android进度条 android进度条设置

今天小深来给大家分享一些关于android进度条设置方面的知识吧，希望大家会喜欢哦

1、使用此实现方式的步骤：package com.examplet;e.printStackTrace();import android.content.Context;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.LinearGradient;import android.graphics.Paint;import android.graphics.Paint.Style;import android.graphics.RectF;import android.graphics.Shader;public class CircleView extends View {Paint paint,textpaint;RectF area;int value = 100;LinearGradient shader;public CircleView(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);init();// TODO Auto-generated constructor stub}public CircleView(Context context, AttributeSet attrs) {init();// TODO Auto-generated constructor stub}public CircleView(Context context) {super(context);init();// TODO Auto-generated constructor stubthis.value = value;invalidate();paint = new Paint();paint.setColor(Color.WHITE);paint.setStyle(Style.STROKE);paint.setAntiAlias(true);textpaint = new Paint();textpaint.setTextSize(50f);textpaint.setColor(Color.WHITE);area = new RectF(100, 100, 500, 500);shader =new LinearGradient(0, 0, 400, 0, new int[] {Color.BLUE, Color.WHITE}, null,Shader.TileMode.CLAMP);paint.setShader(shader);protected void onDraw(Canvas canvas) {canvas.drawColor(Color.GRAY);canvas.drawArc(area, 120, 360value/100 , false, paint);canvas.drawText(value+"%", 270, while(progress 看下是不是你想要的，调用setprogress()既可调节圆环。

本文到这结束，希望上面文章对大家有所帮助。