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2014/10/16 ¤W¤È 08:26:23
android Programming Glossary: this.getheightFitting a camera preview to a SurfaceView larger than the display http://stackoverflow.com/questions/11321251/fitting-a-camera-preview-to-a-surfaceview-larger-than-the-display Log.d surfChange W H of CamPreview child is this.getWidth this.getHeight while parent is Log.d surfChange W H of holder child is mHolder.getSurfaceFrame..
How should I give images rounded corners in Android? http://stackoverflow.com/questions/1705239/how-should-i-give-images-rounded-corners-in-android 10.0f float padding radius 2 int w this.getWidth int h this.getHeight clipPath.addRoundRect new RectF padding padding w padding h..
http://stackoverflow.com/questions/1830391/rotate-mapview-in-android if compass final float w this.getWidth final float h this.getHeight final float scaleFactor float Math.sqrt h h w w Math.min w..
How can you display upside down text with a textview in Android? http://stackoverflow.com/questions/2558257/how-can-you-display-upside-down-text-with-a-textview-in-android it rotates around the origin and that's bad. float py this.getHeight 2.0f float px this.getWidth 2.0f canvas.rotate 180 px py draw..
Trying to get the display size of an image in an ImageView http://stackoverflow.com/questions/3855218/trying-to-get-the-display-size-of-an-image-in-an-imageview super.onDraw canvas int test this.getWidth int test2 this.getHeight @Override protected void onSizeChanged int w int h int oldw..
Android: how to draw a border to a LinearLayout http://stackoverflow.com/questions/8203606/android-how-to-draw-a-border-to-a-linearlayout 0 0 this.getWidth 1 0 paint canvas.drawLine 0 0 0 this.getHeight 1 paint canvas.drawLine this.getWidth 1 0 this.getWidth 1 this.getHeight.. 1 paint canvas.drawLine this.getWidth 1 0 this.getWidth 1 this.getHeight 1 paint canvas.drawLine 0 this.getHeight 1 this.getWidth 1 .. this.getWidth 1 this.getHeight 1 paint canvas.drawLine 0 this.getHeight 1 this.getWidth 1 this.getHeight 1 paint And this is the main..
Fitting a camera preview to a SurfaceView larger than the display http://stackoverflow.com/questions/11321251/fitting-a-camera-preview-to-a-surfaceview-larger-than-the-display try mCamera.setPreviewDisplay mHolder mCamera.startPreview Log.d surfChange W H of CamPreview child is this.getWidth this.getHeight while parent is Log.d surfChange W H of holder child is mHolder.getSurfaceFrame .width mHolder.getSurfaceFrame .height..
How should I give images rounded corners in Android? http://stackoverflow.com/questions/1705239/how-should-i-give-images-rounded-corners-in-android void onDraw Canvas canvas Path clipPath new Path float radius 10.0f float padding radius 2 int w this.getWidth int h this.getHeight clipPath.addRoundRect new RectF padding padding w padding h padding radius radius Path.Direction.CW canvas.clipPath clipPath..
http://stackoverflow.com/questions/1830391/rotate-mapview-in-android rotate protected void dispatchDraw Canvas canvas canvas.save if compass final float w this.getWidth final float h this.getHeight final float scaleFactor float Math.sqrt h h w w Math.min w h final float centerX w 2.0f final float centerY h 2.0f canvas.rotate..
How can you display upside down text with a textview in Android? http://stackoverflow.com/questions/2558257/how-can-you-display-upside-down-text-with-a-textview-in-android matrix We need to rotate around the center of our text Otherwise it rotates around the origin and that's bad. float py this.getHeight 2.0f float px this.getWidth 2.0f canvas.rotate 180 px py draw the text with the matrix applied. super.onDraw canvas restore..
Trying to get the display size of an image in an ImageView http://stackoverflow.com/questions/3855218/trying-to-get-the-display-size-of-an-image-in-an-imageview attrs defStyle @Override protected void onDraw Canvas canvas super.onDraw canvas int test this.getWidth int test2 this.getHeight @Override protected void onSizeChanged int w int h int oldw int oldh super.onSizeChanged w h oldw oldh Do you have any..
Android: how to draw a border to a LinearLayout http://stackoverflow.com/questions/8203606/android-how-to-draw-a-border-to-a-linearlayout new Paint paint.setColor android.graphics.Color.RED canvas.drawLine 0 0 this.getWidth 1 0 paint canvas.drawLine 0 0 0 this.getHeight 1 paint canvas.drawLine this.getWidth 1 0 this.getWidth 1 this.getHeight 1 paint canvas.drawLine 0 this.getHeight 1 this.getWidth.. 1 0 paint canvas.drawLine 0 0 0 this.getHeight 1 paint canvas.drawLine this.getWidth 1 0 this.getWidth 1 this.getHeight 1 paint canvas.drawLine 0 this.getHeight 1 this.getWidth 1 this.getHeight 1 paint And this is the main Activity. public.. 0 0 this.getHeight 1 paint canvas.drawLine this.getWidth 1 0 this.getWidth 1 this.getHeight 1 paint canvas.drawLine 0 this.getHeight 1 this.getWidth 1 this.getHeight 1 paint And this is the main Activity. public void onCreate Bundle savedInstanceState..
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