毕设学习笔记整理说明Python和Pycharm使用方面因网络问题导致pycharm安装第三方库失败的解决办法将python程序打包为exe程序pyinstallerpy2exepycharm取消缩进Python函数方面python中 if __name__ __main__: 的作用与意义cv2.resize的用法只读取图像的单通道数值最值索引图像增…
1、AnimationDrawable java.lang.Object ↳android.graphics.drawable.Drawable ↳android.graphics.drawable.DrawableContainer ↳android.graphics.drawable.AnimationDrawable 文档概述:An object used to create frame-by-frame animations, defined …
1、public class View extends Objectimplements Drawable.Callback KeyEvent.Callback AccessibilityEventSourcejava.lang.Object ↳android.view.View Class Overview This class represents the basic building block for user interface components. A View occupies a …
1、public static class ViewGroup.LayoutParams extends Objectjava.lang.Object ↳android.view.ViewGroup.LayoutParams Class Overview LayoutParams are used by views to tell their parents how they want to be laid out. LayoutParams是ViewGroup的一个内部类, 每个…
1、当测量好一个View后就可以重写onDraw()方法,并在Canvas对象上绘制所需的图形。 public class Canvas extends Objectjava.lang.Object ↳android.graphics.Canvas Public ConstructorsCanvas()Construct an empty raster canvas.Canvas(Bitmap bitmap)Construc…
1、ViewGroup的测量public abstract class ViewGroup extends Viewimplements ViewManager ViewParent java.lang.Object ↳android.view.View ↳android.view.ViewGroup Class Overview
A ViewGroup is a special view that can contain other views (called children.)…