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2014/10/16 ¤W¤È 08:13:10
android Programming Glossary: eraseAndroid Paint PorterDuff.Mode.CLEAR http://stackoverflow.com/questions/10494442/android-paint-porterduff-mode-clear . When drawing and Canvas and if I try to erase something it's working fine. But if I try to save my image as.. But if I try to save my image as PNG file the strokes of eraser are coloured black and I'm not sure why is this happening... you add the Bitmap. Because you used Porter Duff Clear the erased part of the bitmap contains actually transparent black pixels..
Wipe data/Factory reset through ADB [closed] http://stackoverflow.com/questions/10817721/wipe-data-factory-reset-through-adb path verify install an OTA package file wipe_data erase user data and cache then reboot wipe_cache wipe cache but not..
Fix 3GP file after streaming from Android Media Recorder http://stackoverflow.com/questions/11994470/fix-3gp-file-after-streaming-from-android-media-recorder fix to make it playable and tell how he done it EDIT I erase header of the 3gp file and write new one as follows 00 00 00..
delete multiple items in custom listview http://stackoverflow.com/questions/16009209/delete-multiple-items-in-custom-listview Are you sure you want to delete these categories This will erase all records attached with it. lv_delete_data ListView findViewById..
Android Null Exception on Calling function http://stackoverflow.com/questions/17781069/android-null-exception-on-calling-function brushLarge Button brushMeduim Button brushSmall Button erase Button save Button trash Button rainbow Button color1 Button..
Making Overlaid image transparent on touch in Android? http://stackoverflow.com/questions/3021401/making-overlaid-image-transparent-on-touch-in-android and upper layer is an Imageview for erasing. I need erase the upper layer when user touch and move his finger on it. I..
Erase bitmap parts using PorterDuff mode http://stackoverflow.com/questions/3467334/erase-bitmap-parts-using-porterduff-mode bitmap parts using PorterDuff mode I try to erase parts of a bitmap in my Android application by using Porter.. private final Paint paint new Paint private final Paint eraserPaint new Paint public DrawView Context context super context.. bitmap bitmapCanvas.drawColor Color.BLUE Set eraser paint properties eraserPaint.setAlpha 0 eraserPaint.setXfermode..
MapView adding pushpins on touch http://stackoverflow.com/questions/3695634/mapview-adding-pushpins-on-touch the coordonates... all is left to do is on a new click erase the old pin and add a new one. But how to do it android android..
Android: looking for a drawArc() method with inner & outer radius http://stackoverflow.com/questions/3874424/android-looking-for-a-drawarc-method-with-inner-outer-radius
How do the pieces of Android's (2D) Canvas drawing pipeline fit together? http://stackoverflow.com/questions/5762727/how-do-the-pieces-of-androids-2d-canvas-drawing-pipeline-fit-together by the fact that one can do something like this Paint eraser new Paint eraser.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR.. that one can do something like this Paint eraser new Paint eraser.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR canvas.drawOval.. PorterDuff.Mode.CLEAR canvas.drawOval rectF eraser This erases an oval. Before I noticed this my mental model..
(Android)listview with multiple buttons, list item can't be clicked http://stackoverflow.com/questions/6184258/androidlistview-with-multiple-buttons-list-item-cant-be-clicked android mode twoLine Button android id @ id erase android layout_marginLeft 6dip android layout_marginTop 6dip.. android layout_height 40dip android layout_below @ id erase android layout_alignLeft @ id erase android background @drawable.. layout_below @ id erase android layout_alignLeft @ id erase android background @drawable soundinv android focusable false..
Android Paint PorterDuff.Mode.CLEAR http://stackoverflow.com/questions/10494442/android-paint-porterduff-mode-clear demo from Android SDK. My problem is when I'm using PorterDuff.Mode.CLEAR . When drawing and Canvas and if I try to erase something it's working fine. But if I try to save my image as PNG file the strokes of eraser are coloured black and I'm.. and Canvas and if I try to erase something it's working fine. But if I try to save my image as PNG file the strokes of eraser are coloured black and I'm not sure why is this happening. Here is an example what I'm doing @Override protected void onDraw.. png. Look at onDraw . First you draw the screen white. Then you add the Bitmap. Because you used Porter Duff Clear the erased part of the bitmap contains actually transparent black pixels value 0x00000000 . But because you have the white background..
Wipe data/Factory reset through ADB [closed] http://stackoverflow.com/questions/10817721/wipe-data-factory-reset-through-adb anystring write the text out to recovery.intent update_package path verify install an OTA package file wipe_data erase user data and cache then reboot wipe_cache wipe cache but not user data then reboot set_encrypted_filesystem on off enables..
Fix 3GP file after streaming from Android Media Recorder http://stackoverflow.com/questions/11994470/fix-3gp-file-after-streaming-from-android-media-recorder dl.dropbox.com u 17510473 sample_not_playable.3gp Can anyone fix to make it playable and tell how he done it EDIT I erase header of the 3gp file and write new one as follows 00 00 00 18 66 74 79 70 33 67 70 34 00 00 03 00 33 67 70 34 33 67 70..
delete multiple items in custom listview http://stackoverflow.com/questions/16009209/delete-multiple-items-in-custom-listview Toast.LENGTH_SHORT .show else showDialog Warning Are you sure you want to delete these categories This will erase all records attached with it. lv_delete_data ListView findViewById R.id.listViewDeleteData lv_delete_data.setAdapter..
Android Null Exception on Calling function http://stackoverflow.com/questions/17781069/android-null-exception-on-calling-function MyView Class public class MyView extends Activity Button brushLarge Button brushMeduim Button brushSmall Button erase Button save Button trash Button rainbow Button color1 Button color2 Button color3 this.color1 Button findViewById R.id.color1..
Making Overlaid image transparent on touch in Android? http://stackoverflow.com/questions/3021401/making-overlaid-image-transparent-on-touch-in-android am using frame layout to load 2 layers. Down layer is for content and upper layer is an Imageview for erasing. I need erase the upper layer when user touch and move his finger on it. I am not getting how to make it transparent. can anyone please..
Erase bitmap parts using PorterDuff mode http://stackoverflow.com/questions/3467334/erase-bitmap-parts-using-porterduff-mode bitmap parts using PorterDuff mode I try to erase parts of a bitmap in my Android application by using Porter Duff Xfermodes. I have a green background which is overlayed.. int x 0 private int y 0 Bitmap bitmap Canvas bitmapCanvas private final Paint paint new Paint private final Paint eraserPaint new Paint public DrawView Context context super context setFocusable true setFocusableInTouchMode true this.setOnTouchListener.. 480 Bitmap.Config.RGB_565 bitmapCanvas new Canvas bitmapCanvas.setBitmap bitmap bitmapCanvas.drawColor Color.BLUE Set eraser paint properties eraserPaint.setAlpha 0 eraserPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.DST_IN eraserPaint.setAntiAlias..
MapView adding pushpins on touch http://stackoverflow.com/questions/3695634/mapview-adding-pushpins-on-touch resource . When clicking on the map I get the Toast with the coordonates... all is left to do is on a new click erase the old pin and add a new one. But how to do it android android mapview pushpin share improve this question I would..
Android: looking for a drawArc() method with inner & outer radius http://stackoverflow.com/questions/3874424/android-looking-for-a-drawarc-method-with-inner-outer-radius
How do the pieces of Android's (2D) Canvas drawing pipeline fit together? http://stackoverflow.com/questions/5762727/how-do-the-pieces-of-androids-2d-canvas-drawing-pipeline-fit-together and use use their intrinsic color instead I was also surprised by the fact that one can do something like this Paint eraser new Paint eraser.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR canvas.drawOval rectF eraser This erases an oval... intrinsic color instead I was also surprised by the fact that one can do something like this Paint eraser new Paint eraser.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR canvas.drawOval rectF eraser This erases an oval. Before I noticed.. like this Paint eraser new Paint eraser.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR canvas.drawOval rectF eraser This erases an oval. Before I noticed this my mental model was that drawing to a canvas conceptually draws to a separate..
(Android)listview with multiple buttons, list item can't be clicked http://stackoverflow.com/questions/6184258/androidlistview-with-multiple-buttons-list-item-cant-be-clicked wrap_content android minHeight android attr listPreferredItemHeight android mode twoLine Button android id @ id erase android layout_marginLeft 6dip android layout_marginTop 6dip android layout_width 40dip android layout_height 40dip.. ImageButton android id @ id soundf android layout_width 40dip android layout_height 40dip android layout_below @ id erase android layout_alignLeft @ id erase android background @drawable soundinv android focusable false android focusableInTouchMode.. layout_width 40dip android layout_height 40dip android layout_below @ id erase android layout_alignLeft @ id erase android background @drawable soundinv android focusable false android focusableInTouchMode false TextView android id..
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