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2014/10/16 ¤W¤È 08:11:04
android Programming Glossary: canvas.drawcolorAndroid FingerPaint Undo/Redo implementation http://stackoverflow.com/questions/10165965/android-fingerpaint-undo-redo-implementation Color.WHITE @Override protected void onDraw Canvas canvas canvas.drawColor Color.WHITE canvas.drawBitmap mBitmap 0 0 mBitmapPaint canvas.drawPath..
How to make view resizable on touch event http://stackoverflow.com/questions/10188478/how-to-make-view-resizable-on-touch-event the balls @Override protected void onDraw Canvas canvas canvas.drawColor 0xFFCCCCCC if you want another background color paint.setAntiAlias..
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 getResources R.drawable.rect_image canvas.drawColor Color.BLACK canvas.drawBitmap _scratch 10 10 null Drawable d..
Android set image as wallpaper http://stackoverflow.com/questions/11938182/android-set-image-as-wallpaper drawable then we will set white color as wallpaper canvas.drawColor Color.WHITE view.draw canvas return returnedBitmap public void..
Custom ImageView with drop shadow http://stackoverflow.com/questions/3693234/custom-imageview-with-drop-shadow 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..
Threading UI updates in Android http://stackoverflow.com/questions/3745405/threading-ui-updates-in-android void onDraw Canvas canvas float x canvas.getWidth 2 canvas.drawColor Color.WHITE canvas.drawCircle x y 30 paint if System.currentTimeMillis.. void onDraw Canvas canvas float x canvas.getWidth 2 canvas.drawColor Color.WHITE canvas.drawCircle x y 30 paint if System.currentTimeMillis..
Touch and drag image in android http://stackoverflow.com/questions/4255859/touch-and-drag-image-in-android getResources R.drawable.ball_green canvas.drawColor Color.BLUE To make background canvas.drawBitmap bitmap x bitmap.getWidth..
Screen blinking when using a webview with flash http://stackoverflow.com/questions/5095977/screen-blinking-when-using-a-webview-with-flash height Canvas canvas holder.lockCanvas if canvas null canvas.drawColor Color.WHITE holder.unlockCanvasAndPost canvas @Override public..
Android crash when app is closed and reopened http://stackoverflow.com/questions/5318847/android-crash-when-app-is-closed-and-reopened public void onDraw Canvas canvas Clear the background canvas.drawColor Color.WHITE @Override public void surfaceChanged SurfaceHolder..
How to Capture soft keyboard input in a View? http://stackoverflow.com/questions/5419766/how-to-capture-soft-keyboard-input-in-a-view public void onDraw Canvas canvas super.onDraw canvas canvas.drawColor R.color.grid_bg . . alot more drawing code... . The keyboard..
Capturing Sound for Analysis and Visualizing Frequencies in Android http://stackoverflow.com/questions/5511250/capturing-sound-for-analysis-and-visualizing-frequencies-in-android protected void onProgressUpdate double ... toTransform canvas.drawColor Color.BLACK for int i 0 i toTransform 0 .length i int x i int.. protected void onProgressUpdate double ... toTransform canvas.drawColor Color.BLACK for int i 0 i toTransform 0 .length i int x i ..
Convert view to bitmap on Android http://stackoverflow.com/questions/5536066/convert-view-to-bitmap-on-android drawable then draw white background on the canvas canvas.drawColor Color.WHITE draw the view on the canvas view.draw canvas return..
http://stackoverflow.com/questions/6041190/cardio-graph-for-android the scene and build the line path adapt this to your needs canvas.drawColor Color.WHITE Path path new Path path.moveTo 0 yourValueAt 0 for..
Android transparent canvas (surfaceview) http://stackoverflow.com/questions/7293961/android-transparent-canvas-surfaceview PixelFormat.TRANSPARENT At the beginning of drawing canvas.drawColor Color.TRANSPARENT PorterDuff.Mode.CLEAR share improve this..
Android Paint: .measureText() vs .getTextBounds() http://stackoverflow.com/questions/7549182/android-paint-measuretext-vs-gettextbounds bounds.offset 0 bounds.top p.setStyle Style.STROKE canvas.drawColor 0xff000080 p.setColor 0xffff0000 canvas.drawRect bounds p p.setColor..
add image to surface view in android http://stackoverflow.com/questions/7740687/add-image-to-surface-view-in-android BitmapFactory.decodeResource getResources R.drawable.icon canvas.drawColor Color.BLACK canvas.drawBitmap myicon 0 0 p canvas.drawBitmap.. BitmapFactory.decodeResource getResources R.drawable.icon canvas.drawColor Color.BLACK canvas.drawBitmap _scratch 10 10 null public void..
Android FingerPaint Undo/Redo implementation http://stackoverflow.com/questions/10165965/android-fingerpaint-undo-redo-implementation mCanvas new Canvas mBitmap mCanvas.drawColor Color.WHITE @Override protected void onDraw Canvas canvas canvas.drawColor Color.WHITE canvas.drawBitmap mBitmap 0 0 mBitmapPaint canvas.drawPath mPath mPaint private float mX mY private static final..
How to make view resizable on touch event http://stackoverflow.com/questions/10188478/how-to-make-view-resizable-on-touch-event context R.drawable.bol_geel point4 the method that draws the balls @Override protected void onDraw Canvas canvas canvas.drawColor 0xFFCCCCCC if you want another background color paint.setAntiAlias true paint.setDither true paint.setColor Color.BLACK..
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 canvas Log.v Log_tag Draw Image View Bitmap _scratch BitmapFactory.decodeResource getResources R.drawable.rect_image canvas.drawColor Color.BLACK canvas.drawBitmap _scratch 10 10 null Drawable d getDrawable Bitmap bitmap BitmapDrawable d .getBitmap Bitmap..
Android set image as wallpaper http://stackoverflow.com/questions/11938182/android-set-image-as-wallpaper null bgDrawable.draw canvas else if we unable to get background drawable then we will set white color as wallpaper canvas.drawColor Color.WHITE view.draw canvas return returnedBitmap public void setWall int i WallpaperManager myWallpaperManager WallpaperManager.getInstance..
Custom ImageView with drop shadow http://stackoverflow.com/questions/3693234/custom-imageview-with-drop-shadow R.drawable.omen Paint 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..
Threading UI updates in Android http://stackoverflow.com/questions/3745405/threading-ui-updates-in-android SimpleMotion Context context super context @Override protected void onDraw Canvas canvas float x canvas.getWidth 2 canvas.drawColor Color.WHITE canvas.drawCircle x y 30 paint if System.currentTimeMillis now delay y invalidate It works fine but everybody.. e e.printStackTrace .start @Override protected void onDraw Canvas canvas float x canvas.getWidth 2 canvas.drawColor Color.WHITE canvas.drawCircle x y 30 paint if System.currentTimeMillis now delay y invalidate With your old code of having..
Touch and drag image in android http://stackoverflow.com/questions/4255859/touch-and-drag-image-in-android void onDraw Canvas canvas super.onDraw canvas bitmap BitmapFactory.decodeResource getResources R.drawable.ball_green canvas.drawColor Color.BLUE To make background canvas.drawBitmap bitmap x bitmap.getWidth 2 y bitmap.getHeight 2 null @Override public boolean..
Screen blinking when using a webview with flash http://stackoverflow.com/questions/5095977/screen-blinking-when-using-a-webview-with-flash surfaceChanged SurfaceHolder holder int format int width int height Canvas canvas holder.lockCanvas if canvas null canvas.drawColor Color.WHITE holder.unlockCanvasAndPost canvas @Override public void surfaceCreated SurfaceHolder holder @Override public..
Android crash when app is closed and reopened http://stackoverflow.com/questions/5318847/android-crash-when-app-is-closed-and-reopened new TutorialThread holder this setFocusable true @Override public void onDraw Canvas canvas Clear the background canvas.drawColor Color.WHITE @Override public void surfaceChanged SurfaceHolder holder int format int width int height resize canvas here..
How to Capture soft keyboard input in a View? http://stackoverflow.com/questions/5419766/how-to-capture-soft-keyboard-input-in-a-view Log.d TAG onCheckIsTextEditor return true @Override public void onDraw Canvas canvas super.onDraw canvas canvas.drawColor R.color.grid_bg . . alot more drawing code... . The keyboard shows but my onKeyListener only fires when I press the 'Next'..
Capturing Sound for Analysis and Visualizing Frequencies in Android http://stackoverflow.com/questions/5511250/capturing-sound-for-analysis-and-visualizing-frequencies-in-android Throwable t Log.e AudioRecord Recording Failed return null protected void onProgressUpdate double ... toTransform canvas.drawColor Color.BLACK for int i 0 i toTransform 0 .length i int x i int downy int 100 toTransform 0 i 10 int upy 100 canvas.drawLine.. Log.e AudioRecord Recording Failed return null @Override protected void onProgressUpdate double ... toTransform canvas.drawColor Color.BLACK for int i 0 i toTransform 0 .length i int x i int downy int 100 toTransform 0 i 10 int upy 100 canvas.drawLine..
Convert view to bitmap on Android http://stackoverflow.com/questions/5536066/convert-view-to-bitmap-on-android on the canvas bgDrawable.draw canvas else does not have background drawable then draw white background on the canvas canvas.drawColor Color.WHITE draw the view on the canvas view.draw canvas return the bitmap return returnedBitmap Enjoy share improve this..
http://stackoverflow.com/questions/6041190/cardio-graph-for-android to what you want When you need to update the graphic clear the scene and build the line path adapt this to your needs canvas.drawColor Color.WHITE Path path new Path path.moveTo 0 yourValueAt 0 for int sec 1 sec 30 sec path.lineTo sec yourValueAt sec canvas.drawPath..
Android transparent canvas (surfaceview) http://stackoverflow.com/questions/7293961/android-transparent-canvas-surfaceview
Android Paint: .measureText() vs .getTextBounds() http://stackoverflow.com/questions/7549182/android-paint-measuretext-vs-gettextbounds measureText f getTextBounds d s mt bw bounds.toShortString bounds.offset 0 bounds.top p.setStyle Style.STROKE canvas.drawColor 0xff000080 p.setColor 0xffff0000 canvas.drawRect bounds p p.setColor 0xff00ff00 canvas.drawText s 0 bounds.bottom p share..
add image to surface view in android http://stackoverflow.com/questions/7740687/add-image-to-surface-view-in-android @Override protected void onDraw Canvas canvas Bitmap myicon BitmapFactory.decodeResource getResources R.drawable.icon canvas.drawColor Color.BLACK canvas.drawBitmap myicon 0 0 p canvas.drawBitmap myicon 0 0 null canvas.drawBitmap myicon 25 25 null public.. onDraw Canvas canvas super.onDraw canvas Bitmap _scratch BitmapFactory.decodeResource getResources R.drawable.icon canvas.drawColor Color.BLACK canvas.drawBitmap _scratch 10 10 null public void surfaceChanged SurfaceHolder arg0 int arg1 int arg2 int arg3..
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