<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="NumberProgressBar">
<!--進(jìn)度條的當(dāng)前進(jìn)度值-->
<attr name="progress_current" format="integer"/>
<!--進(jìn)度條的最大進(jìn)度值-->
<attr name="progress_max" format="integer"/>
<!--當(dāng)前進(jìn)度值文本之后的進(jìn)度條顏色-->
<attr name="progress_unreached_color" format="color"/>
<!--當(dāng)前進(jìn)度值文本之前的進(jìn)度條顏色-->
<attr name="progress_reached_color" format="color"/>
<!-- 當(dāng)前進(jìn)度值文本之前的進(jìn)度條的高度-->
<attr name="progress_reached_bar_height" format="dimension"/>
<!--當(dāng)前進(jìn)度值文本之后的進(jìn)度條的高度-->
<attr name="progress_unreached_bar_height" format="dimension"/>
<!--當(dāng)前進(jìn)度值文本的字體大小-->
<attr name="progress_text_size" format="dimension"/>
<!--當(dāng)前進(jìn)度值文本的顏色-->
<attr name="progress_text_color" format="color"/>
<!--當(dāng)前進(jìn)度值之前文本的間距-->
<attr name="progress_text_offset" format="dimension"/>
<!--當(dāng)前進(jìn)度值文本是否可見-->
<attr name="progress_text_visibility" format="enum">
<enum name="visible" value="0"/>
<enum name="invisible" value="1"/>
</attr>
</declare-styleable>
<declare-styleable name="Themes">
<attr name="numberProgressBarStyle" format="reference"/>
</declare-styleable>
</resources>

<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="NumberProgressBar_Default">
<item name="android:layout_height">wrap_content</item>
<item name="android:layout_width">match_parent</item>
<item name="progress_max">100</item>
<item name="progress_current">0</item>
<item name="progress_unreached_color">#CCCCCC</item>
<item name="progress_reached_color">#3498DB</item>
<item name="progress_text_size">10sp</item>
<item name="progress_text_color">#3498DB</item>
<item name="progress_reached_bar_height">1.5dp</item>
<item name="progress_unreached_bar_height">0.75dp</item>
</style>
<style name="NumberProgressBar_Passing_Green">
<item name="android:layout_height">wrap_content</item>
<item name="android:layout_width">match_parent</item>
<item name="progress_max">100</item>
<item name="progress_current">0</item>
<item name="progress_unreached_color">#CCCCCC</item>
<item name="progress_reached_color">#70A800</item>
<item name="progress_text_size">10sp</item>
<item name="progress_text_color">#70A800</item>
<item name="progress_reached_bar_height">1.5dp</item>
<item name="progress_unreached_bar_height">0.75dp</item>
</style>
<style name="NumberProgressBar_Beauty_Red">
<item name="android:layout_height">wrap_content</item>
<item name="android:layout_width">match_parent</item>
<item name="progress_max">100</item>
<item name="progress_current">0</item>
<item name="progress_unreached_color">#CCCCCC</item>
<item name="progress_reached_color">#FF3D7F</item>
<item name="progress_text_size">10sp</item>
<item name="progress_text_color">#FF3D7F</item>
<item name="progress_reached_bar_height">1.5dp</item>
<item name="progress_unreached_bar_height">0.75dp</item>
</style>
<style name="NumberProgressBar_Warning_Red">
<item name="android:layout_height">wrap_content</item>
<item name="android:layout_width">match_parent</item>
<item name="progress_max">100</item>
<item name="progress_current">0</item>
<item name="progress_unreached_color">#CCCCCC</item>
<item name="progress_reached_color">#E74C3C</item>
<item name="progress_text_size">10sp</item>
<item name="progress_text_color">#E74C3C</item>
<item name="progress_reached_bar_height">1.5dp</item>
<item name="progress_unreached_bar_height">0.75dp</item>
</style>
<style name="NumberProgressBar_Relax_Blue">
<item name="android:layout_height">wrap_content</item>
<item name="android:layout_width">match_parent</item>
<item name="progress_max">100</item>
<item name="progress_current">0</item>
<item name="progress_unreached_color">#CCCCCC</item>
<item name="progress_reached_color">#6DBCDB</item>
<item name="progress_text_size">10sp</item>
<item name="progress_text_color">#6DBCDB</item>
<item name="progress_reached_bar_height">1.5dp</item>
<item name="progress_unreached_bar_height">0.75dp</item>
</style>
<style name="NumberProgressBar_Grace_Yellow">
<item name="android:layout_height">wrap_content</item>
<item name="android:layout_width">match_parent</item>
<item name="progress_max">100</item>
<item name="progress_current">0</item>
<item name="progress_unreached_color">#CCCCCC</item>
<item name="progress_reached_color">#FFC73B</item>
<item name="progress_text_size">10sp</item>
<item name="progress_text_color">#FFC73B</item>
<item name="progress_reached_bar_height">1.5dp</item>
<item name="progress_unreached_bar_height">0.75dp</item>
</style>
<style name="NumberProgressBar_Funny_Orange">
<item name="android:layout_height">wrap_content</item>
<item name="android:layout_width">match_parent</item>
<item name="progress_max">100</item>
<item name="progress_current">0</item>
<item name="progress_unreached_color">#CCCCCC</item>
<item name="progress_reached_color">#FF530D</item>
<item name="progress_text_size">10sp</item>
<item name="progress_text_color">#FF530D</item>
<item name="progress_reached_bar_height">1.5dp</item>
<item name="progress_unreached_bar_height">0.75dp</item>
</style>
<style name="NumberProgressBar_Twinkle_Night">
<item name="android:layout_height">wrap_content</item>
<item name="android:layout_width">match_parent</item>
<item name="progress_max">100</item>
<item name="progress_current">0</item>
<item name="progress_unreached_color">#CCCCCC</item>
<item name="progress_reached_color">#ECF0F1</item>
<item name="progress_text_size">10sp</item>
<item name="progress_text_color">#ECF0F1</item>
<item name="progress_reached_bar_height">1.5dp</item>
<item name="progress_unreached_bar_height">0.75dp</item>
</style>
</resources>

package com.daimajia.numberprogressbar;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.os.Bundle;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.view.View;
import static com.daimajia.numberprogressbar.NumberProgressBar.ProgressTextVisibility.Invisible;
import static com.daimajia.numberprogressbar.NumberProgressBar.ProgressTextVisibility.Visible;
/**
* Created by daimajia on 14-4-30.
*/
public class NumberProgressBar extends View {
/**
* 進(jìn)度值最大值
*/
private int mMaxProgress = 100;
/**
* Current progress, can not exceed the max progress.
* 當(dāng)前進(jìn)度值，不能超過進(jìn)度值最大值
*/
private int mCurrentProgress = 0;
/**
* The progress area bar color.
* 當(dāng)前進(jìn)度值文本之前的進(jìn)度條顏色
*/
private int mReachedBarColor;
/**
* The bar unreached area color.
* 當(dāng)前進(jìn)度值文本之后的進(jìn)度條顏色
*/
private int mUnreachedBarColor;
/**
* The progress text color.
* 當(dāng)前進(jìn)度值文本的顏色
*/
private int mTextColor;
/**
* The progress text size.
* 當(dāng)前進(jìn)度值文本的字體大小
*/
private float mTextSize;
/**
* The height of the reached area.
* 當(dāng)前進(jìn)度值文本之前的進(jìn)度條的高度
*/
private float mReachedBarHeight;
/**
* The height of the unreached area.
* 當(dāng)前進(jìn)度值文本之后的進(jìn)度條的高度
*/
private float mUnreachedBarHeight;
/**
* The suffix of the number.
* 當(dāng)前進(jìn)度值的百分比后綴
*/
private String mSuffix = "%";
/**
* The prefix.
* 當(dāng)前進(jìn)度值的百分比前綴
*/
private String mPrefix = "";
//當(dāng)前進(jìn)度值文本的默認(rèn)顏色
private final int default_text_color = Color.rgb(66, 145, 241);
//當(dāng)前進(jìn)度值文本的字體大小
private final float default_text_size;
//當(dāng)前進(jìn)度值之前的默認(rèn)進(jìn)度條顏色
private final int default_reached_color = Color.rgb(66, 145, 241);
//當(dāng)前進(jìn)度值之后的默認(rèn)進(jìn)度條顏色
private final int default_unreached_color = Color.rgb(204, 204, 204);
//當(dāng)前進(jìn)度值之前文本的默認(rèn)間距
private final float default_progress_text_offset;
//當(dāng)前進(jìn)度值文本之前的進(jìn)度條的默認(rèn)高度
private final float default_reached_bar_height;
//當(dāng)前進(jìn)度值文本之后的進(jìn)度條的默認(rèn)高度
private final float default_unreached_bar_height;
/**
* For save and restore instance of progressbar.
*/
private static final String INSTANCE_STATE = "saved_instance";
private static final String INSTANCE_TEXT_COLOR = "text_color";
private static final String INSTANCE_TEXT_SIZE = "text_size";
private static final String INSTANCE_REACHED_BAR_HEIGHT = "reached_bar_height";
private static final String INSTANCE_REACHED_BAR_COLOR = "reached_bar_color";
private static final String INSTANCE_UNREACHED_BAR_HEIGHT = "unreached_bar_height";
private static final String INSTANCE_UNREACHED_BAR_COLOR = "unreached_bar_color";
private static final String INSTANCE_MAX = "max";
private static final String INSTANCE_PROGRESS = "progress";
private static final String INSTANCE_SUFFIX = "suffix";
private static final String INSTANCE_PREFIX = "prefix";
private static final String INSTANCE_TEXT_VISIBILITY = "text_visibility";
//默認(rèn)顯示當(dāng)前進(jìn)度值文本 0為顯示，1為不顯示
private static final int PROGRESS_TEXT_VISIBLE = 0;
/**
* The width of the text that to be drawn.
* 要繪制的當(dāng)前進(jìn)度值的文本的寬度
*/
private float mDrawTextWidth;
/**
* The drawn text start.
* 要繪制的當(dāng)前進(jìn)度值的文本的起始位置
*/
private float mDrawTextStart;
/**
* The drawn text end.
* 要繪制的當(dāng)前進(jìn)度值的文本的結(jié)束位置
*/
private float mDrawTextEnd;
/**
* The text that to be drawn in onDraw().
* 要繪制的當(dāng)前進(jìn)度值的文本
*/
private String mCurrentDrawText;
/**
* The Paint of the reached area.
* 繪制當(dāng)前進(jìn)度值文本之前的進(jìn)度條的畫筆
*/
private Paint mReachedBarPaint;
/**
* The Paint of the unreached area.
* 繪制當(dāng)前進(jìn)度值文本之后的進(jìn)度條的畫筆
*/
private Paint mUnreachedBarPaint;
/**
* The Paint of the progress text.
* 繪制當(dāng)前進(jìn)度值文本的的畫筆
*/
private Paint mTextPaint;
/**
* Unreached bar area to draw rect.
* 當(dāng)前進(jìn)度值文本之后的進(jìn)度條（長方形）
*/
private RectF mUnreachedRectF = new RectF(0, 0, 0, 0);
/**
* Reached bar area rect.
* 當(dāng)前進(jìn)度值之前文本的進(jìn)度條（長方形）
*/
private RectF mReachedRectF = new RectF(0, 0, 0, 0);
/**
* The progress text offset.
* 當(dāng)前進(jìn)度值之前文本的間距
*/
private float mOffset;
/**
* Determine if need to draw unreached area.
* 是否繪制當(dāng)前進(jìn)度值之后的進(jìn)度條
*/
private boolean mDrawUnreachedBar = true;
/**
* 是否繪制當(dāng)前進(jìn)度值之前的進(jìn)度條
*/
private boolean mDrawReachedBar = true;
/**
* 是否繪制當(dāng)前進(jìn)度值文本
*/
private boolean mIfDrawText = true;
/**
* Listener
*/
private OnProgressBarListener mListener;
public enum ProgressTextVisibility {
Visible, Invisible
}
public NumberProgressBar(Context context) {
this(context, null);
}
public NumberProgressBar(Context context, AttributeSet attrs) {
this(context, attrs, R.attr.numberProgressBarStyle);
}
public NumberProgressBar(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
default_reached_bar_height = dp2px(1.5f);
default_unreached_bar_height = dp2px(1.0f);
default_text_size = sp2px(10);
default_progress_text_offset = dp2px(3.0f);
//獲取自定義屬性
final TypedArray attributes = context.getTheme().obtainStyledAttributes(attrs, R.styleable.NumberProgressBar,
defStyleAttr, 0);
mReachedBarColor = attributes.getColor(R.styleable.NumberProgressBar_progress_reached_color, default_reached_color);
mUnreachedBarColor = attributes.getColor(R.styleable.NumberProgressBar_progress_unreached_color, default_unreached_color);
mTextColor = attributes.getColor(R.styleable.NumberProgressBar_progress_text_color, default_text_color);
mTextSize = attributes.getDimension(R.styleable.NumberProgressBar_progress_text_size, default_text_size);
mReachedBarHeight = attributes.getDimension(R.styleable.NumberProgressBar_progress_reached_bar_height, default_reached_bar_height);
mUnreachedBarHeight = attributes.getDimension(R.styleable.NumberProgressBar_progress_unreached_bar_height, default_unreached_bar_height);
mOffset = attributes.getDimension(R.styleable.NumberProgressBar_progress_text_offset, default_progress_text_offset);
int textVisible = attributes.getInt(R.styleable.NumberProgressBar_progress_text_visibility, PROGRESS_TEXT_VISIBLE);
if (textVisible != PROGRESS_TEXT_VISIBLE) {
mIfDrawText = false;
}
setProgress(attributes.getInt(R.styleable.NumberProgressBar_progress_current, 0));
setMax(attributes.getInt(R.styleable.NumberProgressBar_progress_max, 100));
//回收 TypedArray,用于后續(xù)調(diào)用時(shí)可復(fù)用之?；厥盏絋ypedArrayPool池中，以備后用
attributes.recycle();
initializePainters();
}
@Override
protected int getSuggestedMinimumWidth() {
return (int) mTextSize;
}
@Override
protected int getSuggestedMinimumHeight() {
return Math.max((int) mTextSize, Math.max((int) mReachedBarHeight, (int) mUnreachedBarHeight));
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
/**
* MeasureSpec參數(shù)的值為int型，分為高32位和低16為，
* 高32位保存的是specMode，低16位表示specSize，
*
* specMode分三種：
1、MeasureSpec.UNSPECIFIED,父視圖不對(duì)子視圖施加任何限制，子視圖可以得到任意想要的大??；
2、MeasureSpec.EXACTLY，父視圖希望子視圖的大小是specSize中指定的大??；
3、MeasureSpec.AT_MOST，子視圖的大小最多是specSize中的大小。
*/
setMeasuredDimension(measure(widthMeasureSpec, true), measure(heightMeasureSpec, false));
}
private int measure(int measureSpec, boolean isWidth) {
int result;
int mode = MeasureSpec.getMode(measureSpec);
int size = MeasureSpec.getSize(measureSpec);
int padding = isWidth ? getPaddingLeft() + getPaddingRight() : getPaddingTop() + getPaddingBottom();
/**
父決定子的確切大小，子被限定在給定的邊界里，忽略本身想要的大小。
(當(dāng)設(shè)置width或height為match_parent時(shí)，模式為EXACTLY，因?yàn)樽觱iew會(huì)占據(jù)剩余容器的空間，所以它大小是確定的)
*/
if (mode == MeasureSpec.EXACTLY) {
result = size;
} else {
result = isWidth ? getSuggestedMinimumWidth() : getSuggestedMinimumHeight();
result += padding;
/**
*子最大可以達(dá)到的指定大小
* (當(dāng)設(shè)置為wrap_content時(shí)，模式為AT_MOST, 表示子view的大小最多是多少，這樣子view會(huì)根據(jù)這個(gè)上限來設(shè)置自己的尺寸)
*/
if (mode == MeasureSpec.AT_MOST) {
if (isWidth) {
result = Math.max(result, size);
} else {
result = Math.min(result, size);
}
}
}
return result;
}
@Override
protected void onDraw(Canvas canvas) {
//如果要繪制當(dāng)前進(jìn)度值文本
if (mIfDrawText) {
calculateDrawRectF();
}else {
calculateDrawRectFWithoutProgressText();
}
//如果要繪制當(dāng)前進(jìn)度值之前的進(jìn)度條
if (mDrawReachedBar) {
canvas.drawRect(mReachedRectF, mReachedBarPaint);
}
//如果要繪制當(dāng)前進(jìn)度值之后的進(jìn)度條
if (mDrawUnreachedBar) {
canvas.drawRect(mUnreachedRectF, mUnreachedBarPaint);
}
//繪制當(dāng)前進(jìn)度值文本
if (mIfDrawText)
canvas.drawText(mCurrentDrawText, mDrawTextStart, mDrawTextEnd, mTextPaint);
}
/**
* 初始化畫筆
*/
private void initializePainters() {
mReachedBarPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mReachedBarPaint.setColor(mReachedBarColor);
mUnreachedBarPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mUnreachedBarPaint.setColor(mUnreachedBarColor);
mTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mTextPaint.setColor(mTextColor);
mTextPaint.setTextSize(mTextSize);
}
/**
* 計(jì)算不要繪制當(dāng)前進(jìn)度值文本時(shí) 圖形的各個(gè)屬性
*/
private void calculateDrawRectFWithoutProgressText() {
//當(dāng)前進(jìn)度值不畫
//當(dāng)前進(jìn)度值之前的進(jìn)度條（長方形）的屬性
mReachedRectF.left = getPaddingLeft();
mReachedRectF.top = getHeight() / 2.0f - mReachedBarHeight / 2.0f;
mReachedRectF.right =
(getWidth() - getPaddingLeft() - getPaddingRight()) / (getMax() * 1.0f) * getProgress()
+ getPaddingLeft();
mReachedRectF.bottom = getHeight() / 2.0f + mReachedBarHeight / 2.0f;
//當(dāng)前進(jìn)度值之后的進(jìn)度條（長方形）的屬性
mUnreachedRectF.left = mReachedRectF.right;
mUnreachedRectF.right = getWidth() - getPaddingRight();
mUnreachedRectF.top = getHeight() / 2.0f + -mUnreachedBarHeight / 2.0f;
mUnreachedRectF.bottom = getHeight() / 2.0f + mUnreachedBarHeight / 2.0f;
}
/**
* 計(jì)算要繪制當(dāng)前進(jìn)度值文本時(shí) 圖形的各個(gè)屬性
*/
private void calculateDrawRectF() {
//要繪制的當(dāng)前進(jìn)度值的文本
mCurrentDrawText = String.format("%d", getProgress() * 100 / getMax());
mCurrentDrawText = mPrefix + mCurrentDrawText + mSuffix;
//要繪制的當(dāng)前進(jìn)度值的文本的寬度
mDrawTextWidth = mTextPaint.measureText(mCurrentDrawText);
//如果當(dāng)前進(jìn)度值為0，則不繪制當(dāng)前進(jìn)度值之前的進(jìn)度條
if (getProgress() == 0) {
mDrawReachedBar = false;
mDrawTextStart = getPaddingLeft();
}
//否則繪制當(dāng)前進(jìn)度值文本之前的進(jìn)度條
else {
mDrawReachedBar = true;
//當(dāng)前進(jìn)度值文本之前的進(jìn)度條（長方形）的屬性
mReachedRectF.left = getPaddingLeft();
mReachedRectF.top = getHeight() / 2.0f - mReachedBarHeight / 2.0f;
mReachedRectF.right= (getWidth() - getPaddingLeft() - getPaddingRight()) / (getMax() * 1.0f) * getProgress()
- mOffset + getPaddingLeft();
mReachedRectF.bottom = getHeight() / 2.0f + mReachedBarHeight / 2.0f;
//當(dāng)前進(jìn)度值的文本的起始位置
mDrawTextStart = (mReachedRectF.right + mOffset);
}
//當(dāng)前進(jìn)度值的文本的結(jié)束位置
mDrawTextEnd = (int) ((getHeight() / 2.0f) - ((mTextPaint.descent() + mTextPaint.ascent()) / 2.0f));
//如果畫不下當(dāng)前進(jìn)度值的文本了，就重新計(jì)算下當(dāng)前進(jìn)度值的文本的起始位置和當(dāng)前進(jìn)度值之前的進(jìn)度條（長方形）的右邊
if ((mDrawTextStart + mDrawTextWidth) >= getWidth() - getPaddingRight()) {
mDrawTextStart = getWidth() - getPaddingRight() - mDrawTextWidth;
mReachedRectF.right = mDrawTextStart - mOffset;
}
//當(dāng)前進(jìn)度值文本之后的進(jìn)度條的起始位置
float unreachedBarStart = mDrawTextStart + mDrawTextWidth + mOffset;
//如果畫不下進(jìn)度值文本之后的進(jìn)度條了，就不畫進(jìn)度值之后的進(jìn)度條
if (unreachedBarStart >= getWidth() - getPaddingRight()) {
mDrawUnreachedBar = false;
} else {
mDrawUnreachedBar = true;
//當(dāng)前進(jìn)度值文本之后的進(jìn)度條（長方形）的屬性
mUnreachedRectF.left = unreachedBarStart;
mUnreachedRectF.right = getWidth() - getPaddingRight();
mUnreachedRectF.top = getHeight() / 2.0f + -mUnreachedBarHeight / 2.0f;
mUnreachedRectF.bottom = getHeight() / 2.0f + mUnreachedBarHeight / 2.0f;
}
}
/**
* Get progress text color.
* 獲取當(dāng)前進(jìn)度值文本的顏色
* @return progress text color.
*/
public int getTextColor() {
return mTextColor;
}
/**
* Get progress text size.
* 獲取當(dāng)前進(jìn)度值文本的字體大小
* @return progress text size.
*/
public float getProgressTextSize() {
return mTextSize;
}
/**
* 獲取當(dāng)前進(jìn)度值文本之后的進(jìn)度條顏色
*/
public int getUnreachedBarColor() {
return mUnreachedBarColor;
}
/**
* 獲取當(dāng)前進(jìn)度值文本之前的進(jìn)度條顏色
*/
public int getReachedBarColor() {
return mReachedBarColor;
}
/**
* 獲取進(jìn)度條的當(dāng)前進(jìn)度值
*/
public int getProgress() {
return mCurrentProgress;
}
/**
* 獲取進(jìn)度條的最大值
*/
public int getMax() {
return mMaxProgress;
}
/**
* 獲取當(dāng)前進(jìn)度值文本之前的進(jìn)度條的高度
*/
public float getReachedBarHeight() {
return mReachedBarHeight;
}
/**
* 獲取當(dāng)前進(jìn)度值文本之后的進(jìn)度條的高度
*/
public float getUnreachedBarHeight() {
return mUnreachedBarHeight;
}
/**
* 設(shè)置當(dāng)前進(jìn)度值文本的字體大小
* @param textSize 當(dāng)前進(jìn)度值文本的字體大小
*/
public void setProgressTextSize(float textSize) {
this.mTextSize = textSize;
mTextPaint.setTextSize(mTextSize);
invalidate();
}
/**
* 設(shè)置當(dāng)前進(jìn)度值文本的顏色
* @param textColor 當(dāng)前進(jìn)度值文本的顏色
*/
public void setProgressTextColor(int textColor) {
this.mTextColor = textColor;
mTextPaint.setColor(mTextColor);
invalidate();
}
/**
* 設(shè)置當(dāng)前進(jìn)度值文本之后的進(jìn)度條顏色
* @param barColor 當(dāng)前進(jìn)度值文本之后的進(jìn)度條顏色
*/
public void setUnreachedBarColor(int barColor) {
this.mUnreachedBarColor = barColor;
mUnreachedBarPaint.setColor(mUnreachedBarColor);
invalidate();
}
/**
* 設(shè)置當(dāng)前進(jìn)度值文本之前的進(jìn)度條顏色
* @param progressColor 當(dāng)前進(jìn)度值文本之前的進(jìn)度條顏色
*/
public void setReachedBarColor(int progressColor) {
this.mReachedBarColor = progressColor;
mReachedBarPaint.setColor(mReachedBarColor);
invalidate();
}
/**
* 設(shè)置當(dāng)前進(jìn)度值文本之前的進(jìn)度條的高度
* @param height 當(dāng)前進(jìn)度值文本之前的進(jìn)度條的高度
*/
public void setReachedBarHeight(float height) {
mReachedBarHeight = height;
}
/**
* 設(shè)置當(dāng)前進(jìn)度值文本之后的進(jìn)度條的高度
* @param height 當(dāng)前進(jìn)度值文本之后的進(jìn)度條的高度
*/
public void setUnreachedBarHeight(float height) {
mUnreachedBarHeight = height;
}
/**
* 設(shè)置進(jìn)度值的最大值
* @param maxProgress 進(jìn)度值的最大值
*/
public void setMax(int maxProgress) {
if (maxProgress > 0) {
this.mMaxProgress = maxProgress;
invalidate();
}
}
/**
* 設(shè)置當(dāng)前進(jìn)度值文本的后綴
* @param suffix 當(dāng)前進(jìn)度值文本的后綴
*/
public void setSuffix(String suffix) {
if (suffix == null) {
mSuffix = "";
} else {
mSuffix = suffix;
}
}
/**
* 獲取當(dāng)前進(jìn)度值文本的后綴
*/
public String getSuffix() {
return mSuffix;
}
/**
* 設(shè)置當(dāng)前進(jìn)度值文本的前綴
* @param prefix 當(dāng)前進(jìn)度值文本的前綴
*/
public void setPrefix(String prefix) {
if (prefix == null)
mPrefix = "";
else {
mPrefix = prefix;
}
}
/**
* 獲取當(dāng)前進(jìn)度值文本的前綴
*/
public String getPrefix() {
return mPrefix;
}
/**
* 設(shè)置進(jìn)度條的當(dāng)前進(jìn)度值增加
* @param by 增加多少
*/
public void incrementProgressBy(int by) {
if (by > 0) {
setProgress(getProgress() + by);
}
if (mListener != null) {
//回調(diào)onProgressChange()方法來處理進(jìn)度值變化后的事件
mListener.onProgressChange(getProgress(), getMax());
}
}
/**
* 設(shè)置當(dāng)前進(jìn)度值
*
* @param progress 當(dāng)前進(jìn)度值
*/
public void setProgress(int progress) {
if (progress <= getMax() && progress >= 0) {
this.mCurrentProgress = progress;
invalidate();
}
}
@Override
protected Parcelable onSaveInstanceState() {
final Bundle bundle = new Bundle();
bundle.putParcelable(INSTANCE_STATE, super.onSaveInstanceState());
bundle.putInt(INSTANCE_TEXT_COLOR, getTextColor());
bundle.putFloat(INSTANCE_TEXT_SIZE, getProgressTextSize());
bundle.putFloat(INSTANCE_REACHED_BAR_HEIGHT, getReachedBarHeight());
bundle.putFloat(INSTANCE_UNREACHED_BAR_HEIGHT, getUnreachedBarHeight());
bundle.putInt(INSTANCE_REACHED_BAR_COLOR, getReachedBarColor());
bundle.putInt(INSTANCE_UNREACHED_BAR_COLOR, getUnreachedBarColor());
bundle.putInt(INSTANCE_MAX, getMax());
bundle.putInt(INSTANCE_PROGRESS, getProgress());
bundle.putString(INSTANCE_SUFFIX, getSuffix());
bundle.putString(INSTANCE_PREFIX, getPrefix());
bundle.putBoolean(INSTANCE_TEXT_VISIBILITY, getProgressTextVisibility());
return bundle;
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
if (state instanceof Bundle) {
final Bundle bundle = (Bundle) state;
mTextColor = bundle.getInt(INSTANCE_TEXT_COLOR);
mTextSize = bundle.getFloat(INSTANCE_TEXT_SIZE);
mReachedBarHeight = bundle.getFloat(INSTANCE_REACHED_BAR_HEIGHT);
mUnreachedBarHeight = bundle.getFloat(INSTANCE_UNREACHED_BAR_HEIGHT);
mReachedBarColor = bundle.getInt(INSTANCE_REACHED_BAR_COLOR);
mUnreachedBarColor = bundle.getInt(INSTANCE_UNREACHED_BAR_COLOR);
initializePainters();
setMax(bundle.getInt(INSTANCE_MAX));
setProgress(bundle.getInt(INSTANCE_PROGRESS));
setPrefix(bundle.getString(INSTANCE_PREFIX));
setSuffix(bundle.getString(INSTANCE_SUFFIX));
setProgressTextVisibility(bundle.getBoolean(INSTANCE_TEXT_VISIBILITY) ? Visible : Invisible);
super.onRestoreInstanceState(bundle.getParcelable(INSTANCE_STATE));
return;
}
super.onRestoreInstanceState(state);
}
/**
* dp轉(zhuǎn)px
*/
public float dp2px(float dp) {
final float scale = getResources().getDisplayMetrics().density;
return dp * scale + 0.5f;
}
/**
* sp轉(zhuǎn)px
*/
public float sp2px(float sp) {
final float scale = getResources().getDisplayMetrics().scaledDensity;
return sp * scale;
}
/**
* 設(shè)置是否繪制當(dāng)前進(jìn)度值文本
*/
public void setProgressTextVisibility(ProgressTextVisibility visibility) {
mIfDrawText = visibility == Visible;
invalidate();
}
/**
* 獲取是否繪制當(dāng)前進(jìn)度值文本
*/
public boolean getProgressTextVisibility() {
return mIfDrawText;
}
/**
* 設(shè)置進(jìn)度值變化時(shí)的監(jiān)聽器
*/
public void setOnProgressBarListener(OnProgressBarListener listener) {
mListener = listener;
}
}

<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:custom="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
android:orientation="vertical"
tools:context="com.daimajia.numberprogressbar.example.MainActivity=">
<com.daimajia.numberprogressbar.NumberProgressBar
android:id="@+id/numberbar1"
android:layout_width="wrap_content"
android:padding="20dp"
custom:progress_current="0"
style="@style/NumberProgressBar_Default"
android:layout_height="wrap_content" />
<com.daimajia.numberprogressbar.NumberProgressBar
android:id="@+id/numberbar2"
android:layout_height="wrap_content"
android:padding="20dp"
custom:progress_current="20"
android:layout_width="match_parent"
style="@style/NumberProgressBar_Passing_Green"
/>
<com.daimajia.numberprogressbar.NumberProgressBar
android:id="@+id/numberbar3"
android:layout_margin="20dp"
style="@style/NumberProgressBar_Relax_Blue"
custom:progress_current="30"
android:layout_height="wrap_content" />
<com.daimajia.numberprogressbar.NumberProgressBar
android:id="@+id/numberbar4"
android:layout_width="wrap_content"
android:layout_margin="20dp"
style="@style/NumberProgressBar_Grace_Yellow"
custom:progress_current="40"
android:layout_height="wrap_content" />
<com.daimajia.numberprogressbar.NumberProgressBar
android:id="@+id/numberbar5"
android:layout_width="wrap_content"
android:layout_margin="20dp"
custom:progress_current="50"
style="@style/NumberProgressBar_Warning_Red"
android:layout_height="wrap_content" />
<com.daimajia.numberprogressbar.NumberProgressBar
android:id="@+id/numberbar6"
android:layout_width="wrap_content"
android:layout_margin="20dp"
style="@style/NumberProgressBar_Funny_Orange"
custom:progress_current="60"
android:layout_height="wrap_content" />
<com.daimajia.numberprogressbar.NumberProgressBar
android:id="@+id/numberbar7"
android:layout_width="wrap_content"
android:layout_margin="20dp"
style="@style/NumberProgressBar_Beauty_Red"
custom:progress_current="70"
android:layout_height="wrap_content" />
<com.daimajia.numberprogressbar.NumberProgressBar
android:id="@+id/numberbar8"
android:layout_width="wrap_content"
android:layout_margin="20dp"
style="@style/NumberProgressBar_Twinkle_Night"
custom:progress_current="80"
android:layout_height="wrap_content" />
<com.daimajia.numberprogressbar.NumberProgressBar
android:id="@+id/numberbar9"
android:layout_width="wrap_content"
android:layout_margin="20dp"
custom:progress_current="20"
custom:progress_max="100"
custom:progress_unreached_color="#FF530D"
custom:progress_reached_color="#6DBCDB"
custom:progress_text_size="10sp"
custom:progress_text_color="#ECF0F1"
custom:progress_reached_bar_height="1.5dp"
custom:progress_unreached_bar_height="0.75dp"
android:layout_height="wrap_content" />
</LinearLayout>

package com.daimajia.numberprogressbar.example;
import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.widget.Toast;
import com.daimajia.numberprogressbar.NumberProgressBar;
import com.daimajia.numberprogressbar.OnProgressBarListener;
import java.util.Timer;
import java.util.TimerTask;
public class MainActivity extends Activity implements OnProgressBarListener {
private Timer timer;
private NumberProgressBar bnp;
private NumberProgressBar bnp9;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
bnp = (NumberProgressBar)findViewById(R.id.numberbar1);
bnp.setOnProgressBarListener(this);
bnp9 = (NumberProgressBar)findViewById(R.id.numberbar9);
bnp9.setPrefix("歐陽鵬：");
bnp9.setSuffix("% CSDN");
bnp9.setProgressTextSize(20);
bnp9.setProgressTextColor(Color.YELLOW);
bnp9.setProgressTextVisibility(NumberProgressBar.ProgressTextVisibility.Visible);
bnp9.setUnreachedBarColor(Color.RED);
bnp9.setReachedBarHeight(10);
bnp9.setReachedBarHeight(5);
timer = new Timer();
timer.schedule(new TimerTask() {
@Override
public void run() {
runOnUiThread(new Runnable() {
@Override
public void run() {
bnp.incrementProgressBy(1);
}
});
}
}, 1000, 100);
}
@Override
protected void onDestroy() {
super.onDestroy();
timer.cancel();
}
@Override
public void onProgressChange(int current, int max) {
if(current == max) {
Toast.makeText(getApplicationContext(), getString(R.string.finish), Toast.LENGTH_SHORT).show();
bnp.setProgress(0);
}
}
}