Load image from url

Question

I have an image URL  I want to display an image from this URL in an ImageView but I am unable to do that   How can this be achieved

User · Answer

import java io IOException  import java io InputStream  import java net HttpURLConnection  import java net MalformedURLException  import java net URL   import android graphics Bitmap  import android graphics BitmapFactory  import android widget ImageView  import android widget Toast   public class imageDownload        Bitmap bmImg      void downloadfile String fileurl ImageView img                URL myfileurl  null          try                       myfileurl  new URL fileurl                      catch  MalformedURLException e                         e printStackTrace                       try                       HttpURLConnection conn   HttpURLConnection myfileurl openConnection                conn setDoInput true               conn connect                int length   conn getContentLength                int   bitmapData  new int length               byte   bitmapData2  new byte length               InputStream is   conn getInputStream                BitmapFactory Options options   new BitmapFactory Options                 bmImg   BitmapFactory decodeStream is null options                img setImageBitmap bmImg                  dialog dismiss                           catch IOException e                           TODO Auto-generated catch block             e printStackTrace                Toast makeText PhotoRating this   Connection Problem  Try Again    Toast LENGTH SHORT  show                            in your activity take imageview  amp  set resource imageDownload url yourImageview

User · Answer

Try this   InputStream input   contentResolver openInputStream httpuri   Bitmap b   BitmapFactory decodeStream input  null  options

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public class MainActivity extends Activity        Bitmap b      ImageView img       Override     protected void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           setContentView R layout activity main           img    ImageView findViewById R id imageView1           information info   new information            info execute                 public class information extends AsyncTask lt String  String  String gt                 Override         protected String doInBackground String    arg0                 try                               URL url   new URL  http   10 119 120 10 80 img jpg                    InputStream is   new BufferedInputStream url openStream                     b   BitmapFactory decodeStream is                  catch Exception e                return null                      Override         protected void onPostExecute String result                img setImageBitmap b

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There is two way    1  Using Glide library This is best way to load image from url because when you try to display same url in second time it will display from catch so improve app performance  Glide with context  load  YourUrl   into imageView     dependency    implementation  com github bumptech glide glide 4 10 0     2  Using Stream  Here you want to create bitmap from url image  URL url   new URL  YourUrl    Bitmap bitmap   BitmapFactory decodeStream url openConnection   getInputStream     imageView setImageBitmap bitmap

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add Internet permission in manifest   lt uses-permission android name  android permission INTERNET    gt    than create methode as below    public static Bitmap getBitmapFromURL String src        try           Log e  src   src           URL url   new URL src           HttpURLConnection connection    HttpURLConnection  url openConnection            connection setDoInput true           connection connect            InputStream input   connection getInputStream            Bitmap myBitmap   BitmapFactory decodeStream input           Log e  Bitmap    returned            return myBitmap        catch  IOException e            e printStackTrace            Log e  Exception   e getMessage             return null            now add this in your onCreate method    ImageView img add    ImageView  findViewById R id img add     img add setImageBitmap getBitmapFromURL  http   www deepanelango me wpcontent uploads 2017 06 noyyal1 jpg       this is works for me

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Based on this answer i write my own loader   With Loading effect and Appear effect    import android content Context  import android graphics Bitmap  import android graphics BitmapFactory  import android os AsyncTask  import android util DisplayMetrics  import android util Log  import android view Gravity  import android view View  import android view ViewGroup  import android view animation AlphaAnimation  import android view animation Animation  import android widget FrameLayout  import android widget ImageView  import android widget ProgressBar   import java io InputStream          Created by Sergey Shustikov  pandarium shustikov gmail com  at 2015      public class DownloadImageTask extends AsyncTask lt String  Void  Bitmap gt        public static final int ANIMATION DURATION   250      private final ImageView mDestination  mFakeForError      private final String mUrl      private final ProgressBar mProgressBar      private Animation AnimationListener mOutAnimationListener   new Animation AnimationListener                  Override         public void onAnimationStart Animation animation                                 Override         public void onAnimationEnd Animation animation                        mProgressBar setVisibility View GONE                       Override         public void onAnimationRepeat Animation animation                                  private Animation AnimationListener mInAnimationListener   new Animation AnimationListener                  Override         public void onAnimationStart Animation animation                        if  isBitmapSet                  mDestination setVisibility View VISIBLE               else                 mFakeForError setVisibility View VISIBLE                       Override         public void onAnimationEnd Animation animation                                 Override         public void onAnimationRepeat Animation animation                                  private boolean isBitmapSet       public DownloadImageTask Context context  ImageView destination  String url                mDestination   destination          mUrl   url          ViewGroup parent    ViewGroup  destination getParent            mFakeForError   new ImageView context           destination setVisibility View GONE           FrameLayout layout   new FrameLayout context           mProgressBar   new ProgressBar context           FrameLayout LayoutParams params   new FrameLayout LayoutParams ViewGroup LayoutParams WRAP CONTENT  ViewGroup LayoutParams WRAP CONTENT           params gravity   Gravity CENTER          mProgressBar setLayoutParams params           FrameLayout LayoutParams copy   new FrameLayout LayoutParams ViewGroup LayoutParams WRAP CONTENT  ViewGroup LayoutParams WRAP CONTENT           copy gravity   Gravity CENTER          copy width   dpToPx 48           copy height   dpToPx 48           mFakeForError setLayoutParams copy           mFakeForError setVisibility View GONE           mFakeForError setImageResource android R drawable ic menu close clear cancel           layout addView mProgressBar           layout addView mFakeForError           mProgressBar setIndeterminate true           parent addView layout  new ViewGroup LayoutParams ViewGroup LayoutParams MATCH PARENT  ViewGroup LayoutParams MATCH PARENT               protected Bitmap doInBackground String    urls                String urlDisplay   mUrl          Bitmap bitmap   null          try               InputStream in   new java net URL urlDisplay  openStream                bitmap   BitmapFactory decodeStream in             catch  Exception e                Log e  Error   e getMessage                 e printStackTrace                      return bitmap             protected void onPostExecute Bitmap result                AlphaAnimation in   new AlphaAnimation 0f  1f           AlphaAnimation out   new AlphaAnimation 1f  0f           in setDuration ANIMATION DURATION   2           out setDuration ANIMATION DURATION           out setAnimationListener mOutAnimationListener           in setAnimationListener mInAnimationListener           in setStartOffset ANIMATION DURATION           if  result    null                mDestination setImageBitmap result               isBitmapSet   true              mDestination startAnimation in             else               mFakeForError startAnimation in                     mProgressBar startAnimation out             public int dpToPx int dp            DisplayMetrics displayMetrics   mDestination getContext   getResources   getDisplayMetrics            int px   Math round dp    displayMetrics xdpi   DisplayMetrics DENSITY DEFAULT            return px            Add permission    lt uses-permission android name  android permission INTERNET   gt    And execute     new DownloadImageTask context  imageViewToLoad  urlToImage  execute

User · Answer

The accepted answer above is great if you are loading the image based on a button click  however if you are doing it in a new activity it freezes up the UI for a second or two  Looking around I found that a simple asynctask eliminated this problem    To use an asynctask to add this class at the end of your activity   private class DownloadImageTask extends AsyncTask lt String  Void  Bitmap gt      ImageView bmImage     public DownloadImageTask ImageView bmImage          this bmImage   bmImage         protected Bitmap doInBackground String    urls          String urldisplay   urls 0         Bitmap mIcon11   null        try           InputStream in   new java net URL urldisplay  openStream            mIcon11   BitmapFactory decodeStream in           catch  Exception e              Log e  Error   e getMessage               e printStackTrace                  return mIcon11         protected void onPostExecute Bitmap result          bmImage setImageBitmap result           And call from your onCreate   method using   new DownloadImageTask  ImageView  findViewById R id imageView1            execute MY URL STRING     Dont forget to add below permission in your manifest file   lt uses-permission android name  android permission INTERNET   gt    Works great for me

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loadImage  http   relinjose com directory filename png      Here you go  void loadImage String image location        URL imageURL   null      if  image location    null            try               imageURL   new URL image location                        HttpURLConnection connection    HttpURLConnection  imageURL                      openConnection                connection setDoInput true               connection connect                InputStream inputStream   connection getInputStream                bitmap   BitmapFactory decodeStream inputStream     Convert to bitmap             ivdpfirst setImageBitmap bitmap             catch  IOException e                e printStackTrace                    else             set any default

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URL url   new URL  http   image10 bizrate-images com resize sq 60 amp uid 2216744464    Bitmap bmp   BitmapFactory decodeStream url openConnection   getInputStream     imageView setImageBitmap bmp

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UrlImageViewHelper will fill an ImageView with an image that is found at a URL  UrlImageViewHelper will automatically download  save  and cache all the image urls the BitmapDrawables  Duplicate urls will not be loaded into memory twice  Bitmap memory is managed by using a weak reference hash table  so as soon as the image is no longer used by you  it will be garbage collected automatically    UrlImageViewHelper setUrlDrawable imageView   http   example com image png     https   github com koush UrlImageViewHelper

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To me  Fresco is the best among the other libraries   Just setup Fresco and then simply set the imageURI like this   draweeView setImageURI uri     Check out this answer explaining some of Fresco benefits

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Best Method I have tried instead of using any libraries  public Bitmap getbmpfromURL String surl       try           URL url   new URL surl           HttpURLConnection urlcon    HttpURLConnection  url openConnection            urlcon setDoInput true           urlcon connect            InputStream in   urlcon getInputStream            Bitmap mIcon   BitmapFactory decodeStream in           return  mIcon        catch  Exception e            Log e  Error   e getMessage             e printStackTrace            return null

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try picasso nice and finishes in one statement Picasso with context                   load ImageURL                   resize width height  into imageView    tutorial  https   youtu be DxRqxsEPc2s  note  Picasso with   has been renamed to Picasso get   in the latest release

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Here is sample code for display Image from URL    public static Void downloadfile String fileurl  ImageView img            Bitmap bmImg   null          URL myfileurl   null          try               myfileurl   new URL fileurl             catch  MalformedURLException e                e printStackTrace                      try               HttpURLConnection conn    HttpURLConnection  myfileurl openConnection                conn setDoInput true               conn connect                int length   conn getContentLength                if  length  gt  0                    int   bitmapData   new int length                   byte   bitmapData2   new byte length                   InputStream is   conn getInputStream                    bmImg   BitmapFactory decodeStream is                   img setImageBitmap bmImg                            catch  IOException e                e printStackTrace

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The code below show you how to set ImageView from a url string  using RxAndroid  First  add RxAndroid library 2 0  dependencies          RxAndroid     compile  io reactivex rxjava2 rxandroid 2 0 0      compile  io reactivex rxjava2 rxjava 2 0 0          Utilities     compile  org apache commons commons-lang3 3 5       now use setImageFromUrl to set image   public void setImageFromUrl final ImageView imageView  final String urlString         Observable just urlString           filter new Predicate lt String gt                   Override public boolean test String url  throws Exception                   return StringUtils isNotBlank url                                     map new Function lt String  Drawable gt                   Override public Drawable apply String s  throws Exception                   URL url   null                  try                       url   new URL s                       return Drawable createFromStream  InputStream  url getContent     profile                      catch  final IOException ex                        return null                                                      filter new Predicate lt Drawable gt                   Override public boolean test Drawable drawable  throws Exception                   return drawable    null                                    subscribeOn Schedulers io             observeOn AndroidSchedulers mainThread             subscribe new Consumer lt Drawable gt                   Override public void accept Drawable drawable  throws Exception                   imageView setImageDrawable drawable

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Try this add picasso lib jar file  Picasso with context                   load ImageURL                   resize width height  noFade   into imageView

[android] Load image from url

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