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2014/10/16 ¤W¤È 08:11:04
android Programming Glossary: canvas.drawrectDraw Rectangle Over ImageView for highlight that can be zoom in-out in android http://stackoverflow.com/questions/10482229/draw-rectangle-over-imageview-for-highlight-that-can-be-zoom-in-out-in-android 1 Log.v Log_tag Redraw with this point canvas.drawRect rect_x1 30 rect_y1 30 rect_x1 30 rect_y1 30 myPaint mCanvasMatrix.. mCanvasMatrix.mapRect orignalRect if orignalRect null canvas.drawRect orignalRect myPaint canvas.drawRect rect_x1 30 rect_y1 30 rect_x1.. if orignalRect null canvas.drawRect orignalRect myPaint canvas.drawRect rect_x1 30 rect_y1 30 rect_x1 30 rect_y1 30 myPaint int canavs_width..
Android Image View Pinch Zooming http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming @Override public void draw Canvas canvas super.draw canvas canvas.drawRect 0 0 getWidth 1 getHeight 1 borderPaint @Override public void.. 1 borderPaint @Override public void onDraw Canvas canvas canvas.drawRect 0 0 getWidth 1 getHeight 1 backgroundPaint if this.getDrawable..
how to get select area which cover by canvas in android http://stackoverflow.com/questions/11840811/how-to-get-select-area-which-cover-by-canvas-in-android return true @Override protected void onDraw Canvas canvas canvas.drawRect left top right bottom mPaint so now i what to do i want crop..
Android - Way to appear bordered text on the TextView? http://stackoverflow.com/questions/2026873/android-way-to-appear-bordered-text-on-the-textview paint.setStrokeWidth 3 getLocalVisibleRect rect canvas.drawRect rect paint Than use it in layout xml xml version 1.0 encoding..
Android View.onDraw() always has a clean Canvas http://stackoverflow.com/questions/2423327/android-view-ondraw-always-has-a-clean-canvas if needed maybe only the parts of animation that changed canvas.drawRect 0 0 10 10 paint draw the bitmap to the real canvas c c.drawBitmap..
Extended SurfaceView's onDraw() method never called http://stackoverflow.com/questions/2687015/extended-surfaceviews-ondraw-method-never-called 2 @Override protected void onDraw Canvas canvas canvas.drawRect new Rect 10 10 200 200 rectanglePaint Log.w this.getClass .getName..
Custom ImageView with drop shadow http://stackoverflow.com/questions/3693234/custom-imageview-with-drop-shadow void onDraw Canvas canvas Rect r mRect Paint paint mPaint canvas.drawRect r paint super.onDraw canvas @Override protected void onMeasure.. 5.5f 6.0f 6.0f Color.BLACK canvas.drawColor Color.GRAY canvas.drawRect 50 50 50 bmp.getWidth 50 bmp.getHeight paint canvas.drawBitmap..
Android Gauge Animation Question http://stackoverflow.com/questions/6156674/android-gauge-animation-question protected void onDraw Canvas canvas super.onDraw canvas canvas.drawRect 0 0 width width paint canvas.drawPath p paint share improve..
How can I manipulate the camera preview? http://stackoverflow.com/questions/6478375/how-can-i-manipulate-the-camera-preview @Override protected void onDraw Canvas canvas canvas.drawRect new Rect int Math.random 100 int Math.random 100 200 200 rectanglePaint..
How do I draw an arrowhead (in Android)? http://stackoverflow.com/questions/6713757/how-do-i-draw-an-arrowhead-in-android getResources .getColor R.color.background canvas.drawRect 0 0 getWidth getHeight background Set vars for Arrow Paint Paint..
http://stackoverflow.com/questions/7344497/android-canvas-draw-rectangle canvas paint.setColor Color.BLACK paint.setStrokeWidth 3 canvas.drawRect 30 30 80 80 paint paint.setStrokeWidth 0 paint.setColor Color.CYAN.. 80 paint paint.setStrokeWidth 0 paint.setColor Color.CYAN canvas.drawRect 33 60 77 77 paint paint.setColor Color.YELLOW canvas.drawRect.. 33 60 77 77 paint paint.setColor Color.YELLOW canvas.drawRect 33 33 77 60 paint The activity to start it StartDraw.java import..
Android Paint: .measureText() vs .getTextBounds() http://stackoverflow.com/questions/7549182/android-paint-measuretext-vs-gettextbounds canvas.drawColor 0xff000080 p.setColor 0xffff0000 canvas.drawRect bounds p p.setColor 0xff00ff00 canvas.drawText s 0 bounds.bottom..
Gradient appears banded in a SurfaceView, but looks very smooth in a normal View http://stackoverflow.com/questions/7774867/gradient-appears-banded-in-a-surfaceview-but-looks-very-smooth-in-a-normal-view null Shader.TileMode.CLAMP paint.setShader shader canvas.drawRect 0 0 getWidth getHeight paint Here is the screenshot showing..
Draw Rectangle Over ImageView for highlight that can be zoom in-out in android http://stackoverflow.com/questions/10482229/draw-rectangle-over-imageview-for-highlight-that-can-be-zoom-in-out-in-android Color.GREEN myPaint.setStyle Paint.Style.STROKE myPaint.setStrokeWidth 1 Log.v Log_tag Redraw with this point canvas.drawRect rect_x1 30 rect_y1 30 rect_x1 30 rect_y1 30 myPaint mCanvasMatrix canvas.getMatrix mImageCanvas canvas canvas.setMatrix.. 1 if mCanvasMatrix null if orignalRect null mCanvasMatrix.mapRect orignalRect if orignalRect null canvas.drawRect orignalRect myPaint canvas.drawRect rect_x1 30 rect_y1 30 rect_x1 30 rect_y1 30 myPaint int canavs_width canvas.getWidth.. null if orignalRect null mCanvasMatrix.mapRect orignalRect if orignalRect null canvas.drawRect orignalRect myPaint canvas.drawRect rect_x1 30 rect_y1 30 rect_x1 30 rect_y1 30 myPaint int canavs_width canvas.getWidth int canavs_height canvas.getHeight..
Android Image View Pinch Zooming http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming Javadoc @see android.view.View#draw android.graphics.Canvas @Override public void draw Canvas canvas super.draw canvas canvas.drawRect 0 0 getWidth 1 getHeight 1 borderPaint @Override public void onDraw Canvas canvas canvas.drawRect 0 0 getWidth 1 getHeight.. super.draw canvas canvas.drawRect 0 0 getWidth 1 getHeight 1 borderPaint @Override public void onDraw Canvas canvas canvas.drawRect 0 0 getWidth 1 getHeight 1 backgroundPaint if this.getDrawable null canvas.save canvas.translate mPosX mPosY Matrix matrix..
how to get select area which cover by canvas in android http://stackoverflow.com/questions/11840811/how-to-get-select-area-which-cover-by-canvas-in-android Display Rect Width rect.toString break default break return true @Override protected void onDraw Canvas canvas canvas.drawRect left top right bottom mPaint so now i what to do i want crop the covered area by canvas. Thank in advance. when i getClipBounds..
Android - Way to appear bordered text on the TextView? http://stackoverflow.com/questions/2026873/android-way-to-appear-bordered-text-on-the-textview new Paint paint.setStyle Paint.Style.STROKE paint.setColor Color.WHITE paint.setStrokeWidth 3 getLocalVisibleRect rect canvas.drawRect rect paint Than use it in layout xml xml version 1.0 encoding utf 8 LinearLayout xmlns android http schemas.android.com..
Android View.onDraw() always has a clean Canvas http://stackoverflow.com/questions/2423327/android-view-ondraw-always-has-a-clean-canvas public void onDraw Canvas c draw onto the canvas if needed maybe only the parts of animation that changed canvas.drawRect 0 0 10 10 paint draw the bitmap to the real canvas c c.drawBitmap bitmap new Rect 0 0 bitmap.getWidth bitmap.getHeight ..
Extended SurfaceView's onDraw() method never called http://stackoverflow.com/questions/2687015/extended-surfaceviews-ondraw-method-never-called rectanglePaint.setStyle Paint.Style.FILL rectanglePaint.setStrokeWidth 2 @Override protected void onDraw Canvas canvas canvas.drawRect new Rect 10 10 200 200 rectanglePaint Log.w this.getClass .getName On Draw Called public class CameraPreview extends Activity..
Custom ImageView with drop shadow http://stackoverflow.com/questions/3693234/custom-imageview-with-drop-shadow 2f 1f 1f Color.BLACK @Override protected void onDraw Canvas canvas Rect r mRect Paint paint mPaint canvas.drawRect r paint super.onDraw canvas @Override protected void onMeasure int w int h super.onMeasure w h int mH mW mW getSuggestedMinimumWidth.. paint new Paint paint.setAntiAlias true paint.setShadowLayer 5.5f 6.0f 6.0f Color.BLACK canvas.drawColor Color.GRAY canvas.drawRect 50 50 50 bmp.getWidth 50 bmp.getHeight paint canvas.drawBitmap bmp 50 50 null android override imageview dropshadow ..
Android Gauge Animation Question http://stackoverflow.com/questions/6156674/android-gauge-animation-question
How can I manipulate the camera preview? http://stackoverflow.com/questions/6478375/how-can-i-manipulate-the-camera-preview this mHolder.setType SurfaceHolder.SURFACE_TYPE_NORMAL @Override protected void onDraw Canvas canvas canvas.drawRect new Rect int Math.random 100 int Math.random 100 200 200 rectanglePaint Log.w this.getClass .getName On Draw Called public..
How do I draw an arrowhead (in Android)? http://stackoverflow.com/questions/6713757/how-do-i-draw-an-arrowhead-in-android canvas Paint Background Paint background new Paint background.setColor getResources .getColor R.color.background canvas.drawRect 0 0 getWidth getHeight background Set vars for Arrow Paint Paint paint new Paint paint.setColor getResources .getColor R.color.arrowColor..
http://stackoverflow.com/questions/7344497/android-canvas-draw-rectangle context super context @Override public void onDraw Canvas canvas paint.setColor Color.BLACK paint.setStrokeWidth 3 canvas.drawRect 30 30 80 80 paint paint.setStrokeWidth 0 paint.setColor Color.CYAN canvas.drawRect 33 60 77 77 paint paint.setColor Color.YELLOW.. Color.BLACK paint.setStrokeWidth 3 canvas.drawRect 30 30 80 80 paint paint.setStrokeWidth 0 paint.setColor Color.CYAN canvas.drawRect 33 60 77 77 paint paint.setColor Color.YELLOW canvas.drawRect 33 33 77 60 paint The activity to start it StartDraw.java.. paint paint.setStrokeWidth 0 paint.setColor Color.CYAN canvas.drawRect 33 60 77 77 paint paint.setColor Color.YELLOW canvas.drawRect 33 33 77 60 paint The activity to start it StartDraw.java import android.app.Activity import android.graphics.Color import..
Android Paint: .measureText() vs .getTextBounds() http://stackoverflow.com/questions/7549182/android-paint-measuretext-vs-gettextbounds
Gradient appears banded in a SurfaceView, but looks very smooth in a normal View http://stackoverflow.com/questions/7774867/gradient-appears-banded-in-a-surfaceview-but-looks-very-smooth-in-a-normal-view shader new LinearGradient 0 0 0 200 new int 0xff150d2f 0xff432b96 null Shader.TileMode.CLAMP paint.setShader shader canvas.drawRect 0 0 getWidth getHeight paint Here is the screenshot showing the SurfaceView above and the normal View beneath. I realise..
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