Move ImageView around inside RelativeLayout

I need to move an ImageView (or anything else, for that matter) around inside a RelativeLa开发者_运维百科yout. Does any one know the proper way to do this?

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Makesure ImageView's layout_height and layout_width is set to fill_parent. Then do:

To move a view, use Matrix. It is very handy.

Matrix matrix = new Matrix();

matrix.reset();

matrix.postTranslate(x, y);

imageview.setScaleType(ScaleType.MATRIX);
imageview.setImageMatrix(matrix);

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this I found worked:

imageview.layout(l,t,r,b);

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mImageView.scrollBy(xOffset, yOffset);

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It is very easy. You can implement onTouchListener event of any control you want and set its x, y position like make a new LayoutParams set its x, y and assign to view as view.setLayoutParam(layoutParams); it will drag the View.