2014/10/16 上午 08:20:47

android Programming Glossary: onlayout

How to size an Android view based on its parent's dimensions

http://stackoverflow.com/questions/2159320/how-to-size-an-android-view-based-on-its-parents-dimensions

and 1 2 the width I've tried overriding all on onMeasu onLayout onSizeChanged etc and I couldn't get it working.... android..

Developing an Android Homescreen

http://stackoverflow.com/questions/3467461/developing-an-android-homescreen

newX 0 0 0 10 invalidate @Override protected void onLayout boolean changed int l int t int r int b int childLeft 0 final..

my Custom View gets drawn only when added in onCreate

http://stackoverflow.com/questions/4163918/my-custom-view-gets-drawn-only-when-added-in-oncreate

R.id.label .getHeight @Override protected void onLayout boolean changed int l int t int r int b super.onLayout changed.. onLayout boolean changed int l int t int r int b super.onLayout changed l t r b View bar2 findViewById R.id.smallBar RelativeLayout.LayoutParams.. false in the constructor so that in onDraw that is after onLayout I can call the extra requestLayout . This generates a stupid..

How to inflate XML-Layout-File correctly inside Custom ViewGroup?

http://stackoverflow.com/questions/4448779/how-to-inflate-xml-layout-file-correctly-inside-custom-viewgroup

R.layout.shownumberlayout null @Override protected void onLayout boolean changed int l int t int r int b TODO Auto generated.. correctly up. The missing thing was to override the Method onLayout thanks to Franco in the RelativeLayout Sublcass public class.. extends RelativeLayout ... @Override protected void onLayout boolean changed int l int t int r int b TODO Auto generated..

creating a system overlay (always on top) button in android

http://stackoverflow.com/questions/4481226/creating-a-system-overlay-always-on-top-button-in-android

Hello World 5 15 mLoadPaint @Override protected void onLayout boolean arg0 int arg1 int arg2 int arg3 int arg4 @Override public..

How to layout a 'grid' of images in the center of the screen

http://stackoverflow.com/questions/4592065/how-to-layout-a-grid-of-images-in-the-center-of-the-screen

we want to use for the children set to 1 for squares . In onLayout we receive the final size of the grid so we can compute the.. setMeasuredDimension width height @Override protected void onLayout boolean changed int l int t int r int b int childCount getChildCount..

Android Homescreen

http://stackoverflow.com/questions/4969226/android-homescreen

newX 0 0 0 10 invalidate @Override protected void onLayout boolean changed int l int t int r int b int childLeft 0 final..

Auto Scale TextView Text to Fit within Bounds

http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds

Resize text after measuring @Override protected void onLayout boolean changed int left int top int right int bottom if changed.. resizeText widthLimit heightLimit super.onLayout changed left top right bottom Resize the text size with default..

Line-breaking widget layout for Android

http://stackoverflow.com/questions/549451/line-breaking-widget-layout-for-android

return p instanceof LayoutParams @Override protected void onLayout boolean changed int l int t int r int b final int count getChildCount..

Get the height of virtual keyboard in Android

http://stackoverflow.com/questions/6009487/get-the-height-of-virtual-keyboard-in-android

Modifying the Android seekbar widget to operate vertically

http://stackoverflow.com/questions/631238/modifying-the-android-seekbar-widget-to-operate-vertically

oldh super.onSizeChanged h w oldw oldh protected void onLayout boolean changed int l int t int r int b super.onLayout changed.. onLayout boolean changed int l int t int r int b super.onLayout changed l t r b left l right r top t bottom b protected..

GridView rows overlapping: how to make row height fit the tallest item?

http://stackoverflow.com/questions/7545915/gridview-rows-overlapping-how-to-make-row-height-fit-the-tallest-item

by subclassing GridView and adding a measuring hook in the onLayout method. Custom view group that shares a common max height @author.. super context attrs defStyle @Override protected void onLayout boolean changed int l int t int r int b if changed CustomAdapter.. numColumns adapter.measureItems columnWidth super.onLayout changed l t r b The reason I have the number of columns as..

Android Camera will not work. startPreview fails

http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails

width height @Override protected void onLayout boolean changed int left int top int right int bottom if changed..

Why use Fragments? [duplicate]

http://stackoverflow.com/questions/9827072/why-use-fragments

is ctor onFinishInflate onAttachedToWindow onMeasure onLayout onDetatchedFromWindow I'd like to hear from developers with..

How to size an Android view based on its parent's dimensions

http://stackoverflow.com/questions/2159320/how-to-size-an-android-view-based-on-its-parents-dimensions

want a child view say an imageview to take up the whole height and 1 2 the width I've tried overriding all on onMeasu onLayout onSizeChanged etc and I couldn't get it working.... android layout share improve this question I don't know if anyone..

Developing an Android Homescreen

http://stackoverflow.com/questions/3467461/developing-an-android-homescreen

final int newX whichScreen getWidth mScroller.startScroll newX 0 0 0 10 invalidate @Override protected void onLayout boolean changed int l int t int r int b int childLeft 0 final int count getChildCount for int i 0 i count i final View..

my Custom View gets drawn only when added in onCreate

http://stackoverflow.com/questions/4163918/my-custom-view-gets-drawn-only-when-added-in-oncreate

super.onSizeChanged w h oldw oldh mAvailHeight getHeight findViewById R.id.label .getHeight @Override protected void onLayout boolean changed int l int t int r int b super.onLayout changed l t r b View bar2 findViewById R.id.smallBar RelativeLayout.LayoutParams.. findViewById R.id.label .getHeight @Override protected void onLayout boolean changed int l int t int r int b super.onLayout changed l t r b View bar2 findViewById R.id.smallBar RelativeLayout.LayoutParams llp2 RelativeLayout.LayoutParams bar2.getLayoutParams.. a way to call again requestLayout . I called setWillNotDraw false in the constructor so that in onDraw that is after onLayout I can call the extra requestLayout . This generates a stupid cycle but solves the problem aesthetically. If anyone knows..

How to inflate XML-Layout-File correctly inside Custom ViewGroup?

http://stackoverflow.com/questions/4448779/how-to-inflate-xml-layout-file-correctly-inside-custom-viewgroup

Context.LAYOUT_INFLATER_SERVICE inflater.inflate R.layout.shownumberlayout null @Override protected void onLayout boolean changed int l int t int r int b TODO Auto generated method stub ShowNumber.class public class ShowNumber extends.. bytes in 91ms UPDATE 2 The Content is finally showing correctly up. The missing thing was to override the Method onLayout thanks to Franco in the RelativeLayout Sublcass public class ViewNumber extends RelativeLayout ... @Override protected void.. to Franco in the RelativeLayout Sublcass public class ViewNumber extends RelativeLayout ... @Override protected void onLayout boolean changed int l int t int r int b TODO Auto generated method stub for int i 0 i getChildCount i getChildAt i .layout..

creating a system overlay (always on top) button in android

http://stackoverflow.com/questions/4481226/creating-a-system-overlay-always-on-top-button-in-android

void onDraw Canvas canvas super.onDraw canvas canvas.drawText Hello World 5 15 mLoadPaint @Override protected void onLayout boolean arg0 int arg1 int arg2 int arg3 int arg4 @Override public boolean onTouchEvent MotionEvent event return super.onTouchEvent..

How to layout a 'grid' of images in the center of the screen

http://stackoverflow.com/questions/4592065/how-to-layout-a-grid-of-images-in-the-center-of-the-screen

of children. Another main parameter is the aspect ratio we want to use for the children set to 1 for squares . In onLayout we receive the final size of the grid so we can compute the maximum width and height of the children. We then check this.. height Math.max measuredHeight getSuggestedMinimumHeight setMeasuredDimension width height @Override protected void onLayout boolean changed int l int t int r int b int childCount getChildCount if childCount 0 return int innerWidth r l getPaddingLeft..

Android Homescreen

http://stackoverflow.com/questions/4969226/android-homescreen

Auto Scale TextView Text to Fit within Bounds

http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds

TypedValue.COMPLEX_UNIT_PX mTextSize mMaxTextSize mTextSize Resize text after measuring @Override protected void onLayout boolean changed int left int top int right int bottom if changed mNeedsResize int widthLimit right left getCompoundPaddingLeft.. int heightLimit bottom top getCompoundPaddingBottom getCompoundPaddingTop resizeText widthLimit heightLimit super.onLayout changed left top right bottom Resize the text size with default width and height public void resizeText int heightLimit..

Line-breaking widget layout for Android

http://stackoverflow.com/questions/549451/line-breaking-widget-layout-for-android

@Override protected boolean checkLayoutParams LayoutParams p return p instanceof LayoutParams @Override protected void onLayout boolean changed int l int t int r int b final int count getChildCount final int width r l int xpos getPaddingLeft int ypos..

Get the height of virtual keyboard in Android

http://stackoverflow.com/questions/6009487/get-the-height-of-virtual-keyboard-in-android

Modifying the Android seekbar widget to operate vertically

http://stackoverflow.com/questions/631238/modifying-the-android-seekbar-widget-to-operate-vertically

oHeight protected void onSizeChanged int w int h int oldw int oldh super.onSizeChanged h w oldw oldh protected void onLayout boolean changed int l int t int r int b super.onLayout changed l t r b left l right r top t bottom b protected void.. int oldh super.onSizeChanged h w oldw oldh protected void onLayout boolean changed int l int t int r int b super.onLayout changed l t r b left l right r top t bottom b protected void onDraw Canvas c c.rotate 90 c.translate 0 29 super.onDraw..

GridView rows overlapping: how to make row height fit the tallest item?

http://stackoverflow.com/questions/7545915/gridview-rows-overlapping-how-to-make-row-height-fit-the-tallest-item

I had pre measure all cells before rendering. I did this by subclassing GridView and adding a measuring hook in the onLayout method. Custom view group that shares a common max height @author Chase Colburn public class GridViewItemLayout extends.. Context context AttributeSet attrs int defStyle super context attrs defStyle @Override protected void onLayout boolean changed int l int t int r int b if changed CustomAdapter adapter CustomAdapter getAdapter int numColumns getContext.. if numColumns 1 int columnWidth getMeasuredWidth numColumns adapter.measureItems columnWidth super.onLayout changed l t r b The reason I have the number of columns as a resource is so that I can have a different number based on..

Android Camera will not work. startPreview fails

http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails

null mPreviewSize getOptimalPreviewSize mSupportedPreviewSizes width height @Override protected void onLayout boolean changed int left int top int right int bottom if changed final View cameraView getChildAt 0 final int width right..

Why use Fragments? [duplicate]

http://stackoverflow.com/questions/9827072/why-use-fragments

onStop onDestroyView onDestroy onDetatch . The View lifecycle is ctor onFinishInflate onAttachedToWindow onMeasure onLayout onDetatchedFromWindow I'd like to hear from developers with experience writing large apps about what benefits if any they've..