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2014/10/16 ¤W¤È 08:23:32
android Programming Glossary: screenhttp://stackoverflow.com/questions/1016896/how-to-get-screen-dimensions to get screen dimensions I created some custom elements and I want to programmatically.. m pixels from the right edge therefore I need to get the screen width and screen height and then set position int px screenWidth.. right edge therefore I need to get the screen width and screen height and then set position int px screenWidth m int py screenWidth..
http://stackoverflow.com/questions/1554099/slow-android-emulator fix this problem Even if it starts and loads the home screen it is very sluggish. I have tried the Eclipse IDE in Galileos.. which results in very fast emulator. Refer the given below screenshots for more information. Creating a new AVD with the save..
Difference between px, dp, dip and sp in Android? http://stackoverflow.com/questions/2025282/difference-between-px-dp-dip-and-sp-in-android dp from here px Pixels corresponds to actual pixels on the screen. in Inches based on the physical size of the screen. mm Millimeters.. on the screen. in Inches based on the physical size of the screen. mm Millimeters based on the physical size of the screen. pt.. screen. mm Millimeters based on the physical size of the screen. pt Points 1 72 of an inch based on the physical size of the..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon not kill the app . It finishes the activity that was on screen when the user pressed the BACK button. It should only terminate..
How to programatically take a screenshot on Android? http://stackoverflow.com/questions/2661536/how-to-programatically-take-a-screenshot-on-android to programatically take a screenshot on Android How can I take screenshot of selected area of.. take a screenshot on Android How can I take screenshot of selected area of phone screen not by any program but.. How can I take screenshot of selected area of phone screen not by any program but from code. android screenshot share..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object in each row as I am unable to select a row with touch screen because of focus issue. I can use roller ball. I know I can..
Android - basic gesture detection http://stackoverflow.com/questions/937313/android-basic-gesture-detection this and the methods weren't called when I touched the screen. I really just need a concrete example of this working across.. it possible to lay a transparent view over the top of my screen to capture flings If I choose not to inflate my child image.. void onClick View v Filter f Filter v.getTag FilterFullscreenActivity.show this input f The post 'fling' dance is optional..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen device which having different Features Resolution and Screen size so while developing an Application which support multiple.. device displays into categories based on two parameters Screen size the physical size of the display measured diagonally Screen.. size the physical size of the display measured diagonally Screen density the physical pixel density of the display in pixels..
How to make application completely ignore screen orientation change in Android? http://stackoverflow.com/questions/1410504/how-to-make-application-completely-ignore-screen-orientation-change-in-android behavior. Within Attributes you need to change two fields Screen orientation select either portrait or landscape whichever is..
http://stackoverflow.com/questions/1979524/android-splashscreen SplashScreen I'm developing an application which basically downloads a lot.. the ListActivity. What I'm planning to do is show a Splash Screen till the data is loaded. Till now all my attempts have been.. is that the main Activity should start but The Splash Screen should be visible till I populate my ListActivity. So in short..
Overriding the Home button - how do I get rid of the choice? http://stackoverflow.com/questions/2079691/overriding-the-home-button-how-do-i-get-rid-of-the-choice Next I really only want to override the normal Home Screen when my app is running. If its not running everything should.. your application could contain a replicate Home Screen that harvested a user's Google account details not that hard.. your application could silently replace the default Home Screen it would be hard for the user to tell this had happened. Also..
http://stackoverflow.com/questions/2131948/force-screen-on Screen On How do I force the screen to stay active and not shut off..
Horizontal ListView in Android? http://stackoverflow.com/questions/3240331/horizontal-listview-in-android view. But the Selected item comes to the center of the Screen Automatically. I want to avoid it. the selected item at the..
http://stackoverflow.com/questions/4116001/android-lock-screen-widget Lock Screen Widget A few users have been asking me Android lock screen..
http://stackoverflow.com/questions/5832368/tablet-or-phone-android return xlarge large LARGE and XLARGE Screen Sizes are determined by the manufacturer based on the distance..
http://stackoverflow.com/questions/7637144/android-requires-compiler-compliance-level-5-0-or-6-0-found-1-7-instead-plea android project and I get errors like 2011 10 03 17 20 09 Screen Android requires compiler compliance level 5.0 or 6.0. Found..
Override Power button just like Home button http://stackoverflow.com/questions/10077905/override-power-button-just-like-home-button also tried to stop Screen off by getting the Broadcast of SCREEN_OFF and I succeeded in receiving it but I was not able to handle.. Intent intent if intent.getAction .equals Intent.ACTION_SCREEN_OFF do whatever you need to do here wasScreenOn false else.. false else if intent.getAction .equals Intent.ACTION_SCREEN_ON and do whatever you need to do here wasScreenOn true DisableHardButton.java..
Android OpenGL ES 2.0 screen coordinates to world coordinates http://stackoverflow.com/questions/10985487/android-opengl-es-2-0-screen-coordinates-to-world-coordinates Initialize auxiliary variables. Vec2 worldPos new Vec2 SCREEN height width ej 320 x 480 float screenW cam.GetScreenWidth float..
Listening for ACTION_SCREEN_OFF on Android http://stackoverflow.com/questions/11346958/listening-for-action-screen-off-on-android for ACTION_SCREEN_OFF on Android I'm trying to start a service that runs in the.. that runs in the background that is listening for ACTION_SCREEN_OFF and when it finds ACTION_SCREEN_OFF starts my activity... listening for ACTION_SCREEN_OFF and when it finds ACTION_SCREEN_OFF starts my activity. I read somewhere you need to create..
How to unlock screen programmatically? http://stackoverflow.com/questions/14352648/how-to-unlock-screen-programmatically Reciever if intent.getAction .equals Intent.ACTION_SCREEN_OFF DO WHATEVER YOU NEED TO DO HERE System.out.println SCREEN_OFF.. DO WHATEVER YOU NEED TO DO HERE System.out.println SCREEN_OFF wasScreenOn wasScreenOn false Intent i new Intent context.. keh else if intent.getAction .equals Intent.ACTION_SCREEN_ON AND DO WHATEVER YOU NEED TO DO HERE wasScreenOn true System.out.println..
How to generate Image Histogram in Android? http://stackoverflow.com/questions/17740059/how-to-generate-image-histogram-in-android As I AM GENERATING 3 GRAPHS ITS COMPULSARY TO KEEP THEM ON SCREEN SO TAKING THEIR AVERAGE. max maxR maxG maxB 3 DEVIDED BY 8 TO..
Get the real screen resolution on Ice Cream Sandwich http://stackoverflow.com/questions/8566322/get-the-real-screen-resolution-on-ice-cream-sandwich width display.getWidth int height display.getHeight Log.d SCREEN RES Width width . Height height DisplayMetrics metrics new DisplayMetrics.. metrics.heightPixels width metrics.widthPixels Log.d SCREEN RES Width width . Height height Here's the output 12 19 20 18.. . Height height Here's the output 12 19 20 18 42.012 D SCREEN RES 20752 Width 1196. Height 720 12 19 20 18 42.012 D SCREEN..
Why isn't my fragments onSaveInstanceState() being called? http://stackoverflow.com/questions/9405577/why-isnt-my-fragments-onsaveinstancestate-being-called in through ActionBarSherlock. LogCat gives me BEFORE SCREEN ROTATION PORTRAIT 02 23 11 45 58.015 I TestFragment 22629 onCreate.. 58.035 I TestFragment 22629 onActivityCreated NULL AFTER SCREEN ROTATION LANDSCAPE 02 23 11 46 00.615 I TestFragment 22629 onCreate..
http://stackoverflow.com/questions/1016896/how-to-get-screen-dimensions to get screen dimensions I created some custom elements and I want to programmatically place them to the upper right corner n pixels.. them to the upper right corner n pixels from the top edge and m pixels from the right edge therefore I need to get the screen width and screen height and then set position int px screenWidth m int py screenWidth n Does anyone know how to get screenWidth.. right corner n pixels from the top edge and m pixels from the right edge therefore I need to get the screen width and screen height and then set position int px screenWidth m int py screenWidth n Does anyone know how to get screenWidth and screenHeight..
http://stackoverflow.com/questions/1554099/slow-android-emulator emulator quickly but that is very rare. How can I if possible fix this problem Even if it starts and loads the home screen it is very sluggish. I have tried the Eclipse IDE in Galileos and Ganymede. android performance android emulator qemu .. the AVD. Also I have increased the Device RAM Size to 1024 which results in very fast emulator. Refer the given below screenshots for more information. Creating a new AVD with the save snapshot feature. Launching the emulator from the snapshot...
Difference between px, dp, dip and sp in Android? http://stackoverflow.com/questions/2025282/difference-between-px-dp-dip-and-sp-in-android would use sp for font sizes dip for everything else. dip dp from here px Pixels corresponds to actual pixels on the screen. in Inches based on the physical size of the screen. mm Millimeters based on the physical size of the screen. pt Points.. dip dp from here px Pixels corresponds to actual pixels on the screen. in Inches based on the physical size of the screen. mm Millimeters based on the physical size of the screen. pt Points 1 72 of an inch based on the physical size of the screen... on the screen. in Inches based on the physical size of the screen. mm Millimeters based on the physical size of the screen. pt Points 1 72 of an inch based on the physical size of the screen. dp Density independent Pixels an abstract unit that..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon see link in my question above . Pressing the BACK button does not kill the app . It finishes the activity that was on screen when the user pressed the BACK button. It should only terminate when the Users wants to terminate it never ever any other..
How to programatically take a screenshot on Android? http://stackoverflow.com/questions/2661536/how-to-programatically-take-a-screenshot-on-android to programatically take a screenshot on Android How can I take screenshot of selected area of phone screen not by any program but from code. android screenshot.. to programatically take a screenshot on Android How can I take screenshot of selected area of phone screen not by any program but from code. android screenshot share improve this question.. to programatically take a screenshot on Android How can I take screenshot of selected area of phone screen not by any program but from code. android screenshot share improve this question I just recently did something similar..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object to make some changes to the properties of the widgets elements in each row as I am unable to select a row with touch screen because of focus issue. I can use roller ball. I know I can do an out of band resize and save of my image but that is not..
Android - basic gesture detection http://stackoverflow.com/questions/937313/android-basic-gesture-detection that a fling has occurred from the view. In any case I tried this and the methods weren't called when I touched the screen. I really just need a concrete example of this working across views. What when and how should I attach this listener I need.. moveRight else moveLeft return true else return false Is it possible to lay a transparent view over the top of my screen to capture flings If I choose not to inflate my child image views from XML can I pass the GestureDetector as a constructor.. of the activity and the onFling of the gesture listener. public void onClick View v Filter f Filter v.getTag FilterFullscreenActivity.show this input f The post 'fling' dance is optional but encouraged. Hope this helps someone else Gav share improve..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen support multiple screen As we know Android coming with various device which having different Features Resolution and Screen size so while developing an Application which support multiple small and big screen there is an obstacle of size and layout... layouts and icon for multiple screen. Android generalises device displays into categories based on two parameters Screen size the physical size of the display measured diagonally Screen density the physical pixel density of the display in pixels.. displays into categories based on two parameters Screen size the physical size of the display measured diagonally Screen density the physical pixel density of the display in pixels per inch or ppi ` To determine screen size density quickly please..
How to make application completely ignore screen orientation change in Android? http://stackoverflow.com/questions/1410504/how-to-make-application-completely-ignore-screen-orientation-change-in-android Activity you wish to override for the orientation change behavior. Within Attributes you need to change two fields Screen orientation select either portrait or landscape whichever is desired. This will be the default layout. Select events for..
http://stackoverflow.com/questions/1979524/android-splashscreen SplashScreen I'm developing an application which basically downloads a lot of data at the start of the application itself and displays.. at the start of the application itself and displays it in the ListActivity. What I'm planning to do is show a Splash Screen till the data is loaded. Till now all my attempts have been futile. I tried anddev.org mentioned methods but my problem.. been futile. I tried anddev.org mentioned methods but my problem is that the main Activity should start but The Splash Screen should be visible till I populate my ListActivity. So in short I have to go through the following steps Start my main activity...
Overriding the Home button - how do I get rid of the choice? http://stackoverflow.com/questions/2079691/overriding-the-home-button-how-do-i-get-rid-of-the-choice override everything else and always use MyActivity as default Next I really only want to override the normal Home Screen when my app is running. If its not running everything should work as normal ie MyActivity should NOT be associated with.. a malicious application that hijacked a user's phone. Alternatively your application could contain a replicate Home Screen that harvested a user's Google account details not that hard since the source is available. If your application could silently.. details not that hard since the source is available. If your application could silently replace the default Home Screen it would be hard for the user to tell this had happened. Also do you really want to override Home Home is like an emergency..
http://stackoverflow.com/questions/2131948/force-screen-on Screen On How do I force the screen to stay active and not shut off while my app is running android share improve this question..
Horizontal ListView in Android? http://stackoverflow.com/questions/3240331/horizontal-listview-in-android to make the ListView horizontally I done this Using Gallery view. But the Selected item comes to the center of the Screen Automatically. I want to avoid it. the selected item at the same spot i have clicked. How to Rectify this Problem My Idea..
http://stackoverflow.com/questions/4116001/android-lock-screen-widget Lock Screen Widget A few users have been asking me Android lock screen widgets for my app I believe they want a widget that stays on..
http://stackoverflow.com/questions/5832368/tablet-or-phone-android Configuration.SCREENLAYOUT_SIZE_MASK Configuration.SCREENLAYOUT_SIZE_LARGE return xlarge large LARGE and XLARGE Screen Sizes are determined by the manufacturer based on the distance from the eye they are to be used at thus the idea of a tablet..
http://stackoverflow.com/questions/7637144/android-requires-compiler-compliance-level-5-0-or-6-0-found-1-7-instead-plea Did anybody have similar problem with this I import android project and I get errors like 2011 10 03 17 20 09 Screen Android requires compiler compliance level 5.0 or 6.0. Found '1.7' instead. Please use Android Tools Fix Project Properties...
Override Power button just like Home button http://stackoverflow.com/questions/10077905/override-power-button-just-like-home-button the short click of the same. Moreover when pressing power I also tried to stop Screen off by getting the Broadcast of SCREEN_OFF and I succeeded in receiving it but I was not able to handle it. Thanks. Then I had created a ReceiverScreen which receives.. true @Override public void onReceive Context context Intent intent if intent.getAction .equals Intent.ACTION_SCREEN_OFF do whatever you need to do here wasScreenOn false else if intent.getAction .equals Intent.ACTION_SCREEN_ON and do.. do whatever you need to do here wasScreenOn false else if intent.getAction .equals Intent.ACTION_SCREEN_ON and do whatever you need to do here wasScreenOn true DisableHardButton.java public class DisableHardButton extends..
Android OpenGL ES 2.0 screen coordinates to world coordinates http://stackoverflow.com/questions/10985487/android-opengl-es-2-0-screen-coordinates-to-world-coordinates in WCS. public Vec2 GetWorldCoords Vec2 touch Camera cam Initialize auxiliary variables. Vec2 worldPos new Vec2 SCREEN height width ej 320 x 480 float screenW cam.GetScreenWidth float screenH cam.GetScreenHeight Auxiliary matrix and vectors..
Listening for ACTION_SCREEN_OFF on Android http://stackoverflow.com/questions/11346958/listening-for-action-screen-off-on-android for ACTION_SCREEN_OFF on Android I'm trying to start a service that runs in the background that is listening for ACTION_SCREEN_OFF and when.. ACTION_SCREEN_OFF on Android I'm trying to start a service that runs in the background that is listening for ACTION_SCREEN_OFF and when it finds ACTION_SCREEN_OFF starts my activity. I read somewhere you need to create a BroadcastReceiver because.. trying to start a service that runs in the background that is listening for ACTION_SCREEN_OFF and when it finds ACTION_SCREEN_OFF starts my activity. I read somewhere you need to create a BroadcastReceiver because putting it in the manifest XML doesn't..
How to unlock screen programmatically? http://stackoverflow.com/questions/14352648/how-to-unlock-screen-programmatically Context context Intent intent System.out.println Entered Broadcaste Reciever if intent.getAction .equals Intent.ACTION_SCREEN_OFF DO WHATEVER YOU NEED TO DO HERE System.out.println SCREEN_OFF wasScreenOn wasScreenOn false Intent i new Intent context.. Reciever if intent.getAction .equals Intent.ACTION_SCREEN_OFF DO WHATEVER YOU NEED TO DO HERE System.out.println SCREEN_OFF wasScreenOn wasScreenOn false Intent i new Intent context UpdateService.class i.putExtra screen_state wasScreenOn context.startService.. wasScreenOn context.startService i System.out.println jrkejhr keh else if intent.getAction .equals Intent.ACTION_SCREEN_ON AND DO WHATEVER YOU NEED TO DO HERE wasScreenOn true System.out.println SCREEN_ON wasScreenOn And its entering to a..
How to generate Image Histogram in Android? http://stackoverflow.com/questions/17740059/how-to-generate-image-histogram-in-android and blue values. maxR maxR 255 maxG maxG 255 maxB maxB 255 As I AM GENERATING 3 GRAPHS ITS COMPULSARY TO KEEP THEM ON SCREEN SO TAKING THEIR AVERAGE. max maxR maxG maxB 3 DEVIDED BY 8 TO GET GRAPH OF THE SAME SIZE AS ITS IN PREVIEW max max 2.5 arrAllPoints..
Get the real screen resolution on Ice Cream Sandwich http://stackoverflow.com/questions/8566322/get-the-real-screen-resolution-on-ice-cream-sandwich Display display getWindowManager .getDefaultDisplay int width display.getWidth int height display.getHeight Log.d SCREEN RES Width width . Height height DisplayMetrics metrics new DisplayMetrics getWindowManager .getDefaultDisplay .getMetrics.. getWindowManager .getDefaultDisplay .getMetrics metrics height metrics.heightPixels width metrics.widthPixels Log.d SCREEN RES Width width . Height height Here's the output 12 19 20 18 42.012 D SCREEN RES 20752 Width 1196. Height 720 12 19 20.. width metrics.widthPixels Log.d SCREEN RES Width width . Height height Here's the output 12 19 20 18 42.012 D SCREEN RES 20752 Width 1196. Height 720 12 19 20 18 42.012 D SCREEN RES 20752 Width 1196. Height 720 The real screen resolution..
Why isn't my fragments onSaveInstanceState() being called? http://stackoverflow.com/questions/9405577/why-isnt-my-fragments-onsaveinstancestate-being-called that I'm using the pre 3.0 support package for fragments brought in through ActionBarSherlock. LogCat gives me BEFORE SCREEN ROTATION PORTRAIT 02 23 11 45 58.015 I TestFragment 22629 onCreate NULL 02 23 11 45 58.015 I TestFragment 22629 onCreateView.. 23 11 45 58.015 I TestFragment 22629 onCreateView 02 23 11 45 58.035 I TestFragment 22629 onActivityCreated NULL AFTER SCREEN ROTATION LANDSCAPE 02 23 11 46 00.615 I TestFragment 22629 onCreate NULL 02 23 11 46 00.615 I TestFragment 22629 onCreateView..
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