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2014/10/16 ¤W¤È 08:14:08
android Programming Glossary: getdrawablehttp://stackoverflow.com/questions/10812316/contact-bubble-edittext Context context super c context @Override public Drawable getDrawable Resources res c.getResources Drawable d res.getDrawable R.drawable.oval.. getDrawable Resources res c.getResources Drawable d res.getDrawable R.drawable.oval d.setBounds 0 0 100 20 return d Where my oval.xml.. drawable in the background. If i change the BubbleSpan's getDrawable method to use a .png instead of a shape drawable public Drawable..
create circular image view in android [duplicate] http://stackoverflow.com/questions/16208365/create-circular-image-view-in-android protected void onDraw Canvas canvas Drawable drawable getDrawable if drawable null return if getWidth 0 getHeight 0 return Bitmap..
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 bounds layer.drawable.getBounds Drawable parentDrawable getDrawable if parentDrawable null Rect parentBounds parentDrawable.getBounds.. new DisplayMetrics null @Override public Drawable getDrawable int id throws NotFoundException Drawable d super.getDrawable.. int id throws NotFoundException Drawable d super.getDrawable id if d instanceof BitmapDrawable BitmapDrawable bd BitmapDrawable..
http://stackoverflow.com/questions/1792604/html-imagegetter myText new ImageGetter @Override public Drawable getDrawable String source Drawable drawFromPath int path myActivity.this.getResources.. drawFromPath Drawable myActivity.this.getResources .getDrawable path drawFromPath.setBounds 0 0 drawFromPath.getIntrinsicWidth..
Is it possible to display inline images from html in an Android TextView? http://stackoverflow.com/questions/2865452/is-it-possible-to-display-inline-images-from-html-in-an-android-textview ImageGetter implements Html.ImageGetter public Drawable getDrawable String source int id if source.equals stack.jpg id R.drawable.stack.. else return null Drawable d getResources .getDrawable id d.setBounds 0 0 d.getIntrinsicWidth d.getIntrinsicHeight..
Trying to get the display size of an image in an ImageView http://stackoverflow.com/questions/3855218/trying-to-get-the-display-size-of-an-image-in-an-imageview dimensions of the supplied Bitmap . Namely Using ImageView.getDrawable .getInstrinsicWidth and getIntrinsicHeight will both return.. dimensions. Getting the Drawable through ImageView.getDrawable and casting it to a BitmapDrawable then using BitmapDrawable.getBitmap.. the drawable and getWidth getHeight final Drawable d getDrawable final int origW d.getIntrinsicWidth final int origH d.getIntrinsicHeight..
Android ImageView adjusting parent's height and fitting width http://stackoverflow.com/questions/5554682/android-imageview-adjusting-parents-height-and-fitting-width int widthMeasureSpec int heightMeasureSpec Drawable d getDrawable if d null ceil not round avoid thin vertical gaps along the..
Rotate zoom drag image in android imageview http://stackoverflow.com/questions/5894736/rotate-zoom-drag-image-in-android-imageview int width getWidth int height getHeight Drawable d getDrawable if d null return int imageWidth d.getIntrinsicWidth int imageHeight..
How to show an image in the email body? http://stackoverflow.com/questions/6201682/how-to-show-an-image-in-the-email-body ImageGetter imgGetter new ImageGetter public Drawable getDrawable String source Drawable drawable null try drawable getResources.. source Drawable drawable null try drawable getResources .getDrawable R.drawable.icon drawable.setBounds 0 0 drawable.getIntrinsicWidth..
http://stackoverflow.com/questions/6567647/avoid-memory-leaks-on-android Leaks are bad if sBackground null sBackground getDrawable R.drawable.large_bitmap label.setBackgroundDrawable sBackground..
Android HTML ImageGetter as AsyncTask http://stackoverflow.com/questions/7424512/android-html-imagegetter-as-asynctask ImageGetter as a parameter to Html.fromHtml it uses the getDrawable method that must be overridden. So there's no way to call the.. redraw I called it URLDrawable Return the URLDrawable in getDrawable method of Html.ImageGetter Once onPostExecute is called I redraw.. View t Context c this.c c this.container t public Drawable getDrawable String source URLDrawable urlDrawable new URLDrawable get the..
Android - How to change a layer-list drawable? http://stackoverflow.com/questions/8018435/android-how-to-change-a-layer-list-drawable .getResources BitmapDrawable newImage BitmapDrawable res.getDrawable R.drawable.android_purple Get replacement image can't use LayerDrawable.. as illustrated in the documentation Step #2 Cast the getDrawable result to a LayerDrawable Step #3 Call mutate if you do not..
http://stackoverflow.com/questions/10812316/contact-bubble-edittext DynamicDrawableSpan private Context c public BubbleSpan Context context super c context @Override public Drawable getDrawable Resources res c.getResources Drawable d res.getDrawable R.drawable.oval d.setBounds 0 0 100 20 return d Where my oval.xml.. Context context super c context @Override public Drawable getDrawable Resources res c.getResources Drawable d res.getDrawable R.drawable.oval d.setBounds 0 0 100 20 return d Where my oval.xml drawable is defined as so xml version 1.0 encoding utf.. string the characters are not visible and there is no oval drawable in the background. If i change the BubbleSpan's getDrawable method to use a .png instead of a shape drawable public Drawable getDrawable Resources res c.getResources Drawable d res.getDrawable..
create circular image view in android [duplicate] http://stackoverflow.com/questions/16208365/create-circular-image-view-in-android attrs int defStyle super context attrs defStyle @Override protected void onDraw Canvas canvas Drawable drawable getDrawable if drawable null return if getWidth 0 getHeight 0 return Bitmap b BitmapDrawable drawable .getBitmap Bitmap bitmap b.copy..
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 else Animation a layer.animation if a.isInitialized Rect bounds layer.drawable.getBounds Drawable parentDrawable getDrawable if parentDrawable null Rect parentBounds parentDrawable.getBounds a.initialize bounds.width bounds.height parentBounds.width.. public LayeredImageViewResources super getContext .getAssets new DisplayMetrics null @Override public Drawable getDrawable int id throws NotFoundException Drawable d super.getDrawable id if d instanceof BitmapDrawable BitmapDrawable bd BitmapDrawable.. new DisplayMetrics null @Override public Drawable getDrawable int id throws NotFoundException Drawable d super.getDrawable id if d instanceof BitmapDrawable BitmapDrawable bd BitmapDrawable d bd.getBitmap .setDensity DisplayMetrics.DENSITY_DEFAULT..
http://stackoverflow.com/questions/1792604/html-imagegetter the text with images in TextView myTextView.setText Html.fromHtml myText new ImageGetter @Override public Drawable getDrawable String source Drawable drawFromPath int path myActivity.this.getResources .getIdentifier source drawable com.package..... .getIdentifier source drawable com.package... drawFromPath Drawable myActivity.this.getResources .getDrawable path drawFromPath.setBounds 0 0 drawFromPath.getIntrinsicWidth drawFromPath.getIntrinsicHeight return drawFromPath null..
Is it possible to display inline images from html in an Android TextView? http://stackoverflow.com/questions/2865452/is-it-possible-to-display-inline-images-from-html-in-an-android-textview simpler. You could get away with something like private class ImageGetter implements Html.ImageGetter public Drawable getDrawable String source int id if source.equals stack.jpg id R.drawable.stack else if source.equals overflow.jpg id R.drawable.overflow.. else if source.equals overflow.jpg id R.drawable.overflow else return null Drawable d getResources .getDrawable id d.setBounds 0 0 d.getIntrinsicWidth d.getIntrinsicHeight return d You'd probably want to figure out something smarter..
Trying to get the display size of an image in an ImageView http://stackoverflow.com/questions/3855218/trying-to-get-the-display-size-of-an-image-in-an-imageview actual dimensions of the displayed image as opposed to the dimensions of the supplied Bitmap . Namely Using ImageView.getDrawable .getInstrinsicWidth and getIntrinsicHeight will both return the original dimensions. Getting the Drawable through ImageView.getDrawable.. and getIntrinsicHeight will both return the original dimensions. Getting the Drawable through ImageView.getDrawable and casting it to a BitmapDrawable then using BitmapDrawable.getBitmap .getWidth and getHeight also returns the original.. Matrix.MSCALE_Y Get the drawable could also get the bitmap behind the drawable and getWidth getHeight final Drawable d getDrawable final int origW d.getIntrinsicWidth final int origH d.getIntrinsicHeight Calculate the actual dimensions final int actW..
Android ImageView adjusting parent's height and fitting width http://stackoverflow.com/questions/5554682/android-imageview-adjusting-parents-height-and-fitting-width attrs super context attrs @Override protected void onMeasure int widthMeasureSpec int heightMeasureSpec Drawable d getDrawable if d null ceil not round avoid thin vertical gaps along the left right edges int width MeasureSpec.getSize widthMeasureSpec..
Rotate zoom drag image in android imageview http://stackoverflow.com/questions/5894736/rotate-zoom-drag-image-in-android-imageview float savedValue new float 9 savedMatrix2.getValues savedValue int width getWidth int height getHeight Drawable d getDrawable if d null return int imageWidth d.getIntrinsicWidth int imageHeight d.getIntrinsicHeight int scaleWidth int imageWidth value..
How to show an image in the email body? http://stackoverflow.com/questions/6201682/how-to-show-an-image-in-the-email-body image png startActivity Intent.createChooser i Email private ImageGetter imgGetter new ImageGetter public Drawable getDrawable String source Drawable drawable null try drawable getResources .getDrawable R.drawable.icon drawable.setBounds 0 0 drawable.getIntrinsicWidth.. imgGetter new ImageGetter public Drawable getDrawable String source Drawable drawable null try drawable getResources .getDrawable R.drawable.icon drawable.setBounds 0 0 drawable.getIntrinsicWidth drawable.getIntrinsicHeight catch Exception e e.printStackTrace..
http://stackoverflow.com/questions/6567647/avoid-memory-leaks-on-android super.onCreate state TextView label new TextView this label.setText Leaks are bad if sBackground null sBackground getDrawable R.drawable.large_bitmap label.setBackgroundDrawable sBackground setContentView label Romain said This example is one of..
Android HTML ImageGetter as AsyncTask http://stackoverflow.com/questions/7424512/android-html-imagegetter-as-asynctask so it must be an AsyncTask. I think. However when you pass the ImageGetter as a parameter to Html.fromHtml it uses the getDrawable method that must be overridden. So there's no way to call the whole ImageGetter.execute deal that triggers the doInBackground.. 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 redraw the container of the Spanned result Now the code for URLDrawable.. the container @param t @param c public URLImageParser View t Context c this.c c this.container t public Drawable getDrawable String source URLDrawable urlDrawable new URLDrawable get the actual source ImageGetterAsyncTask asyncTask new ImageGetterAsyncTask..
Android - How to change a layer-list drawable? http://stackoverflow.com/questions/8018435/android-how-to-change-a-layer-list-drawable is undefined Resources res getApplicationContext .getResources BitmapDrawable newImage BitmapDrawable res.getDrawable R.drawable.android_purple Get replacement image can't use LayerDrawable or get error. boolean layer_drawable_changed setDrawableByLayerId.. would try Step #1 Put android id attributes on the item elements as illustrated in the documentation Step #2 Cast the getDrawable result to a LayerDrawable Step #3 Call mutate if you do not want to affect anyone else using the Drawable may be optional..
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