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2014/10/16 ¤W¤È 08:13:39
android Programming Glossary: followsError importing HoloEverywhere http://stackoverflow.com/questions/10608539/error-importing-holoeverywhere to include Holo theme widgets. Change your activity as follows public class ChkActionBarSherlock extends SherlockActivity @Override..
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 on the buttons to trigger some action. My idea is as follows Keep a reference to the custom infoWindow created in the InfoWindowAdapter...
Is it possible to have multiple styles inside a TextView? http://stackoverflow.com/questions/1529068/is-it-possible-to-have-multiple-styles-inside-a-textview inside a TextView For instance I am setting the text as follows tv.setText line1 n line2 n word1 t word2 t word3 Is it possible..
how to convert byte array to string and vice versa http://stackoverflow.com/questions/1536054/how-to-convert-byte-array-to-string-and-vice-versa conversion Code I am using to do the conversion is as follows Code to convert byte arr to str byte by_original 0 1 2 3 4 5..
declaring mime type for a “custom file” that is to be sent via bluetooth http://stackoverflow.com/questions/16441330/declaring-mime-type-for-a-custom-file-that-is-to-be-sent-via-bluetooth to transfer an image file the part of my code went as follows intent.setType image i.putExtra i.EXTRA_STREAM uri here uri..
Android: Override back button to act like home button http://stackoverflow.com/questions/2000102/android-override-back-button-to-act-like-home-button the Back button press and call moveTaskToBack true as follows @Override public boolean onKeyDown int keyCode KeyEvent event..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android works natively with Android database implementations and follows the safe creation calling structure I describe in the blog post...
Detect application heap size in Android http://stackoverflow.com/questions/2630158/detect-application-heap-size-in-android be invoked e.g. in your main activity's onCreate method as follows Runtime rt Runtime.getRuntime long maxMemory rt.maxMemory Log.v.. For item 2 above getMemoryClass which can be invoked as follows ActivityManager am ActivityManager getSystemService ACTIVITY_SERVICE..
Declaring a custom android UI element using XML http://stackoverflow.com/questions/2695646/declaring-a-custom-android-ui-element-using-xml values inside the class initialisation. The steps are as follows 1. Declare attributes in values attrs.xml xml version 1.0 encoding..
How to listen for a Webview finishing loading a URL in Android? http://stackoverflow.com/questions/3149216/how-to-listen-for-a-webview-finishing-loading-a-url-in-android Just implement WebViewClient and extend onPageFinished as follows mWebView.setWebViewClient new WebViewClient public void onPageFinished..
http://stackoverflow.com/questions/3441396/defining-custom-attrs format reference color . enum attributes can be defined as follows attr name my_enum_attr enum name value1 value 1 enum name value2.. android gravity then you can do that in the name as follows. An example of a custom view declare styleable declare styleable.. normally do so in the constructor of your custom view as follows. public MyCustomView Context context AttributeSet attrs int..
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw ideas EDIT So okay what I've found so far on this is as follows 1 0 0 0 0 red 0 1 0 0 0 green 0 0 1 0 0 blue 0 0 0 1 0 alpha..
sqlite example program in android [closed] http://stackoverflow.com/questions/4721732/sqlite-example-program-in-android class where i can insert and retrieve the data to DB...has follows class A extends Activity addevent cityname cityid to insert..
Deleting a gallery image after camera intent photo taken http://stackoverflow.com/questions/6390163/deleting-a-gallery-image-after-camera-intent-photo-taken First in my application context I define a variable as follows public ArrayList String GalleryList new ArrayList String Next..
Is uploading videos from an SD Card to Facebook possible with the Facebook SDK? http://stackoverflow.com/questions/6908413/is-uploading-videos-from-an-sd-card-to-facebook-possible-with-the-facebook-sdk of converting your video file to byte . The code is as follows public byte readBytes InputStream inputStream throws IOException..
Android How to draw a smooth line following your finger http://stackoverflow.com/questions/8287949/android-how-to-draw-a-smooth-line-following-your-finger ambitious you can start to calculate the cubic splines as follows public void onDraw Canvas canvas Path path new Path if points.size..
Android Activity Life Cycle - What are all these methods for? http://stackoverflow.com/questions/8515936/android-activity-life-cycle-what-are-all-these-methods-for lifetime These states can be broken into 3 main groups as follows Active or Running Activities are considered active or running..
Error importing HoloEverywhere http://stackoverflow.com/questions/10608539/error-importing-holoeverywhere app_name android theme @style Holo.Theme Edit you main.xml to include Holo theme widgets. Change your activity as follows public class ChkActionBarSherlock extends SherlockActivity @Override public void onCreate Bundle savedInstanceState super.onCreate..
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 parts First part The first part is to be able to catch the clicks on the buttons to trigger some action. My idea is as follows Keep a reference to the custom infoWindow created in the InfoWindowAdapter. Wrap the MapFragment or MapView inside a custom..
Is it possible to have multiple styles inside a TextView? http://stackoverflow.com/questions/1529068/is-it-possible-to-have-multiple-styles-inside-a-textview possible to set multiple styles for different pieces of text inside a TextView For instance I am setting the text as follows tv.setText line1 n line2 n word1 t word2 t word3 Is it possible to have a different style for each text element E.g. line1..
how to convert byte array to string and vice versa http://stackoverflow.com/questions/1536054/how-to-convert-byte-array-to-string-and-vice-versa from original byte array values. What can I do to get proper conversion Code I am using to do the conversion is as follows Code to convert byte arr to str byte by_original 0 1 2 3 4 5 6 String str1 new String by_original System.out.println str1..
declaring mime type for a “custom file” that is to be sent via bluetooth http://stackoverflow.com/questions/16441330/declaring-mime-type-for-a-custom-file-that-is-to-be-sent-via-bluetooth my application to other phone using Blue tooth. When I wanted to transfer an image file the part of my code went as follows intent.setType image i.putExtra i.EXTRA_STREAM uri here uri has the URI of the image that I want to send. And the android..
Android: Override back button to act like home button http://stackoverflow.com/questions/2000102/android-override-back-button-to-act-like-home-button Service will still be running. A simpler approach is to capture the Back button press and call moveTaskToBack true as follows @Override public boolean onKeyDown int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_BACK moveTaskToBack true return..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android wrapping up an ORM tool based off of his Ormlite that works natively with Android database implementations and follows the safe creation calling structure I describe in the blog post. That should be out very soon. Take a look. In the meantime..
Detect application heap size in Android http://stackoverflow.com/questions/2630158/detect-application-heap-size-in-android each of the above. For item 1 above maxMemory which can be invoked e.g. in your main activity's onCreate method as follows Runtime rt Runtime.getRuntime long maxMemory rt.maxMemory Log.v onCreate maxMemory Long.toString maxMemory This method tells.. you how many total bytes of heap your app is allowed to use. For item 2 above getMemoryClass which can be invoked as follows ActivityManager am ActivityManager getSystemService ACTIVITY_SERVICE int memoryClass am.getMemoryClass Log.v onCreate memoryClass..
Declaring a custom android UI element using XML http://stackoverflow.com/questions/2695646/declaring-a-custom-android-ui-element-using-xml control inside the layout file and not actually handling the values inside the class initialisation. The steps are as follows 1. Declare attributes in values attrs.xml xml version 1.0 encoding utf 8 resources declare styleable name MyCustomView attr..
How to listen for a Webview finishing loading a URL in Android? http://stackoverflow.com/questions/3149216/how-to-listen-for-a-webview-finishing-loading-a-url-in-android a WebView android webview share improve this question Just implement WebViewClient and extend onPageFinished as follows mWebView.setWebViewClient new WebViewClient public void onPageFinished WebView view String url do your stuff here share..
http://stackoverflow.com/questions/3441396/defining-custom-attrs You can set the format to multiple types by using e.g. format reference color . enum attributes can be defined as follows attr name my_enum_attr enum name value1 value 1 enum name value2 value 2 attr flag attributes are similar except the values.. the format . If you wish to reuse an android attr for example android gravity then you can do that in the name as follows. An example of a custom view declare styleable declare styleable name MyCustomView attr name my_custom_attribute attr name.. LinearLayout Finally to access that custom attribute you normally do so in the constructor of your custom view as follows. public MyCustomView Context context AttributeSet attrs int defStyle super context attrs defStyle TypedArray a context.obtainStyledAttributes..
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw I need to know is how I go about designing the matrix. Any ideas EDIT So okay what I've found so far on this is as follows 1 0 0 0 0 red 0 1 0 0 0 green 0 0 1 0 0 blue 0 0 0 1 0 alpha Where this matrix is the identity matrix when applied makes..
sqlite example program in android [closed] http://stackoverflow.com/questions/4721732/sqlite-example-program-in-android this Provider class in Manifest file like . In another class where i can insert and retrieve the data to DB...has follows class A extends Activity addevent cityname cityid to insert private void addevent String a1 String a2 try ContentValues..
Deleting a gallery image after camera intent photo taken http://stackoverflow.com/questions/6390163/deleting-a-gallery-image-after-camera-intent-photo-taken about but this is what's working for me So here is my solution First in my application context I define a variable as follows public ArrayList String GalleryList new ArrayList String Next in my activity I define a method to get a list of all photos..
Is uploading videos from an SD Card to Facebook possible with the Facebook SDK? http://stackoverflow.com/questions/6908413/is-uploading-videos-from-an-sd-card-to-facebook-possible-with-the-facebook-sdk AsyncFacebookRunner.RequestListener and readBytes is a function of converting your video file to byte . The code is as follows public byte readBytes InputStream inputStream throws IOException This dynamically extends to take the bytes you read. ByteArrayOutputStream..
Android How to draw a smooth line following your finger http://stackoverflow.com/questions/8287949/android-how-to-draw-a-smooth-line-following-your-finger This still results in some sharp edges. If you're really ambitious you can start to calculate the cubic splines as follows public void onDraw Canvas canvas Path path new Path if points.size 1 for int i points.size 2 i points.size i if i 0 Point..
Android Activity Life Cycle - What are all these methods for? http://stackoverflow.com/questions/8515936/android-activity-life-cycle-what-are-all-these-methods-for illustrates the states an activity can go through during its lifetime These states can be broken into 3 main groups as follows Active or Running Activities are considered active or running if they are in the foreground also known as the top of the..
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