Android examples for Graphics:Bitmap File
load Bitmap by max side length
import android.app.Activity; import android.content.res.AssetManager; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Matrix; import android.media.ExifInterface; import java.io.*; public class Main{ public static Bitmap loadBitmap(String path, int maxSideLen) { if (null == path) { return null; }//from www .ja v a 2s . co m BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeFile(path, options); options.inJustDecodeBounds = false; options.inSampleSize = Math.max(options.outWidth / maxSideLen, options.outHeight / maxSideLen); if (options.inSampleSize < 1) { options.inSampleSize = 1; } options.inPreferredConfig = Bitmap.Config.RGB_565; try { Bitmap bitmap = BitmapFactory.decodeFile(path, options); if (bitmap != bitmap) { bitmap.recycle(); } return bitmap; } catch (OutOfMemoryError e) { Debug.debug("higo", e.toString()); } return null; } public static Bitmap loadBitmap(String path) { if (null == path) { return null; } BitmapFactory.Options options = new BitmapFactory.Options(); options.inSampleSize = 1; options.inPreferredConfig = Bitmap.Config.ARGB_8888; try { Bitmap bitmap = BitmapFactory.decodeFile(path, options); return bitmap; } catch (OutOfMemoryError e) { Debug.debug("higo", e.toString()); } return null; } }