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ImageLoadEfftect Image From URL

ImageLoadEfftectActivity.java


public class ImageLoadEfftectActivity extends Activity {

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_image_load_efftect);

        new DownloadImageTask(getApplicationContext(), (ImageView) findViewById(R.id.imgIcon2), "https://icoconvert.com/images/logo2015.png").execute();
    }



    public class DownloadImageTask extends AsyncTask<String, Void, Bitmap>
    {
        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;
        }
    }
}




activity_image_load_efftect.xml


<ImageView    android:scaleType="fitXY"    android:id="@+id/imgIcon2"    android:layout_width="wrap_content"    android:layout_height="wrap_content"
    />

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