Android 日历方式显示的日期选择组件(日历控件之一)
运行结果:
此Widget组件只包含五个类文件:
DateWidgetDateWidgetDayCellDateWidgetDayHeaderDayStyleSymbolButton
*红色为启动的activity
DateWidget.java:
DateWidgetDayCell.java:package com.iaiai;import android.content.Context;import android.graphics.Canvas;import android.graphics.Paint;import android.graphics.RectF;import android.widget.Button;/** * * <p> * Title: SymbolButton.java * </p> * <p> * E-Mail: 176291935@qq.com * </p> * <p> * QQ: 176291935 * </p> * <p> * Http: iaiai.iteye.com * </p> * <p> * Create time: 2011-8-19 * </p> * * @author 丸子 * @version 0.0.1 */public class SymbolButton extends Button {// fieldsprivate static final int iColor = 0xffaaaaaa;private static final int iColorActive = 0xff442200;// fieldspublic enum symbol {none, arrowLeft, arrowRight};// fieldsprivate Paint pt = new Paint();private RectF rect = new RectF();private RectF rectDraw = new RectF();private symbol symbolType = symbol.none;// methodspublic SymbolButton(Context context, symbol symbolType) {super(context);this.symbolType = symbolType;}@Overridepublic void onDraw(Canvas canvas) {super.onDraw(canvas);pt.setAntiAlias(true);pt.setStrokeCap(Paint.Cap.ROUND);rectDraw.set(0, 0, getWidth(), getHeight());rectDraw.left += 6;rectDraw.right -= 6;rectDraw.top += 4;rectDraw.bottom -= 8;if (symbolType != symbol.none) {pt.setStrokeWidth(5);pt.setColor(iColor);if (this.isPressed() || this.isFocused())pt.setColor(iColorActive);drawArrow(canvas);}}private void drawArrow(Canvas canvas) {rect.set(rectDraw);rect.inset(15, 5);canvas.drawLine(rect.left, rect.centerY(), rect.right, rect.centerY(),pt);if (symbolType == symbol.arrowRight) {canvas.drawLine(rect.right, rect.centerY(), rect.right - 6,rect.top, pt);canvas.drawLine(rect.right, rect.centerY(), rect.right - 6,rect.bottom, pt);}if (symbolType == symbol.arrowLeft) {canvas.drawLine(rect.left, rect.centerY(), rect.left + 6, rect.top,pt);canvas.drawLine(rect.left, rect.centerY(), rect.left + 6,rect.bottom, pt);}}}1 楼 dai19900525 2012-03-30 能不能把各个类的作用说明一下
