android 自定义circleimageview,Android自定义圆形控件CircleImageView

向右看齐 2022-10-16 00:42 18阅读 0赞

之前使用过，现在做下记录

自定义圆形控件github地址：

使用方式

xmlns:app="http://schemas.android.com/apk/res-auto"

android:id="@+id/profile\_image"

android:layout\_width="96dp"

android:layout\_height="96dp"

android:src="@drawable/profile"

app:civ\_border\_width="2dp"

app:civ\_border\_color="\#FF000000"/>

自定义控件源码

/\*

\* Licensed under the Apache License, Version 2.0 (the "License");

\* you may not use this file except in compliance with the License.

\* You may obtain a copy of the License at

\* http://www.apache.org/licenses/LICENSE-2.0

\* Unless required by applicable law or agreed to in writing, software

\* distributed under the License is distributed on an "AS IS" BASIS,

\* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

\* See the License for the specific language governing permissions and

\* limitations under the License.

\*/

packagede.hdodenhof.circleimageview;

importandroid.content.Context;

importandroid.content.res.TypedArray;

importandroid.graphics.Bitmap;

importandroid.graphics.BitmapShader;

importandroid.graphics.Canvas;

importandroid.graphics.Color;

importandroid.graphics.ColorFilter;

importandroid.graphics.Matrix;

importandroid.graphics.Paint;

importandroid.graphics.RectF;

importandroid.graphics.Shader;

importandroid.graphics.drawable.BitmapDrawable;

importandroid.graphics.drawable.ColorDrawable;

importandroid.graphics.drawable.Drawable;

importandroid.net.Uri;

importandroid.support.annotation.ColorInt;

importandroid.support.annotation.ColorRes;

importandroid.support.annotation.DrawableRes;

importandroid.util.AttributeSet;

importandroid.widget.ImageView;

publicclassCircleImageViewextendsImageView\{

privatestaticfinalScaleTypeSCALE\_TYPE=ScaleType.CENTER\_CROP;

privatestaticfinalBitmap.ConfigBITMAP\_CONFIG=Bitmap.Config.ARGB\_8888;

privatestaticfinalintCOLORDRAWABLE\_DIMENSION=2;

privatestaticfinalintDEFAULT\_BORDER\_WIDTH=0;

privatestaticfinalintDEFAULT\_BORDER\_COLOR=Color.BLACK;

privatestaticfinalintDEFAULT\_FILL\_COLOR=Color.TRANSPARENT;

privatestaticfinalbooleanDEFAULT\_BORDER\_OVERLAY=false;

privatefinalRectFmDrawableRect=newRectF();

privatefinalRectFmBorderRect=newRectF();

privatefinalMatrixmShaderMatrix=newMatrix();

privatefinalPaintmBitmapPaint=newPaint();

privatefinalPaintmBorderPaint=newPaint();

privatefinalPaintmFillPaint=newPaint();

privateintmBorderColor=DEFAULT\_BORDER\_COLOR;

privateintmBorderWidth=DEFAULT\_BORDER\_WIDTH;

privateintmFillColor=DEFAULT\_FILL\_COLOR;

privateBitmapmBitmap;

privateBitmapShadermBitmapShader;

privateintmBitmapWidth;

privateintmBitmapHeight;

privatefloatmDrawableRadius;

privatefloatmBorderRadius;

privateColorFiltermColorFilter;

privatebooleanmReady;

privatebooleanmSetupPending;

privatebooleanmBorderOverlay;

privatebooleanmDisableCircularTransformation;

publicCircleImageView(Contextcontext) \{

super(context);

init();

publicCircleImageView(Contextcontext,AttributeSetattrs) \{

this(context, attrs,0);

publicCircleImageView(Contextcontext,AttributeSetattrs,intdefStyle) \{

super(context, attrs, defStyle);

TypedArraya=context.obtainStyledAttributes(attrs,R.styleable.CircleImageView, defStyle,0);

mBorderWidth=a.getDimensionPixelSize(R.styleable.CircleImageView\_civ\_border\_width,DEFAULT\_BORDER\_WIDTH);

mBorderColor=a.getColor(R.styleable.CircleImageView\_civ\_border\_color,DEFAULT\_BORDER\_COLOR);

mBorderOverlay=a.getBoolean(R.styleable.CircleImageView\_civ\_border\_overlay,DEFAULT\_BORDER\_OVERLAY);

mFillColor=a.getColor(R.styleable.CircleImageView\_civ\_fill\_color,DEFAULT\_FILL\_COLOR);

a.recycle();

init();

privatevoidinit() \{

super.setScaleType(SCALE\_TYPE);

mReady=true;

if(mSetupPending) \{

setup();

mSetupPending=false;

@Override

publicScaleTypegetScaleType() \{

returnSCALE\_TYPE;

@Override

publicvoidsetScaleType(ScaleTypescaleType) \{

if(scaleType!=SCALE\_TYPE) \{

thrownewIllegalArgumentException(String.format("ScaleType %s not supported.", scaleType));

@Override

publicvoidsetAdjustViewBounds(booleanadjustViewBounds) \{

if(adjustViewBounds) \{

thrownewIllegalArgumentException("adjustViewBounds not supported.");

@Override

protectedvoidonDraw(Canvascanvas) \{

if(mDisableCircularTransformation) \{

super.onDraw(canvas);

return;

if(mBitmap==null) \{

return;

if(mFillColor!=Color.TRANSPARENT) \{

canvas.drawCircle(mDrawableRect.centerX(), mDrawableRect.centerY(), mDrawableRadius, mFillPaint);

canvas.drawCircle(mDrawableRect.centerX(), mDrawableRect.centerY(), mDrawableRadius, mBitmapPaint);

if(mBorderWidth>0) \{

canvas.drawCircle(mBorderRect.centerX(), mBorderRect.centerY(), mBorderRadius, mBorderPaint);

@Override

protectedvoidonSizeChanged(intw,inth,intoldw,intoldh) \{

super.onSizeChanged(w, h, oldw, oldh);

setup();

@Override

publicvoidsetPadding(intleft,inttop,intright,intbottom) \{

super.setPadding(left, top, right, bottom);

setup();

@Override

publicvoidsetPaddingRelative(intstart,inttop,intend,intbottom) \{

super.setPaddingRelative(start, top, end, bottom);

setup();

publicintgetBorderColor() \{

returnmBorderColor;

publicvoidsetBorderColor(@ColorIntintborderColor) \{

if(borderColor==mBorderColor) \{

return;

mBorderColor=borderColor;

mBorderPaint.setColor(mBorderColor);

invalidate();

/\*\*

\* @deprecated Use \{@link \#setBorderColor(int)\} instead

\*/

@Deprecated

publicvoidsetBorderColorResource(@ColorResintborderColorRes) \{

setBorderColor(getContext().getResources().getColor(borderColorRes));

/\*\*

\* Return the color drawn behind the circle-shaped drawable.

\* @return The color drawn behind the drawable

\* @deprecated Fill color support is going to be removed in the future

\*/

@Deprecated

publicintgetFillColor() \{

returnmFillColor;

/\*\*

\* Set a color to be drawn behind the circle-shaped drawable. Note that

\* this has no effect if the drawable is opaque or no drawable is set.

\* @param fillColor The color to be drawn behind the drawable

\* @deprecated Fill color support is going to be removed in the future

\*/

@Deprecated

publicvoidsetFillColor(@ColorIntintfillColor) \{

if(fillColor==mFillColor) \{

return;

mFillColor=fillColor;

mFillPaint.setColor(fillColor);

invalidate();

/\*\*

\* Set a color to be drawn behind the circle-shaped drawable. Note that

\* this has no effect if the drawable is opaque or no drawable is set.

\* @param fillColorRes The color resource to be resolved to a color and

\* drawn behind the drawable

\* @deprecated Fill color support is going to be removed in the future

\*/

@Deprecated

publicvoidsetFillColorResource(@ColorResintfillColorRes) \{

setFillColor(getContext().getResources().getColor(fillColorRes));

publicintgetBorderWidth() \{

returnmBorderWidth;

publicvoidsetBorderWidth(intborderWidth) \{

if(borderWidth==mBorderWidth) \{

return;

mBorderWidth=borderWidth;

setup();

publicbooleanisBorderOverlay() \{

returnmBorderOverlay;

publicvoidsetBorderOverlay(booleanborderOverlay) \{

if(borderOverlay==mBorderOverlay) \{

return;

mBorderOverlay=borderOverlay;

setup();

publicbooleanisDisableCircularTransformation() \{

returnmDisableCircularTransformation;

publicvoidsetDisableCircularTransformation(booleandisableCircularTransformation) \{

if(mDisableCircularTransformation==disableCircularTransformation) \{

return;

mDisableCircularTransformation=disableCircularTransformation;

initializeBitmap();

@Override

publicvoidsetImageBitmap(Bitmapbm) \{

super.setImageBitmap(bm);

initializeBitmap();

@Override

publicvoidsetImageDrawable(Drawabledrawable) \{

super.setImageDrawable(drawable);

initializeBitmap();

@Override

publicvoidsetImageResource(@DrawableResintresId) \{

super.setImageResource(resId);

initializeBitmap();

@Override

publicvoidsetImageURI(Uriuri) \{

super.setImageURI(uri);

initializeBitmap();

@Override

publicvoidsetColorFilter(ColorFiltercf) \{

if(cf==mColorFilter) \{

return;

mColorFilter=cf;

applyColorFilter();

invalidate();

@Override

publicColorFiltergetColorFilter() \{

returnmColorFilter;

privatevoidapplyColorFilter() \{

if(mBitmapPaint!=null) \{

mBitmapPaint.setColorFilter(mColorFilter);

privateBitmapgetBitmapFromDrawable(Drawabledrawable) \{

if(drawable==null) \{

returnnull;

if(drawableinstanceofBitmapDrawable) \{

return((BitmapDrawable) drawable).getBitmap();

try\{

Bitmapbitmap;

if(drawableinstanceofColorDrawable) \{

bitmap=Bitmap.createBitmap(COLORDRAWABLE\_DIMENSION,COLORDRAWABLE\_DIMENSION,BITMAP\_CONFIG);

\}else\{

bitmap=Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),BITMAP\_CONFIG);

Canvascanvas=newCanvas(bitmap);

drawable.setBounds(0,0, canvas.getWidth(), canvas.getHeight());

drawable.draw(canvas);

returnbitmap;

\}catch(Exceptione) \{

e.printStackTrace();

returnnull;

privatevoidinitializeBitmap() \{

if(mDisableCircularTransformation) \{

mBitmap=null;

\}else\{

mBitmap=getBitmapFromDrawable(getDrawable());

setup();

privatevoidsetup() \{

if(!mReady) \{

mSetupPending=true;

return;

if(getWidth()==0&&getHeight()==0) \{

return;

if(mBitmap==null) \{

invalidate();

return;

mBitmapShader=newBitmapShader(mBitmap,Shader.TileMode.CLAMP,Shader.TileMode.CLAMP);

mBitmapPaint.setAntiAlias(true);

mBitmapPaint.setShader(mBitmapShader);

mBorderPaint.setStyle(Paint.Style.STROKE);

mBorderPaint.setAntiAlias(true);

mBorderPaint.setColor(mBorderColor);

mBorderPaint.setStrokeWidth(mBorderWidth);

mFillPaint.setStyle(Paint.Style.FILL);

mFillPaint.setAntiAlias(true);

mFillPaint.setColor(mFillColor);

mBitmapHeight=mBitmap.getHeight();

mBitmapWidth=mBitmap.getWidth();

mBorderRect.set(calculateBounds());

mBorderRadius=Math.min((mBorderRect.height()-mBorderWidth)/2.0f, (mBorderRect.width()-mBorderWidth)/2.0f);

mDrawableRect.set(mBorderRect);

if(!mBorderOverlay&&mBorderWidth>0) \{

mDrawableRect.inset(mBorderWidth-1.0f, mBorderWidth-1.0f);

mDrawableRadius=Math.min(mDrawableRect.height()/2.0f, mDrawableRect.width()/2.0f);

applyColorFilter();

updateShaderMatrix();

invalidate();

privateRectFcalculateBounds() \{

intavailableWidth=getWidth()-getPaddingLeft()-getPaddingRight();

intavailableHeight=getHeight()-getPaddingTop()-getPaddingBottom();

intsideLength=Math.min(availableWidth, availableHeight);

floatleft=getPaddingLeft()+(availableWidth-sideLength)/2f;

floattop=getPaddingTop()+(availableHeight-sideLength)/2f;

returnnewRectF(left, top, left+sideLength, top+sideLength);

privatevoidupdateShaderMatrix() \{

floatscale;

floatdx=0;

floatdy=0;

mShaderMatrix.set(null);

if(mBitmapWidth\*mDrawableRect.height()>mDrawableRect.width()\*mBitmapHeight) \{

scale=mDrawableRect.height()/(float) mBitmapHeight;

dx=(mDrawableRect.width()-mBitmapWidth\*scale)\*0.5f;

\}else\{

scale=mDrawableRect.width()/(float) mBitmapWidth;

dy=(mDrawableRect.height()-mBitmapHeight\*scale)\*0.5f;

mShaderMatrix.setScale(scale, scale);

mShaderMatrix.postTranslate((int) (dx+0.5f)+mDrawableRect.left, (int) (dy+0.5f)+mDrawableRect.top);

mBitmapShader.setLocalMatrix(mShaderMatrix);

android 自定义circleimageview,Android自定义圆形控件CircleImageView

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