public void scaleView() {
// instantiate the views
View top_view = findViewById(R.id.topView);
View bottom_view = findViewById(R.id.bottomView);
LinearLayout footer = (LinearLayout) findViewById(R.id.llFooter);
LinearLayout crop_frame = (LinearLayout) findViewById(R.id.llCropFrame);
Display display = getWindowManager().getDefaultDisplay();
int width = display.getWidth();
int height = display.getHeight();
// 90% of width
crop_container_size = (int) ((float) width * (1f - (10f / 100f)));
// 10% margins
float margin = ((float) width * (1f - (90f / 100f)));
// Parameters for white crop border
LinearLayout.LayoutParams par =
new LinearLayout.LayoutParams(crop_container_size, crop_container_size);
par.gravity = Gravity.CENTER_HORIZONTAL | Gravity.CENTER_VERTICAL;
par.setMargins((int) (margin / 2f), 0, (int) (margin / 2f), 0);
crop_frame.setLayoutParams(par);
// Margins for other transparent views
float top_view_height =
((float) (height - crop_container_size - footer.getHeight())) / (float) 2;
top_view.setLayoutParams(
new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, (int) top_view_height));
bottom_view.setLayoutParams(
new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, (int) top_view_height));
// Image container
RelativeLayout.LayoutParams params =
new RelativeLayout.LayoutParams(crop_container_size, crop_container_size);
params.setMargins((int) (margin / 2f), (int) top_view_height, (int) (margin / 2f), 0);
mImageView.setLayoutParams(params);
mImageView.setImageBitmap(mBitmap);
mImageView.setMaxZoom(4f);
}
