2014/10/16 上午 08:27:11

android Programming Glossary: v.getlayoutparams

Converting a view to Bitmap without displaying it in Android?

http://stackoverflow.com/questions/2801116/converting-a-view-to-bitmap-without-displaying-it-in-android

loadBitmapFromView View v Bitmap b Bitmap.createBitmap v.getLayoutParams .width v.getLayoutParams .height Bitmap.Config.ARGB_8888 Canvas.. v Bitmap b Bitmap.createBitmap v.getLayoutParams .width v.getLayoutParams .height Bitmap.Config.ARGB_8888 Canvas c new Canvas b v.layout..

Change the Right Margin of a View Programmatically?

http://stackoverflow.com/questions/4472429/change-the-right-margin-of-a-view-programmatically

static void setMargins View v int l int t int r int b if v.getLayoutParams instanceof ViewGroup.MarginLayoutParams ViewGroup.MarginLayoutParams.. p ViewGroup.MarginLayoutParams v.getLayoutParams p.setMargins l t r b v.requestLayout You should check the docs.. params LinearLayout.LayoutParams tv.getLayoutParams params.setMargins 0 0 10 0 substitute parameters for left top..

Android: Expand/collapse animation

http://stackoverflow.com/questions/4946295/android-expand-collapse-animation

t final int newHeight int initialHeight interpolatedTime v.getLayoutParams .height newHeight v.requestLayout @Override public void initialize.. final int targtetHeight v.getMeasuredHeight v.getLayoutParams .height 0 v.setVisibility View.VISIBLE Animation a new Animation.. float interpolatedTime Transformation t v.getLayoutParams .height interpolatedTime 1 LayoutParams.WRAP_CONTENT int targtetHeight..

Getting the pixel color value of a point on an Android View that includes a Bitmap-backed Canvas

http://stackoverflow.com/questions/6272859/getting-the-pixel-color-value-of-a-point-on-an-android-view-that-includes-a-bitm

ObjectAnimator animate LinearLayout width

http://stackoverflow.com/questions/7902976/objectanimator-animate-linearlayout-width

fraction startValue endValue ViewGroup.LayoutParams params v.getLayoutParams params.width num v.setLayoutParams params return num your client..

Take a screenshot of a whole view

http://stackoverflow.com/questions/9791714/take-a-screenshot-of-a-whole-view

Canvas c new Canvas b v.layout 0 0 v.getLayoutParams .width v.getLayoutParams .height v.draw c return b share improve..

Converting a view to Bitmap without displaying it in Android?

http://stackoverflow.com/questions/2801116/converting-a-view-to-bitmap-without-displaying-it-in-android

and call view.draw canvas here is the code public static Bitmap loadBitmapFromView View v Bitmap b Bitmap.createBitmap v.getLayoutParams .width v.getLayoutParams .height Bitmap.Config.ARGB_8888 Canvas c new Canvas b v.layout v.getLeft v.getTop v.getRight v.getBottom.. here is the code public static Bitmap loadBitmapFromView View v Bitmap b Bitmap.createBitmap v.getLayoutParams .width v.getLayoutParams .height Bitmap.Config.ARGB_8888 Canvas c new Canvas b v.layout v.getLeft v.getTop v.getRight v.getBottom v.draw c return..

Change the Right Margin of a View Programmatically?

http://stackoverflow.com/questions/4472429/change-the-right-margin-of-a-view-programmatically

than that it is a layout type which supports margins public static void setMargins View v int l int t int r int b if v.getLayoutParams instanceof ViewGroup.MarginLayoutParams ViewGroup.MarginLayoutParams p ViewGroup.MarginLayoutParams v.getLayoutParams p.setMargins.. v.getLayoutParams instanceof ViewGroup.MarginLayoutParams ViewGroup.MarginLayoutParams p ViewGroup.MarginLayoutParams v.getLayoutParams p.setMargins l t r b v.requestLayout You should check the docs for TextView . Basically you'll want to get the TextView's.. this TextView tv TextView findViewById R.id.my_text_view LinearLayout.LayoutParams params LinearLayout.LayoutParams tv.getLayoutParams params.setMargins 0 0 10 0 substitute parameters for left top right bottom tv.setLayoutParams params I can't test it right..

Android: Expand/collapse animation

http://stackoverflow.com/questions/4946295/android-expand-collapse-animation

applyTransformation float interpolatedTime Transformation t final int newHeight int initialHeight interpolatedTime v.getLayoutParams .height newHeight v.requestLayout @Override public void initialize int width int height int parentWidth int parentHeight.. final View v v.measure LayoutParams.MATCH_PARENT LayoutParams.WRAP_CONTENT final int targtetHeight v.getMeasuredHeight v.getLayoutParams .height 0 v.setVisibility View.VISIBLE Animation a new Animation @Override protected void applyTransformation float interpolatedTime.. Animation a new Animation @Override protected void applyTransformation float interpolatedTime Transformation t v.getLayoutParams .height interpolatedTime 1 LayoutParams.WRAP_CONTENT int targtetHeight interpolatedTime v.requestLayout @Override public..

Getting the pixel color value of a point on an Android View that includes a Bitmap-backed Canvas

http://stackoverflow.com/questions/6272859/getting-the-pixel-color-value-of-a-point-on-an-android-view-that-includes-a-bitm

then get the pixel color from the bitmap public static Bitmap loadBitmapFromView View v Bitmap b Bitmap.createBitmap v.getLayoutParams .width v.getLayoutParams .height Bitmap.Config.ARGB_8888 Canvas c new Canvas b v.layout 0 0 v.getLayoutParams .width v.getLayoutParams.. from the bitmap public static Bitmap loadBitmapFromView View v Bitmap b Bitmap.createBitmap v.getLayoutParams .width v.getLayoutParams .height Bitmap.Config.ARGB_8888 Canvas c new Canvas b v.layout 0 0 v.getLayoutParams .width v.getLayoutParams .height v.draw.. v.getLayoutParams .width v.getLayoutParams .height Bitmap.Config.ARGB_8888 Canvas c new Canvas b v.layout 0 0 v.getLayoutParams .width v.getLayoutParams .height v.draw c return b then use getPixel x y on the result http developer.android.com reference..

ObjectAnimator animate LinearLayout width

http://stackoverflow.com/questions/7902976/objectanimator-animate-linearlayout-width

startValue Object endValue int num Integer super.evaluate fraction startValue endValue ViewGroup.LayoutParams params v.getLayoutParams params.width num v.setLayoutParams params return num your client code ValueAnimator.ofObject new WidthEvaluator box box.getWidth..

Take a screenshot of a whole view

http://stackoverflow.com/questions/9791714/take-a-screenshot-of-a-whole-view