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2014/10/16 คWคศ 08:13:14
android Programming Glossary: exhttp post method passing null values to the server http://stackoverflow.com/questions/13134019/http-post-method-passing-null-values-to-the-server e e.printStackTrace Log.i Test url list url tag_text.setOnClickListener new OnClickListener public void onClick.. TODO Auto generated method stub Intent in new Intent context LinkWebView.class in.putExtra vendorUrl resultfinal context.startActivity.. LinkWebView.class in.putExtra vendorUrl resultfinal context.startActivity in postData tag_text.setTextSize 16 return..
How do I create a ListView with rounded corners in Android? http://stackoverflow.com/questions/1683185/how-do-i-create-a-listview-with-rounded-corners-in-android XML just add the following attribute to the container ex LinearLayout or to any fields android background @drawable customshape..
How to read contacts on Android 2.0 http://stackoverflow.com/questions/1721279/how-to-read-contacts-on-android-2-0 But I can't find a proper example of how to use it ex retrieve a list of all contacts on.. But I can't find a proper example of how to use it ex retrieve a list of all contacts on the phonebook . Anyone knows.. on the phonebook . Anyone knows where to find such an example android contacts android 2.0 share improve this question..
How to send email from my Android application? http://stackoverflow.com/questions/2197741/how-to-send-email-from-my-android-application rfc822 i.putExtra Intent.EXTRA_EMAIL new String recipient@example.com i.putExtra Intent.EXTRA_SUBJECT subject of email i.putExtra.. mail... catch android.content.ActivityNotFoundException ex Toast.makeText MyActivity.this There are no email clients installed... android.content.ActivityNotFoundException ex Toast.makeText MyActivity.this There are no email clients installed. Toast.LENGTH_SHORT..
How to get Memory usage and CPU usage in android? http://stackoverflow.com/questions/3118234/how-to-get-memory-usage-and-cpu-usage-in-android this.total currTotal this.idle currIdle catch IOException ex ex.printStackTrace I will be very thankful for your anykind.. currTotal this.idle currIdle catch IOException ex ex.printStackTrace I will be very thankful for your anykind of..
What is the simplest and most robust way to get the user's current location in Android? http://stackoverflow.com/questions/3145089/what-is-the-simplest-and-most-robust-way-to-get-the-users-current-location-in-a listeners and timeout timer. It's 20 seconds in my example may not be enough for GPS so you can enlarge it. If I get.. import java.util.TimerTask import android.content.Context import android.location.Location import android.location.LocationListener.. network_enabled false public boolean getLocation Context context LocationResult result I use LocationResult callback..
http://stackoverflow.com/questions/4488338/webview-android-proxy getFieldValueSafely networkField null catch Exception ex Log.e ProxyManager.class.getName error getting network return.. requestQueueField network catch Exception ex Log.e ProxyManager.class.getName error getting field value return.. .getDeclaredField mProxyHost catch Exception ex Log.e ProxyManager.class.getName error getting proxy host field..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser language item title TitleOne title description CDATA Some text. description link http linktoarticle.com link item item title.. item title TitleTwo title description CDATA Some other text. description link http linktoanotherarticle.com link item channel.. or the android.sax implementation. I'm going to explain the pro's and con's of both after posting a short hander..
How to get IP address of the device? http://stackoverflow.com/questions/6064510/how-to-get-ip-address-of-the-device public class Utils Convert byte array to hex string @param bytes @return public static String bytesToHex.. string @param bytes @return public static String bytesToHex byte bytes StringBuilder sbuf new StringBuilder for int idx.. 0xff if intVal 0x10 sbuf.append 0 sbuf.append Integer.toHexString intVal .toUpperCase return sbuf.toString Get utf8 byte..
How to call a local web service from an Android mobile application http://stackoverflow.com/questions/7860887/how-to-call-a-local-web-service-from-an-android-mobile-application import android.widget.Button import android.widget.EditText public class Login extends Activity private static final String.. import android.widget.EditText public class Login extends Activity private static final String SOAP_ACTION http tempuri.org.. new OnClickListener public void onClick View v EditText etxt_user EditText findViewById R.id.usereditlog user_id etxt_user.getText..
How to support Arabic text in Android? http://stackoverflow.com/questions/7962704/how-to-support-arabic-text-in-android to support Arabic text in Android I am getting Arabic text from server successfully... to support Arabic text in Android I am getting Arabic text from server successfully. Retrieved text I want display in.. getting Arabic text from server successfully. Retrieved text I want display in code but its showing boxes instead of Arabic..
Can i use the native libraries (installed in android stack) in my NDK application? http://stackoverflow.com/questions/10169336/can-i-use-the-native-libraries-installed-in-android-stack-in-my-ndk-applicatio which will be calling the routines of the existing library Ex. OpenGL Compile your code by linking it with the prebuilt library..
Fitting a camera preview to a SurfaceView larger than the display http://stackoverflow.com/questions/11321251/fitting-a-camera-preview-to-a-surfaceview-larger-than-the-display mHolder.getSurfaceFrame .height while parent is catch Exception e I am concerned that the only way to succeed in this.. you flip the to be instead you will achieve what you want. Ex if width previewHeight height previewWidth ... share improve..
How to ignore accent in SQLite query (Android) http://stackoverflow.com/questions/16282083/how-to-ignore-accent-in-sqlite-query-android sqlite but the problem is when I use accent in my string. Ex รกรกรก aaa AAA If I do SELECT FROM TB_MOVIE WHERE MOVIE_NAME LIKE..
How to implement pagination in Android listview http://stackoverflow.com/questions/16661662/how-to-implement-pagination-in-android-listview
Instantiating core Volley objects http://stackoverflow.com/questions/17336434/instantiating-core-volley-objects only have one instance of ImageCache and one ImageLoader Ex. public class ImageLoaderHelper private static ImageLoaderHelper..
Android Studio Project Structure (v.s. Eclipse Project Structure) http://stackoverflow.com/questions/17431838/android-studio-project-structure-v-s-eclipse-project-structure workspace but limited to what's relevant to your project . Ex HelloWorldProject if the name of the application you gave was.. with gradle installed in Windows the OS in my case . 5. External Libraries This is not actually a folder but a place where..
android get duration from maps.google.com directions http://stackoverflow.com/questions/2951007/android-get-duration-from-maps-google-com-directions dest dest 3 use the default color catch MalformedURLException e e.printStackTrace catch IOException e e.printStackTrace.. catch MalformedURLException e e.printStackTrace catch IOException e e.printStackTrace catch SAXException e e.printStackTrace.. catch IOException e e.printStackTrace catch SAXException e e.printStackTrace catch ParserConfigurationException..
Are the 4 Android buttons standard? Ex. back button, menu button http://stackoverflow.com/questions/3524758/are-the-4-android-buttons-standard-ex-back-button-menu-button the 4 Android buttons standard Ex. back button menu button Are the physical buttons that Android..
Android broadcast receiver not working http://stackoverflow.com/questions/5473634/android-broadcast-receiver-not-working register what kind of actions you need in the manifest. Ex receiver android name com.mytest.intentRec.MyIntentRec android..
How can I generate random number in specific range in Android? [duplicate] http://stackoverflow.com/questions/6029495/how-can-i-generate-random-number-in-specific-range-in-android no. in a specific range for use in my android application. Ex. Range Between 65 to 80 I try as per below code but it is not..
How to get HTML source code from url in android? http://stackoverflow.com/questions/6503574/how-to-get-html-source-code-from-url-in-android to do HttpResponse response httpclient.execute httpget Executeit HttpEntity entity response.getEntity InputStream is entity.getContent.. HttpClient to manage timeout and other stuff like that. Ex HttpParams httpParameters new BasicHttpParams HttpConnectionParams.setConnectionTimeout..
android - How to Logout from the application http://stackoverflow.com/questions/6826757/android-how-to-logout-from-the-application startActivity intent catch Exception ex2 System.out.println Not able to launch Registration.. startActivity intent catch Exception ex2 System.out.println Not able to launch Registration.. you can setResult to close previous one and same approach. Ex. You set result on logout menu press as finish To finish your..
How to add app's shortcut to the home screen http://stackoverflow.com/questions/6988511/how-to-add-apps-shortcut-to-the-home-screen Create an Intent of activity that should be called. Ex from cgeek Intent shortcutIntent new Intent shortcutIntent.setClassName.. shortcut itself Intent addIntent new Intent addIntent.putExtra Intent.EXTRA_SHORTCUT_INTENT shortcutIntent addIntent.putExtra.. Intent.EXTRA_SHORTCUT_INTENT shortcutIntent addIntent.putExtra Intent.EXTRA_SHORTCUT_NAME Shortcut Name addIntent.putExtra..
getExtractedText on inactive InputConnection warning on android http://stackoverflow.com/questions/8122625/getextractedtext-on-inactive-inputconnection-warning-on-android on inactive InputConnection warning on android I.. on android I get the following warning in my logcat. getExtractedText on inactive InputConnection I'm unable to find the.. entries stream out when I rapidly press the button. Ex editText.setText null The last line in my logcat above provides..
Send Current Location to server periodically in android http://stackoverflow.com/questions/9407309/send-current-location-to-server-periodically-in-android current location details lat long to server periodically Ex for every 5 minutes . Is there any best way I know how to get..
http post method passing null values to the server http://stackoverflow.com/questions/13134019/http-post-method-passing-null-values-to-the-server Log.i Test updated response response catch IOException e e.printStackTrace Log.i Test url list url tag_text.setOnClickListener new OnClickListener public void onClick View v TODO Auto generated method stub Intent in new Intent.. new OnClickListener public void onClick View v TODO Auto generated method stub Intent in new Intent context LinkWebView.class in.putExtra vendorUrl resultfinal context.startActivity in postData tag_text.setTextSize 16 return.. Auto generated method stub Intent in new Intent context LinkWebView.class in.putExtra vendorUrl resultfinal context.startActivity in postData tag_text.setTextSize 16 return view Hi i am new to android and I am trying to pass values..
How do I create a ListView with rounded corners in Android? http://stackoverflow.com/questions/1683185/how-do-i-create-a-listview-with-rounded-corners-in-android listView.setBackgroundResource R.drawable.customshape Through XML just add the following attribute to the container ex LinearLayout or to any fields android background @drawable customshape Hope someone finds it useful... share improve this..
How to read contacts on Android 2.0 http://stackoverflow.com/questions/1721279/how-to-read-contacts-on-android-2-0 is deprecated I have to use android.provider.ContactsContract But I can't find a proper example of how to use it ex retrieve a list of all contacts on the phonebook . Anyone knows where to find such an example .. is deprecated I have to use android.provider.ContactsContract But I can't find a proper example of how to use it ex retrieve a list of all contacts on the phonebook . Anyone knows where to find such an example android contacts android.. example of how to use it ex retrieve a list of all contacts on the phonebook . Anyone knows where to find such an example android contacts android 2.0 share improve this question First ensure that you have added uses permission android..
How to send email from my Android application? http://stackoverflow.com/questions/2197741/how-to-send-email-from-my-android-application Intent i new Intent Intent.ACTION_SEND i.setType message rfc822 i.putExtra Intent.EXTRA_EMAIL new String recipient@example.com i.putExtra Intent.EXTRA_SUBJECT subject of email i.putExtra Intent.EXTRA_TEXT body of email try startActivity Intent.createChooser.. body of email try startActivity Intent.createChooser i Send mail... catch android.content.ActivityNotFoundException ex Toast.makeText MyActivity.this There are no email clients installed. Toast.LENGTH_SHORT .show Otherwise you'll have to write.. try startActivity Intent.createChooser i Send mail... catch android.content.ActivityNotFoundException ex Toast.makeText MyActivity.this There are no email clients installed. Toast.LENGTH_SHORT .show Otherwise you'll have to write your own..
How to get Memory usage and CPU usage in android? http://stackoverflow.com/questions/3118234/how-to-get-memory-usage-and-cpu-usage-in-android currTotal total 100.0f currTotal total currIdle idle this.total currTotal this.idle currIdle catch IOException ex ex.printStackTrace I will be very thankful for your anykind of help. android share improve this question I use this.. currTotal total 100.0f currTotal total currIdle idle this.total currTotal this.idle currIdle catch IOException ex ex.printStackTrace I will be very thankful for your anykind of help. android share improve this question I use this function..
What is the simplest and most robust way to get the user's current location in Android? http://stackoverflow.com/questions/3145089/what-is-the-simplest-and-most-robust-way-to-get-the-users-current-location-in-a application manifest. If any provider is available I start location listeners and timeout timer. It's 20 seconds in my example may not be enough for GPS so you can enlarge it. If I get update from location listener I use the provided value. I.. And here's MyLocation class import java.util.Timer import java.util.TimerTask import android.content.Context import android.location.Location import android.location.LocationListener import android.location.LocationManager import.. LocationResult locationResult boolean gps_enabled false boolean network_enabled false public boolean getLocation Context context LocationResult result I use LocationResult callback class to pass location value from MyLocation to user code...
http://stackoverflow.com/questions/4488338/webview-android-proxy networkField networkClass.getDeclaredField sNetwork network getFieldValueSafely networkField null catch Exception ex Log.e ProxyManager.class.getName error getting network return false if network null Log.e ProxyManager.class.getName error.. .getDeclaredField mRequestQueue requestQueue getFieldValueSafely requestQueueField network catch Exception ex Log.e ProxyManager.class.getName error getting field value return false if requestQueue null Log.e ProxyManager.class.getName.. android.net.http.RequestQueue proxyHostField requestQueueClass .getDeclaredField mProxyHost catch Exception ex Log.e ProxyManager.class.getName error getting proxy host field return false synchronized synchronizer boolean temp proxyHostField.isAccessible..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser docs http someurl.com docs language SomeLanguage language item title TitleOne title description CDATA Some text. description link http linktoarticle.com link item item title TitleTwo title description CDATA Some other text. description.. Some text. description link http linktoarticle.com link item item title TitleTwo title description CDATA Some other text. description link http linktoanotherarticle.com link item channel rss Now you have two SAX implementations you can work.. SAX implementations you can work with. Either you use the org.xml.sax or the android.sax implementation. I'm going to explain the pro's and con's of both after posting a short hander example. android.sax Implementation Let's start with the android.sax..
How to get IP address of the device? http://stackoverflow.com/questions/6064510/how-to-get-ip-address-of-the-device import java.util. import org.apache.http.conn.util.InetAddressUtils public class Utils Convert byte array to hex string @param bytes @return public static String bytesToHex byte bytes StringBuilder sbuf new StringBuilder for int idx.. public class Utils Convert byte array to hex string @param bytes @return public static String bytesToHex byte bytes StringBuilder sbuf new StringBuilder for int idx 0 idx bytes.length idx int intVal bytes idx 0xff if intVal.. for int idx 0 idx bytes.length idx int intVal bytes idx 0xff if intVal 0x10 sbuf.append 0 sbuf.append Integer.toHexString intVal .toUpperCase return sbuf.toString Get utf8 byte array. @param str @return array of NULL if error was found..
How to call a local web service from an Android mobile application http://stackoverflow.com/questions/7860887/how-to-call-a-local-web-service-from-an-android-mobile-application android.view.View import android.view.View.OnClickListener import android.widget.Button import android.widget.EditText public class Login extends Activity private static final String SOAP_ACTION http tempuri.org GetLoginDetails private static.. android.view.View.OnClickListener import android.widget.Button import android.widget.EditText public class Login extends Activity private static final String SOAP_ACTION http tempuri.org GetLoginDetails private static final String METHOD_NAME.. Button findViewById R.id.regsubmitbtn signin.setOnClickListener new OnClickListener public void onClick View v EditText etxt_user EditText findViewById R.id.usereditlog user_id etxt_user.getText .toString EditText etxt_password EditText..
How to support Arabic text in Android? http://stackoverflow.com/questions/7962704/how-to-support-arabic-text-in-android to support Arabic text in Android I am getting Arabic text from server successfully. Retrieved text I want display in code but its showing boxes.. to support Arabic text in Android I am getting Arabic text from server successfully. Retrieved text I want display in code but its showing boxes instead of Arabic text. Assume that.. to support Arabic text in Android I am getting Arabic text from server successfully. Retrieved text I want display in code but its showing boxes instead of Arabic text. Assume that t array values are Arabic text from server...
Can i use the native libraries (installed in android stack) in my NDK application? http://stackoverflow.com/questions/10169336/can-i-use-the-native-libraries-installed-in-android-stack-in-my-ndk-applicatio like this Pull the library adb pull Write your native code which will be calling the routines of the existing library Ex. OpenGL Compile your code by linking it with the prebuilt library See NDK documentation file. It is very clearly written..
Fitting a camera preview to a SurfaceView larger than the display http://stackoverflow.com/questions/11321251/fitting-a-camera-preview-to-a-surfaceview-larger-than-the-display surfChange W H of holder child is mHolder.getSurfaceFrame .width mHolder.getSurfaceFrame .height while parent is catch Exception e I am concerned that the only way to succeed in this endeavor is to somehow render to an openGL surface but this..
How to ignore accent in SQLite query (Android) http://stackoverflow.com/questions/16282083/how-to-ignore-accent-in-sqlite-query-android Android I'm new in adnroid and I'm working on a query in sqlite but the problem is when I use accent in my string. Ex รกรกรก aaa AAA If I do SELECT FROM TB_MOVIE WHERE MOVIE_NAME LIKE ' a ' ORDER BY MOVIE_NAME It's return AAA aaa It's ignoring..
How to implement pagination in Android listview http://stackoverflow.com/questions/16661662/how-to-implement-pagination-in-android-listview
Instantiating core Volley objects http://stackoverflow.com/questions/17336434/instantiating-core-volley-objects make a singleton class wrapping some functionality so you only have one instance of ImageCache and one ImageLoader Ex. public class ImageLoaderHelper private static ImageLoaderHelper mInstance null private final ImageLoader mImageLoader private..
Android Studio Project Structure (v.s. Eclipse Project Structure) http://stackoverflow.com/questions/17431838/android-studio-project-structure-v-s-eclipse-project-structure This would be entire project context Eclipse Land Like your workspace but limited to what's relevant to your project . Ex HelloWorldProject if the name of the application you gave was HelloWorld 2. .idea This where project specific metadata is.. system's jar wrapper i.e. this jar is how AS communicates with gradle installed in Windows the OS in my case . 5. External Libraries This is not actually a folder but a place where Referenced Libraries Eclipse Land Referenced Libraries are..
android get duration from maps.google.com directions http://stackoverflow.com/questions/2951007/android-get-duration-from-maps-google-com-directions Log.d xxx pair pairs i mMapView01.getOverlays .add new MyOverLay dest dest 3 use the default color catch MalformedURLException e e.printStackTrace catch IOException e e.printStackTrace catch SAXException e e.printStackTrace catch ParserConfigurationException.. .add new MyOverLay dest dest 3 use the default color catch MalformedURLException e e.printStackTrace catch IOException e e.printStackTrace catch SAXException e e.printStackTrace catch ParserConfigurationException e e.printStackTrace.. use the default color catch MalformedURLException e e.printStackTrace catch IOException e e.printStackTrace catch SAXException e e.printStackTrace catch ParserConfigurationException e e.printStackTrace java android google maps duration map..
Are the 4 Android buttons standard? Ex. back button, menu button http://stackoverflow.com/questions/3524758/are-the-4-android-buttons-standard-ex-back-button-menu-button the 4 Android buttons standard Ex. back button menu button Are the physical buttons that Android phones come with standard Specifically the back menu home..
Android broadcast receiver not working http://stackoverflow.com/questions/5473634/android-broadcast-receiver-not-working that specify its exact class name. Old answer You should register what kind of actions you need in the manifest. Ex receiver android name com.mytest.intentRec.MyIntentRec android enabled true intent filter action android name your.intent..
How can I generate random number in specific range in Android? [duplicate] http://stackoverflow.com/questions/6029495/how-can-i-generate-random-number-in-specific-range-in-android number in a range Hello everyone I want to generate random no. in a specific range for use in my android application. Ex. Range Between 65 to 80 I try as per below code but it is not very use full. It also returns the value greater then max...
How to get HTML source code from url in android? http://stackoverflow.com/questions/6503574/how-to-get-html-source-code-from-url-in-android httpget new HttpGet http yoururl.com Set the action you want to do HttpResponse response httpclient.execute httpget Executeit HttpEntity entity response.getEntity InputStream is entity.getContent Create an InputStream with the response BufferedReader.. is.close Close the stream You can also add some params to the HttpClient to manage timeout and other stuff like that. Ex HttpParams httpParameters new BasicHttpParams HttpConnectionParams.setConnectionTimeout httpParameters 3000 3s max for connection..
android - How to Logout from the application http://stackoverflow.com/questions/6826757/android-how-to-logout-from-the-application new Intent logout.this act2.class intent.addFlags Intent.FLAG_ACTIVITY_CLEAR_TOP startActivity intent catch Exception ex2 System.out.println Not able to launch Registration Screen ex2.toString public boolean onCreateOptionsMenu.. intent new Intent act2.this act3.class intent.addFlags Intent.FLAG_ACTIVITY_CLEAR_TOP startActivity intent catch Exception ex2 System.out.println Not able to launch Registration Screen ex2.toString public boolean onCreateOptionsMenu.. . Here you can Finish your Activity. Again capturing here you can setResult to close previous one and same approach. Ex. You set result on logout menu press as finish To finish your current acivity setResult R.id.common_menu_logout Then on..
How to add app's shortcut to the home screen http://stackoverflow.com/questions/6988511/how-to-add-apps-shortcut-to-the-home-screen android name com.android.launcher.permission.INSTALL_SHORTCUT Create an Intent of activity that should be called. Ex from cgeek Intent shortcutIntent new Intent shortcutIntent.setClassName com.example.androidapp SampleIntent shortcutIntent.addFlags.. shortcutIntent.addFlags Intent.FLAG_ACTIVITY_CLEAR_TOP Create shortcut itself Intent addIntent new Intent addIntent.putExtra Intent.EXTRA_SHORTCUT_INTENT shortcutIntent addIntent.putExtra Intent.EXTRA_SHORTCUT_NAME Shortcut Name addIntent.putExtra.. itself Intent addIntent new Intent addIntent.putExtra Intent.EXTRA_SHORTCUT_INTENT shortcutIntent addIntent.putExtra Intent.EXTRA_SHORTCUT_NAME Shortcut Name addIntent.putExtra Intent.EXTRA_SHORTCUT_ICON_RESOURCE Intent.ShortcutIconResource.fromContext..
getExtractedText on inactive InputConnection warning on android http://stackoverflow.com/questions/8122625/getextractedtext-on-inactive-inputconnection-warning-on-android on inactive InputConnection warning on android I get the following warning in my logcat. getExtractedText on.. on inactive InputConnection warning on android I get the following warning in my logcat. getExtractedText on inactive InputConnection I'm unable to find the reason behind it. Please help java android logcat share.. when user presses a button. Lots of inactive InputConnection entries stream out when I rapidly press the button. Ex editText.setText null The last line in my logcat above provides a great indication of what is happening. Sure enough the..
Send Current Location to server periodically in android http://stackoverflow.com/questions/9407309/send-current-location-to-server-periodically-in-android Location to server periodically in android I have to send my current location details lat long to server periodically Ex for every 5 minutes . Is there any best way I know how to get the current location how to send the details to server. But..
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