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2014/10/16 ¤W¤È 08:27:21
android Programming Glossary: view'sGoogle maps api v2 custom infowindow like in original android google maps http://stackoverflow.com/questions/14123243/google-maps-api-v2-custom-infowindow-like-in-original-android-google-maps default break else If the touch goes outside of the view's area like when moving finger out of the pressed button just..
Android: View.setID(int id) programmatically - how to avoid ID conflicts? http://stackoverflow.com/questions/1714297/android-view-setidint-id-programmatically-how-to-avoid-id-conflicts The identifier does not have to be unique in this view's hierarchy. The identifier should be a positive number. So you..
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 . Remember your LayoutParams are derived from your view's parent type not your view's type. @Override protected void onMeasure.. are derived from your view's parent type not your view's type. @Override protected void onMeasure int widthMeasureSpec..
Android: How to get a radiogroup with togglebuttons? http://stackoverflow.com/questions/2379527/android-how-to-get-a-radiogroup-with-togglebuttons also call the RadioGroup's check method with the toggled view's id. Like so public void onToggle View view RadioGroup view.getParent..
How to Programmatically Add Views to Views http://stackoverflow.com/questions/2395769/how-to-programmatically-add-views-to-views constructed view passing in an instance of the parent view's LayoutParams inner class before you add your newly constructed..
Does setWidth(int pixels) use dip or px? http://stackoverflow.com/questions/2406449/does-setwidthint-pixels-use-dip-or-px pixel as unit For example does setWidth 100 set the a view's width to 100 dips or 100 pxs Thanks. android width pixels units..
How can you display upside down text with a textview in Android? http://stackoverflow.com/questions/2558257/how-can-you-display-upside-down-text-with-a-textview-in-android doing this myself but I think it should work. Override the view's onDraw method call it's super passing in the canvas then after..
How to scale/resize text to fit a TextView? http://stackoverflow.com/questions/2596452/how-to-scale-resize-text-to-fit-a-textview final float initSize tv.getTextSize get the width of the view's back image unscaled .... float minViewHeight if tv.getBackground..
http://stackoverflow.com/questions/2781593/background-image-placement gravity bottom left And then set this drawable xml as your view's background @drawables my_drawable . The drawable XML format..
Android: How to resize a custom view programmatically? http://stackoverflow.com/questions/2963152/android-how-to-resize-a-custom-view-programmatically layout. Instead of creating a new LayoutParams object use view's original one that way all other set parameters are kept RelativeLayout.LayoutParams..
Developing an Android Homescreen http://stackoverflow.com/questions/3467461/developing-an-android-homescreen in exactly the same way so you have to recalculate the view's position. It works for me so far but I am facing a strange problem...
ListView in ScrollView potential workaround http://stackoverflow.com/questions/4097385/listview-in-scrollview-potential-workaround Another workaround I am working on is using my custom view's onWindowFocusChanged method. It tells the exacts height of the.. event but it never fired it was placed inside my custom view's onWindowFocusChanged method and the listener was in my Activity's..
Difference between a View's Padding and Margin http://stackoverflow.com/questions/4619899/difference-between-a-views-padding-and-margin space inside the border between the border and the actual view's content. Note that padding goes completely around the content..
Invoke native date picker from web-app on iOS/Android http://stackoverflow.com/questions/4946919/invoke-native-date-picker-from-web-app-on-ios-android date picker nicely on top of a web view or maybe my web view's CSS styling has some effect and surely this might be different..
http://stackoverflow.com/questions/4951142/smooth-scrolling-in-android a GestureDetector and call its onTouchEvent in your view's onTouchEvent GestureDetector mGD new GestureDetector getContext..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds 0 height 0 width 0 mTextSize 0 return Get the text view's paint object TextPaint textPaint getPaint Store the current..
Extending RelativeLayout, and overriding dispatchDraw() to create a zoomable ViewGroup http://stackoverflow.com/questions/6378904/extending-relativelayout-and-overriding-dispatchdraw-to-create-a-zoomable-vie My initial thinking was that when an individual child view's invalidate is being called then it's possibly being redrawn..
How to animate a View with Translate Animation in Android http://stackoverflow.com/questions/10276251/how-to-animate-a-view-with-translate-animation-in-android anim The method moveViewToScreenCenter gets the View's absolute coordinates and calculates how much distance has to..
Android action bar with two stretched buttons http://stackoverflow.com/questions/11264808/android-action-bar-with-two-stretched-buttons using a custom view on the Action bar. Within you Custom View's layout then worry about setting up the buttons width. Telling..
Android 2.1 View's getDrawingCache() method always returns null http://stackoverflow.com/questions/2817166/android-2-1-views-getdrawingcache-method-always-returns-null 2.1 View's getDrawingCache method always returns null I'm working with.. should return a Bitmap which is the presentation of View's content. Example code public void onCreate final Bundle savedInstanceState..
Android save view to jpg or png http://stackoverflow.com/questions/3107527/android-save-view-to-jpg-or-png share improve this question You can take advantage of a View's drawing cache. view.setDrawingCacheEnabled true Bitmap b view.getDrawingCache..
How to prevent Custom Views from losing state across screen orientation changes http://stackoverflow.com/questions/3542333/how-to-prevent-custom-views-from-losing-state-across-screen-orientation-changes size The work is split between the View and the View's SavedState class. You should do all the work of reading and..
Getting View's coordinates relative to the root layout http://stackoverflow.com/questions/3619693/getting-views-coordinates-relative-to-the-root-layout View's coordinates relative to the root layout Can I get a View's.. coordinates relative to the root layout Can I get a View's x and y position relative to the root layout of my Activity..
Android: How to place an animated image inside an EditText that we can show and hide http://stackoverflow.com/questions/3705809/android-how-to-place-an-animated-image-inside-an-edittext-that-we-can-show-and can I hide show the ImageView spinner I tried setting the View's invisibility by doing searchSpinner.setVisibility View.INVISIBLE..
Android layout broken with 9-patch background http://stackoverflow.com/questions/3904852/android-layout-broken-with-9-patch-background the NinePatch as its background and then specifies the View's text it will stretch itself so that all the text fits inside..
Android: How to get a custom View's height and width? [duplicate] http://stackoverflow.com/questions/4074937/android-how-to-get-a-custom-views-height-and-width How to get a custom View's height and width duplicate Possible Duplicate How to size an..
What's the difference between fill_parent and wrap_content? http://stackoverflow.com/questions/432763/whats-the-difference-between-fill-parent-and-wrap-content improve this question Either attribute can be applied to View's visual control horizontal or vertical size. It's used to set.. it to take up the whole screen. wrap_content Setting a View's size to wrap_content will force it to expand only far enough..
Android: ClassCastException when adding a header view to ExpandableListView http://stackoverflow.com/questions/4393775/android-classcastexception-when-adding-a-header-view-to-expandablelistview rid of the runtime error by programatically setting the View's LayoutParams to ListView LayoutParams like so headerView.setLayoutParams..
Difference between a View's Padding and Margin http://stackoverflow.com/questions/4619899/difference-between-a-views-padding-and-margin between a View's Padding and Margin What is the difference between a View's.. Padding and Margin What is the difference between a View's Margin and Padding android user interface view padding margin..
Android: Enable Scrollbars on Canvas-Based View http://stackoverflow.com/questions/4869276/android-enable-scrollbars-on-canvas-based-view be displayed. Essentially what I am doing is to call the View's awakenScrollBars method in my ScaleListener's onScale method..
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 sprites by having them write to the Canvas passed to the View's onDraw Canvas canvas method. Here is the onDraw method from..
android: ViewPager and HorizontalScrollVIew http://stackoverflow.com/questions/6920137/android-viewpager-and-horizontalscrollview events. Is there another command I can use to prevent a View's parent and ancestors from intercepting touch events note the..
Why so complex to set style from code in Android http://stackoverflow.com/questions/8369504/why-so-complex-to-set-style-from-code-in-android you specify a theme attribute to use as a reference to the View's default style. If you had a special kind of button called AwesomeButton..
Google maps api v2 custom infowindow like in original android google maps http://stackoverflow.com/questions/14123243/google-maps-api-v2-custom-infowindow-like-in-original-android-google-maps 150 break case MotionEvent.ACTION_CANCEL endPress break default break else If the touch goes outside of the view's area like when moving finger out of the pressed button just release the press endPress return false private void startPress..
Android: View.setID(int id) programmatically - how to avoid ID conflicts? http://stackoverflow.com/questions/1714297/android-view-setidint-id-programmatically-how-to-avoid-id-conflicts share improve this question According to View documentation The identifier does not have to be unique in this view's hierarchy. The identifier should be a positive number. So you can use any positive integer you like but in this case there..
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 provide a new LayoutParams for your view then call super.onMeasure . Remember your LayoutParams are derived from your view's parent type not your view's type. @Override protected void onMeasure int widthMeasureSpec int heightMeasureSpec int parentWidth.. for your view then call super.onMeasure . Remember your LayoutParams are derived from your view's parent type not your view's type. @Override protected void onMeasure int widthMeasureSpec int heightMeasureSpec int parentWidth MeasureSpec.getSize..
Android: How to get a radiogroup with togglebuttons? http://stackoverflow.com/questions/2379527/android-how-to-get-a-radiogroup-with-togglebuttons would do whatever need to happen specific to your app. and also call the RadioGroup's check method with the toggled view's id. Like so public void onToggle View view RadioGroup view.getParent .check view.getId app specific stuff .. share improve..
How to Programmatically Add Views to Views http://stackoverflow.com/questions/2395769/how-to-programmatically-add-views-to-views new Button you'll need to call setLayoutParams on the newly constructed view passing in an instance of the parent view's LayoutParams inner class before you add your newly constructed child to the parent view. For example you might have the..
Does setWidth(int pixels) use dip or px? http://stackoverflow.com/questions/2406449/does-setwidthint-pixels-use-dip-or-px setWidth int pixels use device independent pixel or physical pixel as unit For example does setWidth 100 set the a view's width to 100 dips or 100 pxs Thanks. android width pixels units of measurement dip share improve this question It uses..
How can you display upside down text with a textview in Android? http://stackoverflow.com/questions/2558257/how-can-you-display-upside-down-text-with-a-textview-in-android textview share improve this question I haven't tried doing this myself but I think it should work. Override the view's onDraw method call it's super passing in the canvas then after call the rotate method on the canvas passed to it passing..
How to scale/resize text to fit a TextView? http://stackoverflow.com/questions/2596452/how-to-scale-resize-text-to-fit-a-textview public static void autoScaleTextViewTextToHeight TextView tv final float initSize tv.getTextSize get the width of the view's back image unscaled .... float minViewHeight if tv.getBackground null minViewHeight tv.getBackground .getIntrinsicHeight..
http://stackoverflow.com/questions/2781593/background-image-placement apk res android android src @drawable my_png_file android gravity bottom left And then set this drawable xml as your view's background @drawables my_drawable . The drawable XML format is very poorly documented in the Android site though so it's..
Android: How to resize a custom view programmatically? http://stackoverflow.com/questions/2963152/android-how-to-resize-a-custom-view-programmatically an exception if you miss to pass either height or width of a layout. Instead of creating a new LayoutParams object use view's original one that way all other set parameters are kept RelativeLayout.LayoutParams params RelativeLayout.LayoutParams someLayout.getLayoutParams..
Developing an Android Homescreen http://stackoverflow.com/questions/3467461/developing-an-android-homescreen screen. Then you move your finger and the screen should move in exactly the same way so you have to recalculate the view's position. It works for me so far but I am facing a strange problem. When you touch the right view without moving you finger..
ListView in ScrollView potential workaround http://stackoverflow.com/questions/4097385/listview-in-scrollview-potential-workaround adapter.getCount 1 lvReports.setLayoutParams params Another workaround I am working on is using my custom view's onWindowFocusChanged method. It tells the exacts height of the view. The problem is that the event isn't fired while I am.. in my Activity's onWindowFocusChanged method. I tried a custom event but it never fired it was placed inside my custom view's onWindowFocusChanged method and the listener was in my Activity's onWindowFocusChanged method . android listview scrollview..
Difference between a View's Padding and Margin http://stackoverflow.com/questions/4619899/difference-between-a-views-padding-and-margin padding margin share improve this question Padding is the space inside the border between the border and the actual view's content. Note that padding goes completely around the content there is padding on the top bottom right and left sides which..
Invoke native date picker from web-app on iOS/Android http://stackoverflow.com/questions/4946919/invoke-native-date-picker-from-web-app-on-ios-android enter or change a date. Maybe iOS 4 doesn't render its native date picker nicely on top of a web view or maybe my web view's CSS styling has some effect and surely this might be different on a real device please comment or edit Though the Android..
http://stackoverflow.com/questions/4951142/smooth-scrolling-in-android thing you need when making such a custom View is implementing a GestureDetector and call its onTouchEvent in your view's onTouchEvent GestureDetector mGD new GestureDetector getContext new SimpleOnGestureListener @Override public boolean onScroll..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds not have dimensions or there is no text if text null text.length 0 height 0 width 0 mTextSize 0 return Get the text view's paint object TextPaint textPaint getPaint Store the current text size float oldTextSize textPaint.getTextSize If there is..
Extending RelativeLayout, and overriding dispatchDraw() to create a zoomable ViewGroup http://stackoverflow.com/questions/6378904/extending-relativelayout-and-overriding-dispatchdraw-to-create-a-zoomable-vie of their viewing area or not at all depending on the zoom scale. My initial thinking was that when an individual child view's invalidate is being called then it's possibly being redrawn individually by the system rather than being passed a Canvas..
How to animate a View with Translate Animation in Android http://stackoverflow.com/questions/10276251/how-to-animate-a-view-with-translate-animation-in-android 1 anim.setDuration 1000 anim.setFillAfter true view.startAnimation anim The method moveViewToScreenCenter gets the View's absolute coordinates and calculates how much distance has to move from its current position to reach the center of the screen...
Android action bar with two stretched buttons http://stackoverflow.com/questions/11264808/android-action-bar-with-two-stretched-buttons ActionBar for whatever reason one way to achieve this is by using a custom view on the Action bar. Within you Custom View's layout then worry about setting up the buttons width. Telling the activity to use a custom view for the action bar @Override..
Android 2.1 View's getDrawingCache() method always returns null http://stackoverflow.com/questions/2817166/android-2-1-views-getdrawingcache-method-always-returns-null 2.1 View's getDrawingCache method always returns null I'm working with Android 2.1 and have the following problem Using the method.. method View.getDrawingCache always returns null. getDrawingCache should return a Bitmap which is the presentation of View's content. Example code public void onCreate final Bundle savedInstanceState super.onCreate savedInstanceState setContentView..
Android save view to jpg or png http://stackoverflow.com/questions/3107527/android-save-view-to-jpg-or-png catch block e.printStackTrace android camera pictures share improve this question You can take advantage of a View's drawing cache. view.setDrawingCacheEnabled true Bitmap b view.getDrawingCache b.compress CompressFormat.JPEG 95 new FileOutputStream..
How to prevent Custom Views from losing state across screen orientation changes http://stackoverflow.com/questions/3542333/how-to-prevent-custom-views-from-losing-state-across-screen-orientation-changes in public SavedState newArray int size return new SavedState size The work is split between the View and the View's SavedState class. You should do all the work of reading and writing to and from the Parcel in the SavedState class. Then..
Getting View's coordinates relative to the root layout http://stackoverflow.com/questions/3619693/getting-views-coordinates-relative-to-the-root-layout View's coordinates relative to the root layout Can I get a View's x and y position relative to the root layout of my Activity.. View's coordinates relative to the root layout Can I get a View's x and y position relative to the root layout of my Activity in Android android android layout coordinates share improve..
Android: How to place an animated image inside an EditText that we can show and hide http://stackoverflow.com/questions/3705809/android-how-to-place-an-animated-image-inside-an-edittext-that-we-can-show-and just place a android drawableRight but that didn't work. How can I hide show the ImageView spinner I tried setting the View's invisibility by doing searchSpinner.setVisibility View.INVISIBLE but that didn't work. Thanks if you have any better ideas..
Android layout broken with 9-patch background http://stackoverflow.com/questions/3904852/android-layout-broken-with-9-patch-background a line on the right and bottom lines. If a View object sets the NinePatch as its background and then specifies the View's text it will stretch itself so that all the text fits inside only the area designated by the right and bottom lines if included..
Android: How to get a custom View's height and width? [duplicate] http://stackoverflow.com/questions/4074937/android-how-to-get-a-custom-views-height-and-width How to get a custom View's height and width duplicate Possible Duplicate How to size an Android view based on its parent ™s dimensions how do I use..
What's the difference between fill_parent and wrap_content? http://stackoverflow.com/questions/432763/whats-the-difference-between-fill-parent-and-wrap-content it very well. android layout user interface share improve this question Either attribute can be applied to View's visual control horizontal or vertical size. It's used to set a View or Layouts size based on either it's contents or the.. Setting a top level layout or control to fill_parent will force it to take up the whole screen. wrap_content Setting a View's size to wrap_content will force it to expand only far enough to contain the values or child controls it contains. For controls..
Android: ClassCastException when adding a header view to ExpandableListView http://stackoverflow.com/questions/4393775/android-classcastexception-when-adding-a-header-view-to-expandablelistview share improve this question Ok I figured this one out. I got rid of the runtime error by programatically setting the View's LayoutParams to ListView LayoutParams like so headerView.setLayoutParams new ListView.LayoutParams ListView.LayoutParams.FILL_PARENT..
Difference between a View's Padding and Margin http://stackoverflow.com/questions/4619899/difference-between-a-views-padding-and-margin between a View's Padding and Margin What is the difference between a View's Margin and Padding android user interface view padding margin.. between a View's Padding and Margin What is the difference between a View's Margin and Padding android user interface view padding margin share improve this question Padding is the space inside..
Android: Enable Scrollbars on Canvas-Based View http://stackoverflow.com/questions/4869276/android-enable-scrollbars-on-canvas-based-view the user to pan... but I simply can't get the scrollbars to be displayed. Essentially what I am doing is to call the View's awakenScrollBars method in my ScaleListener's onScale method when the user is zoomed in which triggers invalidate . I enabled..
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 ... etc. to a Bitmap backed Canvas . I draw child objects sprites by having them write to the Canvas passed to the View's onDraw Canvas canvas method. Here is the onDraw method from my class that extends View @Override public void onDraw Canvas..
android: ViewPager and HorizontalScrollVIew http://stackoverflow.com/questions/6920137/android-viewpager-and-horizontalscrollview but the ViewPager is still sometimes intercepting touch events. Is there another command I can use to prevent a View's parent and ancestors from intercepting touch events note the HorizontalScrollView only occupies half the screen. android..
Why so complex to set style from code in Android http://stackoverflow.com/questions/8369504/why-so-complex-to-set-style-from-code-in-android when implementing View subclasses and as you've shown lets you specify a theme attribute to use as a reference to the View's default style. If you had a special kind of button called AwesomeButton you might implement its constructors like this public..
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