android 遮罩 进度条,Android上传图片进度遮罩填充进度条FillProgressBar

/**

* @Title: FillProgressBar.java

* @Description: TODO

* @author: linuxiao

* Email: linuxiao@gmail.com

* @date 2014年10月13日 下午5:25:59

*/

package com.linuxiao.lib.view.fillprogressbar;

import java.text.NumberFormat;

import android.content.Context;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Paint;

import android.graphics.RectF;

import android.util.AttributeSet;

import android.view.View;

import android.view.ViewGroup;

import android.widget.FrameLayout;

/**

* @author linuxiao

* Email: linuxiao@gmail.com

* @date 2014年10月13日 下午5:25:59

*

*/

public class FillProgressBar extends FrameLayout {

private FillBarView mBarView;

private View mContentView;

private float progress = 0.5f;

/**

* 获取progress

* @return progress progress

*/

public float getProgress() {

return progress;

}

/**

* 设置progress

* @param progress progress

*/

public void setProgress(float progress) {

this.progress = progress;

mBarView.setProgress(progress);

}

/**

* 获取mContentView

* @return mContentView mContentView

*/

public View getContentView() {

if (mContentView == null&&getChildCount()>1) {

mContentView = getChildAt(1);

}

return mContentView;

}

/**

* 设置mContentView

* @param mContentView mContentView

*/

public void setContentView(View mContentView) {

this.mContentView = mContentView;

}

/**

* @param context

* @param attrs

* @param defStyle

*/

public FillProgressBar(Context context, AttributeSet attrs, int defStyle) {

super(context, attrs, defStyle);

init(context, attrs, defStyle);

}

/**

* 初始化

* @Title: init

* @Description: TODO

* @param context

* @param attrs

* @param defStyle

*/

private void init(Context context, AttributeSet attrs, int defStyle) {

// TODO Auto-generated method stub

mBarView = new FillBarView(getContext());

addView(mBarView);

}

/**

* @param context

* @param attrs

*/

public FillProgressBar(Context context, AttributeSet attrs) {

super(context, attrs);

init(context, attrs, 0);

}

/**

* @param context

*/

public FillProgressBar(Context context) {

super(context);

init(context, null, 0);

}

/* (non-Javadoc)

* @see android.widget.FrameLayout#onLayout(boolean, int, int, int, int)

*/

@Override

protected void onLayout(boolean changed, int l, int t, int r,

int b) {

mBarView.bringToFront();

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

View view = getChildAt(i);

view.layout(l, t, r, b);

}

}

private class FillBarView extends View{

private Paint[] mPaint;

private float progress = 0.5f;

/**

* 获取progress

* @return progress progress

*/

public float getProgress() {

return progress;

}

/**

* 设置progress

* @param progress progress

*/

public void setProgress(float progress) {

this.progress = progress;

postInvalidate();

}

/**

* @param context

* @param attrs

* @param defStyleAttr

*/

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

super(context, attrs, defStyleAttr);

init(context, attrs, defStyleAttr);

}

/**

* @param context

* @param attrs

*/

public FillBarView(Context context, AttributeSet attrs) {

super(context, attrs);

init(context, attrs, 0);

}

/**

* @param context

*/

public FillBarView(Context context) {

super(context);

init(context, null, 0);

}

private void init(Context context, AttributeSet attrs, int defStyle) {

mPaint = new Paint[2];

Paint titlePaint = new Paint();

titlePaint.setAntiAlias(true);

titlePaint.setTextSize(25);

titlePaint.setColor(Color.WHITE);

mPaint[0] = titlePaint;

Paint proBarPaint = new Paint();

proBarPaint.setColor(Color.GRAY);

proBarPaint.setAlpha(150);

proBarPaint.setAntiAlias(true);

mPaint[1] = proBarPaint;

}

/* (non-Javadoc)

* @see android.view.View#onDraw(android.graphics.Canvas)

*/

@Override

protected void onDraw(Canvas canvas) {

//super.onDraw(canvas);

int w = canvas.getWidth();

int h = canvas.getHeight();

RectF oval = new RectF(0,0 , w, h*(1-progress));

canvas.drawRect(oval, mPaint[1]);

NumberFormat num = NumberFormat.getPercentInstance();

num.setMaximumIntegerDigits(3);

num.setMaximumFractionDigits(2);

String title = num.format(progress);

int l = (int) mPaint[1].measureText(title);

if (title.equals("100%")) {

title = "";

}

canvas.drawText(title, w/2 - l/2, h/2-l/2, mPaint[0]);

}

}

}