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2014/10/16 ¤W¤È 08:22:50
android Programming Glossary: returnsWhy retrieving Google Directions for Android using KML data is not working anymore? [duplicate] http://stackoverflow.com/questions/11745314/why-retrieving-google-directions-for-android-using-kml-data-is-not-working-anymo URL I'm requesting doesn't retreieve KML data anymore it returns a whole page. I followed this in order to achieve that. What..
Android ACTION_IMAGE_CAPTURE Intent http://stackoverflow.com/questions/1910608/android-action-image-capture-intent works just fine if we leave out the EXTRA_OUTPUT extra and returns the small Bitmap image. However if we putExtra EXTRA_OUTPUT..
How can I check the current status of the GPS receiver? http://stackoverflow.com/questions/2021176/how-can-i-check-the-current-status-of-the-gps-receiver is of course useless. Checking if any of the satellites returns true for usedInFix isn't very helpful also. The system apparently..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android app ActivityManager.html#getProcessMemoryInfo int This returns a low level MemoryInfo structure with all of this data The proportional..
How do I get the web page contents from a WebView? http://stackoverflow.com/questions/2376471/how-do-i-get-the-web-page-contents-from-a-webview WebView should have some kind of getPageSource method that returns a string but alas it does not. If I enable JavaScript what is..
How to pick an image from gallery (SD Card) for my app in Android? http://stackoverflow.com/questions/2507898/how-to-pick-an-image-from-gallery-sd-card-for-my-app-in-android giving that string to the cursor query. The cursor query returns with the path but you don't know which column it's in until..
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview To make matters worse calling editTextView.requestFocus returns true but in fact does not give the EditText focus. What I'm..
Is there a unique Android device ID? http://stackoverflow.com/questions/2785485/is-there-a-unique-android-device-id share improve this question Settings.Secure#ANDROID_ID returns the Android ID as an unique 64 bit hex string. import android.provider.Settings.Secure..
Launch custom android application from android browser http://stackoverflow.com/questions/2958701/launch-custom-android-application-from-android-browser answer your question you can use getIntent .getData which returns a Uri object. You can then use Uri. methods to extract the data..
Android: Is application running in background? http://stackoverflow.com/questions/3667022/android-is-application-running-in-background with ActivityManager.getRunningAppProcesses which returns a list of RunningAppProcessInfo records. To determine if your..
Android - detect whether there is an Internet connection available [duplicate] http://stackoverflow.com/questions/4238921/android-detect-whether-there-is-an-internet-connection-available is not visible. Safe bet is there is another class that returns a NetworkInfo object. But I don't know which. 3 questions do.. The getActiveNetworkInfo method of ConnectivityManager returns a NetworkInfo instance representing the first connected network.. if the interfaces are connected. Checking if this method returns null should be enough to tell if an internet connection is available...
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 preview load an image off the SD card the application returns from the activity back to the listview activity to the result..
Android Listview with different layout for each row http://stackoverflow.com/questions/4777272/android-listview-with-different-layout-for-each-row to use those methods. getViewTypeCount this methods returns information how many types of rows do you have in your list.. rows do you have in your list getItemViewType int position returns information which layout type you should use based on position..
Find an external SD card location http://stackoverflow.com/questions/5694933/find-an-external-sd-card-location External Storage . Environment.getExternalStorageState returns path to internal SD mount point like mnt sdcard . But the question.. improve this question Environment.getExternalStorageState returns path to internal SD mount point like mnt sdcard No Environment.getExternalStorageDirectory..
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 be invoked on A. B will not be created until A's onPause returns so be sure to not do anything lengthy here. onStop Called when..
Difference between getContext() , getApplicationContext() , getBaseContext() and “this” http://stackoverflow.com/questions/10641144/difference-between-getcontext-getapplicationcontext-getbasecontext-and context share improve this question View.getContext Returns the context the view is currently running in. Usually the currently.. currently active Activity. Activity.getApplicationContext Returns the context for the entire application the process all the Activities..
Android ViewPager - can't update dynamically http://stackoverflow.com/questions/10849552/android-viewpager-cant-update-dynamically be shown. position The page position to be instantiated. Returns Returns an Object representing the new page. This does not need.. position The page position to be instantiated. Returns Returns an Object representing the new page. This does not need to be..
dynamically add and remove view to viewpager http://stackoverflow.com/questions/13664155/dynamically-add-and-remove-view-to-viewpager Used by ViewPager can be used by app as well. Returns the total number of pages that the ViewPage can display. This.. return view object Add view to right end of views . Returns the position of the new view. The app should call this to add.. addView v views.size Add view at position to views . Returns position of new view. The app should call this to add pages..
Playing HTML5 video on fullscreen in android webview http://stackoverflow.com/questions/15768837/playing-html5-video-on-fullscreen-in-android-webview should handle it. Otherwise don't do anything. @return Returns true if the event was handled and false if was not video view..
Stop AsyncTask doInBackground method http://stackoverflow.com/questions/16538714/stop-asynctask-doinbackground-method the task. Use isCancelled public final boolean isCancelled Returns true if this task was cancelled before it completed normally...
Retrieve Contact Phone Number From URI in Android http://stackoverflow.com/questions/3370628/retrieve-contact-phone-number-from-uri-in-android startActivityForResult i CONTACTS_REQUEST_CODE Returns the Log output content com.android.contacts data 6802 From which..
How to crop an image in android? [duplicate] http://stackoverflow.com/questions/3846338/how-to-crop-an-image-in-android share improve this question From Bitmap.createBitmap Returns an immutable bitmap from the specified subset of the source..
Making sense of LayoutInflater http://stackoverflow.com/questions/5026926/making-sense-of-layoutinflater subclass of LayoutParams for the root view in the XML. Returns The root View of the inflated hierarchy. If root was supplied..
Sending pictures to a web server http://stackoverflow.com/questions/5415390/sending-pictures-to-a-web-server service uploading file through HttpClient Web Service That Returns An Array of Objects With KSOAP For complex objects. Accessing..
How to get IP address of the device? http://stackoverflow.com/questions/6064510/how-to-get-ip-address-of-the-device baos.toByteArray finally try is.close catch Exception ex Returns MAC address of the given interface name. @param interfaceName..
How to store image retreived from url in a SQLite database? http://stackoverflow.com/questions/6815355/how-to-store-image-retreived-from-url-in-a-sqlite-database context. public ImageAdapter Context c this.myContext c Returns the amount of images we have defined. public int getCount return.. public long getItemId int position return position Returns a new ImageView to be displayed depending on the position.. new Gallery.LayoutParams 125 125 return i Returns the size 0.0f to 1.0f of the views depending on the 'offset'..
Why retrieving Google Directions for Android using KML data is not working anymore? [duplicate] http://stackoverflow.com/questions/11745314/why-retrieving-google-directions-for-android-using-kml-data-is-not-working-anymo using KML data since few days. The Error seems that the URL I'm requesting doesn't retreieve KML data anymore it returns a whole page. I followed this in order to achieve that. What is the solution for this Is there any alternatives android..
Android ACTION_IMAGE_CAPTURE Intent http://stackoverflow.com/questions/1910608/android-action-image-capture-intent native camera app to let the user take a new picture. It works just fine if we leave out the EXTRA_OUTPUT extra and returns the small Bitmap image. However if we putExtra EXTRA_OUTPUT ... on the intent before starting it everything works until..
How can I check the current status of the GPS receiver? http://stackoverflow.com/questions/2021176/how-can-i-check-the-current-status-of-the-gps-receiver called on 1.6 though. Simply counting all available satellites is of course useless. Checking if any of the satellites returns true for usedInFix isn't very helpful also. The system apparently loses the fix but still continue to report that there..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android process http developer.android.com intl de reference android app ActivityManager.html#getProcessMemoryInfo int This returns a low level MemoryInfo structure with all of this data The proportional set size for dalvik. public int dalvikPss The private..
How do I get the web page contents from a WebView? http://stackoverflow.com/questions/2376471/how-do-i-get-the-web-page-contents-from-a-webview the page source without requesting the page again It seems WebView should have some kind of getPageSource method that returns a string but alas it does not. If I enable JavaScript what is the appropriate JavaScript to put in this call to get the..
How to pick an image from gallery (SD Card) for my app in Android? http://stackoverflow.com/questions/2507898/how-to-pick-an-image-from-gallery-sd-card-for-my-app-in-android want MediaStore.Images.Media.DATA which is the path and then giving that string to the cursor query. The cursor query returns with the path but you don't know which column it's in until you use the columnIndex code. That simply gets the number of..
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview mode and EditText can never get focus even if you tap on it. To make matters worse calling editTextView.requestFocus returns true but in fact does not give the EditText focus. What I'm envisioning is basically a hybrid of 1 2 where rather than the..
Is there a unique Android device ID? http://stackoverflow.com/questions/2785485/is-there-a-unique-android-device-id a simple way to access it via java android uniqueidentifier share improve this question Settings.Secure#ANDROID_ID returns the Android ID as an unique 64 bit hex string. import android.provider.Settings.Secure private String android_id Secure.getString..
Launch custom android application from android browser http://stackoverflow.com/questions/2958701/launch-custom-android-application-from-android-browser error. And I'm not sure there's any way to check. Edit To answer your question you can use getIntent .getData which returns a Uri object. You can then use Uri. methods to extract the data you need. For example let's say the user clicked on a link..
Android: Is application running in background? http://stackoverflow.com/questions/3667022/android-is-application-running-in-background solution You can detect currently foreground background application with ActivityManager.getRunningAppProcesses which returns a list of RunningAppProcessInfo records. To determine if your application is on the foreground check RunningAppProcessInfo.importance..
Android - detect whether there is an Internet connection available [duplicate] http://stackoverflow.com/questions/4238921/android-detect-whether-there-is-an-internet-connection-available do something throws this error The constructor NetworkInfo is not visible. Safe bet is there is another class that returns a NetworkInfo object. But I don't know which. 3 questions do you know how to get the snippet of code above to work how could.. of detection android internet share improve this question The getActiveNetworkInfo method of ConnectivityManager returns a NetworkInfo instance representing the first connected network interface it can find or null if none if the interfaces.. first connected network interface it can find or null if none if the interfaces are connected. Checking if this method returns null should be enough to tell if an internet connection is available. private boolean isNetworkAvailable ConnectivityManager..
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 for result is a map. If I click on my button to launch the image preview load an image off the SD card the application returns from the activity back to the listview activity to the result handler to relaunch my new activity which is nothing more..
Android Listview with different layout for each row http://stackoverflow.com/questions/4777272/android-listview-with-different-layout-for-each-row you know how many types of layout you would have it's possible to use those methods. getViewTypeCount this methods returns information how many types of rows do you have in your list getItemViewType int position returns information which layout.. this methods returns information how many types of rows do you have in your list getItemViewType int position returns information which layout type you should use based on position Then you inflate layout only if it's null and determine type..
Find an external SD card location http://stackoverflow.com/questions/5694933/find-an-external-sd-card-location location of an external SD card Please do not be confused with External Storage . Environment.getExternalStorageState returns path to internal SD mount point like mnt sdcard . But the question is about external SD. How to get a path like mnt sdcard.. way is robust enough. android external sd card share improve this question Environment.getExternalStorageState returns path to internal SD mount point like mnt sdcard No Environment.getExternalStorageDirectory refers to whatever the device..
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 B is launched in front of activity A this callback will be invoked on A. B will not be created until A's onPause returns so be sure to not do anything lengthy here. onStop Called when you are no longer visible to the user. You will next receive..
Difference between getContext() , getApplicationContext() , getBaseContext() and “this” http://stackoverflow.com/questions/10641144/difference-between-getcontext-getapplicationcontext-getbasecontext-and give some easy examples if possible. android this android context share improve this question View.getContext Returns the context the view is currently running in. Usually the currently active Activity. Activity.getApplicationContext Returns.. the context the view is currently running in. Usually the currently active Activity. Activity.getApplicationContext Returns the context for the entire application the process all the Activities are running inside of . Use this instead of the current..
Android ViewPager - can't update dynamically http://stackoverflow.com/questions/10849552/android-viewpager-cant-update-dynamically container The containing View in which the page will be shown. position The page position to be instantiated. Returns Returns an Object representing the new page. This does not need to be a View but can be some other container of the page... container The containing View in which the page will be shown. position The page position to be instantiated. Returns Returns an Object representing the new page. This does not need to be a View but can be some other container of the page. But still..
dynamically add and remove view to viewpager http://stackoverflow.com/questions/13664155/dynamically-add-and-remove-view-to-viewpager int position Object object container.removeView views.get position Used by ViewPager can be used by app as well. Returns the total number of pages that the ViewPage can display. This must never be 0. @Override public int getCount return views.size.. public boolean isViewFromObject View view Object object return view object Add view to right end of views . Returns the position of the new view. The app should call this to add pages not used by ViewPager. public int addView View v return.. not used by ViewPager. public int addView View v return addView v views.size Add view at position to views . Returns position of new view. The app should call this to add pages not used by ViewPager. public int addView View v int position..
Playing HTML5 video on fullscreen in android webview http://stackoverflow.com/questions/15768837/playing-html5-video-on-fullscreen-in-android-webview onBackPressed and if it returns false the activity itself should handle it. Otherwise don't do anything. @return Returns true if the event was handled and false if was not video view is not visible public boolean onBackPressed if isVideoFullscreen..
Stop AsyncTask doInBackground method http://stackoverflow.com/questions/16538714/stop-asynctask-doinbackground-method this task should be interrupted in an attempt to stop the task. Use isCancelled public final boolean isCancelled Returns true if this task was cancelled before it completed normally. If you are calling cancel boolean on the task the value returned..
Retrieve Contact Phone Number From URI in Android http://stackoverflow.com/questions/3370628/retrieve-contact-phone-number-from-uri-in-android Intent.ACTION_PICK ContactsContract.CommonDataKinds.Phone.CONTENT_URI startActivityForResult i CONTACTS_REQUEST_CODE Returns the Log output content com.android.contacts data 6802 From which i pass the ID 6802 into a method which is designed to return..
How to crop an image in android? [duplicate] http://stackoverflow.com/questions/3846338/how-to-crop-an-image-in-android However I am unsure how to do this any suggestions android share improve this question From Bitmap.createBitmap Returns an immutable bitmap from the specified subset of the source bitmap. The new bitmap may be the same object as source or a..
Making sense of LayoutInflater http://stackoverflow.com/questions/5026926/making-sense-of-layoutinflater root parameter If false root is only used to create the correct subclass of LayoutParams for the root view in the XML. Returns The root View of the inflated hierarchy. If root was supplied and attachToRoot is true this is root otherwise it is the..
Sending pictures to a web server http://stackoverflow.com/questions/5415390/sending-pictures-to-a-web-server device. Calling simple web service in android. Calling web service uploading file through HttpClient Web Service That Returns An Array of Objects With KSOAP For complex objects. Accessing a JAX WS web service from Android How to Android as a RESTful..
How to get IP address of the device? http://stackoverflow.com/questions/6064510/how-to-get-ip-address-of-the-device return isUTF8 new String baos.toByteArray UTF 8 new String baos.toByteArray finally try is.close catch Exception ex Returns MAC address of the given interface name. @param interfaceName eth0 wlan0 or NULL use first interface @return mac address..
How to store image retreived from url in a SQLite database? http://stackoverflow.com/questions/6815355/how-to-store-image-retreived-from-url-in-a-sqlite-database in a SQLite database Simple Constructor saving the 'parent' context. public ImageAdapter Context c this.myContext c Returns the amount of images we have defined. public int getCount return this.myRemoteImages.length Use the array Positions as.. as unique IDs public Object getItem int position return position public long getItemId int position return position Returns a new ImageView to be displayed depending on the position passed. public View getView int position View convertView ViewGroup.. new Gallery.LayoutParams 450 300 return i else i.setLayoutParams new Gallery.LayoutParams 125 125 return i Returns the size 0.0f to 1.0f of the views depending on the 'offset' to the center. public float getScale boolean focused int..
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