Java tutorial
/* * Copyright (C) 2014 Antonio Leiva Gordillo. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.fa.imaged.activity; import android.animation.AnimatorSet; import android.animation.ObjectAnimator; import android.app.Activity; import android.app.ProgressDialog; import android.content.ClipData; import android.content.ClipboardManager; import android.content.Intent; import android.content.SharedPreferences; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Color; import android.graphics.PixelFormat; import android.graphics.PorterDuff; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.media.MediaPlayer; import android.media.MediaScannerConnection; import android.net.Uri; import android.os.AsyncTask; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.preference.PreferenceManager; import android.provider.MediaStore.Images; import android.support.v4.app.ActivityCompat; import android.support.v4.app.ActivityOptionsCompat; import android.support.v4.view.ViewCompat; import android.support.v7.graphics.Palette; import android.util.Log; import android.view.GestureDetector; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnTouchListener; import android.view.ViewTreeObserver; import android.view.animation.AccelerateInterpolator; import android.view.animation.AnimationUtils; import android.view.animation.DecelerateInterpolator; import android.view.animation.OvershootInterpolator; import android.widget.Button; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.MediaController; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.Toast; import android.widget.VideoView; import com.fa.imaged.utils.ApplicationData; import com.fa.imaged.adapters.CommentsAdapter; import com.fa.imaged.data.HeartPostTask; import com.fa.imaged.image.PicassoRound; import com.fa.imaged.posts.InstagramImage; import com.github.ksoichiro.android.observablescrollview.ObservableScrollView; import com.squareup.picasso.Callback; import com.squareup.picasso.Picasso; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.NameValuePair; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; import java.util.ArrayList; import java.util.List; import java.util.Random; import java.util.concurrent.ExecutionException; import br.com.dina.oauth.instagram.InstagramApp; public class DetailActivityV2 extends BaseActivity implements OnClickListener { private static final DecelerateInterpolator DECCELERATE_INTERPOLATOR = new DecelerateInterpolator(); private static final AccelerateInterpolator ACCELERATE_INTERPOLATOR = new AccelerateInterpolator(); private static final OvershootInterpolator OVERSHOOT_INTERPOLATOR = new OvershootInterpolator(4); // Transition Ints // The height of your fully expanded header view (same than in the xml layout) int headerHeight; // The height of your fully collapsed header view. Actually the Toolbar height (56dp) int minHeaderHeight; // The left margin of the Toolbar title (according to specs, 72dp) int toolbarTitleLeftMargin; // Added after edit int minHeaderTranslation; private ProgressDialog simpleWaitDialog; int initialScroll = 0; public static final String EXTRA_IMAGE = "DetailActivityV2:image"; public static InstagramApp mApp; public static AsyncTask<Bitmap, Void, Palette> palette; public static CommentsAdapter commentsAdapter; public static LinearLayout detailShare, detailComments, detailLike; public static RelativeLayout detailUserInfo; public static ObservableScrollView detailScrollView; public static VideoView detailVideoV2; public static ImageView detailImageV2, detailProfilePic, detailLikeStatus; public static TextView detailFullName, detailUserName, detailDate, detailCaption, detailLikeCounts, detailCommentCounts; public static InstagramImage detailImageLoaderv2; // Double Tap to like public static View detailvBgLike; public static ImageView detailivLike; //Theme Info public static int selectedThemeInt; public static String selectedTheme; public static String[] themePrimaryColors; public static String[] themePrimaryDarkColors; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mApp = new InstagramApp(getBaseContext(), ApplicationData.CLIENT_ID, ApplicationData.CLIENT_SECRET, ApplicationData.CALLBACK_URL); // Get Theme Info SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); selectedTheme = prefs.getString("theme_color", "0"); selectedThemeInt = Integer.parseInt(selectedTheme); themePrimaryColors = getResources().getStringArray(R.array.themeColorsPrimary); themePrimaryDarkColors = getResources().getStringArray(R.array.themeColorsPrimaryDark); headerHeight = getResources().getDimensionPixelSize(R.dimen.action_bar_max_height); minHeaderHeight = getResources().getDimensionPixelSize(R.dimen.action_bar_height); toolbarTitleLeftMargin = getResources().getDimensionPixelSize(R.dimen.toolbar_left_margin); detailImageLoaderv2 = (InstagramImage) getIntent().getSerializableExtra("EXTRA_DATA"); detailVideoV2 = (VideoView) findViewById(R.id.post_video); detailImageV2 = (ImageView) findViewById(R.id.post_image); ViewCompat.setTransitionName(detailImageV2, EXTRA_IMAGE); ViewCompat.setTransitionName(detailVideoV2, EXTRA_IMAGE); detailScrollView = (ObservableScrollView) findViewById(R.id.detail_scrollview); detailUserInfo = (RelativeLayout) findViewById(R.id.detail_userinfo); detailShare = (LinearLayout) findViewById(R.id.detail_share); detailComments = (LinearLayout) findViewById(R.id.detail_comments); detailLike = (LinearLayout) findViewById(R.id.detail_like); detailFullName = (TextView) findViewById(R.id.detail_fullname); detailUserName = (TextView) findViewById(R.id.detail_username); detailDate = (TextView) findViewById(R.id.detail_date); detailCaption = (TextView) findViewById(R.id.detail_postcaption); detailLikeStatus = (ImageView) findViewById(R.id.detail_likeStatus); detailLikeCounts = (TextView) findViewById(R.id.detail_likeCounts); detailCommentCounts = (TextView) findViewById(R.id.detail_commentCounts); detailProfilePic = (ImageView) findViewById(R.id.detail_user_pic); detailvBgLike = (View) findViewById(R.id.vBgLike); detailivLike = (ImageView) findViewById(R.id.ivLike); Picasso.with(this).load(detailImageLoaderv2.profile_picture).transform(new PicassoRound()) .into(detailProfilePic); detailFullName.setText(detailImageLoaderv2.full_name); detailUserName.setText(detailImageLoaderv2.username + ", "); detailDate.setText(detailImageLoaderv2.taken_at); if (detailImageLoaderv2.user_has_liked) { Drawable myIcon = getResources().getDrawable(R.drawable.ic_like); myIcon.setColorFilter(Color.RED, PorterDuff.Mode.SRC_ATOP); detailLikeStatus.setImageDrawable(myIcon); } if (detailImageLoaderv2.caption != null) { detailCaption.setText(detailImageLoaderv2.caption); } else { detailCaption.setVisibility(View.GONE); } detailLikeCounts.setText(String.valueOf(detailImageLoaderv2.liker_count)); detailCommentCounts.setText(String.valueOf(detailImageLoaderv2.comment_count)); detailImageV2.setOnTouchListener(new OnTouchListener() { private GestureDetector gestureDetector = new GestureDetector(DetailActivityV2.this, new GestureDetector.SimpleOnGestureListener() { boolean isTouchFirst = true; @Override public boolean onDoubleTap(MotionEvent eV) { animatePhotoLike(); if (!detailImageLoaderv2.user_has_liked) { HeartPostTask liker = new HeartPostTask(detailImageLoaderv2, true, 0); liker.execute(); try { detailImageLoaderv2 = liker.get(); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ExecutionException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (detailImageLoaderv2.user_has_liked) { Drawable myIcon = getResources().getDrawable(R.drawable.ic_like); myIcon.setColorFilter(Color.RED, PorterDuff.Mode.SRC_ATOP); detailLikeStatus.setImageDrawable(myIcon); } detailLikeCounts.setText(String.valueOf(detailImageLoaderv2.liker_count)); } return super.onDoubleTap(eV); } // implement here other callback methods like onFling, onScroll as necessary @Override public boolean onSingleTapConfirmed(MotionEvent e) { if (isTouchFirst) { isTouchFirst = false; getToolbar().animate().translationY(-getToolbar().getBottom()).alpha(0) .setDuration(320).setInterpolator(new DecelerateInterpolator()); } else { isTouchFirst = true; getToolbar().animate().translationY(0).alpha(1).setDuration(400) .setInterpolator(new DecelerateInterpolator()); //mSystemUiHider.show(); Log.d("Here isTouch is false", ">"); } return true; } }); @Override public boolean onTouch(View v, MotionEvent event) { gestureDetector.onTouchEvent(event); return true; } }); detailShare.setOnClickListener(this); detailLike.setOnClickListener(this); detailProfilePic.setOnClickListener(this); detailScrollView.getViewTreeObserver() .addOnScrollChangedListener(new ViewTreeObserver.OnScrollChangedListener() { @Override public void onScrollChanged() { int scroll = detailScrollView.getScrollY(); saveInitialScroll(scroll); /* if(detailUserInfo != null){ if (getAlpha(-scroll - getToolbar().getHeight()) >= 1.0f) { detailUserInfo.setTranslationY(-detailUserInfo.getHeight() + getToolbar().getHeight()); } else { detailUserInfo.setTranslationY(-scroll - detailUserInfo.getHeight()); } } */ findViewById(R.id.detail_image_container) .setTranslationY(Math.max(0, detailScrollView.getScrollY() + minHeaderTranslation)); float offset = 1 - Math.max((float) (-minHeaderTranslation - detailScrollView.getScrollY()) / -minHeaderTranslation, 0f); // Now that we have this ratio, we only have to apply translations, scales, // alpha, etc. to the header views // For instance, this will move the toolbar title & subtitle on the X axis // from its original position when the ListView will be completely scrolled // down, to the Toolbar title position when it will be scrolled up. //detailFullName.setTranslationX(toolbarTitleLeftMargin * offset); //detailUserName.setTranslationX(toolbarTitleLeftMargin * offset); //detailProfilePic.animate().alpha(1.0f * offset).translationX(-toolbarTitleLeftMargin * offset); } }); commentsAdapter = new CommentsAdapter(this, detailImageLoaderv2.comment_list); if (detailImageLoaderv2.comment_count > 8) { Button load_more_button = new Button(this); load_more_button.setText(getResources().getString(R.string.load_old_comments)); load_more_button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Toast.makeText(getApplicationContext(), getResources().getString(R.string.coming_soon), Toast.LENGTH_SHORT).show(); } }); detailComments.addView(load_more_button, 0); } for (int i = 0; i < commentsAdapter.getCount(); i++) { View item = commentsAdapter.getView(i, null, detailComments); detailComments.addView(item); } } private float getAlpha(int scrollY) { double slope = 1.00 / (double) (Math.abs(initialScroll) - getToolbar().getHeight()); return (float) (-slope * scrollY) + 1; } private void saveInitialScroll(int scroll) { if (scroll <= initialScroll) { initialScroll = scroll; } } //Handle all view clicks @Override public void onClick(View v) { switch (v.getId()) { case R.id.detail_like: if (detailImageLoaderv2.user_has_liked) { HeartPostTask liker = new HeartPostTask(detailImageLoaderv2, false, 0); liker.execute(); try { detailImageLoaderv2 = liker.get(); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ExecutionException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (!detailImageLoaderv2.user_has_liked) { Drawable myIcon = getResources().getDrawable(R.drawable.ic_like); myIcon.setColorFilter(0, PorterDuff.Mode.SRC_ATOP); detailLikeStatus.setImageDrawable(myIcon); } detailLikeCounts.setText(String.valueOf(detailImageLoaderv2.liker_count)); } else { animatePhotoLike(); HeartPostTask liker = new HeartPostTask(detailImageLoaderv2, true, 0); liker.execute(); try { detailImageLoaderv2 = liker.get(); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ExecutionException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (detailImageLoaderv2.user_has_liked) { Drawable myIcon = getResources().getDrawable(R.drawable.ic_like); myIcon.setColorFilter(Color.RED, PorterDuff.Mode.SRC_ATOP); detailLikeStatus.setImageDrawable(myIcon); } detailLikeCounts.setText(String.valueOf(detailImageLoaderv2.liker_count)); } break; case R.id.detail_likeCounts: Intent i = new Intent(getBaseContext(), LikersActivity.class); i.putExtra("media_id", detailImageLoaderv2.id); i.putExtra("title", "Likers " + "(" + detailImageLoaderv2.liker_count + ")"); startActivity(i); break; case R.id.detail_share: Intent shareIntent = new Intent(); Uri uri = null; // Create share intent as described above if (!detailImageLoaderv2.video) { Drawable mDrawable = detailImageV2.getDrawable(); Bitmap mBitmap = ((BitmapDrawable) mDrawable).getBitmap(); String path = Images.Media.insertImage(getContentResolver(), mBitmap, detailImageLoaderv2.full_name, detailImageLoaderv2.caption); uri = Uri.parse(path); } else { } shareIntent.setAction(Intent.ACTION_SEND); shareIntent.putExtra(Intent.EXTRA_STREAM, uri); shareIntent.putExtra(Intent.EXTRA_TEXT, detailImageLoaderv2.caption + getResources().getString(R.string.share_postby) + detailImageLoaderv2.username); startActivity(Intent.createChooser(shareIntent, getResources().getString(R.string.share_to))); break; case R.id.detail_user_pic: viewProfile(this, detailImageLoaderv2); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.detail, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); switch (id) { case android.R.id.home: ActivityCompat.finishAfterTransition(this); return true; case R.id.save_photo: try { new ImageDownloader().execute(detailImageLoaderv2.standard_resolution); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); Toast.makeText(this, "Error saving image", Toast.LENGTH_SHORT); } return true; case R.id.copy_link: if (detailImageLoaderv2.permalink != null) { ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE); ClipData clip = ClipData.newPlainText("Post Link", detailImageLoaderv2.permalink); clipboard.setPrimaryClip(clip); Toast.makeText(this, "Link Copied", Toast.LENGTH_SHORT).show(); } else { Toast.makeText(this, "Cannot copy link", Toast.LENGTH_SHORT); } return true; } return super.onOptionsItemSelected(item); } @Override public void onBackPressed() { super.onBackPressed(); ActivityCompat.finishAfterTransition(this); } @Override public void onResume() { super.onResume(); loadImage(); } public void viewProfile(Activity activity, InstagramImage data) { Intent profile = new Intent(activity, ProfileActivity.class); profile.putExtra("profile_page", data.user_id); profile.putExtra("profile_picture", data.profile_picture); profile.putExtra("profile_name", data.full_name); profile.putExtra("profile_uname", data.username); profile.putExtra("profile_posts", 0); profile.putExtra("profile_follows", 0); profile.putExtra("profile_following", 0); // start the new activity activity.startActivity(profile); } public void postComment(String comment, InstagramImage image) { List<NameValuePair> postParams = new ArrayList<NameValuePair>(); postParams.add(new BasicNameValuePair("text", comment)); postParams.add(new BasicNameValuePair("access_token", mApp.mAccessToken)); String url = "https://api.instagram.com/v1/media/" + image.id + "/comments/"; DefaultHttpClient httpClient = new DefaultHttpClient(); /* JSONObject jsonResponse = Utils.doRestfulPut(httpClient, url, postParams, this); if( jsonResponse != null ) { image.comment_list.add(new Comment(mApp.getUserName(),comment, mApp.getProfilePic())); adapter.notifyDataSetChanged(); } else { Toast.makeText(this, "Comment failed", Toast.LENGTH_SHORT).show(); }*/ } @Override protected int getLayoutResource() { return R.layout.activity_detail_v2; } private void applyPalette(Palette palette) { if (palette.getVibrantSwatch() != null) { int paletteColor = palette.getVibrantColor(Color.parseColor(themePrimaryDarkColors[selectedThemeInt])); detailUserInfo.setBackgroundColor(paletteColor); } else { detailUserInfo.setBackgroundColor(Color.parseColor(themePrimaryDarkColors[selectedThemeInt])); } } /** * Load the item's image into our {@link ImageView}. */ private void loadImage() { Picasso.with(this).load(getIntent().getStringExtra(EXTRA_IMAGE)).noFade() .placeholder(android.R.color.background_light).into(detailImageV2, new Callback() { @Override public void onError() { // TODO Auto-generated method stub } @Override public void onSuccess() { Bitmap bitmap = ((BitmapDrawable) detailImageV2.getDrawable()).getBitmap(); Palette.generateAsync(bitmap, new Palette.PaletteAsyncListener() { @Override public void onGenerated(Palette palette) { Palette.Swatch vibrant = palette.getVibrantSwatch(); if (vibrant != null) { // If we have a vibrant color // update the title TextView detailUserInfo.setBackgroundColor(vibrant.getRgb()); } } }); Picasso.with(getApplicationContext()).load(detailImageLoaderv2.standard_resolution).noFade() .placeholder(detailImageV2.getDrawable()).into(detailImageV2); LinearLayout detailSlideUp = (LinearLayout) findViewById(R.id.detail_slide_up); detailSlideUp.startAnimation(AnimationUtils.loadAnimation(getApplicationContext(), android.support.v7.appcompat.R.anim.abc_slide_in_bottom)); if (detailImageLoaderv2.video) { PlayVideo(); } } }); } // Playing Video private void PlayVideo() { try { getWindow().setFormat(PixelFormat.TRANSLUCENT); MediaController mediaController = new MediaController(this); mediaController.setAnchorView(detailVideoV2); detailVideoV2.setVisibility(View.VISIBLE); Uri video = Uri.parse(detailImageLoaderv2.video_standard_res); detailVideoV2.setMediaController(mediaController); detailVideoV2.setVideoURI(video); detailVideoV2.requestFocus(); detailVideoV2.setOnPreparedListener(new MediaPlayer.OnPreparedListener() { public void onPrepared(MediaPlayer mp) { detailImageV2.setVisibility(View.GONE); detailVideoV2.start(); } }); } catch (Exception e) { System.out.println("Video Play Error :" + e.toString()); } } // Like Animation private static void animatePhotoLike() { detailvBgLike.setVisibility(View.VISIBLE); detailivLike.setVisibility(View.VISIBLE); detailvBgLike.setScaleY(0.1f); detailvBgLike.setScaleX(0.1f); detailvBgLike.setAlpha(1f); detailivLike.setScaleY(0.1f); detailivLike.setScaleX(0.1f); AnimatorSet animatorSet = new AnimatorSet(); ObjectAnimator bgScaleYAnim = ObjectAnimator.ofFloat(detailvBgLike, "scaleY", 0.1f, 1f); bgScaleYAnim.setDuration(200); bgScaleYAnim.setInterpolator(DECCELERATE_INTERPOLATOR); ObjectAnimator bgScaleXAnim = ObjectAnimator.ofFloat(detailvBgLike, "scaleX", 0.1f, 1f); bgScaleXAnim.setDuration(200); bgScaleXAnim.setInterpolator(DECCELERATE_INTERPOLATOR); ObjectAnimator bgAlphaAnim = ObjectAnimator.ofFloat(detailvBgLike, "alpha", 1f, 0f); bgAlphaAnim.setDuration(200); bgAlphaAnim.setStartDelay(150); bgAlphaAnim.setInterpolator(DECCELERATE_INTERPOLATOR); ObjectAnimator imgScaleUpYAnim = ObjectAnimator.ofFloat(detailivLike, "scaleY", 0.1f, 1f); imgScaleUpYAnim.setDuration(300); imgScaleUpYAnim.setInterpolator(DECCELERATE_INTERPOLATOR); ObjectAnimator imgScaleUpXAnim = ObjectAnimator.ofFloat(detailivLike, "scaleX", 0.1f, 1f); imgScaleUpXAnim.setDuration(300); imgScaleUpXAnim.setInterpolator(DECCELERATE_INTERPOLATOR); ObjectAnimator imgScaleDownYAnim = ObjectAnimator.ofFloat(detailivLike, "scaleY", 1f, 0f); imgScaleDownYAnim.setDuration(300); imgScaleDownYAnim.setInterpolator(ACCELERATE_INTERPOLATOR); ObjectAnimator imgScaleDownXAnim = ObjectAnimator.ofFloat(detailivLike, "scaleX", 1f, 0f); imgScaleDownXAnim.setDuration(300); imgScaleDownXAnim.setInterpolator(ACCELERATE_INTERPOLATOR); animatorSet.playTogether(bgScaleYAnim, bgScaleXAnim, bgAlphaAnim, imgScaleUpYAnim, imgScaleUpXAnim); animatorSet.play(imgScaleDownYAnim).with(imgScaleDownXAnim).after(imgScaleUpYAnim); animatorSet.start(); } public static void launch(Activity activity, View transitionView, InstagramImage image, String url) { ActivityOptionsCompat options = ActivityOptionsCompat.makeSceneTransitionAnimation(activity, transitionView, EXTRA_IMAGE); Intent intent = new Intent(activity, DetailActivityV2.class); intent.putExtra("EXTRA_DATA", image); intent.putExtra(EXTRA_IMAGE, url); if (Build.VERSION.SDK_INT >= 16) { activity.startActivity(intent, options.toBundle()); } else { activity.startActivity(intent); } } private class ImageDownloader extends AsyncTask<String, Void, Bitmap> { boolean completed = false; @Override protected Bitmap doInBackground(String... param) { // TODO Auto-generated method stub Bitmap bp = downloadBitmap(param[0]); if (bp != null) saveImage(bp); return null; } @Override protected void onPreExecute() { Log.i("Async-Example", "onPreExecute Called"); simpleWaitDialog = ProgressDialog.show(DetailActivityV2.this, "Please Wait", "Downloading Image"); } @Override protected void onPostExecute(Bitmap result) { Log.i("Async-Example", "onPostExecute Called"); simpleWaitDialog.dismiss(); if (completed) { Toast.makeText(DetailActivityV2.this, getResources().getString(R.string.download_error), Toast.LENGTH_SHORT).show(); } else { Toast.makeText(DetailActivityV2.this, getResources().getString(R.string.download_success), Toast.LENGTH_SHORT).show(); } } private void saveImage(Bitmap finalBitmap) { String root = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).toString(); File myDir = new File(root + "/Filmstrip/"); myDir.mkdirs(); Random generator = new Random(); int n = 10000; n = generator.nextInt(n); String fname = "image_" + n + ".jpg"; File file = new File(myDir, fname); if (file.exists()) file.delete(); try { FileOutputStream out = new FileOutputStream(file); finalBitmap.compress(Bitmap.CompressFormat.JPEG, 90, out); out.flush(); out.close(); } catch (Exception e) { e.printStackTrace(); } // Tell the media scanner about the new file so that it is // immediately available to the user. MediaScannerConnection.scanFile(DetailActivityV2.this, new String[] { file.toString() }, null, new MediaScannerConnection.OnScanCompletedListener() { public void onScanCompleted(String path, Uri uri) { completed = true; Log.i("ExternalStorage", "Scanned " + path + ":"); Log.i("ExternalStorage", "-> uri=" + uri); } }); } private Bitmap downloadBitmap(String url) { // initilize the default HTTP client object final DefaultHttpClient client = new DefaultHttpClient(); //forming a HttoGet request final HttpGet getRequest = new HttpGet(url); try { HttpResponse response = client.execute(getRequest); //check 200 OK for success final int statusCode = response.getStatusLine().getStatusCode(); if (statusCode != HttpStatus.SC_OK) { Log.w("ImageDownloader", "Error " + statusCode + " while retrieving bitmap from " + url); return null; } final HttpEntity entity = response.getEntity(); if (entity != null) { InputStream inputStream = null; try { // getting contents from the stream inputStream = entity.getContent(); // decoding stream data back into image Bitmap that android understands final Bitmap bitmap = BitmapFactory.decodeStream(inputStream); return bitmap; } finally { if (inputStream != null) { inputStream.close(); } entity.consumeContent(); } } } catch (Exception e) { // You Could provide a more explicit error message for IOException getRequest.abort(); Log.e("ImageDownloader", "Something went wrong while" + " retrieving bitmap from " + url + e.toString()); } return null; } } }