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Postsdbo
PO
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  1. PO
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    copied!<p>I got a solution for this. But its not seems to be perfect one. Just add the methods given below after the switch cases and just before the <code>view.setImageMatrix(matrix);</code> here is the methods:</p> <pre><code>private void limitZoom(Matrix m) { float[] values = new float[9]; m.getValues(values); float scaleX = values[Matrix.MSCALE_X]; float scaleY = values[Matrix.MSCALE_Y]; if(scaleX &gt; MAX_ZOOM) { scaleX = MAX_ZOOM; } else if(scaleX &lt; MIN_ZOOM) { scaleX = MIN_ZOOM; } if(scaleY &gt; MAX_ZOOM) { scaleY = MAX_ZOOM; } else if(scaleY &lt; MIN_ZOOM) { scaleY = MIN_ZOOM; } values[Matrix.MSCALE_X] = scaleX; values[Matrix.MSCALE_Y] = scaleY; m.setValues(values); } private void limitDrag(Matrix m) { float[] values = new float[9]; m.getValues(values); float transX = values[Matrix.MTRANS_X]; float transY = values[Matrix.MTRANS_Y]; float scaleX = values[Matrix.MSCALE_X]; float scaleY = values[Matrix.MSCALE_Y]; ImageView iv = (ImageView)findViewById(R.id.map); Rect bounds = iv.getDrawable().getBounds(); int viewWidth = getResources().getDisplayMetrics().widthPixels; int viewHeight = getResources().getDisplayMetrics().heightPixels; int width = bounds.right - bounds.left; int height = bounds.bottom - bounds.top; float minX = (-width + 20) * scaleX; float minY = (-height + 20) * scaleY; if(transX &gt; (viewWidth - 20)) { transX = viewWidth - 20; } else if(transX &lt; minX) { transX = minX; } if(transY &gt; (viewHeight - 80)) { transY = viewHeight - 80; } else if(transY &lt; minY) { transY = minY; } values[Matrix.MTRANS_X] = transX; values[Matrix.MTRANS_Y] = transY; m.setValues(values); } </code></pre> <p>Is there is any other solution better than this one?</p>
 

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