¡@
2014/10/16 ¤W¤È 08:22:20
android Programming Glossary: redrawhttp://stackoverflow.com/questions/13500452/android-webview-renders-blank-white-view-doesnt-update-on-css-changes-or-html for WebView and found this little tiny comment about force redrawing. There is a static final boolean than when set to true will.. than when set to true will force the view to always redraw. I'm not huge on Java syntax but I don't think you can directly.. Warning This will cause the WebView to continuously be redrawn and will drain the devices battery while the view is displayed..
Google Maps Android api v2 and current location http://stackoverflow.com/questions/13844209/google-maps-android-api-v2-and-current-location think that it's not a good solution delate all marker and redraw it on the maps. There is another best way to get user current..
Android: How to detect when a scroll has ended http://stackoverflow.com/questions/2089552/android-how-to-detect-when-a-scroll-has-ended bitmap on a canvas. When the scroll has ended I want to redraw the bitmap in case the user wants to scroll further ... off..
Android View.onDraw() always has a clean Canvas http://stackoverflow.com/questions/2423327/android-view-ondraw-always-has-a-clean-canvas if there is a way or not. But for my custom views I either redraw everything each time onDraw is called or draw to a bitmap and..
How can I avoid garbage collection delays in Java games? (Best Practices) [closed] http://stackoverflow.com/questions/2484079/how-can-i-avoid-garbage-collection-delays-in-java-games-best-practices Now for strings here's what I'd do at game initialization predraw using drawText ... only once the numbers 0 to 9 that you save.. save in a BufferedImage 10 array. at game initialization predraw once Your score is if the Your score is really needs to be redrawn.. once Your score is if the Your score is really needs to be redrawn because say it's transparent then redraw it from your pre stored..
How does one implement drag and drop for Android marker? http://stackoverflow.com/questions/3897409/how-does-one-implement-drag-and-drop-for-android-marker image is moved faster than forcing the whole overlay to redraw . When the finger is lifted the image is removed but the marker..
Redraw a single row in a listview http://stackoverflow.com/questions/4075975/redraw-a-single-row-in-a-listview a single row in a listview Is it possible to redraw a single row in a listview I have a listview with rows that.. linear layout of a single row. Is there a way to make it redraw that row without calling listview.notifydatasetchanged I've.. on the view inside the linearlayout but it doesn't redraw the row. android listview view redraw share improve this..
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw class that would read the image and convert the colors and redraw the image with the new colors. This creates ANOTHER problem..
Why does ContentResolver.requestSync not trigger a sync? http://stackoverflow.com/questions/5253858/why-does-contentresolver-requestsync-not-trigger-a-sync to update and in turn requery and invalidate and redraw a ListView etc... It's very magical the database changes and..
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView? http://stackoverflow.com/questions/5729377/android-canvas-how-do-i-clear-delete-contents-of-a-canvas-bitmaps-livin SurfaceView lives in a GameThread. Now How do I clear or redraw the WHOLE canvas for a new layout try at the game And how can.. share improve this question How do I clear or redraw the WHOLE canvas for a new layout try at the game Just call.. that just update a part of the screen since Android OS is redrawing every pixel when updating the screen. But when you're not..
How to force an entire layout View refresh? http://stackoverflow.com/questions/5991968/how-to-force-an-entire-layout-view-refresh refresh I want to force the main layout resource view to redraw refresh in say the Activity.onResume method. How can I do this..
adding multiple marker on google map in android http://stackoverflow.com/questions/6295203/adding-multiple-marker-on-google-map-in-android Added symbols will be displayed when map is redrawn so force redraw now mapview.postInvalidate catch Exception.. symbols will be displayed when map is redrawn so force redraw now mapview.postInvalidate catch Exception e e.printStackTrace..
Extending RelativeLayout, and overriding dispatchDraw() to create a zoomable ViewGroup http://stackoverflow.com/questions/6378904/extending-relativelayout-and-overriding-dispatchdraw-to-create-a-zoomable-vie on them. When the scale is 1 those child views are seen to redraw periodically perfectly fine. When the scale is other than 1.. view's invalidate is being called then it's possibly being redrawn individually by the system rather than being passed a Canvas.. But oddly the elements of the child views that are redrawn on the screen are to the correct zoom scale. It's almost as..
Android HTML ImageGetter as AsyncTask http://stackoverflow.com/questions/7424512/android-html-imagegetter-as-asynctask Create my own subclass for Drawable to facilitate redraw I called it URLDrawable Return the URLDrawable in getDrawable.. method of Html.ImageGetter Once onPostExecute is called I redraw the container of the Spanned result Now the code for URLDrawable.. result from the HTTP call urlDrawable.drawable result redraw the image by invalidating the container URLImageParser.this.container.invalidate..
Drawing mirrored bitmaps in android http://stackoverflow.com/questions/7925278/drawing-mirrored-bitmaps-in-android Then for the next frames increment sourceRect.x by 45 then redraw and so forth. However I'm now not sure how to go about making..
Android - using runOnUiThread to do UI changes from a thread http://stackoverflow.com/questions/901239/android-using-runonuithread-to-do-ui-changes-from-a-thread or titleProgress.postInvalidate in there to trigger a redraw. 3 Have you sacraficed a x486 machine on an alter resembling..
http://stackoverflow.com/questions/13500452/android-webview-renders-blank-white-view-doesnt-update-on-css-changes-or-html last but crucial bit I was reading through the source code for WebView and found this little tiny comment about force redrawing. There is a static final boolean than when set to true will force the view to always redraw. I'm not huge on Java syntax.. comment about force redrawing. There is a static final boolean than when set to true will force the view to always redraw. I'm not huge on Java syntax but I don't think you can directly change a static final attribute of a class. What I did was.. protected void onDraw Canvas canvas super.onDraw canvas Warning This will cause the WebView to continuously be redrawn and will drain the devices battery while the view is displayed invalidate Keep in mind I'm using PhoneGap so I had to..
Google Maps Android api v2 and current location http://stackoverflow.com/questions/13844209/google-maps-android-api-v2-and-current-location addition on my map i need to display also POI's marker so i think that it's not a good solution delate all marker and redraw it on the maps. There is another best way to get user current location updating it every moment displaying just one custom..
Android: How to detect when a scroll has ended http://stackoverflow.com/questions/2089552/android-how-to-detect-when-a-scroll-has-ended of GestureDetector.SimpleOnGestureListener to scroll a large bitmap on a canvas. When the scroll has ended I want to redraw the bitmap in case the user wants to scroll further ... off the edge of the bitmap but I can't see how to detect when the..
Android View.onDraw() always has a clean Canvas http://stackoverflow.com/questions/2423327/android-view-ondraw-always-has-a-clean-canvas android ui share improve this question I'm not sure if there is a way or not. But for my custom views I either redraw everything each time onDraw is called or draw to a bitmap and then draw the bitmap to the canvas like you suggested in your..
How can I avoid garbage collection delays in Java games? (Best Practices) [closed] http://stackoverflow.com/questions/2484079/how-can-i-avoid-garbage-collection-delays-in-java-games-best-practices well performing Java games that are out on mobile devices. Now for strings here's what I'd do at game initialization predraw using drawText ... only once the numbers 0 to 9 that you save in a BufferedImage 10 array. at game initialization predraw.. using drawText ... only once the numbers 0 to 9 that you save in a BufferedImage 10 array. at game initialization predraw once Your score is if the Your score is really needs to be redrawn because say it's transparent then redraw it from your.. in a BufferedImage 10 array. at game initialization predraw once Your score is if the Your score is really needs to be redrawn because say it's transparent then redraw it from your pre stored BufferedImage loop to compute the digits of the score..
How does one implement drag and drop for Android marker? http://stackoverflow.com/questions/3897409/how-does-one-implement-drag-and-drop-for-android-marker the map using RelativeLayout . Then on move touch events the image is moved faster than forcing the whole overlay to redraw . When the finger is lifted the image is removed but the marker is put back in the overlay at the new spot. share improve..
Redraw a single row in a listview http://stackoverflow.com/questions/4075975/redraw-a-single-row-in-a-listview a single row in a listview Is it possible to redraw a single row in a listview I have a listview with rows that are linearlayouts. I listen to a preference change and sometimes.. and sometimes I need to change just one view inside the linear layout of a single row. Is there a way to make it redraw that row without calling listview.notifydatasetchanged I've tried calling view.invalidate on the view inside the linearlayout.. listview.notifydatasetchanged I've tried calling view.invalidate on the view inside the linearlayout but it doesn't redraw the row. android listview view redraw share improve this question As Romain Guy explained a while back during the Google..
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw be converted to HSL values. So possibly I could write a class that would read the image and convert the colors and redraw the image with the new colors. This creates ANOTHER problem with StateListDrawables as I'm not sure how I would go about..
Why does ContentResolver.requestSync not trigger a sync? http://stackoverflow.com/questions/5253858/why-does-contentresolver-requestsync-not-trigger-a-sync two functions first it will cause cursors following that contenturi to update and in turn requery and invalidate and redraw a ListView etc... It's very magical the database changes and your ListView just updates automatically. Awesome. Also when..
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView? http://stackoverflow.com/questions/5729377/android-canvas-how-do-i-clear-delete-contents-of-a-canvas-bitmaps-livin i j k i 50 k 7 j 50 k 7 null The canvas is defined in run the SurfaceView lives in a GameThread. Now How do I clear or redraw the WHOLE canvas for a new layout try at the game And how can I update just a part of the screen THANK YOU very much for.. c android android canvas surfaceview share improve this question How do I clear or redraw the WHOLE canvas for a new layout try at the game Just call Canvas.drawColor Color.BLACK or whatever color you want to clear.. I update just a part of the screen There is no such method that just update a part of the screen since Android OS is redrawing every pixel when updating the screen. But when you're not clearing old drawings on your Canvas the old drawings are still..
How to force an entire layout View refresh? http://stackoverflow.com/questions/5991968/how-to-force-an-entire-layout-view-refresh to force an entire layout View refresh I want to force the main layout resource view to redraw refresh in say the Activity.onResume method. How can I do this By main layout view I mean the one 'R.layout.mainscreen'..
adding multiple marker on google map in android http://stackoverflow.com/questions/6295203/adding-multiple-marker-on-google-map-in-android nearatms i mapview.getOverlays .add nearPicOverlay Added symbols will be displayed when map is redrawn so force redraw now mapview.postInvalidate catch Exception e e.printStackTrace @Override protected boolean isRouteDisplayed.. nearatms i mapview.getOverlays .add nearPicOverlay Added symbols will be displayed when map is redrawn so force redraw now mapview.postInvalidate catch Exception e e.printStackTrace @Override protected boolean isRouteDisplayed TODO Auto..
Extending RelativeLayout, and overriding dispatchDraw() to create a zoomable ViewGroup http://stackoverflow.com/questions/6378904/extending-relativelayout-and-overriding-dispatchdraw-to-create-a-zoomable-vie views are animated and hence I periodically call invalidate on them. When the scale is 1 those child views are seen to redraw periodically perfectly fine. When the scale is other than 1 those animated child views are only seen to update in a portion.. My initial thinking was that when an individual child view's invalidate is being called then it's possibly being redrawn individually by the system rather than being passed a Canvas from the parent RelativeLayout's dispatchDraw meaning that.. view ends up refreshing itself without the zoom scale applied. But oddly the elements of the child views that are redrawn on the screen are to the correct zoom scale. It's almost as if the area that the system decides to actually update in the..
Android HTML ImageGetter as AsyncTask http://stackoverflow.com/questions/7424512/android-html-imagegetter-as-asynctask on fetching image on the main thread. The steps that I did basically Create my own subclass for Drawable to facilitate redraw I called it URLDrawable Return the URLDrawable in getDrawable method of Html.ImageGetter Once onPostExecute is called I.. called it URLDrawable Return the URLDrawable in getDrawable method of Html.ImageGetter Once onPostExecute is called I redraw the container of the Spanned result Now the code for URLDrawable is as follow public class URLDrawable extends BitmapDrawable.. change the reference of the current drawable to the result from the HTTP call urlDrawable.drawable result redraw the image by invalidating the container URLImageParser.this.container.invalidate Get the Drawable from URL @param urlString..
Drawing mirrored bitmaps in android http://stackoverflow.com/questions/7925278/drawing-mirrored-bitmaps-in-android spriteSheetBitmap sourceRect new Rect 0 0 45 75 null Then for the next frames increment sourceRect.x by 45 then redraw and so forth. However I'm now not sure how to go about making my sprite walk to the Left. I had initially thought I could..
Android - using runOnUiThread to do UI changes from a thread http://stackoverflow.com/questions/901239/android-using-runonuithread-to-do-ui-changes-from-a-thread titleProgress is volatile. 2 Try throwing a few postInvalidate or titleProgress.postInvalidate in there to trigger a redraw. 3 Have you sacraficed a x486 machine on an alter resembling a giant green robot just kidding Let me know if those first..
|