仿饿了么加入购物车旋转控件 - 自带闪转腾挪动画 的按钮
2017-01-09 11:19 246 0
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xml:
<!--ʹÓÃĬÈÏUIÊôÐÔ-->
<com.mcxtzhang.lib.AnimShopButton android:id="@+id/btn1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:maxCount="3"/>
<!--ÉèÖÃÁËÁ½Ô²¼ä¾à-->
<com.mcxtzhang.lib.AnimShopButton android:id="@+id/btn2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:count="3"
app:gapBetweenCircle="90dp"
app:maxCount="99"/>
<!--·Â¶öÁËô-->
<com.mcxtzhang.lib.AnimShopButton android:id="@+id/btnEle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:addEnableBgColor="#3190E8"
app:addEnableFgColor="#ffffff"
app:hintBgColor="#3190E8"
app:hintBgRoundValue="15dp"
app:hintFgColor="#ffffff"
app:maxCount="99"/>1234567891011121314151617181920212223242512345678910111213141516171819202122232425
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| name | format | description | ÖÐÎĽâÊÍ |
|---|---|---|---|
| isAddFillMode | boolean | Plus button is opened Fill mode default is stroke (false) | ¼Ó°´Å¥ÊÇ·ñ¿ªÆôfillģʽ ĬÈÏÊÇstroke(false) |
| addEnableBgColor | color | The background color of the plus button | ¼Ó°´Å¥µÄ±³¾°É« |
| addEnableFgColor | color | The foreground color of the plus button | ¼Ó°´Å¥µÄÇ°¾°É« |
| addDisableBgColor | color | The background color when the button is not available | ¼Ó°´Å¥²»¿ÉÓÃʱµÄ±³¾°É« |
| addDisableFgColor | color | The foreground color when the button is not available | ¼Ó°´Å¥²»¿ÉÓÃʱµÄÇ°¾°É« |
| isDelFillMode | boolean | Plus button is opened Fill mode default is stroke (false) | ¼õ°´Å¥ÊÇ·ñ¿ªÆôfillģʽ ĬÈÏÊÇstroke(false) |
| delEnableBgColor | color | The background color of the minus button | ¼õ°´Å¥µÄ±³¾°É« |
| delEnableFgColor | color | The foreground color of the minus button | ¼õ°´Å¥µÄÇ°¾°É« |
| delDisableBgColor | color | The background color when the button is not available | ¼õ°´Å¥²»¿ÉÓÃʱµÄ±³¾°É« |
| delDisableFgColor | color | The foreground color when the button is not available | ¼õ°´Å¥²»¿ÉÓÃʱµÄÇ°¾°É« |
| radius | dimension | The radius of the circle | Ô²µÄ°ë¾¶ |
| circleStrokeWidth | dimension | The width of the circle | ԲȦµÄ¿í¶È |
| lineWidth | dimension | The width of the line (+ - sign) | Ïß(+ - ·ûºÅ)µÄ¿í¶È |
| gapBetweenCircle | dimension | The spacing between two circles | Á½¸öÔ²Ö®¼äµÄ¼ä¾à |
| numTextSize | dimension | The textSize of draws the number | »æÖÆÊýÁ¿µÄtextSize |
| maxCount | integer | max count | ×î´óÊýÁ¿ |
| count | integer | current count | µ±Ç°ÊýÁ¿ |
| hintText | string | The hint text when number is 0 | ÊýÁ¿Îª0ʱ£¬hintÎÄ×Ö |
| hintBgColor | color | The hint background when number is 0 | ÊýÁ¿Îª0ʱ£¬hint±³¾°É« |
| hintFgColor | color | The hint foreground when number is 0 | ÊýÁ¿Îª0ʱ£¬hintÇ°¾°É« |
| hingTextSize | dimension | The hint text size when number is 0 | ÊýÁ¿Îª0ʱ£¬hintÎÄ×Ö´óС |
| hintBgRoundValue | dimension | The background fillet value when number is 0 | ÊýÁ¿Îª0ʱ£¬hint±³¾°Ô²½ÇÖµ |
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@Override
protected void onDraw(Canvas canvas) { if (isHintMode) { //hint Õ¹¿ª
//±³¾°
mHintPaint.setColor(mHintBgColor);
RectF rectF = new RectF(mLeft, mTop
, mWidth - mCircleWidth, mHeight - mCircleWidth); canvas.drawRoundRect(rectF, mHintBgRoundValue, mHintBgRoundValue, mHintPaint); //Ç°¾°ÎÄ×Ö
mHintPaint.setColor(mHintFgColor); // ¼ÆËãBaseline»æÖƵÄÆðµãXÖá×ø±ê
int baseX = (int) (mWidth / 2 - mHintPaint.measureText(mHintText) / 2); // ¼ÆËãBaseline»æÖƵÄY×ø±ê
int baseY = (int) ((mHeight / 2) - ((mHintPaint.descent() + mHintPaint.ascent()) / 2)); canvas.drawText(mHintText, baseX, baseY, mHintPaint);
} else { //×ó±ß
//±³¾° Ô²
if (mCount > 0) {
mDelPaint.setColor(mDelEnableBgColor);
} else {
mDelPaint.setColor(mDelDisableBgColor);
}
mDelPaint.setStrokeWidth(mCircleWidth);
mDelPath.reset();
mDelPath.addCircle(mLeft + mRadius, mTop + mRadius, mRadius, Path.Direction.CW);
mDelRegion.setPath(mDelPath, new Region(mLeft, mTop, mWidth - getPaddingRight(), mHeight - getPaddingBottom())); canvas.drawPath(mDelPath, mDelPaint); //Ç°¾° -
if (mCount > 0) {
mDelPaint.setColor(mDelEnableFgColor);
} else {
mDelPaint.setColor(mDelDisableFgColor);
}
mDelPaint.setStrokeWidth(mLineWidth); canvas.drawLine(-mRadius / 2, 0,
+mRadius / 2, 0,
mDelPaint); //ÊýÁ¿
//ÊÇûÓж¯»µÄÆÕͨд·¨,x left, y baseLine
canvas.drawText(mCount + "", mLeft + mRadius * 2, mTop + mRadius - (mFontMetrics.top + mFontMetrics.bottom) / 2, mTextPaint); //ÓÒ±ß
//±³¾° Ô²
if (mCount < mMaxCount) {
mAddPaint.setColor(mAddEnableBgColor);
} else {
mAddPaint.setColor(mAddDisableBgColor);
}
mAddPaint.setStrokeWidth(mCircleWidth); float left = mLeft + mRadius * 2 + mGapBetweenCircle;
mAddPath.reset();
mAddPath.addCircle(left + mRadius, mTop + mRadius, mRadius, Path.Direction.CW);
mAddRegion.setPath(mAddPath, new Region(mLeft, mTop, mWidth - getPaddingRight(), mHeight - getPaddingBottom())); canvas.drawPath(mAddPath, mAddPaint); //Ç°¾° +
if (mCount < mMaxCount) {
mAddPaint.setColor(mAddEnableFgColor);
} else {
mAddPaint.setColor(mAddDisableFgColor);
}
mAddPaint.setStrokeWidth(mLineWidth); canvas.drawLine(left + mRadius / 2, mTop + mRadius, left + mRadius / 2 + mRadius, mTop + mRadius, mAddPaint); canvas.drawLine(left + mRadius, mTop + mRadius / 2, left + mRadius, mTop + mRadius / 2 + mRadius, mAddPaint);
}
}123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869
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/**
* Return true if the region contains the specified point
*/
public native boolean contains(int x, int y);12341234
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@Override public boolean onTouchEvent(MotionEvent event) { int action = event.getAction(); switch (action) { case MotionEvent.ACTION_DOWN: //hintģʽ
if (isHintMode) {
onAddClick(); return true;
} else { if (mAddRegion.contains((int) event.getX(), (int) event.getY())) {
onAddClick(); return true;
} else if (mDelRegion.contains((int) event.getX(), (int) event.getY())) {
onDelClick(); return true;
}
} break; case MotionEvent.ACTION_MOVE: break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: break;
} return super.onTouchEvent(event);
}123456789101112131415161718192021222324252627123456789101112131415161718192021222324252627
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protected void onDelClick() { if (mCount > 0) {
mCount--;
onCountDelSuccess();
}
} protected void onAddClick() { if (mCount < mMaxCount) {
mCount++;
onCountAddSuccess();
} else {
}
} /**
* ÊýÁ¿Ôö¼Ó³É¹¦ºó£¬Ê¹ÓÃÕ߻ص÷
*/
public void onCountAddSuccess() { if (mCount == 1) {
cancelAllAnim();
mAnimReduceHint.start();
} else {
mAnimFraction = 0;
invalidate();
}
} /**
* ÊýÁ¿¼õÉٳɹ¦ºó£¬Ê¹ÓÃÕ߻ص÷
*/
public void onCountDelSuccess() { if (mCount == 0) {
cancelAllAnim();
mAniDel.start();
} else {
mAnimFraction = 0;
invalidate();
}
}1234567891011121314151617181920212223242526272829303132333435363738394012345678910111213141516171819202122232425262728293031323334353637383940
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//¶¯»µÄ»ù×¼Öµ ¶¯»£º¼õ 0~1, ¼Ó 1~0
// ÆÕͨ״̬ÏÂÊÇ0
protected float mAnimFraction; //ÌáʾÓïÊÕËõ¶¯» 0-1 Õ¹¿ª1-0
//ÆÕͨģʽʱ£¬Ó¦¸ÃÊÇ1£¬ Ö»ÔÚ isHintMode true ²ÅÓÐЧ
protected float mAnimExpandHintFraction;12345671234567
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//±³¾°
mHintPaint.setColor(mHintBgColor);
RectF rectF = new RectF(mLeft + (mWidth - mRadius * 2) * mAnimExpandHintFraction, mTop
, mWidth - mCircleWidth, mHeight - mCircleWidth);
canvas.drawRoundRect(rectF, mHintBgRoundValue, mHintBgRoundValue, mHintPaint);1234512345
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//¶¯» mAnimFraction £º¼õ 0~1, ¼Ó 1~0 ,
//¶¯»Î»ÒÆMax,
float animOffsetMax = (mRadius * 2 +mGapBetweenCircle); //͸Ã÷¶È¶¯»µÄ»ù×¼
int animAlphaMax = 255; int animRotateMax = 360; //×ó±ß
//±³¾° Ô²
mDelPaint.setAlpha((int) (animAlphaMax * (1 - mAnimFraction)));
mDelPath.reset(); //¸Ä±äÔ²ÐĵÄX×ø±ê£¬ÊµÏÖλÒÆ
mDelPath.addCircle(animOffsetMax * mAnimFraction + mLeft + mRadius, mTop + mRadius, mRadius, Path.Direction.CW); canvas.drawPath(mDelPath, mDelPaint);12345678910111213141234567891011121314
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ÕâÀïÎÒÃÇÀûÓÃcanvas.translate() canvas.rotate ×öÐýתºÍλÒƶ¯»£¬±ðÍüÁË canvas.save()ºÍcanvas.restore()»Ö¸´»²¼µÄ״̬¡££¨Í¸Ã÷¶ÈÔÚÉÏÃæÒѾÉèÖùýÁË¡££©
//Ç°¾° -
//Ðýת¶¯»
canvas.save(); canvas.translate(animOffsetMax * mAnimFraction + mLeft + mRadius, mTop + mRadius); canvas.rotate((int) (animRotateMax * (1 - mAnimFraction))); canvas.drawLine(-mRadius / 2, 0,
+mRadius / 2, 0,
mDelPaint); canvas.restore();123456789123456789
ÊýÁ¿µÄ¶¯»
¿´ÆðÀ´Ò²ÊÇÐýת¡¢Î»ÒÆ¡¢Í¸Ã÷¶È¡£Í¬ÑùÊÇÀûÓÃcanvas.translate() canvas.rotate ×öÐýתºÍλÒƶ¯»¡£
//ÊýÁ¿
canvas.save(); //ƽÒƶ¯»
canvas.translate(mAnimFraction * (mGapBetweenCircle / 2 - mTextPaint.measureText(mCount + "") / 2 + mRadius), 0); //Ðýת¶¯»,ÐýתÖÐÐĵ㣬x ÊÇ»æͼÖÐÐÄ,y ÊǿؼþÖÐÐÄ
canvas.rotate(360 * mAnimFraction,
mGapBetweenCircle / 2 + mLeft + mRadius * 2 ,
mTop + mRadius); //͸Ã÷¶È¶¯»
mTextPaint.setAlpha((int) (255 * (1 - mAnimFraction))); //ÊÇûÓж¯»µÄÆÕͨд·¨,x left, y baseLine
canvas.drawText(mCount + "", mGapBetweenCircle / 2 - mTextPaint.measureText(mCount + "") / 2 + mLeft + mRadius * 2, mTop + mRadius - (mFontMetrics.top + mFontMetrics.bottom) / 2, mTextPaint); canvas.restore();1234567891011121312345678910111213
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¶¯»ÊÇÔÚView³õʼ»¯Ê±¾Í¶¨ÒåºÃµÄ£¬Ö´ÐÐ˳Ðò£º
-
ÊýÁ¿Ôö¼Ó£¬0-1ʱ£¬ÏÈÊÕËõHint£¨µÚ¶þ²ã£©
mAnimReduceHintÖ´ÐУ¬Íê±ÏºóÖ´Ðмõ°´Å¥£¨µÚÒ»²ã£©½øÈëµÄ¶¯»mAnimAdd¡£ -
ÊýÁ¿¼õÉÙ£¬1-0ʱ£¬ÏÈÖ´Ðмõ°´Å¥Í˳öµÄ¶¯»
mAniDel£¬ÔÙÉìÕ¹Hint¶¯»mAnimExpandHint£¬Íê±Ïºó£¬ÏÔʾhintÎÄ×Ö¡£
´úÂëÈçÏ£º
//¶¯» +
mAnimAdd = ValueAnimator.ofFloat(1, 0);
mAnimAdd.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override
public void onAnimationUpdate(ValueAnimator animation) {
mAnimFraction = (float) animation.getAnimatedValue();
invalidate();
}
});
mAnimAdd.setDuration(350); //ÌáʾÓïÊÕËõ¶¯» 0-1
mAnimReduceHint = ValueAnimator.ofFloat(0, 1);
mAnimReduceHint.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override
public void onAnimationUpdate(ValueAnimator animation) {
mAnimExpandHintFraction = (float) animation.getAnimatedValue();
invalidate();
}
});
mAnimReduceHint.addListener(new AnimatorListenerAdapter() { @Override
public void onAnimationEnd(Animator animation) { if (mCount == 1) { //È»ºóµ×É«Ò²²»ÏÔʾÁË
isHintMode = false;
} if (mCount == 1) {
Log.d(TAG, "ÏÖÔÚ»¹ÊÇ1 ¿ªÊ¼ÊÕËõ¶¯»"); if (mAnimAdd != null && !mAnimAdd.isRunning()) {
mAnimAdd.start();
}
}
} @Override
public void onAnimationStart(Animator animation) { if (mCount == 1) { //ÏȲ»ÏÔʾÎÄ×ÖÁË
isShowHintText = false;
}
}
});
mAnimReduceHint.setDuration(350); //¶¯» -
mAniDel = ValueAnimator.ofFloat(0, 1);
mAniDel.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override
public void onAnimationUpdate(ValueAnimator animation) {
mAnimFraction = (float) animation.getAnimatedValue();
invalidate();
}
}); //1-0µÄ¶¯»
mAniDel.addListener(new AnimatorListenerAdapter() { @Override
public void onAnimationEnd(Animator animation) { if (mCount == 0) {
Log.d(TAG, "ÏÖÔÚ»¹ÊÇ0onAnimationEnd() called with: animation = \[" + animation + "\]"); if (mAnimExpandHint != null && !mAnimExpandHint.isRunning()) {
mAnimExpandHint.start();
}
}
}
});
mAniDel.setDuration(350); //ÌáʾÓïÕ¹¿ª¶¯»
//·ÖÎöÕâ¸ö¶¯»£¬×î³õÊǸöÔ²¡£ ¾ÍÊÇleft ²»¶Ï¼õС
mAnimExpandHint = ValueAnimator.ofFloat(1, 0);
mAnimExpandHint.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override
public void onAnimationUpdate(ValueAnimator animation) {
mAnimExpandHintFraction = (float) animation.getAnimatedValue();
invalidate();
}
});
mAnimExpandHint.addListener(new AnimatorListenerAdapter() { @Override
public void onAnimationEnd(Animator animation) { if (mCount == 0) {
isShowHintText = true;
}
} @Override
public void onAnimationStart(Animator animation) { if (mCount == 0) {
isHintMode = true;
}
}
});
mAnimExpandHint.setDuration(350);12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091921234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192
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ÒòΪÎÒÃǵĹºÎï³µ¿Ø¼þ¿Ï¶¨»áÓÃÔÚÁбíÖУ¬²»¹ÜÄãÓÃListView»¹ÊÇRecyclerView£¬¶¼»áÉæ¼°µ½¸´ÓõÄÎÊÌâ¡£
¸´ÓøøÎÒÃÇ´øÀ´Ò»¸öÂé·³µÄµØ·½¾ÍÊÇ£¬ÎÒÃÇÒª´¦ÀíºÃһЩÊôÐÔ״ֵ̬£¬·ñÔòUIÉÏ»áÓÐÎÊÌâ¡£
¿ÉÒÔ´ÓÁ½´¦ÏÂÊÖ´¦Àí£º
onMeasure
ÁÐ±í¸´ÓÃʱ£¬ÒÀÈ»»á»Øµ÷onMeasure()·½·¨£¬ËùÒÔÔÚÕâÀï³õʼ»¯Ò»Ð©UIÏÔʾµÄ²ÎÊý¡£
ÕâÀï˳´ø½«ÊÊÅäwrap_content µÄ´úÂëҲһͬÌùÉÏ£º
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { int wMode = MeasureSpec.getMode(widthMeasureSpec); int wSize = MeasureSpec.getSize(widthMeasureSpec); int hMode = MeasureSpec.getMode(heightMeasureSpec); int hSize = MeasureSpec.getSize(heightMeasureSpec); switch (wMode) { case MeasureSpec.EXACTLY: break; case MeasureSpec.AT_MOST: //²»³¬¹ý¸¸¿Ø¼þ¸øµÄ·¶Î§ÄÚ£¬×ÔÓÉ·¢»Ó
int computeSize = (int) (getPaddingLeft() + mRadius * 2 +mGapBetweenCircle + mRadius * 2 + getPaddingRight() + mCircleWidth * 2);
wSize = computeSize < wSize ? computeSize : wSize; break; case MeasureSpec.UNSPECIFIED: //×ÔÓÉ·¢»Ó
computeSize = (int) (getPaddingLeft() + mRadius * 2 + mGapBetweenCircle + mRadius * 2 + getPaddingRight() + mCircleWidth * 2);
wSize = computeSize; break;
} switch (hMode) { case MeasureSpec.EXACTLY: break; case MeasureSpec.AT_MOST: int computeSize = (int) (getPaddingTop() + mRadius * 2 + getPaddingBottom() + mCircleWidth * 2);
hSize = computeSize < hSize ? computeSize : hSize; break; case MeasureSpec.UNSPECIFIED:
computeSize = (int) (getPaddingTop() + mRadius * 2 + getPaddingBottom() + mCircleWidth * 2);
hSize = computeSize; break;
}
setMeasuredDimension(wSize, hSize); //¸´ÓÃʱ»á×ßÕâÀËùÒÔ³õʼ»¯Ò»Ð©UIÏÔʾµÄ²ÎÊý
mAnimFraction = 0;
initHintSettings();
}1234567891011121314151617181920212223242526272829303132333435363712345678910111213141516171819202122232425262728293031323334353637
/**
* ¸ù¾Ýµ±Ç°countÊýÁ¿ ³õʼ»¯ hintÌáʾÓïÏà¹Ø±äÁ¿
*/
private void initHintSettings() { if (mCount == 0) {
isHintMode = true;
isShowHintText = true;
mAnimExpandHintFraction = 0;
} else {
isHintMode = false;
isShowHintText = false;
mAnimExpandHintFraction = 1;
}
}12345678910111213141234567891011121314
Ôڸıäcountʱ
Ò»°ãÔÚonBindViewHolder()»òÕßgetView()ʱ£¬¶¼»á¶Ô±¾¿Ø¼þÖØÐÂÉèÖÃcountÖµ£¬count¸Ä±äʱ£¬µ±È»Ò²ÊÇÐèÒª¸ù¾Ýcount½øÐÐÊôÐÔÖµµÄµ÷Õû¡£
ÇÒ´ËʱÈç¹ûViewÕýÔÚ×ö¶¯»£¬Ó¦¸ÃÍ£Ö¹ÕâЩ¶¯»¡£
/**
* ÉèÖõ±Ç°ÊýÁ¿
* @param count
* @return
*/
public AnimShopButton setCount(int count) {
mCount = count; //ÏÈÔÝÍ£ËùÓж¯»
if (mAnimAdd != null && mAnimAdd.isRunning()) {
mAnimAdd.cancel();
} if (mAniDel != null && mAniDel.isRunning()) {
mAniDel.cancel();
} //¸´ÓûúÖƵĴ¦Àí
if (mCount == 0) { // 0 ²»ÏÔʾ Êý×ÖºÍ-ºÅ
mAnimFraction = 1;
} else {
mAnimFraction = 0;
}
initHintSettings(); return this;
}123456789101112131415161718192021222324123456789101112131415161718192021222324
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´úÂë´«ËÍÃÅ£ºÏ²»¶µÄ»°£¬ËæÊÖµã¸östar¡£¶àл
https://github.com/mcxtzhang/AnimShopButton
ÎÒÔÚʵÏÖÕâ¸ö¿Ø¼þʱ£¬¾õµÃÄѶÈÏà¶Ô´óµÄµØ·½ÔÚÓÚ×ö¶¯»Ê±£¬¡°-¡±°´Å¥ºÍÊýÁ¿µÄÐýת¶¯»£¬ÈçºÎÈ·¶¨ÕýÈ·µÄ×ø±êÖµ¡£ÒòΪ½«text»æÖƵľÓÖб¾Éí¾ÍÓÐһЩעÒâÊÂÏîÔÚÀïÃ棬ÔÙÉæ¼°µ½¶¯»£¬ÄÑÃâÃÉȦ¡£ÐèÒª**¶à¼ÆË㣬¶àÊÔÑé**¡£
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ͨ¹ýsdk¹¤¾ß²é¿´¶öÁËô£¬ËüÆäʵÊÇÓÃTextViewºÍImageView×éºÏʵÏֵġ£ÁíÍâÎÒÊ®·Ö»³ÒÉËüûÓзâ×°³É¿Ø¼þ£¬ÒòΪÔÚÁбíÒ³ºÍÏêÇéÒ³µÄ½»»¥£¬ÒÔ¼°¶¯»¾ÓÈ»ÂÔÓв»Í¬£¬ ÔÚÏêÇéÒ³£¬×Ðϸ¿´ÓÉ0-1ʱ£¬ËüÓÒ±ßµÄ + °´Å¥µÄ¶¯»¾ÓÈ»»áÉÁһϣ¬ÔÚÁбíҳȴûÓУ¬ºÜÊDz»½â¡£
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http://blog.csdn.net/zxt0601/article/details/54235736
±¾Îijö×Ô:¡¾ÕÅÐñͯµÄ²©¿Í¡¿(http://blog.csdn.net/zxt0601)
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https://github.com/mcxtzhang/AnimShopButton
