android 斜线 绘制_Android 自定义 斜线进度框 雨点式背景

import android.content.Context;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Paint;

import android.util.AttributeSet;

import android.view.View;

import java.util.Random;

/**

* 斜线进度条

* author : stone

* email : aa86799@

* time : 15/10/22 11 11

*/

public class ObliqueProgressbar extends View {

private Paint mPaint;

private float mProgress;

public ObliqueProgressbar(Context context) {

this(context, null);

}

public ObliqueProgressbar(Context context, AttributeSet attrs) {

this(context, attrs, 0);

}

public ObliqueProgressbar(Context context, AttributeSet attrs, int defStyleAttr) {

super(context, attrs, defStyleAttr);

mPaint = new Paint();

mPaint.setAntiAlias(true);

}

@Override

protected void onDraw(Canvas canvas) {

super.onDraw(canvas);

if (mProgress == 0) return;

//碎片雨

mPaint.setColor(Color.parseColor("#a96ecb"));

mPaint.setStrokeWidth(3);

Random random = new Random();

int sx, sy;

for (int i = 0; i < 200; i++) {

sx = random.nextInt(getWidth() + 10);

sy = random.nextInt(getHeight() + 10);

// canvas.drawLine(sx, sy, sx+random.nextInt(5), sy+random.nextInt(5), mPaint);

canvas.drawCircle(sx, sy, random.nextInt(5) + 1, mPaint);

}

//进度

mPaint.setColor(Color.parseColor("#6AFFFFFF"));

mPaint.setStrokeWidth(15);

float x = mProgress * getWidth();

for (int i = 0; i < x; i += 30) {

canvas.drawLine(i - 30, -10, i + 30, getHeight() + 10, mPaint);

}

}

public void setProgress(float progress) {

this.mProgress = progress;

invalidate();

}

}