Example usage for android.graphics BitmapFactory decodeFile

Introduction

In this page you can find the example usage for android.graphics BitmapFactory decodeFile.

Prototype

public static Bitmap decodeFile(String pathName)

Source Link

Document

Decode a file path into a bitmap.

Usage

From source file:Main.java

public static Drawable getDrawableFromFile(Context context, File pngFile, int density) {
    Bitmap bmp = BitmapFactory.decodeFile(pngFile.getPath());
    if (bmp != null)
        bmp.setDensity(density);//www .  j  a v  a2  s. c o m

    return new BitmapDrawable(context.getResources(), bmp);
}

From source file:Main.java

protected static Uri scaleDown(Uri imageUri, int targetSize, Context context) {
    System.gc();/*w w  w. jav  a2 s.  com*/
    String imagePath = getImagePath(imageUri, context);
    Bitmap currentImage = BitmapFactory.decodeFile(imagePath);

    int targetWidth = targetSize;
    int targetHeight = targetSize;

    int width = currentImage.getWidth();
    int height = currentImage.getHeight();

    if (width < targetWidth || height < targetHeight) {
        currentImage.recycle();
        currentImage = null;
        System.gc();
        return Uri.parse(imageUri.toString());
    }

    height = (int) (height * (float) targetWidth / width);

    Bitmap scaledBitmap = Bitmap.createScaledBitmap(currentImage, targetWidth, height, false);

    if (currentImage != scaledBitmap) {
        currentImage.recycle();
        currentImage = null;
    }
    System.gc();
    File imageFile;
    try {
        imageFile = new File(context.getCacheDir(), "vumatch-upload-00.jpeg");
        FileOutputStream output;

        output = new FileOutputStream(imageFile);
        boolean result = scaledBitmap.compress(CompressFormat.JPEG, 90, output);
        if (result) {
            scaledBitmap.recycle();
            scaledBitmap = null;
            return Uri.fromFile(imageFile);
        } else {
            return null;
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }

    return null;
}

From source file:Main.java

public static BitmapDrawable loadAppIcon(String iconPath, Context context) {
    try {//from   www  .ja  v  a 2 s  . co m
        Bitmap bitmap = null;
        Bitmap newBitmap = null;
        if (iconPath != null && !"".equals(iconPath)) {
            bitmap = BitmapFactory.decodeFile(iconPath);
        }

        if (bitmap == null || bitmap.getWidth() <= 0 || bitmap.getHeight() <= 0) {
            Log.e("RecommAppsUtils", iconPath + " is not exist");
            return null;
        }
        int densityDpi = context.getResources().getDisplayMetrics().densityDpi;
        float scale = densityDpi / STANDARD_DENSITYDPI;
        newBitmap = zoomBitmap(bitmap, (int) (APP_ICON_WIDTH * scale), (int) (APP_ICON_HEIGHT * scale));
        // Log.d("RecommAppsUtils", "densityDpi value : " + densityDpi);
        return new BitmapDrawable(context.getResources(), newBitmap);
    } catch (OutOfMemoryError error) {
        error.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static void setFBImage(final String fbid, final Context context, final ImageView v) {
    new AsyncTask<String, Void, Bitmap>() {

        @Override//  w w w.j a va  2s .com
        protected Bitmap doInBackground(String... strings) {
            File img = new File(context.getFilesDir() + "/profile.jpg");
            Bitmap bmp = null;
            if (img.exists()) {
                try {
                    bmp = BitmapFactory.decodeFile(img.getAbsolutePath());
                } catch (Exception E) {
                    E.printStackTrace();
                }
            } else {
                try {
                    URL img_url = new URL("https://graph.facebook.com/" + String.valueOf(fbid)
                            + "/picture?type=large&redirect=true&width=400&height=400");
                    bmp = BitmapFactory.decodeStream(img_url.openConnection().getInputStream());
                    FileOutputStream fOut = new FileOutputStream(img);
                    bmp.compress(Bitmap.CompressFormat.JPEG, 90, fOut);
                    fOut.flush();
                    fOut.close();
                } catch (Exception E) {
                    E.printStackTrace();
                }
            }
            return bmp;
        }

        @Override
        protected void onPostExecute(Bitmap img) {
            if (img != null) {
                v.setImageBitmap(img);
            }
        }
    }.execute();
}

From source file:Main.java

private static Bitmap getImage(String imagePath) {
    final int MAX_TRIALS = 3;
    int trial = 0;
    Bitmap bitmap = null;/*from  w w w . j a  va 2 s . c  o  m*/
    do {
        try {
            bitmap = BitmapFactory.decodeFile(imagePath);
        } catch (OutOfMemoryError e) {
            System.gc();
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e1) {
                throw new RuntimeException("OoM");
            }
        }
    } while (trial++ != MAX_TRIALS);
    if (trial == MAX_TRIALS || bitmap == null) {
        throw new RuntimeException("OoM");
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap originalImg(File file) {
    Bitmap resizeBmp = null;//from  w  ww  . j  a v  a2 s . c o  m
    try {
        resizeBmp = BitmapFactory.decodeFile(file.getPath());
    } catch (Exception e) {
        e.printStackTrace();
    }
    return resizeBmp;
}

From source file:Main.java

public static Bitmap getBitmap(String fileName) {
    Bitmap bitmap = getBitmapFromCache(fileName);
    if (bitmap != null) {
        return bitmap;
    }//from w w  w .j  a va 2 s .com

    // modify the file attribute
    String filePath = getStorageDirectory() + File.separator + fileName;
    File file = new File(filePath);
    long time = new Date().getTime();
    file.setLastModified(time);
    return BitmapFactory.decodeFile(filePath);
}

From source file:Main.java

public static Bitmap loadBitmap(String path) {
    File file = new File(path);
    if (file.exists()) {
        return BitmapFactory.decodeFile(path);
    }//from w  w w.  ja  v  a  2s.  co m
    return null;

}

From source file:Main.java

public static Bitmap createScaledBitmap(String path, float scale, boolean filtering) {
    Bitmap src = BitmapFactory.decodeFile(path);
    int width = (int) (src.getWidth() * scale + 0.5f);
    int height = (int) (src.getHeight() * scale + 0.5f);
    return Bitmap.createScaledBitmap(src, width, height, filtering);
}

From source file:Main.java

/**
 * @param path//  ww w  .  ja  v  a2  s .c  om
 * @return
 */
public static Bitmap getBitMapFromFile(String path) {
    File imgFile = new File(path);
    Bitmap myBitmap = null;
    if (imgFile.exists()) {

        myBitmap = BitmapFactory.decodeFile(imgFile.getAbsolutePath());

    }

    return myBitmap;
}