java - rounded - ImageView esquinas redondeadas

redondear imageview android studio

Question

Quería que la imagen tuviera esquinas redondeadas. Implemento este código xml y lo uso en mi vista de imagen. Pero la imagen se superpone a la forma. Estoy descargando la imagen a través de tarea asíncrona.

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle" >
<corners android:radius="20dip" />
</shape>
<ImageView
android:id="@+id/trVouchersImage"
android:layout_width="55dp"
android:layout_height="55dp"
android:layout_marginLeft="8dp"
android:layout_centerVertical="true"
android:layout_centerHorizontal="true"
android:layout_alignParentLeft="true"
android:background="@drawable/ash_arrow"
/>

Answer 1

Aquí hay algo que encontré aquí: github

Hizo un poco de improvisación. Muy sencillo y limpio. No hay archivos o métodos externos:

public class RoundedImageView extends ImageView {
private float mCornerRadius = 10.0f;
public RoundedImageView(Context context) {
super(context);
}
public RoundedImageView(Context context, AttributeSet attributes) {
super(context, attributes);
}
@Override
protected void onDraw(Canvas canvas) {
// Round some corners betch!
Drawable myDrawable = getDrawable();
if (myDrawable!=null && myDrawable instanceof BitmapDrawable && mCornerRadius > 0) {
Paint paint = ((BitmapDrawable) myDrawable).getPaint();
final int color = 0xff000000;
Rect bitmapBounds = myDrawable.getBounds();
final RectF rectF = new RectF(bitmapBounds);
// Create an off-screen bitmap to the PorterDuff alpha blending to work right
int saveCount = canvas.saveLayer(rectF, null,
Canvas.MATRIX_SAVE_FLAG |
Canvas.CLIP_SAVE_FLAG |
Canvas.HAS_ALPHA_LAYER_SAVE_FLAG |
Canvas.FULL_COLOR_LAYER_SAVE_FLAG |
Canvas.CLIP_TO_LAYER_SAVE_FLAG);
// Resize the rounded rect we''ll clip by this view''s current bounds
// (super.onDraw() will do something similar with the drawable to draw)
getImageMatrix().mapRect(rectF);
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawRoundRect(rectF, mCornerRadius, mCornerRadius, paint);
Xfermode oldMode = paint.getXfermode();
// This is the paint already associated with the BitmapDrawable that super draws
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
super.onDraw(canvas);
paint.setXfermode(oldMode);
canvas.restoreToCount(saveCount);
} else {
super.onDraw(canvas);
}
}
}

Answer 2

Basado en la respuesta de Nihal ( https://.com/a/42234152/2832027 ), aquí hay una versión XML pura que da un rectángulo con esquinas redondeadas en API 24 y superior. En debajo de API 24, no mostrará esquinas redondeadas.

Uso:

<ImageView
android:id="@+id/thumbnail"
android:layout_width="150dp"
android:layout_height="200dp"
android:foreground="@drawable/rounded_corner_mask"/>

rounded_corner_mask.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:gravity="bottom|right">
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="@dimen/rounding_radius"
android:height="@dimen/rounding_radius"
android:viewportWidth="10.0"
android:viewportHeight="10.0">
<path
android:pathData="M0,10 A10,10 0 0,0 10,0 L10,10 Z"
android:fillColor="@color/white"/>
</vector>
</item>
<item
android:gravity="bottom|left">
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="@dimen/rounding_radius"
android:height="@dimen/rounding_radius"
android:viewportWidth="10.0"
android:viewportHeight="10.0">
<path
android:pathData="M0,0 A10,10 0 0,0 10,10 L0,10 Z"
android:fillColor="@color/white"/>
</vector>
</item>
<item
android:gravity="top|left">
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="@dimen/rounding_radius"
android:height="@dimen/rounding_radius"
android:viewportWidth="10.0"
android:viewportHeight="10.0">
<path
android:pathData="M10,0 A10,10 0 0,0 0,10 L0,0 Z"
android:fillColor="@color/white"/>
</vector>
</item>
<item
android:gravity="top|right">
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="@dimen/rounding_radius"
android:height="@dimen/rounding_radius"
android:viewportWidth="10.0"
android:viewportHeight="10.0">
<path
android:pathData="M10,10 A10,10 0 0,0 0,0 L10,0 Z"
android:fillColor="@color/white"/>
</vector>
</item>
</layer-list>

Answer 3

Debería usar RoundedCornersTransformation de esta biblioteca y crear un ImageView circular.

import android.graphics.Bitmap;
import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.Shader;
import com.squareup.picasso.Transformation;
public class RoundedCornersTransformation implements Transformation {
public enum CornerType {
ALL,
TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT,
TOP, BOTTOM, LEFT, RIGHT,
OTHER_TOP_LEFT, OTHER_TOP_RIGHT, OTHER_BOTTOM_LEFT, OTHER_BOTTOM_RIGHT,
DIAGONAL_FROM_TOP_LEFT, DIAGONAL_FROM_TOP_RIGHT
}
private int mRadius;
private int mDiameter;
private int mMargin;
private CornerType mCornerType;
public RoundedCornersTransformation(int radius, int margin) {
this(radius, margin, CornerType.ALL);
}
public RoundedCornersTransformation(int radius, int margin, CornerType cornerType) {
mRadius = radius;
mDiameter = radius * 2;
mMargin = margin;
mCornerType = cornerType;
}
@Override public Bitmap transform(Bitmap source) {
int width = source.getWidth();
int height = source.getHeight();
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setShader(new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
drawRoundRect(canvas, paint, width, height);
source.recycle();
return bitmap;
}
private void drawRoundRect(Canvas canvas, Paint paint, float width, float height) {
float right = width - mMargin;
float bottom = height - mMargin;
switch (mCornerType) {
case ALL:
canvas.drawRoundRect(new RectF(mMargin, mMargin, right, bottom), mRadius, mRadius, paint);
break;
case TOP_LEFT:
drawTopLeftRoundRect(canvas, paint, right, bottom);
break;
case TOP_RIGHT:
drawTopRightRoundRect(canvas, paint, right, bottom);
break;
case BOTTOM_LEFT:
drawBottomLeftRoundRect(canvas, paint, right, bottom);
break;
case BOTTOM_RIGHT:
drawBottomRightRoundRect(canvas, paint, right, bottom);
break;
case TOP:
drawTopRoundRect(canvas, paint, right, bottom);
break;
case BOTTOM:
drawBottomRoundRect(canvas, paint, right, bottom);
break;
case LEFT:
drawLeftRoundRect(canvas, paint, right, bottom);
break;
case RIGHT:
drawRightRoundRect(canvas, paint, right, bottom);
break;
case OTHER_TOP_LEFT:
drawOtherTopLeftRoundRect(canvas, paint, right, bottom);
break;
case OTHER_TOP_RIGHT:
drawOtherTopRightRoundRect(canvas, paint, right, bottom);
break;
case OTHER_BOTTOM_LEFT:
drawOtherBottomLeftRoundRect(canvas, paint, right, bottom);
break;
case OTHER_BOTTOM_RIGHT:
drawOtherBottomRightRoundRect(canvas, paint, right, bottom);
break;
case DIAGONAL_FROM_TOP_LEFT:
drawDiagonalFromTopLeftRoundRect(canvas, paint, right, bottom);
break;
case DIAGONAL_FROM_TOP_RIGHT:
drawDiagonalFromTopRightRoundRect(canvas, paint, right, bottom);
break;
default:
canvas.drawRoundRect(new RectF(mMargin, mMargin, right, bottom), mRadius, mRadius, paint);
break;
}
}
private void drawTopLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, mMargin + mDiameter),
mRadius, mRadius, paint);
canvas.drawRect(new RectF(mMargin, mMargin + mRadius, mMargin + mRadius, bottom), paint);
canvas.drawRect(new RectF(mMargin + mRadius, mMargin, right, bottom), paint);
}
private void drawTopRightRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, mMargin + mDiameter), mRadius,
mRadius, paint);
canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom), paint);
canvas.drawRect(new RectF(right - mRadius, mMargin + mRadius, right, bottom), paint);
}
private void drawBottomLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, mMargin + mDiameter, bottom),
mRadius, mRadius, paint);
canvas.drawRect(new RectF(mMargin, mMargin, mMargin + mDiameter, bottom - mRadius), paint);
canvas.drawRect(new RectF(mMargin + mRadius, mMargin, right, bottom), paint);
}
private void drawBottomRightRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(right - mDiameter, bottom - mDiameter, right, bottom), mRadius,
mRadius, paint);
canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom), paint);
canvas.drawRect(new RectF(right - mRadius, mMargin, right, bottom - mRadius), paint);
}
private void drawTopRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, right, mMargin + mDiameter), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin, mMargin + mRadius, right, bottom), paint);
}
private void drawBottomRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, right, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin, mMargin, right, bottom - mRadius), paint);
}
private void drawLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin + mRadius, mMargin, right, bottom), paint);
}
private void drawRightRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom), paint);
}
private void drawOtherTopLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, right, bottom), mRadius, mRadius,
paint);
canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom - mRadius), paint);
}
private void drawOtherTopRightRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, bottom), mRadius, mRadius,
paint);
canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, right, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin + mRadius, mMargin, right, bottom - mRadius), paint);
}
private void drawOtherBottomLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, right, mMargin + mDiameter), mRadius, mRadius,
paint);
canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin, mMargin + mRadius, right - mRadius, bottom), paint);
}
private void drawOtherBottomRightRoundRect(Canvas canvas, Paint paint, float right,
float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, right, mMargin + mDiameter), mRadius, mRadius,
paint);
canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin + mRadius, mMargin + mRadius, right, bottom), paint);
}
private void drawDiagonalFromTopLeftRoundRect(Canvas canvas, Paint paint, float right,
float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, mMargin + mDiameter),
mRadius, mRadius, paint);
canvas.drawRoundRect(new RectF(right - mDiameter, bottom - mDiameter, right, bottom), mRadius,
mRadius, paint);
canvas.drawRect(new RectF(mMargin, mMargin + mRadius, right - mDiameter, bottom), paint);
canvas.drawRect(new RectF(mMargin + mDiameter, mMargin, right, bottom - mRadius), paint);
}
private void drawDiagonalFromTopRightRoundRect(Canvas canvas, Paint paint, float right,
float bottom) {
canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, mMargin + mDiameter), mRadius,
mRadius, paint);
canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, mMargin + mDiameter, bottom),
mRadius, mRadius, paint);
canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom - mRadius), paint);
canvas.drawRect(new RectF(mMargin + mRadius, mMargin + mRadius, right, bottom), paint);
}
@Override public String key() {
return "RoundedTransformation(radius=" + mRadius + ", margin=" + mMargin + ", diameter="
+ mDiameter + ", cornerType=" + mCornerType.name() + ")";
}
}

Answer 4

Es lo más simple posible usando este método util.

/*
* param@ imageView is your image you want to bordered it
*/
public static Bitmap generateBorders(ImageView imageView){
Bitmap mbitmap = ((BitmapDrawable) imageView.getDrawable()).getBitmap();
Bitmap imageRounded = Bitmap.createBitmap(mbitmap.getWidth(), mbitmap.getHeight(), mbitmap.getConfig());
Canvas canvas = new Canvas(imageRounded);
Paint mpaint = new Paint();
mpaint.setAntiAlias(true);
mpaint.setShader(new BitmapShader(mbitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
canvas.drawRoundRect((new RectF(0, 0, mbitmap.getWidth(), mbitmap.getHeight())), 100, 100, mpaint);// Round Image Corner 100 100 100 100
return imageRounded;
}

a continuación, configure su mapa de bits de visualización de imágenes con valor devuelto diviértase

Answer 5

Intenta esto si necesitas obtener una imagen redondeada ..

Tu clase MainActivity.java

public class MainActivity extends Activity {
private static final int REQUEST_CODE = 1;
private Bitmap bitmap;
private ImageView imageView;
Bitmap roundedBitmapImage;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
imageView = (ImageView) findViewById(R.id.result);
}
public void pickImage(View View) {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
startActivityForResult(intent, REQUEST_CODE);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_CODE && resultCode == Activity.RESULT_OK)
try {
// We need to recycle unused bitmaps
if (bitmap != null) {
bitmap.recycle();
}
InputStream stream = getContentResolver().openInputStream(
data.getData());
bitmap = BitmapFactory.decodeStream(stream);
stream.close();
/* Bitmap bitmap1=BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher);
Bitmap bitmap2=BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher);
Bitmap resultingImage=Bitmap.createBitmap(320, 480, bitmap1.getConfig());
Canvas canvas = new Canvas(resultingImage);
Paint paint = new Paint();
paint.setAntiAlias(true);
Path path=new Path();
path.lineTo(150, 0);
path.lineTo(230, 120);
path.lineTo(70, 120);
path.lineTo(150, 0);
canvas.drawPath(path, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap2, 0, 0, paint);*/
//-------> compositeImageView.setImageBitmap(resultingImage);
// Use this when to provide any shape to image i.e Fit image to any shape.
// under mentioned taking reference from Rounder class. Finally changing image in round shape.
// Here we are passing reference bitmap.
roundedBitmapImage = new Rounder().getRoundedShape(bitmap);
imageView.setImageBitmap(roundedBitmapImage);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
super.onActivityResult(requestCode, resultCode, data);
}
}

Y tu clase más redonda.

/ ** Esta clase recorta la imagen en forma redonda * /

public class Rounder {
public Bitmap getRoundedShape(Bitmap scaleBitmapImage) {
int targetWidth = 125;
int targetHeight = 125;
Bitmap targetBitmap = Bitmap.createBitmap(targetWidth, targetHeight,
Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(targetBitmap);
Path path = new Path();
path.addCircle(((float) targetWidth - 1) / 2,
((float) targetHeight - 1) / 2,
(Math.min(((float) targetWidth), ((float) targetHeight)) / 2),
Path.Direction.CCW);
canvas.clipPath(path);
Bitmap sourceBitmap = scaleBitmapImage;
canvas.drawBitmap(sourceBitmap, new Rect(0, 0, sourceBitmap.getWidth(),
sourceBitmap.getHeight()), new Rect(0, 0, targetWidth,
targetHeight), null);
return targetBitmap;
}
}

Answer 6

Puedes hacerlo por XML de esta manera

<stroke android:width="3dp"
android:color="#ff000000"/>
<padding android:left="1dp"
android:top="1dp"
android:right="1dp"
android:bottom="1dp"/>
<corners android:radius="30px"/>

y pragmáticamente puede crear un mapa de bits redondeado y establecerlo en ImageView.

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(),
bitmap.getHeight(), Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
final RectF rectF = new RectF(rect);
final float roundPx = 12;
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
return output;
}

Para el cargador perezoso universal puede usar este wat también.

DisplayImageOptions options = new DisplayImageOptions.Builder()
.displayer(new RoundedBitmapDisplayer(25)) // default
.build();

Answer 7

Solo me pregunto si alguien todavía necesita que se haga.

Para ellos: puedes usar RoundedBitmapDrawable para tu propósito.

Código de muestra:

ImageView profilePic = (ImageView) findViewById(R.idimageView);
RoundedBitmapDrawable roundedBitmapDrawable = RoundedBitmapDrawableFactory.create(this.getResources(),bitmap);
roundedBitmapDrawable.setCircular(true);
profilePic.setImageDrawable(roundedBitmapDrawable);

donde bitmap es la imagen que desea cargar en imageView.

Answer 8

Tu MainActivity.java es así:

LinearLayout ll = (LinearLayout) findViewById(R.id.ll);
ImageView iv = (ImageView) findViewById(R.id.iv);

Primero debes obtener tu imagen de Resource como Bitmap o Drawable .

Si obtienes como Bitmap :

Bitmap bm = BitmapFactory.decodeResource(getResources(), R.drawable.ash_arrow);
bm = new Newreza().setEffect(bm, 0.2f, ((ColorDrawable) ll.getBackground).getColor);
iv.setImageBitmap(bm);

O si consigues como Drawable :

Drawable d = getResources().getDrawable(R.drawable.ash_arrow);
d = new Newreza().setEffect(d, 0.2f, ((ColorDrawable) ll.getBackground).getColor);
iv.setImageDrawable(d);

Luego cree un nuevo archivo como Newreza.java cerca de MainActivity.java , y copie los códigos del fondo en Newreza.java :

package your.package.name;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
//Telegram:@newreza
//mail:[email protected]
public class Newreza{
int a,x,y;
float bmr;
public Bitmap setEffect(Bitmap bm,float radius,int color){
bm=bm.copy(Bitmap.Config.ARGB_8888,true);
bmr=radius*bm.getWidth();
for(y=0;y<bmr;y++){
a=(int)(bmr-Math.sqrt(y*(2*bmr-y)));
for(x=0;x<a;x++){
bm.setPixel(x,y,color);
}
}
for(y=0;y<bmr;y++){
a=(int)(bm.getWidth()-bmr+Math.sqrt(y*(2*bmr-y)));
for(x=a;x<bm.getWidth();x++){
bm.setPixel(x,y,color);
}
}
for(y=(int)(bm.getHeight()-bmr);y<bm.getHeight();y++){
a=(int)(bm.getWidth()-bmr+Math.sqrt(Math.pow(bmr,2)-Math.pow(bmr+y-bm.getHeight(),2)));
for(x=a;x<bm.getWidth();x++){
bm.setPixel(x,y,color);
}
}
for(y=(int)(bm.getHeight()-bmr);y<bm.getHeight();y++){
a=(int)(bmr-Math.sqrt(Math.pow(bmr,2)-Math.pow(bmr+y-bm.getHeight(),2)));
for(x=0;x<a;x++){
bm.setPixel(x,y,color);
}
}
return bm;
}
public Drawable setEffect(Drawable d,float radius,int color){
return new BitmapDrawable(Resources.getSystem(),setEffect(((BitmapDrawable)d).getBitmap(),radius,color));
}
}

Solo note que reemplace el nombre de su paquete con la primera línea en el código.

Funciona% 100, porque está escrito en detalles :)

Answer 9

Uso la biblioteca del cargador de imágenes universales para descargar y redondear las esquinas de la imagen, y funcionó para mí.

ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(thisContext)
// You can pass your own memory cache implementation
.discCacheFileNameGenerator(new HashCodeFileNameGenerator())
.build();
DisplayImageOptions options = new DisplayImageOptions.Builder()
.displayer(new RoundedBitmapDisplayer(10)) //rounded corner bitmap
.cacheInMemory(true)
.cacheOnDisc(true)
.build();
ImageLoader imageLoader = ImageLoader.getInstance();
imageLoader.init(config);
imageLoader.displayImage(image_url,image_view, options );

Answer 10

Utilice este ImageView personalizado en Xml

public class RoundedCornerImageView extends ImageView {
public RoundedCornerImageView(Context ctx, AttributeSet attrs) {
super(ctx, attrs);
}
@Override
protected void onDraw(Canvas canvas) {
Drawable drawable = getDrawable();
if (drawable == null) {
return;
}
if (getWidth() == 0 || getHeight() == 0) {
return;
}
Bitmap b = ((BitmapDrawable) drawable).getBitmap();
Bitmap bitmap = b.copy(Bitmap.Config.ARGB_8888, true);
int w = getWidth(), h = getHeight();
Bitmap roundBitmap = getRoundedCroppedBitmap(bitmap, w);
canvas.drawBitmap(roundBitmap, 0, 0, null);
}
public static Bitmap getRoundedCroppedBitmap(Bitmap bitmap, int radius) {
Bitmap finalBitmap;
if (bitmap.getWidth() != radius || bitmap.getHeight() != radius)
finalBitmap = Bitmap.createScaledBitmap(bitmap, radius, radius,
false);
else
finalBitmap = bitmap;
Bitmap output = Bitmap.createBitmap(finalBitmap.getWidth(),
finalBitmap.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, finalBitmap.getWidth(),
finalBitmap.getHeight());
final RectF rectf = new RectF(0, 0, finalBitmap.getWidth(),
finalBitmap.getHeight());
paint.setAntiAlias(true);
paint.setFilterBitmap(true);
paint.setDither(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(Color.parseColor("#BAB399"));
//Set Required Radius Here
int yourRadius = 7;
canvas.drawRoundRect(rectf, yourRadius, yourRadius, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(finalBitmap, rect, rect, paint);
return output;
}
}

Answer 11

Yo uso extender ImageView:

public class RadiusCornerImageView extends android.support.v7.widget.AppCompatImageView {
private int cornerRadiusDP = 0; // dp
private int corner_radius_position;
public RadiusCornerImageView(Context context) {
super(context);
}
public RadiusCornerImageView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public RadiusCornerImageView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
TypedArray typeArray = context.getTheme().obtainStyledAttributes(attrs, R.styleable.RadiusCornerImageView, 0, 0);
try {
cornerRadiusDP = typeArray.getInt(R.styleable.RadiusCornerImageView_corner_radius_dp, 0);
corner_radius_position = typeArray.getInteger(R.styleable.RadiusCornerImageView_corner_radius_position, 0);
} finally {
typeArray.recycle();
}
}
@Override
protected void onDraw(Canvas canvas) {
float radiusPx = AndroidUtil.dpToPx(getContext(), cornerRadiusDP);
Path clipPath = new Path();
RectF rect = null;
if (corner_radius_position == 0) { // all
// round corners on all 4 angles
rect = new RectF(0, 0, this.getWidth(), this.getHeight());
} else if (corner_radius_position == 1) {
// round corners only on top left and top right
rect = new RectF(0, 0, this.getWidth(), this.getHeight() + radiusPx);
} else {
throw new IllegalArgumentException("Unknown corner_radius_position = " + corner_radius_position);
}
clipPath.addRoundRect(rect, radiusPx, radiusPx, Path.Direction.CW);
canvas.clipPath(clipPath);
super.onDraw(canvas);
}
}

Answer 12

encontré la manera fácil .. imagen redonda con el radio de definición del usuario:

http://shortcutsandroid.blogspot.in/2015/02/round-image-view-in-android.html

solo agrega imageView.setRadius ();

// establecerá el radio para la vista de imagen redonda.

Answer 13

El enfoque más simple:

Después de jugar mucho con shape xml drawables, finalmente se encontró una solución de trabajo para ImageView redondeado / circular sin usar ninguna biblioteca o código Java.

Cree un archivo xml rounded_fg.xml en la carpeta res / drawable / de su aplicación. El contenido de rounded_fg.xml es el siguiente,

<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:innerRadiusRatio="2"
android:shape="ring"
android:thicknessRatio="1"
android:useLevel="false">
<gradient
android:type="radial"
android:gradientRadius="8dp"
android:endColor="@color/white"
/>
</shape>

Puede hacer coincidir endColor con el fondo de diseño del contenedor ImageView y gradientRadius puede tener cualquier valor según sus requisitos (<= 36dp).

Ahora use este dibujo como primer plano para su vista de imagen de la siguiente manera,

 <ImageView
android:layout_width="55dp"
android:layout_height="55dp"
android:foreground="@drawable/rounded_fg" />

Funciona perfecto con imágenes cuadradas y / o imágenes .

Imagen cuadrada / ImageView:

Imagen rectangular / ImageView:

Primer plano aplicado sobre un botón:

Answer 14

NUEVA RESPUESTA Use la biblioteca de Glide para esto. Esta lib también es recomendada por Google. ¿ Ver cómo redondear una imagen con la biblioteca Glide?

ANTIGUA RESPUESTA Solo agregue esa imagen en un cardView y establezca la elevación de cardView en 0dp ... hará el truco (en mi caso fue un viewPager con imágenes, simplemente reemplace viewPager con un ImageView ):

<android.support.v7.widget.CardView
android:layout_width="match_parent"
android:layout_height="250dp"
app:cardElevation="0dp">
<android.support.v4.view.ViewPager
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/viewPager"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</android.support.v7.widget.CardView>

Answer 15

• Es posible que haya encontrado su solución, pero recientemente encontré una nueva biblioteca que le permite crear cualquier forma que desee establecer en la Vista de imagen .

  • Descarga la biblioteca desde here
  • Define tu Xml como: -
  • <com.makeramen.roundedimageview.RoundedImageView......... app:riv_corner_radius="Yourradiusdip"/>
  • Y disfruta de la codificación.! Esta biblioteca que encontré es la mejor! gracias [publiqué esta respuesta más tarde pero recientemente la usé y la encontré muy útil]