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- @Override
- protected void onDestroy() {
- super.onDestroy();
- unbindDrawables(mView);
- System.gc();
- }
- private void unbindDrawables(View view) {
- if (view.getBackground() != null) {
- view.getBackground().setCallback(null);
- }
- if (view instanceof ViewGroup) {
- for (int i = 0; i < ((ViewGroup) view).getChildCount(); i++) {
- unbindDrawables(((ViewGroup) view).getChildAt(i));
- }
- ((ViewGroup) view).removeAllViews();
- }
- }
- BitmapDrawable bitmapDrawable = (BitmapDrawable) ctx.getResources().getDrawable(R.drawable.bg2);
- BitmapFactory.Options bitopt = new BitmapFactory.Options();
- bitopt.inSampleSize = 10;
- plot.setBackgroundImage(bitmapDrawable); //plot is PiePlot object
- public static Bitmap decodeFile(File f,int WIDTH,int HIGHT){
- try {
- //Decode image size
- BitmapFactory.Options o = new BitmapFactory.Options();
- o.inJustDecodeBounds = true;
- BitmapFactory.decodeStream(new FileInputStream(f),null,o);
- //The new size we want to scale to
- final int REQUIRED_WIDTH=WIDTH;
- final int REQUIRED_HIGHT=HIGHT;
- //Find the correct scale value. It should be the power of 2.
- int scale=1;
- while(o.outWidth/scale/2>=REQUIRED_WIDTH && o.outHeight/scale/2>=REQUIRED_HIGHT)
- scale*=2;
- //Decode with inSampleSize
- BitmapFactory.Options o2 = new BitmapFactory.Options();
- o2.inSampleSize=scale;
- return BitmapFactory.decodeStream(new FileInputStream(f), null, o2);
- } catch (FileNotFoundException e) {}
- return null;
- }
- public static Bitmap getImage(byte[] image) {
- BitmapFactory.Options config = new BitmapFactory.Options();
- config.inPreferredConfig = Bitmap.Config.RGB_565;
- config.inSampleSize = 4;
- return BitmapFactory.decodeByteArray(image, 0, image.length,config);
- }
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