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2014/10/16 ¤W¤È 08:26:26
android Programming Glossary: this.getwidthFitting 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..
How should I give images rounded corners in Android? http://stackoverflow.com/questions/1705239/how-should-i-give-images-rounded-corners-in-android new Path float radius 10.0f float padding radius 2 int w this.getWidth int h this.getHeight clipPath.addRoundRect new RectF padding..
http://stackoverflow.com/questions/1830391/rotate-mapview-in-android Canvas canvas canvas.save if compass final float w this.getWidth final float h this.getHeight final float scaleFactor float..
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 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...
How to adjust text font size to fit textview http://stackoverflow.com/questions/2617266/how-to-adjust-text-font-size-to-fit-textview final int before final int after refitText text.toString this.getWidth @Override protected void onSizeChanged int w int h int oldw..
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 void onDraw Canvas canvas super.onDraw canvas int test this.getWidth int test2 this.getHeight @Override protected void onSizeChanged..
Android: how to draw a border to a LinearLayout http://stackoverflow.com/questions/8203606/android-how-to-draw-a-border-to-a-linearlayout android.graphics.Color.RED canvas.drawLine 0 0 this.getWidth 1 0 paint canvas.drawLine 0 0 0 this.getHeight 1 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 paint canvas.drawLine this.getWidth 1 0 this.getWidth 1 this.getHeight 1 paint canvas.drawLine 0 this.getHeight 1..
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 frameParams 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..
How should I give images rounded corners in Android? http://stackoverflow.com/questions/1705239/how-should-i-give-images-rounded-corners-in-android clipPath protected 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..
http://stackoverflow.com/questions/1830391/rotate-mapview-in-android degrees that the view should 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..
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 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 the old matrix. canvas.restore..
How to adjust text font size to fit textview http://stackoverflow.com/questions/2617266/how-to-adjust-text-font-size-to-fit-textview void onTextChanged final CharSequence text final int start final int before final int after refitText text.toString this.getWidth @Override protected void onSizeChanged int w int h int oldw int oldh if w oldw refitText this.getText .toString w Attributes..
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 int defStyle super context 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..
Android: how to draw a border to a LinearLayout http://stackoverflow.com/questions/8203606/android-how-to-draw-a-border-to-a-linearlayout Canvas canvas super.onDraw canvas Paint paint 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.. 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 this.getHeight 1 paint .. 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 this.getHeight 1 paint And this is the main..
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