Develop Reference

How to define a triangle layout like this image in android?

How to create a layout like shown in image?

I think you can use android:rotation="-45" to put over the image a crossed component and make this effect.

Use this code :
1. Create TriangleImageView.java class in Java folder :
public class TriangleImageView extends ImageView {
public TriangleImageView(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(), Config.ARGB_8888);
Canvas canvas = new Canvas(output);
Paint paint = new Paint();
final Rect rect = new Rect(0, 0, finalBitmap.getWidth(),
finalBitmap.getHeight());
Point point1_draw = new Point(75, 0);
Point point2_draw = new Point(0, 180);
Point point3_draw = new Point(180, 180);
Path path = new Path();
path.moveTo(point1_draw.x, point1_draw.y);
path.lineTo(point2_draw.x, point2_draw.y);
path.lineTo(point3_draw.x, point3_draw.y);
path.lineTo(point1_draw.x, point1_draw.y);
path.close();
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(Color.parseColor("#BAB399"));
canvas.drawPath(path, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(finalBitmap, rect, rect, paint);
return output;
}
}
In Acitivity Use this code :
private imageViewTriangle;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
imageViewTriangle=(ImageView)findViewById(R.id.imageView_triangle);
Bitmap icon = BitmapFactory.decodeResource(getResources(), R.drawable.images);
imageViewTriangle.setImageBitmap(icon);
}
Output is :
Modify it as your need.
Note : ImageView is define in comment because it give me trouble to improve formatting ..

As stated above you can restructure the custom image class as the code below
public class ProfileImageView extends AppCompatImageView{
public ProfileImageView(Context context) {
super(context);
}
public ProfileImageView(Context context, #Nullable AttributeSet attrs) {
super(context, attrs);
}
public ProfileImageView(Context context, #Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
#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,this.getLayoutParams().width,this.getLayoutParams().height);
canvas.drawBitmap(roundBitmap, 0, 0, null);
}
public static Bitmap getRoundedCroppedBitmap(Bitmap bitmap, int radius, int dimension_w, int dimension_h) {
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);
Paint paint = new Paint();
final Rect rect = new Rect(0, 0, finalBitmap.getWidth(),
finalBitmap.getHeight());
Log.e("Profile",""+dimension_w);
Point point1_draw = new Point(0, 0);
Point point2_draw = new Point(dimension_w, 0);
Point point3_draw = new Point(dimension_w, (dimension_h/2));
Point point4_draw = new Point(0, dimension_h);
Path path = new Path();
path.moveTo(point1_draw.x, point1_draw.y);
path.lineTo(point2_draw.x, point2_draw.y);
path.lineTo(point3_draw.x, point3_draw.y);
path.lineTo(point4_draw.x, point4_draw.y);
path.lineTo(point1_draw.x, point1_draw.y);
path.close();
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(Color.parseColor("#BAB399"));
canvas.drawPath(path, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(finalBitmap, rect, rect, paint);
return output;
}
}
Sample screen shot

Android: Circular Drawable

I made this Custom Drawable that should clip any Drawable in circle. But with my implementation, the drawable passed is being the output in the original form not in the circular form.
public class CircularDrawable extends Drawable {
Paint mPaint,xfermodePaint;
Drawable mDrawable;
int[] vinylCenter = new int[2];
int radius;
Bitmap src;
PorterDuffXfermode xfermode;
Rect rect;
Canvas testCanvas;
public CircularDrawable(Drawable drawable) {
mDrawable = drawable;
mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPaint.setColor(0xffffffff);
mPaint.setStyle(Paint.Style.FILL);
xfermodePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
xfermode=new PorterDuffXfermode(PorterDuff.Mode.SRC_IN);
xfermodePaint.setXfermode(xfermode);
testCanvas=new Canvas();
}
#Override
public void setBounds(Rect bounds) {
super.setBounds(bounds);
mDrawable.setBounds(bounds);
}
#Override
public void setBounds(int left, int top, int right, int bottom) {
super.setBounds(left, top, right, bottom);
mDrawable.setBounds(left, top, right, bottom);
}
#Override
protected void onBoundsChange(Rect bounds) {
super.onBoundsChange(bounds);
vinylCenter[0] = bounds.width() / 2;
vinylCenter[1] = bounds.height() / 2;
radius = (bounds.right - bounds.left) / 2;
src = Bitmap.createBitmap(bounds.width(), bounds.height(), Bitmap.Config.ARGB_8888);
testCanvas.setBitmap(src);
}
#Override
public void draw(Canvas canvas) {
canvas.save();
canvas.drawARGB(0, 0, 0, 0);
canvas.drawCircle(vinylCenter[0],vinylCenter[1],radius,mPaint);
mDrawable.draw(testCanvas);
canvas.drawBitmap(src,0f,0f,xfermodePaint);
}
#Override
public void setAlpha(int alpha) {/*ignored*/}
#Override
public void setColorFilter(ColorFilter colorFilter) {/*ignored*/}
#Override
public int getOpacity() {
/*ignored*/
return 0;
}
}
What is my mistake?
Also I am using a SquareImageview to display this drawable that just makes the view square in onMeasure.
This question is not meant for Circular imageview.

You already have optimized implementation for circular drawable in Support library v4:
Google reference
/**
* A Drawable that wraps a bitmap and can be drawn with rounded corners. You can create a
* RoundedBitmapDrawable from a file path, an input stream, or from a
* {#link android.graphics.Bitmap} object.
* <p>
* Also see the {#link android.graphics.Bitmap} class, which handles the management and
* transformation of raw bitmap graphics, and should be used when drawing to a
* {#link android.graphics.Canvas}.
* </p>
*/
public abstract class RoundedBitmapDrawable extends Drawable ....

The canvas doesnt have alpha channel on by default when using Porter/Duff xfermode mode (As per my experience with my this in android). That is the reason the whole image(src) is being the output. Porter/Duff xfermode acts based on Alpha Channel.
In many implementation of Circular Drawable 2 Canvas are taken, out of which one is given RGB image bitmap and other is given only alpha channel bitmap with circular mask. Porter/Duff xfermodeis applied and the result is drawn on the main canvas.
My mistake is that I am not specifying the draw function's canvas that alpha channel is to be considered on using the layer on the canvas for xfermode.
The draw function will become
#Override
public void draw(Canvas canvas) {
int sc = canvas.saveLayer(null, null,
Canvas.HAS_ALPHA_LAYER_SAVE_FLAG |
);
canvas.drawCircle(vinylCenter[0],vinylCenter[1],radius,mPaint);
mDrawable.draw(testCanvas);
canvas.drawBitmap(src,0f,0f,xfermodePaint);
canvas.restoreToCount(sc);
}
Saving the Layer to indicate alpha channel with the flag and then using the xfermode. Finally restoring it to its save count.

So basically I use this method to get rounded corner images
public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int pixels) {
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.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 = pixels;
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
return output;
but like you pointed out sometimes it does not work, well it does work, but what happens most of the time is your imageview might have its scaletype set to centerCrop and other types, what I do is I first compress my image height to the same height and width as my imageview so that the entire image will fit in the imageview and no scaling will take place or I just calculate how much of the corner height to make rounded using this function based on the height
private int calculatePercentage(int percentage, int target)
{
int k = (int)(target*(percentage/100.0f));
return k;
}
so I use my code like: new Bitmap(getRoundedCornerBitmap(bmp, calculatePercentage(5, bmp.getHeight()))); where 5 is 5 of the image height this gives me same curves for all images be it some images are bigger than others
`

For rounded imageview you can use this code
public class RoundedImageView extends ImageView {
public RoundedImageView(Context context) {
super(context);
// TODO Auto-generated constructor stub
}
public RoundedImageView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public RoundedImageView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
#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 = getCroppedBitmap(bitmap, w);
canvas.drawBitmap(roundBitmap, 0, 0, null);
}
public static Bitmap getCroppedBitmap(Bitmap bmp, int radius)
{
Bitmap sbmp;
if (bmp.getWidth() != radius || bmp.getHeight() != radius)
sbmp = Bitmap.createScaledBitmap(bmp, radius, radius, false);
else
sbmp = bmp;
Bitmap output = Bitmap.createBitmap(sbmp.getWidth(), sbmp.getHeight(),Config.ARGB_8888);
Canvas canvas = new Canvas(output);
// final int color = 0xffa19774;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, sbmp.getWidth(), sbmp.getHeight());
paint.setAntiAlias(true);
paint.setFilterBitmap(true);
paint.setDither(true);
canvas.drawARGB(0, 0, 0, 0);
// paint.setColor(Color.parseColor("#BAB399"));
paint.setColor(Color.parseColor("#FF0000"));
canvas.drawCircle(sbmp.getWidth() / 2 + 0.7f, sbmp.getHeight() / 2 + 0.7f, sbmp.getWidth() / 2 + 0.1f, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(sbmp, rect, rect, paint);
return output;
}
}

For circular imageview use the below code
public class RoundedImageView extends ImageView {
public RoundedImageView(Context context) {
super(context);
}
public RoundedImageView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public RoundedImageView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
#Override
protected void onDraw(Canvas canvas) {
BitmapDrawable drawable = (BitmapDrawable) getDrawable();
if (drawable == null) {
return;
}
if (getWidth() == 0 || getHeight() == 0) {
return;
}
Bitmap fullSizeBitmap = drawable.getBitmap();
int scaledWidth = getMeasuredWidth();
int scaledHeight = getMeasuredHeight();
/*
* scaledWidth = scaledWidth/2; scaledHeight = scaledHeight/2;
*/
Bitmap mScaledBitmap;
if (scaledWidth == fullSizeBitmap.getWidth()
&& scaledHeight == fullSizeBitmap.getHeight()) {
mScaledBitmap = fullSizeBitmap;
} else {
mScaledBitmap = Bitmap.createScaledBitmap(fullSizeBitmap,
scaledWidth, scaledHeight, true /* filter */);
}
// Bitmap roundBitmap = getRoundedCornerBitmap(mScaledBitmap);
// Bitmap roundBitmap = getRoundedCornerBitmap(getContext(),
// mScaledBitmap, 10, scaledWidth, scaledHeight, false, false,
// false, false);
// canvas.drawBitmap(roundBitmap, 0, 0, null);
Bitmap circleBitmap = getCircledBitmap(mScaledBitmap);
canvas.drawBitmap(circleBitmap, 0, 0, null);
}
public Bitmap getRoundedCornerBitmap(Context context, Bitmap input,
int pixels, int w, int h, boolean squareTL, boolean squareTR,
boolean squareBL, boolean squareBR) {
Bitmap output = Bitmap.createBitmap(w, h, Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final float densityMultiplier = context.getResources()
.getDisplayMetrics().density;
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, w, h);
final RectF rectF = new RectF(rect);
// make sure that our rounded corner is scaled appropriately
final float roundPx = pixels * densityMultiplier;
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
// draw rectangles over the corners we want to be square
if (squareTL) {
canvas.drawRect(0, 0, w / 2, h / 2, paint);
}
if (squareTR) {
canvas.drawRect(w / 2, 0, w, h / 2, paint);
}
if (squareBL) {
canvas.drawRect(0, h / 2, w / 2, h, paint);
}
if (squareBR) {
canvas.drawRect(w / 2, h / 2, w, h, paint);
}
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(input, 0, 0, paint);
return output;
}
Bitmap getCircledBitmap(Bitmap bitmap) {
Bitmap result = Bitmap.createBitmap(bitmap.getWidth(),
bitmap.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(result);
int color = Color.BLUE;
Paint paint = new Paint();
Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
// canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2,
bitmap.getHeight() / 2, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
return result;
}
}

Try disabling hardware acceleration if you are using PorterDuffXfermode:
In manifest for whole activity:
<activity android:hardwareAccelerated="false" />
Or on a specific view on which you are using xfermode:
myView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);

How to convert ImageView into Rounded Shape?

I am using following code for converting ImageView into rounded iage, but gettin error at "Mode.SRC_IN" . Need help. Thank you in advance.
public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int pixels) {
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 = pixels;
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;
}

Use this class:
public class RoundedImageView extends ImageView {
private Paint objPaint = new Paint();
public RoundedImageView(Context context) {
super(context);
// TODO Auto-generated constructor stub
}
public RoundedImageView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public RoundedImageView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
#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();
Log.i("TAG", "Bitmap Width:" + w);
Bitmap roundBitmap = getCroppedBitmap(bitmap, w);
objPaint.setAntiAlias(true);
objPaint.setDither(true);
canvas.drawBitmap(roundBitmap, 0, 0, objPaint);
}
public static Bitmap getCroppedBitmap(Bitmap bmp, int radius) {
Bitmap sbmp;
if (bmp.getWidth() != radius || bmp.getHeight() != radius)
sbmp = Bitmap.createScaledBitmap(bmp, radius, radius, false);
else
sbmp = bmp;
Bitmap output = Bitmap.createBitmap(sbmp.getWidth(), sbmp.getHeight(),
Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final int color = 0xffa19774;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, sbmp.getWidth(), sbmp.getHeight());
paint.setAntiAlias(true);
paint.setFilterBitmap(true);
paint.setDither(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(Color.parseColor("#BAB399"));
canvas.drawCircle(sbmp.getWidth() / 2 + 0.7f,
sbmp.getHeight() / 2 + 0.7f, sbmp.getWidth() / 2 + 0.1f, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(sbmp, rect, rect, paint);
return output;
}
}
now in xml file:
<path to your class
android:id="#+id/iv_leaderboard_profile_icon"
android:layout_width="#dimen/lederboard_image_size"
android:layout_height="#dimen/lederboard_image_size"
android:src="#drawable/ic_launcher" />
here
path= com.example.view.RoundedImageView
something like that.
hope you understand, thank you.

Romain guy has an excellent blog post about achieving rounded corners on ImageViews here

For PorterDuffXfermode, you have to write import android.graphics.PorterDuffXfermode;
For Config.ARGB_8888, you have to write import android.graphics.Bitmap.Config;
Otherwise Direct press CTRL + SHIFT + O to organize imports.

A new class is introduced in android.support.v4. Which provides you the circled image which any customization.
RoundedBitmapDrawable roundedBitmapDrawable = RoundedBitmapDrawableFactory.create(mContext.getResources(), bitmap);
roundedBitmapDrawable.setCornerRadius(pixels);
imageView.setImageDrawable(roundedBitmapDrawable);
I would recommend to make use of it.

How to make an image fit into a circular frame in android

I have a ListView in which there is an ImageView, the image in the ImageView gets loaded dynamically after its fetched from the server.
Now, I want these images, of any size, to fit into a circular frame, how to do that?
Here's a sample pic of what I want

With the help of previous answer I came up with this solution.Hope it help others:
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.os.Bundle;
import android.widget.ImageView;
public class CircleImage extends Activity {
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.circle_layout);
ImageView img1 = (ImageView) findViewById(R.id.imageView1);
Bitmap bm = BitmapFactory.decodeResource(getResources(),
R.drawable.hair_four);
Bitmap resized = Bitmap.createScaledBitmap(bm, 100, 100, true);
Bitmap conv_bm = getRoundedRectBitmap(resized, 100);
img1.setImageBitmap(conv_bm);
// TODO Auto-generated method stub
}
public static Bitmap getRoundedRectBitmap(Bitmap bitmap, int pixels) {
Bitmap result = null;
try {
result = Bitmap.createBitmap(200, 200, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(result);
int color = 0xff424242;
Paint paint = new Paint();
Rect rect = new Rect(0, 0, 200, 200);
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawCircle(50, 50, 50, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
} catch (NullPointerException e) {
} catch (OutOfMemoryError o) {
}
return result;
}
}

Try this code:
public static Bitmap getRoundedRectBitmap(Bitmap bitmap, int pixels) {
try {
result = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
Bitmap.Config.ARGB_8888);
canvas = new Canvas(result);
color = 0xff424242;
paint = new Paint();
rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
rectF = new RectF(rect);
roundPx = pixels;
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);
} catch (NullPointerException e) {
// return bitmap;
} catch (OutOfMemoryError o){}
return result;
}
If you want an actual circle then you can pass 100px as parameter.

Update
There is a CircleImageView available on Github.
You can get latest version from Maven repository as add as a gradle dependency.

There are lots of tutorial regarding this. I think it will help.
https://github.com/lopspower/CircularImageView
https://github.com/wisemandesigns/CircularImageView
https://coderwall.com/p/hmzf4w

We can manage the height and width of an image from xml code and draw circle/oval from java code like
<ImageView
android:id="#+id/imageView1"
android:layout_width="#dimen/width"
android:layout_height="#dimen/height"
/>
for oval view
ImageView img1 = (ImageView) findViewById(R.id.imageView1);
Bitmap bm = BitmapFactory.decodeResource(getResources(),
R.drawable.user_image);
Bitmap conv_bm = getRoundedBitmap(bm);
img1.setImageBitmap(conv_bm);
public static Bitmap getRoundedBitmap(Bitmap bitmap)
{
final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
final Canvas canvas = new Canvas(output);
final int color = Color.RED;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
final RectF rectF = new RectF(rect);
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawOval(rectF, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
bitmap.recycle();
return output;
}
}

Add following dependancies
implementation 'jp.wasabeef:picasso-transformations:2.2.1'
implementation 'de.hdodenhof:circleimageview:3.0.0'
CircularImageView available for image fit in circle also if image is not looking proper .resize is for image resizing in circular image view.
CircleImageView img;
String Imageid;
Imageid="ImageName"; //String is not compulsary it may be drawable
Picasso.with(mContext)
.load(Imageid.get(position)) //Load the image
.error(R.drawable.ic_launcher_background) //Image resource for error
.resize(20, 20) // Post processing - Resizing the image
.into(img); // View where image is loaded.

public static Bitmap getCircleBitmap(Bitmap bitmap) {
final Bitmap circuleBitmap = Bitmap.createBitmap(bitmap.getWidth(),
bitmap.getWidth(), Bitmap.Config.ARGB_8888);
final Canvas canvas = new Canvas(circuleBitmap);
final int color = Color.RED;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getWidth());
final RectF rectF = new RectF(rect);
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawOval(rectF, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
bitmap.recycle();
return circuleBitmap;
}

how to convert the square shape image into oval shape

In my application I am taking the image from the gallery and the shape of that image is in square I want to set that image to an imageView then it should be oval shape. I.e in my case I need to crop that image like human face. can anybody tell me how to do that thanks in advance.

Use the following class instead of image view.
RoundedCornerImageView imageView1;
imageView1.setRadius(10);
This will make the image radius by 10 px, you can give wat value you want and make it as the shape you want. Have a try.
All the best :)
public class RoundedCornerImageView extends ImageView {
private int radius = 10;
public RoundedCornerImageView(Context context) {
super(context);
}
protected void onDraw(Canvas canvas) {
Path clipPath = new Path();
int w = this.getWidth();
int h = this.getHeight();
clipPath.addRoundRect(new RectF(0, 0, w, h), radius, radius, Path.Direction.CW);
canvas.clipPath(clipPath);
super.onDraw(canvas);
}
public RoundedCornerImageView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public RoundedCornerImageView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public void setRadius(int radius){
this.radius = radius;
this.invalidate();
}
}

You can use this
public Drawable getRoundedCornerImage(Drawable bitmapDrawable) {
Bitmap bitmap = ((BitmapDrawable)bitmapDrawable).getBitmap();
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 = 100;
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);
Drawable image = new BitmapDrawable(output);
return image;
}
Hope this helps you

Also you can use this or Download demo code example
public class Shape {
private Bitmap bmp;
private ImageView img;
public Shape(Bitmap bmp, ImageView img) {
this.bmp=bmp;
this.img=img;
onDraw();
}
private void onDraw(){
Canvas canvas=new Canvas();
if (bmp.getWidth() == 0 || bmp.getHeight() == 0) {
return;
}
int w = bmp.getWidth(), h = bmp.getHeight();
Bitmap roundBitmap = getOvalCroppedBitmap(bmp, w);
img.setImageBitmap(roundBitmap);
}
public static Bitmap getOvalCroppedBitmap(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);
Paint paint = new Paint();
final Rect rect = new Rect(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"));
RectF oval = new RectF(0, 0, 130, 150);
canvas.drawOval(oval, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(finalBitmap, rect, oval, paint);
return output;
}
Finally, on your main activity, instantiate your class Shape and pass two parameters to your class. The image to be cropped to oval and the imageview where your final image will be set.
Download demo code example