4.第四象限里边 p8(-r,flutter是什么意思r/2),p7(r/2,r),p6(0f,r)
val P软件0 = PointF(0f, -r)
val P1软件库 = PappreciateoinapplicationtF(r / 2, -r)
val P2 = PointF(r, -r / 2)
val P3 = PointFspringcloud(r, 0f)
val P4 = PointF(r, r / 2 )
val P5 = PointF(r / 2, r)
val P6 = PointF(0f, r )
val P7 = PointF(-r / 2, r )
val P8 = PointF(-r, r / 2)
val P9 = PointF(-r, 0f)
val P10 = PointF(-r, -r / 2)
val P11 = PointF(-r / 2, -r)
val path = Path()apple
path.moveTo(P0.x, P0.y-60 )
//p1->p2->p3
path.cubicTo(P1.x, P1.y-30, P2.x, P2.y-30 , P3.x, P3.y)
//p4->p5->p6
path.cubicTo(P4.x, P4.y, P5.x, P5.y, P6.x, P6.y)
//p7->p8->p9
path.cubicTo(P7.x, P7jvm废物收回机制.y, P8.x, P8.y, P9.x, P9.y)
/jvm废物收回机制/p10->p11->p0
path.cubicTo(
P10.x,
P10.y-30 ,
P11.x,
P11.y-30 ,
P0.x,
P0.y-60
)
path.close()
canvas.drawPath(path, paint)
}
水滴转化为圆、springcloud五大组件水滴从下网上运动
上面咱们现已制作了园和水滴,差异便是操控点P1jvm调优面试题0,P11,P0,P1,P2进行了笔直方向改动,水滴上下运动也无非y值的不断增大。代码如下:
package com.example.andappstoreroid_draw.view.worter
import android.animation.ValueAnimator
import android.annotation.SuppressLint
import android.content.Context
imporspring面试题t android.graphics.*
import android.util.AttributeSflutter结构优缺点et
import android.view.MotionEvent
import android.view.View
import android.view.animation.Acceleratejvm调优DecelspringbooterateInterpolator
@SuppressLint("WrongConstant")
class LHC_WaterDrop_View @JvmOverloads constructor(
context: Context?,
attrs: AttributeSet? = null,
defStyleAttr: Int = 0
) : View(contexapp装置下载t, attrs, defStyleAttr) {
private var mCurAnimValuefluttering: Float = 1f
private var mCurAnimValueY: Float = 1f
private var animator: ValueAnimator = Value软件工程Aniflutteringmator.ofFloat(1f, 0f)
private var animatorY: ValueAnimflutter面试题ator = ValueAnimator.ofFloat(0f, 1f)
init {
animator.duration = 1500
animator.intjvm调优面试题erpolator = Accelerateflutter是什么意思Decelerajvm优化teInterpolator()
animator.addUpdateListener { animation ->
mCurAnimVaflutter菜鸟教程lue = animation.animatedValue as Float
invalijvm内存结构da软件工程te()
}
animator.repeatMode = ValueAnimator.INFINITE
animator.start()
animappearanceatorY.duration = 1500
animatorY.interpolator = AccelerateDespringbootcelerateInterpolator()
animatorY.addUpdateListener { animation ->
mCurAnimValueY = animaappstoretion.animatedVaspringcloud五大组件lue as Float
invalidate()
}
animatorYspringcloud五大组件.repeatMode = ValueAnimator.INFINITE
animatorY.stajvm调优rt()
}
@SuppressLint("DrawAllocation")
overrispring结构de fun onDraw(can软件工程专业vas: C软件技术anvas) {
super.onDraw(canvas)
val paint = Paint()
paint.color = Cflutter结构优缺点olor.RED
paint.style = Paint.Style.FILL
paint.strokeWidth = 10f
paint.isAnt软件商铺下载iAlias = trappreciateue
val r = 100.0f-60f*(1-mCurAnimValue)
canvas.drawCapproveircspringmvc的作业原理le(100f,100f,100f,paint)
canvas.scale(1fappstore, -1f)
canvas.translate(widthflutter是什么意思 / 2f, -height / 2f)
//圆的flutter结构优缺点坐标和中心spring点的坐标核算
//1.首要 原点为(0f,0f)且半径r=100f--->那么p6(0f,r),p5=(r/2,r),p4(r,r/2),p3apple(r,0f)
//2.第二象软件限里边 p2(r,-r/2),p1(r/2,-r),p0(0f,r)
//3.第三象限里边 p11(-r/2,-r),p10(-r,-r/flutter面试题2),p9(-r,spring面试题0f)
//4.第四象限里边 p8(-r,r/2),p7(r/2,r),p6(0f,r)
val P0 = PointF(0fspringboot, -r + mCurAnimValueY * 160)
val P1 = PointF(r / 2, -r + mCurAnimValueY * 160)
val P2 = PointF(r, -r / 2 + mCflutteringurAnimValuSpringeY * 160)
val P3 = PointF(r, 0f + mCurAnimValueY * 160)
val Pfluttering4 = PointF(r, r / 2 + mCurAnimValueY * 160)
val P5 = PointF(r / 2, r + mCurAnimValueY * 1Flutter60)
val P6 = PointF(0f, r + mCAPPurAnimValueY * 160)
val P7 = PointF(-r / 2, r + mCurAnimValueY * 160)
val P8 = PointF(-r, r / 2 + mCurAnimValueY * 160)
val P9 = PointF(-r, 0f + mCurAnimValueY * 160)
val P10 = PointF(-r, -r / 2 + mCurAnimValueY * 160)
val P11 = PointF(-r / 2, -r + mjvm调优CurAnimValueY * 160)
val path = Pajvm参数th()
path.moveTo(软件技术专业P0.x, P0.y - 60 * mCurAnimValue)
//p软件技术专业1->flutter结构优缺点p2->p3
path.cubicTo(P1.x, P1.y - 30 * mCurAnimValue,JVM P2.x, P2.y - 30 * mCurAnimValue, P3.x, P3.y)
//p4->p5->p6
path.cubicTo(P4.x, P4.y, P5.x, P5.y, P6.appearancex, P6.y)
//p7->p8->p9
path.cubispringmvc的作业原理cTflutter菜鸟教程o(P7.x, P7.y, P8.x, P8.y, P9.x, P9.y)
//p10-&gfluttershyt;p11->p0
path.cubicTo(
P10.x,
P10.y - 30 * mCurAnimValue,
P11.x,
P11.y - 30 * mCurAnimValue,
P0.x,
P0.y - 60 * mCurAnimValue
)
path.close()approach
canvas.drawPath(path, paint)
}
override fun onTouchEvent(event: MotappstoreionEvent): Boolean {
when (event.actflutter是什么意思ion an软件商铺下载d MotionEvent.ACTION_MASK) {
MotionEvent.ACTION_DOWN -> {
animator.start()
animatorY.stappearart()
}
}
return true
}
}
三、Compose代码编fluttered写
1、升起的水滴
首要咱们将宽度分为三等分,点击第一个底部导航按钮时分坐标圆点转化到如下黑色圆心处,就和上面的部分符合了。
//每次点击底部导航栏圆心需求转化application到每一等分中心方位
val centerjvm优化HdX = size.width / 3 / 2 + size.width / 3*clickIndex
//这儿坐标系方位圆点就为上边软件库线中点
canvas.translate(centerHdX, hjvm优化eight)
制作水滴
相同咱们制作好每个操控点即jvm参数可。然后将凌乱的数字简单化设置曲线即可。
Box(
mo软件技术difier = Modifier
.fillMaxWidth()
.height(100.dp)
.clickable() {}
) {
androidx.compose.foundation.Canvas(
modifier = Modifier
.fillMaxWidth()
.fillMaxHeight()
) {
drawIntoCanvas { canvasappreciate ->
/软件库/制作底部曲线到底部
canvas.translate(0f, size.heapproveight)
canvas.scale(1f, -1f)
//------jvm原理----Spring----------------------------------------------------------------
canvas.save()
//jvm内存模型中心凸起部分
val centerHdX = size.width / 3 / 2 + size.width / 3 * homeflutter值得学吗ViewModel.position.value!!
//这儿坐标系方位圆点就为上边线中点
canvas.translate(centerHdX, height)
//--fluttershy---------------------------spring面试题--------软件工程-------------------------------------
//制作弹性圆球
//假定点击的是index=0总共三个底部按钮spring结构
canvas.s软件技术专业ave()
//1,2,3
//将坐标系移动到点击部位()这样写起来比较爽好了解。将点击部位作为咱们的坐标系园点
val ceAPPnterX =
size.wi软件开发dth / 3 / 2 + size.width / 3 * homeViewModel.position.value!!
Log.e("圆点", "LoginPage: $centerX")
canvas.translate(cspring结构enterX, height * 2 / 3.2f)
//canvas.drawCircle(Offset(0f, 0f), 100f,jvm调优 paijvm原理nt)
//这儿咱们清楚坐标圆点之后咱们进行制作咱们的圆
val r =flutter结构优缺点 100f - 50 * (1 - mCurAnimValue)软件检验
//圆的坐标和中心点的坐标核flutter是什么意思算
//1.首要 原点为(0f,0f)且半application径r=100f--->那么p6(0f,r),p5=(r/2,r),p4(r,r/2),p3(r,0f)
//2.第二象限里边 p2(r,-r/2),p1(r/2,-r),p0(0f,r)
//3.第三象限里边 p11(-r/2,-r),appearancep10(-r,-r/2),p9(-r,0f)
//4.第四象限里边 p8(-r,r/2),p7(r/2,r),p6(0f,r)
Log.e("mCurAnimValueY", "LoginP软件库aflutteringge=: $mCurAnimValueY")spring
val moveTopHeight = mCurAnimVspringboot常用注解alueY * 250f
val P0 = Offset(0f, -r + moveTopHeight + animalScaleCan软件开发vasHeightValjvm优化ue)
val P1 =springboot常用注解 Offset(r / 2, -r + moveTopHeight + animalScaleCanvasHeightValue)
val P2 = Offset(r, -r / 2 + move软件工程专业TopHeight + animalScaleCanvasHeightValue)
val P3 = Offset(r, 0f + mappleoveTopHeight + animalScaleCanvasHeightValuspringe)软件商铺下载
val P4 = Offset(r, r / 2 + mospringveTopspringmvc的作业原理Height + animalScaleCanvapplicationasHeightValue)
val P5 = Offset(r / 2, r + moveTopHeight + animalScaleJVMCanvasHeightValue)
val P6 = Offset(0f, r + mo软件检验veTopHeijvm调优ght + animalScaleCanvasHeightflutter值得学吗Value)
valspringcloud P7 = Offset(-r / 2, r + moveTopHeight + animalScaleCanvasHeightValue)
val P8 = Offset(-r, r / 2 + moveTopHeight + animalScaleCanvasHeightVflutter菜鸟教程alue)
val P9 = Offseflutter中文官网t(-r, 0f + moveTopHeight + animalScaleCanvasHeightValue)
v软件开发al P10 = Offset(-r, -r / 2 + moveTopHeight + animappointmentalScaleCaflutter是什么意思nvasHeightValue)
val P11 = Offset(-r / 2, -r + moveTopHejvm内存模型ight + animalScaleCanvasHeightVjvm是什么意思alue)
val heightController = 180f
val pathReult = Path()
pathReul软件商铺下载t.moveTo(P0.x, P0.y - heightControllefluttershyr * mCurAnimValue)
//p1->p2->p3
pathReult.cubicTo(
P1.x,
P1.y - 30 * mCurAnimValue,
P2.x,
P2.y - 30 * mCurAnimValue,
P3.x,
P3.y
)
//p4->p5->p6
pathReult.cubicTo(P4.x, P4.y, P5.x, P5.y, P6软件库.x, P6.y)
//p7->p8->p9
pathReult.cubicTo(P7.jvm调优东西x, P7.y, P8.x, P8.y, P9.x, P9.y)
//p10->p11->p0
pathReult.cubicTo(
P软件工程专业10.x,
P10.spring面试题y - 30 * mCurAnimValue,软件检验
P11.x,
P11.spring结构y - 30 * mCurAnimValue,
P0.x,
P0.y - heightController * mCurAnimValue
)
pspring是什么意思athReult.close()
//
paint.color = Color(245, 215, 254, mCurspringAnimValueColor.vapp装置下载alue.toInt() * 255)
canvas.drawPath(pathReult, paint)
}
}
}
2、底部弧度转化
咱们看到底部弧度向上运动，当水滴向上一部分时分底部弧度Spring逐springcloud渐下降且半径缩小。相同这部分咱们寻找到操控点即可底部jvm原理整体的缩放也jvm是什么意思相同在X方向进行水平缩放，y轴方向进行竖直缩放即可。
//制作底部曲线到底部
//制作底部曲线到底部
canvas.translate(0f, size.height)
canvas.scale(1f, -1f)
val paint = androidx.compose.ui.graphics.Paint()
paint.sflutter是什么意思trokeWidth = 2f
paint.style软件检验 = Paintapp装置下载ingStyle.Fill
paint.color = Color(245, 215, 254, 255)
val height = 276f
val cicleHeight = height / 3
val ScaleHeight = animalScaleCanvasHeightValue
val ScaleWidth = animalScaleCanvasWidthValue
//操控脖子左边,一直在改动
val path = Path()
path.moveTo(0f + ScaleWidth, 0f)
pa软件技术是学什么th.lineTo(0f + ScaleWidth, heijvm内存模型ghtjvm内存结构 - cicleHeight + ScaleHejvm内存模型ight)
path.quadraticBezierTo(
0f + ScaleWidth,
height + ScaleHeight,
cicleHeight,
height + ScaleHeight
)flutter结构
//第一个左弧度
path.lineTo(size.width - cicleHeight - ScaleWidth, hflutter中文官网eight + ScaleHeight)
path.quadraticBezierTo(
size.width - Scaljvm调优东西eWidth,
height + ScaleHeight,
size.wid软件库th - ScaleWidth,
height - cicleHeighapplet + ScaleHeight
)
path.lineTo(size.width - ScaleWidth, 0f)
path.close()
canvflutteringas.drappearawPath(path, paint)
//--------------------------------------------------------------------------
canjvm内存结构vas.save()
//中心凸起部分
val centerHdX =
size.width / 3 / 2 + size.width / 3 * homeViewModel.position.value!!
//这儿坐标系方位圆点就为上边线中点
canvas.tjvm内存模型ranslate(centerHdX, height)
val R = 30f
//0-50是变大部分
val RH = mCurAnimalHeight
//50到-50是变为平
val p0 = Offset(-R, 0f + RH + animalScaleCanvasHeightValue)
val p1 = Offset(-R, R + RH + animalScaleCaAPPnvasHeightValue)
val p3 = Offset(0f, 2 * R - 30f + RH + animalScaleCanvasHeightValue)
val p5 =JVM Offset(R, R + RH + animalScaleCanvasHeightValue)
val p6 = Offset(R, 0f + RH + animalScjvm内存模型aleCanvasHeightValue)springcloud五大组件
val p7 = Offset(100f, -10f + animalScaleCanvasHeightValue)
val pathCub = Path()
pathCflutter值得学吗ub.moveTo(-100f, 0f + animalScaleCanvasHeightValue)
pathCub.cubicTo(jvm参数p0.x, p0.y, p1.x, p1.y, p3.x, p3.y)
pathCub.cubicTo(p5.x, p5.y, p6.x, p6.y, p7.x, p7.y)
canvas.drawPath(pathCub, paint)
//中心凸起部分落下
canvas.软件商铺下载restore()
四、终究代码
class Hoflutter是什么意思mspringboot面试题eViewModel: ViewModel() {
//主页选中项的索引
private vflutter值得学吗al _position = MutableLiveData(-1)
//动画情况
vaapprovel animalBoolean = mutableStateOf(true)
var position:软件LiveData<Int> = _position
//选中索引数据改写
var bootomType=true
fun positionChanged(selectedIndex: Intjvm参数){
_position.value=selectedIndex
}
}
@InternalComposeApi
@Composable
fun Bospring是什么意思ttomNavigationTwo(homeViewModespringboot常用注解l:Hspringmvc的作业原理omeViewModel软件技术是学什么){
valfluttering applyContext = currentComposer.applyCoroutineContext
val clickTrue = remember { mutableStateOf(false) }
val mCurAnimValueColor =spring结构 remember { Animatable(1f) }
val animalBooleanState: Float by anjvm是什么意思imateFloatAsState(
if (homeViewModel.animalBoolean.value) {
0f
} else {
1f
}, animationSpec = TweenSpec(durationMillis = 600),
finishedListener = {
if (it>=0.9f&&clickTrue.value){
homeViewModel.animalBoolean.value = !homeViewModel.animalBoolean.value
}
}
)
val stiffness = 100f
val animalScaleCanvasWidthValue: Fljvm废物收回机制oat by animateFloatAsState(
if (!clickTrue.value) {
0fspringcloud
} else {
3springboot0f
},
animationSpec = SpringSpec(stiffness = stiffness),
)
val animalScaleCanvasHeightValue: Float byappreciate animateFloatAsStafluttershyte(appreciate
if (!clickTrue.value) {
0f
} else {
30f
},
animatio软件开发nSpec = SpringSpec(stiffness = stiffnesspringsspringcloud五大组件),
)
val mCurAnimalHeight: Float by animateFloatAappreciatesState(
if (!clickTrue.valueflutter是什么意思) {
-30f
} else {
30f
},
animationSpec = SpringSpec(stijvm内存模型ffness = stif软件开发fnesjvm内存结构s),
)
val mCurapp装置下载AnimValueY: Float bjvm废物收回机制y animateFloatAsState(
if (!clickTrue.value) {
0f
} else {
1f
}, animationSpec软件技术是学什么 = SpringSpec(stiffness = stifspringboot常用注解fness),
finishedListener = {
if (it >= 0.9f && clickTrue.value) {
Cjvm参数oroflutter值得学吗utineScope软件技术专业(applyContext).launch {
mCurAnimValueColor.animateTo(
0f,
animationSpec = SpringSpespringcloudc(stiffness = stiffness)
)
}
}
if (it <= 0.01f && !clickSpringTrue.value) {
CoroutineScope(applyContext)软件工程专业.launch {
mCurAnimValueColor.animateappearTo(
1f,
ani软件mationSpec = SpringSpec(stiffnspring结构ess = stiffness)
)springboot面试题
}
}
//动画完毕->回归原本方位
if (it > 0.9f && clickTrue.value)flutter结构 {
clickspringmvc的作业原理True.value = !clickTrue.value
}
}Flutter
//TweenSpec(durationMillis = 1600)
// Duratio软件商铺nBasedAnimationSpec,jvm调优 Flo软件atSpappstoreringSpec, FloatTweenSpec, KeyframesSpec, RepeatableSpec, SnapSpec, SpringSpec, TweenSpec
)
//半径的选择动画
val mCurAnimValue:软件 Float by animateFloatAsState(
if (clickTrue.value) {
0f
} else {
1appstoref
}, anima软件tionSpec = Sprspringboot面试题ingSpec(dampingRjvm废物收回机制atio = 1f, stiffness = 30f)
)
Box(contentAlignment = Alignmentjvm内存模型.BottomCenter,
modifier = Modifier
.fillMaxWidth()
.fillMaxHeight()
) {
Box(
modifier = Modifierspring结构
.fJVMillMaxWspringbootidth()
.height(100.dp)
.cliapproveckable() {}
) {
androidx.composespringcloud五大组件.foundation.Canvas(
modifier = Modifier
.f软件检验illMaxWidth()
.fillMaxHeight()
) {
drawIntoCanvas { canvas ->
//制作底部曲线到底部
cFlutteranvas.translate(0f, size.height)
canvas.scale(1f, -1f)
val paint = androidx.compose.ui.graphics.Paint()
paint.strokeWidthflutter菜鸟教程 = 2f
paint.styleflutter结构 = PaintingStyle.Fill
paint.color = Colo软件商铺下载r(245, 21fluttered5, 254, 255)
val height = 276f
val cicleHeight = height / 3
val ScaleHeight = animalScaleCanvasHeightValue
val ScaleWiapp装置下载dth = animalScaleCanvasWidthValue
//操控脖子左边,一直在改动
val path = Path()
path.moveTo(0f + ScaleWidth, 0f)
path.lineTo(0f + ScaleWidth, height - cicleHeight + ScaleHeight)
path.quFlutteradraticBezierTo(
0f + ScaleWidth,
height + ScaleHeight,软件技术是学什么
cicleHeight,
height + ScaleHeight
)
//第一个左弧度flutter值得学吗
path.lineToflutter结构(size.width - cicleHeight - ScaleWidth, height + ScaleHeight)
patjvm优化h.quadraticBezierTo(
size.width - ScaleWidth,
height + ScaleHeight,
size.width - ScaleWidth,
heightappstore - cicleHeight + ScaleHeight
)
path.applicationlineTo(size.width - ScaleWidth, 0f)
path.close()jvm参数
canvas.drawPath(path, paint)
//-------------fluttershy--------------------------------------------------flutter面试题-----------
canvas.save()
//中心凸起部分
val centjvm调优东西erHdX =
size.width / 3 / 2 + size.width / 3 * homeViewModel.position.value!!
//这儿坐标系方位圆点就为上边线中点
canvas.translate(centerHdX, height)
val R = 30fapple
//0-50是变大部分
val RH = mCurAnimalHeight
//50到-50是变为平
val p0 = Offset(-R, 0f + RH + animalScaleCanvasHeiflutter菜鸟教程ghtValue)
val p1 = Offset(-R, R + RH + animalScaleCajvm调优nvasHeightValue)
val p3 = Offset(0f, 2 * R - 30f + RH + animalScaleCanvasHeightValue)
val p5 = Offset(R, R + RH + animalScaleCanvasHeightValue)
val p6 = Of软件fset(R, 0f + RH + animalScaleCanvasHeightValue)
val p7 = Oflutter结构优缺点ffset(100f, -10f + animalScaleCanvasHeightValue)
val pspring是什么意思athCub = Path()
pathCub.moveTo(-100f, 0f +fluttering animalScaleCjvm内存结构anvasHeightValue)
pathCub.cubicTo(p0.x, p0.yfluttershy, p1.x, p1fluttered.y, p3.x, p3.y)
pathCub.cubicTo(p5.x, p5.y, p6.x, p6.y, p7.x, p7.y)
canvas.drawPath(paspringboot常用注解thCub, paint)
//中心凸起部分落下
canvas.restore()
//-------------------flutter是什么意思----------------approach--------------软件-------------------------
//制作弹性圆球
//假定点击的是index=0总共三个底部按钮
canvas.save()
//1,2,3
//将坐标系移动到点击部位apple()这样写起来比较爽好了解。将点击部位作为咱们的坐标系园点
val centerX =
size.width / 3 / 2 + size.width / 3 * homeViewModel.position.value!!
Log.e("圆点", "LoginPage: $centerX")
canvas.translate(centerX, height * 2 / 3.2f)
//canvas.drawCircle(Offset(0f, 0f), 100f, paint)
//这儿我jvm调优东西们清楚坐标圆点之后springboot面试题咱们进行制软件工程造咱们的圆
val rspringboot面试题 = 100f软件开发 - 50 * (1 - mCurAnimVajvm内存模型lue)
//圆的坐标和中心点的坐标核算
//1.首要 原点为(0f,0f)且半径r=100f--->flutter中文官网那么p6(0f,rjvm调优东西),p5=软件检验(r/2,r),p4(r,r/2),p3(r,0f)
//2.第二象限里边 p2(r,-r/2),p1(r/2,-r),p0(0f,r)
//3.第三象限里边 p11(-r/2,-r),p10(-r,-r/2),p9(-r,0f)
//4.第四象限里边 p8(-r,r/2),p7(r/2,r),p6(0f,r)
Log.e("mCurAnimValueY", "LogiSpringnPage=: $mCurAnimValueY")appointment
val moveTopHeappearanceight = mCurAnimValueY * 250f
val P0 = Offset(0f, -r + moveTopHeight + animalScaleCanappstorevasHeightValue)
val P1 = Offset(r / 2, -r + moveTopHeight + animalSca软件检验leCanvasHeig软件技术专业htjvm调优Value)
val P2 = Offsjvm内存模型et(r, -r / 2 + moveTopHeSpringiapplicationght + animalScaleCanvasHeightVspringaluespring)
val P3 = Offset(r, 0f + moveTopHeigspringboot面试题ht + animalScaleCanvasHeightValuflutterede)
val P4 = Offset(r, r / 2 + moveTfluttershyopHeight + animalScaleCanvasHeightValue)
val P5 = Offset(r / 2, r + moveTopHeight + animalScaleCanvasHeightValuapp装置下载e)
val P6 = Offset(0f, r + moveTopHeight + animalScalspringboot常用注解eCanvaspringmvc的作业原理sHeightValue)
val P7 = Offset(-r / 2, r + mappointmentoveTopHeight + animalScaleCanvasHeightValue)
val P8 = Offset(-r, rjvm调优 / 2 + moveTopHeight + animalScaleCanvasHeightVspring面试题alue)
val P9 = Offset(-r, 0fspring面试题 + mo软件工程专业veTopHeight + animalScaleCanvasHeightValue)
val Pflutter中文官网10 = Offset(-r, -r / 2 + moveTopHeight + aniapproachmalScjvm内存模型aleCanvasHeightValue)
val P11 = Offset(-r / 2, -r + moveTopHeight + animalScaleCanvasHeightValue)
val heightController = 180f
val pathRapp装置下载eult = Path()
pathReult.moveTo(P0.x, P0.y - heightController * mCurAnim软件技术专业Value)flutter结构优缺点
//p1->p2->p3
pathReult.cubicTo(
P1.x,
P1.y -软件技术专业 30 *spring是什么意思 mCurAnimValue,
P2.x,
P2.y - 30 * mCurAnimValue,JVM
P3.x,
P3.y
)
//p4-&软件工程专业gt;p5->p6
pathReult.cubicTo(P4.x, P4.y, P5.x, P5.y, P6.x, P6.y)
//pfluttered7->p8->p9
pjvm内存模型athReult.cubicTo(P7.x, P7.y, P8.x, P8.y, P9.x, P9.y)
//p10->p11->p0
pathReult.cubicTo(
P10.x,
P10.y - 30 * mCurAnimValue,
P11.x,
P11.y - 30 * mCurAnimValue,
P0.x,
P0.y - heightController * mCurAnimValue
)
pathReult软件技术专业.close()
//
paint.color = Color(245, 215, 254, mCurAnimValueColor.value.toInt() * 255)
//canvas.drawPath(pathReult, paint)
}
}
}
Row(
modifier = Modifier.fillMa软件技术专业xWidth().heigflutter结构优缺点ht(200.springboot面试题dp), horizontalArrangement = Arrangement.SpaceAround,fluttershyverticalAlignment = Alignment.Bojvm参数ttom
) {
Image(
bitmap = getBitmap(resource = R.drawfluttershyable.h软件商铺ome),
contentDejvm调优面试题scription = "1",
modifier = Modifier
.modifiers(homeViewModel.position.value, 0, animalBooleanState)
.clickable {
homeViJVMewModel.positionChanged(0)
clickTrue.valuejvm调优面试题 = !clickTrue.value软件商铺下载
homeViewModel.an软件工程专业imalBoolean.value = !homeViewMojvm是什么意思del.animalBoolean.value
}
)
Image(
bitmap = getBitmap(resource = R.drawable.center),
contentDescription = "1",
modifier = Modifier
.modifiers(homeViewModel.position.value, 1, animalBooleanState)
.clickable {
homeViewModel.positionChanged(1)
clickTrue.value = !clickTrue.value
homeViewModel.animjvm原理alBoolean.value = !homeViewModel.animaflutteringlBoolean.value
}
)
Image(
bit软件商铺map = getBitmap(resour软件检验ce = R.drawable.min),
contentDescription = "1",
modifier = Modifier
.modifiers(homeViewModel.position.jvm是什么意思value, 2, animalBooleanStatflutter是什么意思e)
.clickable {
homeViewjvm调优Model.positionChanged(2)
cljvm调优面试题ickTrue.value = !clickTrue.value
homeVieappointmentwModel.animalBoospring是什么意思leanappreciate.value = !homeViewModel.animalBoolean.value
}
)
}
}
}
fun Modifier.modifiers(
animalCenterIndex: Int?,
i: Int,
animalBooleanState: Float
): Modifier {
Log.e("currentValue=", "modifiers: "+animalCenterIndex.toString()+"=="jvm优化+i )
return if (animalCenterspringbootIndexapp装置下载 == i) {
Modifspringbootier
.padding(bottom = 35.dp + (animalBooleanStateflutter面试题 * 100).dp)
.width(25.flutter中文官网dp)
.height(25.dp)
} else {
return Modifier
.padding(bottom = 35.dp - (animalBoflutter结构优缺点oleanState * 10).dp)
.width(25.dp)
.height(25.dp)
}
}
五、总结
炫酷的动软件库画不一定适用与平常的运用,功能反而下flutter结构优缺点降或许交互上愈加烦琐不方便,但是技jvm调优东西术无错,我信任只需能经过软件规划出来的2D动画作用或UI,咱们一定能经过相同的原理来结束作用。经过这几篇文章咱们从根柢的UI到各种各种花里胡哨的结束,UI应该勇于应战,勇于检验。这篇文章由于时间问题,动画的部分没有仔细的调整,假定用心调整animatispring结构onSjvm参数pec动画规则可以做到更靠近原动画spring是什么意思的粘性作用,当然动画部分会另起章节，假定我的文章能带给你帮忙或感受到丁点儿的炫酷那就留下大佬们的赞和贵重的定见。
有时间软件商铺下载我会补上下面的炫酷规划。
