Android examples for Graphics:Bitmap Resize
get Scaled Bitmap Picture
import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; import android.graphics.Bitmap; import android.graphics.Bitmap.CompressFormat; import android.graphics.BitmapFactory; import android.os.Environment; import android.util.Log; public class Main { private static final String TAG = "CameraUtil"; public static String getScaledPicture(String picturePath, int targetDim) { BitmapFactory.Options opts = new BitmapFactory.Options(); opts.inJustDecodeBounds = true;//from www . j av a 2s.c o m BitmapFactory.decodeFile(picturePath, opts); int photoW = opts.outWidth; int photoH = opts.outHeight; int scaleFactor = Math.max(photoW / targetDim, photoH / targetDim); opts.inJustDecodeBounds = false; opts.inSampleSize = scaleFactor; opts.inPurgeable = true; Bitmap bitmap = BitmapFactory.decodeFile(picturePath, opts); Log.v(TAG, "scaled image size: " + bitmap.getWidth() + ", " + bitmap.getHeight()); return saveImage(bitmap); } public static String saveImage(Bitmap bmp) { try { File fo = getOutputFile(); FileOutputStream fos = new FileOutputStream(fo); try { bmp.compress(CompressFormat.JPEG, 90, fos); return fo.getAbsolutePath(); } finally { fos.close(); } } catch (IOException e) { e.printStackTrace(); } return null; } static File getOutputFile() { File storage = new File(Environment.getExternalStorageDirectory(), "BasinMirror"); storage.mkdirs(); String timestamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(new Date()); return new File(storage, "IMG_" + timestamp + ".jpg"); } }