本文实例为大家分享了Android实现支付宝记账饼图,点击旋转到最下面,供大家参考,具体内容如下
包com.example.a_102.myapplication7.ui;
进口java.util.ArrayList;
进口并不知道;
进口android.animation.Animator;
进口android.animation.ValueAnimator;
进口android.annotation.TargetApi;
进口android.content.Context;
进口android.graphics.BitmapFactory;
进口android.graphics.Canvas;
进口android.graphics.Color;
进口android.graphics.Paint;
进口android.graphics.Rect;
进口android.graphics.RectF;
进口android.os.Build;
进口android.text.TextUtils;
进口android.util.AttributeSet;
进口android.util.Log;
进口android.view.MotionEvent;
进口android.view.View;
进口android.view.animation.AccelerateInterpolator;
进口com.example.a_102.myapplication7.util.Util;/* *
*
*/公开课SelectPieView扩展视图{
私有静态最终字符串标签=癈ustomPie_tag”;
私人int宽度;
私人SelectPieCallBack mCallBack;
私人布尔initPostion=false;/* *
*当前选中的区域
*/私人int currentDownPostion;
公共SelectPieView(上下文语境){
超级(上下文);
}
公共SelectPieView(上下文语境,AttributeSet attrs) {
超级(上下文,attrs);
}
公共SelectPieView(上下文语境、AttributeSet attrs int defStyleAttr) {
超级(上下文、attrs defStyleAttr);
}
@Override
保护空白==? +”位置=" + datas.get (i) .getPostion ());
haveRoats。添加(新startAndRoatData (datas.get (i) .getPostion() % 360,开始结束));
开始=+终端+ emptysize开始;
}
textPaint.setStrokeWidth (Util.dip2px (getContext (), 1));/* *画图片*/for (int i=0;我& lt;haveRoats.size ();我+ +){
startAndRoatData startAndRoatData=https://www.yisu.com/zixun/haveRoats.get(我);
浮动x=0;
浮动y=0;
如果(!isRun & & currentDownPostion==haveRoats.get (i) .getPostion () & & datas.size ()> 1) {
x=(浮动)(数学
.cos(数学。π/180 * (startAndRoatData.getStartAng () + startAndRoatData.getRoatAng ()/2))
* (mIntRoot + mPaintWid/2) + mOutRoot);
y=(浮动)(数学
.sin(数学。π/180 * (startAndRoatData.getStartAng () + startAndRoatData.getRoatAng ()/2))
* (mIntRoot + mPaintWid/2) + mOutRoot);
其他}{
x=(浮动)(数学
.cos(数学。π/180 * (startAndRoatData.getStartAng () + startAndRoatData.getRoatAng ()/2))
* (mIntRoot + mPaintWid/2 - betweenSize) + mOutRoot);
y=(浮动)(数学
.sin(数学。π/180 * (startAndRoatData.getStartAng () + startAndRoatData.getRoatAng ()/2))
* (mIntRoot + mPaintWid/2 - betweenSize) + mOutRoot);
}
矩形矩形=new矩形((int) (x - mPaintWid/3), (int) (y - mPaintWid/3), (int) (x + mPaintWid/3),
(int) (y + mPaintWid/3));
int宽度=BitmapFactory.decodeResource (getresource (), datas.get (i) .getIcon ()) .getWidth ();//L=n(圆心角度数)×π(圆周率)×r(半径)/180(角度制)
如果(startAndRoatData.getRoatAng() *数学。π* (mIntRoot + mPaintWid/2)/180>宽度){
canvas.drawBitmap (BitmapFactory.decodeResource (getresource (), datas.get (i) .getIcon ()), null,矩形,
零);
}
}
textPaint.setStyle (Paint.Style.FILL);
textPaint.setTextSize (Util.dip2px (getContext (), 14));/* *写文字*/画布。drawText (mTitle,宽/2 - (textPaint.measureText (mTitle))/2,
宽/2 - Util.dip2px (getContext (), 8), textPaint);
textPaintSubTitle.setTextSize (Util.dip2px (getContext (), 20));
canvas.drawText (mSubTitle
宽/2 - (textPaintSubTitle.measureText (mSubTitle))/2 - (textPaintSubTitleDot.measureText (“。”+ mSubTitleDot)/2),
宽/2 + Util.dip2px (getContext (), 15), textPaintSubTitle);
textPaintSubTitleDot.setTextSize (Util.dip2px (getContext (), 15));
canvas.drawText (“。”+ mSubTitleDot,
宽/2 + textPaintSubTitle.measureText (mSubTitle)/2 - (textPaintSubTitleDot.measureText (“。”+ mSubTitleDot))/2,
宽/2 + Util.dip2px (getContext (), 15), textPaintSubTitleDot);//Toast.makeText (getContext (), "==" + textPaint.measureText (mSubTitle) Toast.LENGTH_SHORT),告诉();/* *测试基线*//*
* paint.setColor (Color.BLACK);
* paint.setStrokeWidth (Util.dip2px (getContext (), 1));
*
*画布。画直线(0,宽/2,宽,宽/2,油漆);
*画布。画直线(宽/2 0宽/2,宽度、油漆);
*//* *
*初始化位置
* */如果(! initPostion) {
initPostion=true;
startAndRoatData roatData=https://www.yisu.com/zixun/haveRoats.get (0);
浮动currentCenterAng=roatData.getStartAng () + roatData.getRoatAng ()/2;
如果(currentCenterAng
