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2014/10/16 ¤W¤È 08:09:40
android Programming Glossary: alphaAndroid: Specify two different images for togglebutton using XML http://stackoverflow.com/questions/1533038/android-specify-two-different-images-for-togglebutton-using-xml Name Related Method Description android disabledAlpha The alpha to apply to the indicator when disabled. android textOff The..
How to maintain multi layers of ImageViews and keep their aspect ratio based on the largest one? http://stackoverflow.com/questions/16729169/how-to-maintain-multi-layers-of-imageviews-and-keep-their-aspect-ratio-based-on mDrawMatrix.preConcat animationFrameMatrix int alpha int 255 layer.transformation.getAlpha Log.d TAG onDraw i alpha.. int 255 layer.transformation.getAlpha Log.d TAG onDraw i alpha alpha matrix animationFrameMatrix draw canvas layer.drawable.. layer.transformation.getAlpha Log.d TAG onDraw i alpha alpha matrix animationFrameMatrix draw canvas layer.drawable mDrawMatrix..
How to set background color of a View http://stackoverflow.com/questions/2173936/how-to-set-background-color-of-a-view You made your button transparent. The first byte is the alpha. Try v.setBackgroundColor 0xFF00FF00 share improve this answer..
ListSelector applies to the entire list http://stackoverflow.com/questions/2183447/listselector-applies-to-the-entire-list you can see android listSelector #99000000 but the black alpha color is applied to the entire list not the selected item. So..
How can I tell if a closed path contains a given point? http://stackoverflow.com/questions/2597590/how-can-i-tell-if-a-closed-path-contains-a-given-point might consider drawing each of your regions into an 8 bit alpha layer Bitmap with each Path filled in it's own 'color' value.. for int i 0 i paths.size i paint.setColor i 24 use only alpha value for color 0xXX000000 canvas.drawPath paths.get i paint..
How to Set Opacity (Alpha) for View in Android http://stackoverflow.com/questions/2838757/how-to-set-opacity-alpha-for-view-in-android attrs defStyle @Override public boolean onSetAlpha int alpha setTextColor getTextColors .withAlpha alpha setHintTextColor.. onSetAlpha int alpha setTextColor getTextColors .withAlpha alpha setHintTextColor getHintTextColors .withAlpha alpha setLinkTextColor.. alpha setHintTextColor getHintTextColors .withAlpha alpha setLinkTextColor getLinkTextColors .withAlpha alpha return true..
Blur or dim background when Android PopupWindow active http://stackoverflow.com/questions/3221488/blur-or-dim-background-when-android-popupwindow-active info on the shape element . Note that I didn't specify an alpha value in the color tag that would make the drawable item transparent.. e.g #ff000000 . The reason for this is that any hardcoded alpha value seems to override any new alpha values we set via the.. that any hardcoded alpha value seems to override any new alpha values we set via the setAlpha in our code so we don't want..
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 1 0 0 0 0 red 0 1 0 0 0 green 0 0 1 0 0 blue 0 0 0 1 0 alpha Where this matrix is the identity matrix when applied makes..
How to set text color of TextView in code? http://stackoverflow.com/questions/4602902/how-to-set-text-color-of-textview-in-code well myTextView.setTextColor 0xAARRGGBB Where you have an alpha channel first then the color value. Check out the complete manual..
Why retrieving Google Directions for Android using KML data is not working anymore? [duplicate] http://stackoverflow.com/questions/11745314/why-retrieving-google-directions-for-android-using-kml-data-is-not-working-anymo Colour to paint routePoints. private int colour Alpha setting for route overlay. private static final int ALPHA 120.. super.draw c mv shadow paint.setColor colour paint.setAlpha ALPHA paint.setAntiAlias true paint.setStrokeWidth STROKE..
MAT (Eclipse Memory Analyzer) - how to view bitmaps from memory dump http://stackoverflow.com/questions/12709603/mat-eclipse-memory-analyzer-how-to-view-bitmaps-from-memory-dump parameters for your bitmap first choose Image type as RGB Alpha most Android resources have this image type but you may need..
Numeric keyboard not displaying when porting Android app to BB10 http://stackoverflow.com/questions/14725876/numeric-keyboard-not-displaying-when-porting-android-app-to-bb10 for this I'm running the latest BB10 OS on a Dev Alpha device released Jan. 30 2013 . android blackberry 10 share..
How to Set Opacity (Alpha) for View in Android http://stackoverflow.com/questions/2838757/how-to-set-opacity-alpha-for-view-in-android to Set Opacity Alpha for View in Android I have a button as in the following Button.. main.xml file On the java side I tried Button01.mutate .SetAlpha 100 but it gave me an error. android button view opacity .. able to solve it by extending TextView and overriding onSetAlpha . Maybe you could try something similar with your button import..
Making Overlaid image transparent on touch in Android? http://stackoverflow.com/questions/3021401/making-overlaid-image-transparent-on-touch-in-android my finger on that image. I am having a PNG file with Alpha channel in it. I want to turn the touched pixels to transparent..
Android Listview with spinner and a checkbox http://stackoverflow.com/questions/3952375/android-listview-with-spinner-and-a-checkbox Select a choice string string array name choices item Alpha item item Bravo item item Charlie item string array resources..
Android Circular Gradient Alpha Mask http://stackoverflow.com/questions/4159959/android-circular-gradient-alpha-mask Circular Gradient Alpha Mask Is there a way to draw a circular gradient mask on a bitmap..
http://stackoverflow.com/questions/4813995/set-alpha-opacity-of-layout Alpha Opacity of Layout Is it possible to set and get the Alpha Opacity.. Alpha Opacity of Layout Is it possible to set and get the Alpha Opacity of a Layout and all it's child views I'm not talking.. and it's children or any other view for that matter using AlphaAnimation with 0 duration and setFillAfter option. Example AlphaAnimation..
How to get a Bitmap from a raw image http://stackoverflow.com/questions/5626795/how-to-get-a-bitmap-from-a-raw-image thing you have to extend every byte to an 32 bit ARGB int. Alpha is 0xff and R G and B are copies of the source image's byte..
how to get RGB values of bitmap in android http://stackoverflow.com/questions/5669501/how-to-get-rgb-values-of-bitmap-in-android R 123 G 93 B 49 FF7B 5D31 in the ARGB_8888 model. Where Alpha FF R 7B G 5D B 31. But this is stored as an int as 8692431...
Does “Bitmap.createScaledBitmap” convert an 32 bit image into 24 bit? http://stackoverflow.com/questions/6278992/does-bitmap-createscaledbitmap-convert-an-32-bit-image-into-24-bit null m.isIdentity bitmap createBitmap neww newh source.hasAlpha Config.ARGB_8888 Config.RGB_565 paint null not needed As you..
http://stackoverflow.com/questions/6699387/android-opengl-3d-picking y 9.990256062051143 x y 8.767260632968973 ^ 9 y^2 Wolfram Alpha plots it like so http www.wolframalpha.com input i Plot3D 0.11072114015496763..
How to use Blend to make a polygon transparent? http://stackoverflow.com/questions/9588254/how-to-use-blend-to-make-a-polygon-transparent supplied with the color or texturemap Red Green Blue Alpha and the range for alpha is 0.0 transparent to 1.0 opaque given..
Android: Specify two different images for togglebutton using XML http://stackoverflow.com/questions/1533038/android-specify-two-different-images-for-togglebutton-using-xml only inherited xml attributes are XML Attributes Attribute Name Related Method Description android disabledAlpha The alpha to apply to the indicator when disabled. android textOff The text for the button when it is not checked. android textOn..
How to maintain multi layers of ImageViews and keep their aspect ratio based on the largest one? http://stackoverflow.com/questions/16729169/how-to-maintain-multi-layers-of-imageviews-and-keep-their-aspect-ratio-based-on frame Matrix animationFrameMatrix layer.transformation.getMatrix mDrawMatrix.preConcat animationFrameMatrix int alpha int 255 layer.transformation.getAlpha Log.d TAG onDraw i alpha alpha matrix animationFrameMatrix draw canvas layer.drawable.. mDrawMatrix.preConcat animationFrameMatrix int alpha int 255 layer.transformation.getAlpha Log.d TAG onDraw i alpha alpha matrix animationFrameMatrix draw canvas layer.drawable mDrawMatrix alpha pendingAnimations true else animation.. mDrawMatrix.preConcat animationFrameMatrix int alpha int 255 layer.transformation.getAlpha Log.d TAG onDraw i alpha alpha matrix animationFrameMatrix draw canvas layer.drawable mDrawMatrix alpha pendingAnimations true else animation ended..
How to set background color of a View http://stackoverflow.com/questions/2173936/how-to-set-background-color-of-a-view
ListSelector applies to the entire list http://stackoverflow.com/questions/2183447/listselector-applies-to-the-entire-list #00000000 android background #00000000 ListView As you can see android listSelector #99000000 but the black alpha color is applied to the entire list not the selected item. So this is what I have now but the entire list still turns black..
How can I tell if a closed path contains a given point? http://stackoverflow.com/questions/2597590/how-can-i-tell-if-a-closed-path-contains-a-given-point clearly only keeps track of the containing rectangle. You might consider drawing each of your regions into an 8 bit alpha layer Bitmap with each Path filled in it's own 'color' value make sure anti aliasing is turned off in your Paint . This.. Paint paint.setAntiAlias false paint.setStyle Paint.Style.FILL for int i 0 i paths.size i paint.setColor i 24 use only alpha value for color 0xXX000000 canvas.drawPath paths.get i paint Then look up points int pathIndex lookup.getPixel x y pathIndex..
How to Set Opacity (Alpha) for View in Android http://stackoverflow.com/questions/2838757/how-to-set-opacity-alpha-for-view-in-android Context context AttributeSet attrs int defStyle super context attrs defStyle @Override public boolean onSetAlpha int alpha setTextColor getTextColors .withAlpha alpha setHintTextColor getHintTextColors .withAlpha alpha setLinkTextColor getLinkTextColors.. super context attrs defStyle @Override public boolean onSetAlpha int alpha setTextColor getTextColors .withAlpha alpha setHintTextColor getHintTextColors .withAlpha alpha setLinkTextColor getLinkTextColors .withAlpha alpha return true share..
Blur or dim background when Android PopupWindow active http://stackoverflow.com/questions/3221488/blur-or-dim-background-when-android-popupwindow-active guide topics resources drawable resource.html#Shape for more info on the shape element . Note that I didn't specify an alpha value in the color tag that would make the drawable item transparent e.g #ff000000 . The reason for this is that any hardcoded.. the color tag that would make the drawable item transparent e.g #ff000000 . The reason for this is that any hardcoded alpha value seems to override any new alpha values we set via the setAlpha in our code so we don't want that. However that means.. item transparent e.g #ff000000 . The reason for this is that any hardcoded alpha value seems to override any new alpha values we set via the setAlpha in our code so we don't want that. However that means that the drawable item will initially..
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 ideas EDIT So okay what I've found so far on this is as follows 1 0 0 0 0 red 0 1 0 0 0 green 0 0 1 0 0 blue 0 0 0 1 0 alpha Where this matrix is the identity matrix when applied makes no changes and the numbers range from 0 to 1 floats . This matrix..
How to set text color of TextView in code? http://stackoverflow.com/questions/4602902/how-to-set-text-color-of-textview-in-code so A.W. has this in an answer pavko_a just added it here as well myTextView.setTextColor 0xAARRGGBB Where you have an alpha channel first then the color value. Check out the complete manual ofcourse http developer.android.com reference android..
Why retrieving Google Directions for Android using KML data is not working anymore? [duplicate] http://stackoverflow.com/questions/11745314/why-retrieving-google-directions-for-android-using-kml-data-is-not-working-anymo representing this routePoints. private final List GeoPoint routePoints Colour to paint routePoints. private int colour Alpha setting for route overlay. private static final int ALPHA 120 Stroke width. private static final float STROKE 4.5f Route.. draw final Canvas c final MapView mv final boolean shadow super.draw c mv shadow paint.setColor colour paint.setAlpha ALPHA paint.setAntiAlias true paint.setStrokeWidth STROKE paint.setStyle Paint.Style.STROKE redrawPath mv c.drawPath..
MAT (Eclipse Memory Analyzer) - how to view bitmaps from memory dump http://stackoverflow.com/questions/12709603/mat-eclipse-memory-analyzer-how-to-view-bitmaps-from-memory-dump Raw Data dialog will appear. Here you need to set correct parameters for your bitmap first choose Image type as RGB Alpha most Android resources have this image type but you may need to experiment with other image types second set correct Width..
Numeric keyboard not displaying when porting Android app to BB10 http://stackoverflow.com/questions/14725876/numeric-keyboard-not-displaying-when-porting-android-app-to-bb10
How to Set Opacity (Alpha) for View in Android http://stackoverflow.com/questions/2838757/how-to-set-opacity-alpha-for-view-in-android to Set Opacity Alpha for View in Android I have a button as in the following Button android text Submit android id @ id Button01 android layout_width.. that I can set on the java side or can I set in the main.xml file On the java side I tried Button01.mutate .SetAlpha 100 but it gave me an error. android button view opacity share improve this question I just found your question while.. while having the similar problem with a TextView. I was able to solve it by extending TextView and overriding onSetAlpha . Maybe you could try something similar with your button import android.content.Context import android.util.AttributeSet..
Making Overlaid image transparent on touch in Android? http://stackoverflow.com/questions/3021401/making-overlaid-image-transparent-on-touch-in-android of bitmap image transparent seems like erasing while I am moving my finger on that image. I am having a PNG file with Alpha channel in it. I want to turn the touched pixels to transparent so that the user can feel that he is actually erasing it...
Android Listview with spinner and a checkbox http://stackoverflow.com/questions/3952375/android-listview-with-spinner-and-a-checkbox name app_name ListViewTest string string name choice_prompt Select a choice string string array name choices item Alpha item item Bravo item item Charlie item string array resources Now for the fun stuff. The ListViewActivity class public class..
Android Circular Gradient Alpha Mask http://stackoverflow.com/questions/4159959/android-circular-gradient-alpha-mask Circular Gradient Alpha Mask Is there a way to draw a circular gradient mask on a bitmap in Android Trying to produce something similar to a foggy..
http://stackoverflow.com/questions/4813995/set-alpha-opacity-of-layout Alpha Opacity of Layout Is it possible to set and get the Alpha Opacity of a Layout and all it's child views I'm not talking.. Alpha Opacity of Layout Is it possible to set and get the Alpha Opacity of a Layout and all it's child views I'm not talking about the background. Say a collection of Video Controls like.. improve this question You can set the alpha on the layout and it's children or any other view for that matter using AlphaAnimation with 0 duration and setFillAfter option. Example AlphaAnimation alpha new AlphaAnimation 0.5F 0.5F alpha.setDuration..
How to get a Bitmap from a raw image http://stackoverflow.com/questions/5626795/how-to-get-a-bitmap-from-a-raw-image Android does not support grayscale bitmaps. So first thing you have to extend every byte to an 32 bit ARGB int. Alpha is 0xff and R G and B are copies of the source image's byte pixel value. Then create the bitmap on top of that array. Also..
how to get RGB values of bitmap in android http://stackoverflow.com/questions/5669501/how-to-get-rgb-values-of-bitmap-in-android are packed in 4 bytes. In other words a pixel with the values R 123 G 93 B 49 FF7B 5D31 in the ARGB_8888 model. Where Alpha FF R 7B G 5D B 31. But this is stored as an int as 8692431. So to extract the Green value from 8692431 we need to shift..
Does “Bitmap.createScaledBitmap” convert an 32 bit image into 24 bit? http://stackoverflow.com/questions/6278992/does-bitmap-createscaledbitmap-convert-an-32-bit-image-into-24-bit you effectively skip this check and end up here if m null m.isIdentity bitmap createBitmap neww newh source.hasAlpha Config.ARGB_8888 Config.RGB_565 paint null not needed As you are not performing any scaling your matrix will be the identity..
http://stackoverflow.com/questions/6699387/android-opengl-3d-picking x 0.0003149873867479971 x^2 0.8633277851535017 y 9.990256062051143 x y 8.767260632968973 ^ 9 y^2 Wolfram Alpha plots it like so http www.wolframalpha.com input i Plot3D 0.11072114015496763 60 10.000231721597817 60 x 0.0003149873867479971..
How to use Blend to make a polygon transparent? http://stackoverflow.com/questions/9588254/how-to-use-blend-to-make-a-polygon-transparent drawing your translucent polygon. The alpha value is typically supplied with the color or texturemap Red Green Blue Alpha and the range for alpha is 0.0 transparent to 1.0 opaque given the blending function above. Also note that translucent objects..
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