Resizeable ImageView in android:

package com.yourpackage;

 import android.content.Context;

 import android.graphics.drawable.Drawable; 

import android.util.AttributeSet; 

import android.widget.ImageView; 

 public class ResizableImageView extends ImageView { 

          public ResizableImageView(Context context, AttributeSet attrs) {

          super(context, attrs); 

 }

 public ResizableImageView(Context context) {

      super(context); 

 } 

 @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 

                   Drawable d = getDrawable(); if (d == null) {                           super.setMeasuredDimension(widthMeasureSpec, heightMeasureSpec); 

                  return; 

 } 

 int imageHeight = d.getIntrinsicHeight(); 

 int imageWidth = d.getIntrinsicWidth(); 

 int widthSize = MeasureSpec.getSize(widthMeasureSpec);

 int heightSize = MeasureSpec.getSize(heightMeasureSpec); 

 float imageRatio = 0.0F; 

 if (imageHeight > 0) { 

 imageRatio = imageWidth / imageHeight; 

 } 

 float sizeRatio = 0.0F; 

 if (heightSize > 0) { 

 sizeRatio = widthSize / heightSize;

 } 

 int width; int height; 

 if (imageRatio >= sizeRatio) { 

 // set width to maximum allowed width = widthSize; 

 // scale height height = width * imageHeight / imageWidth; 

 } else {

 // set height to maximum allowed height = heightSize; 

 // scale width width = height * imageWidth / imageHeight; 

 }

 setMeasuredDimension(width, height);

 }

 }

THIS IS THE IMAGEVIEW:

`< com.YOURPACKAGENAME.ResizableImageView 
android:id="@+id/imagetweet" 
android:layout_width="match_parent" 
android:layout_height="160dp"
 android:layout_alignParentLeft="true"
 android:layout_alignParentTop="true" 
android:adjustViewBounds="true"
 android:scaleType="centerCrop" />