Back to project page rsmonitor-heartrate.
The source code is released under:
GNU General Public License
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package com.facebook.android; /*from www .j a v a 2 s. c o m*/ import java.io.BufferedInputStream; import java.io.ByteArrayOutputStream; import java.io.FilterInputStream; import java.io.IOException; import java.io.InputStream; import java.net.URL; import java.net.URLConnection; import java.util.Hashtable; import org.json.JSONObject; import android.app.Application; import android.content.Context; import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Matrix; import android.net.Uri; //import android.net.http.AndroidHttpClient; import android.provider.MediaStore; public class Utility extends Application { public static Facebook mFacebook; public static AsyncFacebookRunner mAsyncRunner; public static JSONObject mFriendsList; public static String userUID = null; public static String objectID = null; public static FriendsGetProfilePics model; // public static AndroidHttpClient httpclient = null; public static Hashtable<String, String> currentPermissions = new Hashtable<String, String>(); private static int MAX_IMAGE_DIMENSION = 720; public static final String HACK_ICON_URL = "http://www.facebookmobileweb.com/hackbook/img/facebook_icon_large.png"; public static Bitmap getBitmap(String url) { Bitmap bm = null; try { URL aURL = new URL(url); URLConnection conn = aURL.openConnection(); conn.connect(); InputStream is = conn.getInputStream(); BufferedInputStream bis = new BufferedInputStream(is); bm = BitmapFactory.decodeStream(new FlushedInputStream(is)); bis.close(); is.close(); } catch (Exception e) { e.printStackTrace(); } finally { // if (httpclient != null) { // httpclient.close(); // } } return bm; } static class FlushedInputStream extends FilterInputStream { public FlushedInputStream(InputStream inputStream) { super(inputStream); } @Override public long skip(long n) throws IOException { long totalBytesSkipped = 0L; while (totalBytesSkipped < n) { long bytesSkipped = in.skip(n - totalBytesSkipped); if (bytesSkipped == 0L) { int b = read(); if (b < 0) { break; // we reached EOF } else { bytesSkipped = 1; // we read one byte } } totalBytesSkipped += bytesSkipped; } return totalBytesSkipped; } } public static byte[] scaleImage(Context context, Uri photoUri) throws IOException { InputStream is = context.getContentResolver().openInputStream(photoUri); BitmapFactory.Options dbo = new BitmapFactory.Options(); dbo.inJustDecodeBounds = true; BitmapFactory.decodeStream(is, null, dbo); is.close(); int rotatedWidth, rotatedHeight; int orientation = getOrientation(context, photoUri); if (orientation == 90 || orientation == 270) { rotatedWidth = dbo.outHeight; rotatedHeight = dbo.outWidth; } else { rotatedWidth = dbo.outWidth; rotatedHeight = dbo.outHeight; } Bitmap srcBitmap; is = context.getContentResolver().openInputStream(photoUri); if (rotatedWidth > MAX_IMAGE_DIMENSION || rotatedHeight > MAX_IMAGE_DIMENSION) { float widthRatio = ((float) rotatedWidth) / ((float) MAX_IMAGE_DIMENSION); float heightRatio = ((float) rotatedHeight) / ((float) MAX_IMAGE_DIMENSION); float maxRatio = Math.max(widthRatio, heightRatio); // Create the bitmap from file BitmapFactory.Options options = new BitmapFactory.Options(); options.inSampleSize = (int) maxRatio; srcBitmap = BitmapFactory.decodeStream(is, null, options); } else { srcBitmap = BitmapFactory.decodeStream(is); } is.close(); /* * if the orientation is not 0 (or -1, which means we don't know), we * have to do a rotation. */ if (orientation > 0) { Matrix matrix = new Matrix(); matrix.postRotate(orientation); srcBitmap = Bitmap.createBitmap(srcBitmap, 0, 0, srcBitmap.getWidth(), srcBitmap.getHeight(), matrix, true); } String type = context.getContentResolver().getType(photoUri); ByteArrayOutputStream baos = new ByteArrayOutputStream(); if (type.equals("image/png")) { srcBitmap.compress(Bitmap.CompressFormat.PNG, 100, baos); } else if (type.equals("image/jpg") || type.equals("image/jpeg")) { srcBitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos); } byte[] bMapArray = baos.toByteArray(); baos.close(); return bMapArray; } public static int getOrientation(Context context, Uri photoUri) { /* it's on the external media. */ Cursor cursor = context.getContentResolver().query(photoUri, new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null); if (cursor.getCount() != 1) { return -1; } cursor.moveToFirst(); return cursor.getInt(0); } }