¡@
2014/10/16 ¤W¤È 08:14:36
android Programming Glossary: helperHow to run a Runnable thread in Android? http://stackoverflow.com/questions/1921514/how-to-run-a-runnable-thread-in-android to the message queue for execution and handler as just a helper object used to send that command. More details are here http..
J2ME/Android/BlackBerry - driving directions, route between two locations http://stackoverflow.com/questions/2023669/j2me-android-blackberry-driving-directions-route-between-two-locations Direction Route Path Also Andrea made a DrivingDirections helper classes for Android. I wrote a little helper for this functionality.. helper classes for Android. I wrote a little helper for this functionality in j2me so I would like to share my samples..
How to close Android application? http://stackoverflow.com/questions/2092951/how-to-close-android-application way to do this is put a method like the following in a helper class and then call it whenever the app needs to be killed... the HOME key is pressed by setting a flag to true in a helper class that assumes that the HOME key has been pressed then changing.. the SEARCH key. return false Here's an example of a helper class that handles the HOME key across the app package android.example..
Determining the current foreground application from a background task or service http://stackoverflow.com/questions/2166961/determining-the-current-foreground-application-from-a-background-task-or-service found app is still the active app. isRunningService a helper function for getForegroundApp this hopefully answers this issue..
Get/pick an image from Android's built-in Gallery app programmatically http://stackoverflow.com/questions/2169649/get-pick-an-image-from-androids-built-in-gallery-app-programmatically selectedImagePath getPath selectedImageUri helper to retrieve the path of an image URI public String getPath Uri..
http://stackoverflow.com/questions/2253061/secure-http-post-in-android HTTP Post in Android I have a pretty basic helper class that I'm using to do all my Http Get Post stuff. I'm using.. I'm not sure why you can't handle HTTPS. I wrote a helper class for my own applications and I am able to GET POST to HTTPS..
How to make an ImageView to have rounded corners http://stackoverflow.com/questions/2459916/how-to-make-an-imageview-to-have-rounded-corners I've used it and it's works wonderfully. I used it as a helper within an ImageHelper class and extended it just a bit to pass..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android get the write database connection regardless. So one helper instance one db connection. Even if you use it from multiple.. to the actual on disk database are serialized. So one helper one db connection which is serialized in java code. One thread.. in java code. One thread 1000 threads if you use one helper instance shared between them all of your db access code is serial...
How to change the font on the TextView? http://stackoverflow.com/questions/2888508/how-to-change-the-font-on-the-textview
Where can I browse Android source code on-line? [closed] http://stackoverflow.com/questions/449763/where-can-i-browse-android-source-code-on-line To get all the code locally you can use the repo helper program or you can just clone individual repositories. And others..
http://stackoverflow.com/questions/5734721/android-shared-preferences read the ones you need in the new activity. Create a helper class that handles all shared preferences calls for all your..
How to get IP address of the device? http://stackoverflow.com/questions/6064510/how-to-get-ip-address-of-the-device ip address share improve this question This is my helper util to read IP and MAC addresses. Implementation is pure java..
ViewPager and fragments ??what's the right way to store fragment's state? http://stackoverflow.com/questions/7951730/viewpager-and-fragments-whats-the-right-way-to-store-fragments-state selectedMessage startActivity intent BasePagerActivity aka helper public class BasePagerActivity extends FragmentActivity BasePagerAdapter..
How to capture and save an image using custom camera in Android? http://stackoverflow.com/questions/10913682/how-to-capture-and-save-an-image-using-custom-camera-in-android onClick View v mCamera.takePicture null null mPicture Helper method to access the camera returns null if it cannot get the..
How to align TextView around an ImageView? http://stackoverflow.com/questions/11494158/how-to-align-textview-around-an-imageview wrap_content android id @ id icon RelativeLayout Helper class implements LeadingMarginSpan.LeadingMarginSpan2 class..
How many Activities vs Fragments? http://stackoverflow.com/questions/12363790/how-many-activities-vs-fragments pattern than the one suggested by the basic tutorial. Helper function to show the details of a selected item either by displaying..
Picasso loading of image spawned inside AsyncTask http://stackoverflow.com/questions/18808114/picasso-loading-of-image-spawned-inside-asynctask recipients return convertView region Helper Methods private ViewHolder bindUIElements View convertView ViewHolder.. recipients return convertView region Helper Methods private ViewHolder bindUIElements View convertView ViewHolder..
How to close Android application? http://stackoverflow.com/questions/2092951/how-to-close-android-application Kill application when the root activity is killed. UIHelper.killApp true Here's an abstract activity that can be extended.. to this activity so the HOME key was not pressed. UIHelper.checkJustLaunced public void finish This can only invoked by.. from the activity so the HOME key was not pressed. UIHelper.homeKeyPressed false super.finish public void onStop super.onStop..
Android - Images from Assets folder in a GridView http://stackoverflow.com/questions/2752924/android-images-from-assets-folder-in-a-gridview imgView return borderImg end of class GalleryAdapter Helper Functions @throws IOException private Bitmap getBitmapFromAsset..
What is a Full Android Database Helper class for an existing SQLite database? [closed] http://stackoverflow.com/questions/3548533/what-is-a-full-android-database-helper-class-for-an-existing-sqlite-database is a Full Android Database Helper class for an existing SQLite database closed I'm trying to.. as advertised. Does anyone have a Full Android Database Helper class for deploying an existing SQLite database on Android .. import android.database.sqlite.SQLiteOpenHelper import android.util.Log public class AnyDBAdapter private static..
Updating prepopulated database in Android http://stackoverflow.com/questions/4189956/updating-prepopulated-database-in-android Here is the code I am using public class DataBaseHelper extends SQLiteOpenHelper private static final String DB_PATH.. I am using public class DataBaseHelper extends SQLiteOpenHelper private static final String DB_PATH data data com.project.mydb.. int DB_VERSION 6 private static final String TAG DataBaseHelper int id 0 Random random new Random private SQLiteDatabase myDataBase..
Android: can I use one SQLiteOpenHelper class for multiple database files? http://stackoverflow.com/questions/4234030/android-can-i-use-one-sqliteopenhelper-class-for-multiple-database-files can I use one SQLiteOpenHelper class for multiple database files My app uses two databases.. files . To handle these databases I have created two Helper classes which extend SQLiteOpenHelper one for each database... I have created two Helper classes which extend SQLiteOpenHelper one for each database. I am now going to add a third database..
SQLiteDatabase close() function causing NullPointerException when multiple threads http://stackoverflow.com/questions/7999075/sqlitedatabase-close-function-causing-nullpointerexception-when-multiple-threa String CalculonDatabase callDetailsOpenHelper CalculonDatabase.getInstance mContext SQLiteDatabase dbw callDetailsOpenHelper.getWritableDatabase.. mContext SQLiteDatabase dbw callDetailsOpenHelper.getWritableDatabase long rowid 0 try rowid dbw.insertWithOnConflict.. It is that simple. Make sure you only have one repeat one Helper instance per application. Share it with all threads. http www.touchlab.co..
http://stackoverflow.com/questions/8294110/taking-screenshot e catch IOException e Log.e Panel IOEception e Helper method to ensure that the given path exists. TODO check external..
How to run a Runnable thread in Android? http://stackoverflow.com/questions/1921514/how-to-run-a-runnable-thread-in-android your runnable object just as a command that can be sent to the message queue for execution and handler as just a helper object used to send that command. More details are here http developer.android.com reference android os Handler.html share..
J2ME/Android/BlackBerry - driving directions, route between two locations http://stackoverflow.com/questions/2023669/j2me-android-blackberry-driving-directions-route-between-two-locations query gmaps for kml file and parse it Android Driving Direction Route Path Also Andrea made a DrivingDirections helper classes for Android. I wrote a little helper for this functionality in j2me so I would like to share my samples on Android.. Android Driving Direction Route Path Also Andrea made a DrivingDirections helper classes for Android. I wrote a little helper for this functionality in j2me so I would like to share my samples on Android and BlackBerry. UPDATE As it was stated in..
How to close Android application? http://stackoverflow.com/questions/2092951/how-to-close-android-application android.os.Process.myPid if you prefer. The best way to do this is put a method like the following in a helper class and then call it whenever the app needs to be killed. For example in the destroy method of the root activity assuming.. from leaving their application. However you can determine with the HOME key is pressed by setting a flag to true in a helper class that assumes that the HOME key has been pressed then changing the flag to false when an event occurs that shows the.. true public boolean onSearchRequested Disable the SEARCH key. return false Here's an example of a helper class that handles the HOME key across the app package android.example @author Danny Remington MacroSolve Helper class..
Determining the current foreground application from a background task or service http://stackoverflow.com/questions/2166961/determining-the-current-foreground-application-from-a-background-task-or-service activity of the found app. isStillActive determines if a earlier found app is still the active app. isRunningService a helper function for getForegroundApp this hopefully answers this issue in all extend private RunningAppProcessInfo getForegroundApp..
Get/pick an image from Android's built-in Gallery app programmatically http://stackoverflow.com/questions/2169649/get-pick-an-image-from-androids-built-in-gallery-app-programmatically if requestCode SELECT_PICTURE Uri selectedImageUri data.getData selectedImagePath getPath selectedImageUri helper to retrieve the path of an image URI public String getPath Uri uri just some safety built in if uri null TODO perform..
http://stackoverflow.com/questions/2253061/secure-http-post-in-android HTTP Post in Android I have a pretty basic helper class that I'm using to do all my Http Get Post stuff. I'm using HttpGet HttpPost and HttpClient from the org.apache.http.. java android post https security share improve this question I'm not sure why you can't handle HTTPS. I wrote a helper class for my own applications and I am able to GET POST to HTTPS without a problem. I will post the code here and perhaps..
How to make an ImageView to have rounded corners http://stackoverflow.com/questions/2459916/how-to-make-an-imageview-to-have-rounded-corners your images. http www.ruibm.com p 184 This isn't my code but I've used it and it's works wonderfully. I used it as a helper within an ImageHelper class and extended it just a bit to pass in the amount of feathering I need for a given image. Final..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android connection but it really doesn't. Call the read only and you'll get the write database connection regardless. So one helper instance one db connection. Even if you use it from multiple threads one connection at a time. The SqliteDatabase object.. access serialized. So if 100 threads have one db instance calls to the actual on disk database are serialized. So one helper one db connection which is serialized in java code. One thread 1000 threads if you use one helper instance shared between.. serialized. So one helper one db connection which is serialized in java code. One thread 1000 threads if you use one helper instance shared between them all of your db access code is serial. And life is good ish . If you try to write to the database..
How to change the font on the TextView? http://stackoverflow.com/questions/2888508/how-to-change-the-font-on-the-textview
Where can I browse Android source code on-line? [closed] http://stackoverflow.com/questions/449763/where-can-i-browse-android-source-code-on-line been removed and it now only points you to clonable git repositories. To get all the code locally you can use the repo helper program or you can just clone individual repositories. And others Downloading the Source Tree share improve this answer..
http://stackoverflow.com/questions/5734721/android-shared-preferences pass them to the activity via the intent call or you should read the ones you need in the new activity. Create a helper class that handles all shared preferences calls for all your activities. Then instantiate an instance of it on any activity..
How to get IP address of the device? http://stackoverflow.com/questions/6064510/how-to-get-ip-address-of-the-device to get the IP address of the device using some code android ip address share improve this question This is my helper util to read IP and MAC addresses. Implementation is pure java but I have a comment block in getMACAddress how could read..
ViewPager and fragments ??what's the right way to store fragment's state? http://stackoverflow.com/questions/7951730/viewpager-and-fragments-whats-the-right-way-to-store-fragments-state StreamActivity.class intent.putExtra Message.class.getName selectedMessage startActivity intent BasePagerActivity aka helper public class BasePagerActivity extends FragmentActivity BasePagerAdapter mPagerAdapter ViewPager mPager Adapter public class..
How to capture and save an image using custom camera in Android? http://stackoverflow.com/questions/10913682/how-to-capture-and-save-an-image-using-custom-camera-in-android new View.OnClickListener @Override public void onClick View v mCamera.takePicture null null mPicture Helper method to access the camera returns null if it cannot get the camera or does not exist @return private Camera getCameraInstance..
How to align TextView around an ImageView? http://stackoverflow.com/questions/11494158/how-to-align-textview-around-an-imageview icon android layout_width wrap_content android layout_height wrap_content android id @ id icon RelativeLayout Helper class implements LeadingMarginSpan.LeadingMarginSpan2 class MyLeadingMarginSpan2 implements LeadingMarginSpan.LeadingMarginSpan2..
How many Activities vs Fragments? http://stackoverflow.com/questions/12363790/how-many-activities-vs-fragments the Fragment is placed into. This makes it a more powerful pattern than the one suggested by the basic tutorial. Helper function to show the details of a selected item either by displaying a fragment in place in the current UI or starting a..
Picasso loading of image spawned inside AsyncTask http://stackoverflow.com/questions/18808114/picasso-loading-of-image-spawned-inside-asynctask new AddressFetcherTask viewHolder position viewHolder.task.execute recipients return convertView region Helper Methods private ViewHolder bindUIElements View convertView ViewHolder viewHolder new ViewHolder viewHolder.contactBadge.. new AddressFetcherTask viewHolder position viewHolder.task.execute recipients return convertView region Helper Methods private ViewHolder bindUIElements View convertView ViewHolder viewHolder new ViewHolder viewHolder.contactBadge..
How to close Android application? http://stackoverflow.com/questions/2092951/how-to-close-android-application extends CustomActivity public void onDestroy super.onDestroy Kill application when the root activity is killed. UIHelper.killApp true Here's an abstract activity that can be extended to handle the HOME key for all activities that extend it.. user or the app occurs. Otherwise the user or the app navigated to this activity so the HOME key was not pressed. UIHelper.checkJustLaunced public void finish This can only invoked by the user or the app finishing the activity by navigating from.. by the user or the app finishing the activity by navigating from the activity so the HOME key was not pressed. UIHelper.homeKeyPressed false super.finish public void onStop super.onStop Check if the HOME key was pressed. If the HOME key was..
Android - Images from Assets folder in a GridView http://stackoverflow.com/questions/2752924/android-images-from-assets-folder-in-a-gridview borderImg.setBackgroundColor 0xff000000 black borderImg.addView imgView return borderImg end of class GalleryAdapter Helper Functions @throws IOException private Bitmap getBitmapFromAsset String strName throws IOException AssetManager assetManager..
What is a Full Android Database Helper class for an existing SQLite database? [closed] http://stackoverflow.com/questions/3548533/what-is-a-full-android-database-helper-class-for-an-existing-sqlite-database is a Full Android Database Helper class for an existing SQLite database closed I'm trying to deploy an application with an existing SQLite database. I've.. are always missing some code and either do not compile or work as advertised. Does anyone have a Full Android Database Helper class for deploying an existing SQLite database on Android android database sqlite setup share improve this question.. import android.database.sqlite.SQLiteException import android.database.sqlite.SQLiteOpenHelper import android.util.Log public class AnyDBAdapter private static final String TAG AnyDBAdapter private DatabaseHelper mDbHelper..
Updating prepopulated database in Android http://stackoverflow.com/questions/4189956/updating-prepopulated-database-in-android code android sqlite android assets share improve this question Here is the code I am using public class DataBaseHelper extends SQLiteOpenHelper private static final String DB_PATH data data com.project.mydb databases private static final String.. assets share improve this question Here is the code I am using public class DataBaseHelper extends SQLiteOpenHelper private static final String DB_PATH data data com.project.mydb databases private static final String DB_NAME mydb.db private.. static final String DB_TABLE words private static final int DB_VERSION 6 private static final String TAG DataBaseHelper int id 0 Random random new Random private SQLiteDatabase myDataBase private final Context myContext public DataBaseHelper..
Android: can I use one SQLiteOpenHelper class for multiple database files? http://stackoverflow.com/questions/4234030/android-can-i-use-one-sqliteopenhelper-class-for-multiple-database-files can I use one SQLiteOpenHelper class for multiple database files My app uses two databases separate files . To handle these databases I have created two.. for multiple database files My app uses two databases separate files . To handle these databases I have created two Helper classes which extend SQLiteOpenHelper one for each database. I am now going to add a third database and wonder whether I.. uses two databases separate files . To handle these databases I have created two Helper classes which extend SQLiteOpenHelper one for each database. I am now going to add a third database and wonder whether I need to create yet another Helper class..
SQLiteDatabase close() function causing NullPointerException when multiple threads http://stackoverflow.com/questions/7999075/sqlitedatabase-close-function-causing-nullpointerexception-when-multiple-threa String values.put CallDetailsStorageConstants.COLUMN_NAME_REMOTE_MEETINGID_IDX String CalculonDatabase callDetailsOpenHelper CalculonDatabase.getInstance mContext SQLiteDatabase dbw callDetailsOpenHelper.getWritableDatabase long rowid 0 try rowid.. String CalculonDatabase callDetailsOpenHelper CalculonDatabase.getInstance mContext SQLiteDatabase dbw callDetailsOpenHelper.getWritableDatabase long rowid 0 try rowid dbw.insertWithOnConflict CallDetailsTable.CALL_DETAILS_TABLE_NAME null values.. this question I have your answers Never close the db. It is that simple. Make sure you only have one repeat one Helper instance per application. Share it with all threads. http www.touchlab.co blog single sqlite connection Here's some more..
http://stackoverflow.com/questions/8294110/taking-screenshot catch FileNotFoundException e Log.e Panel FileNotFoundException e catch IOException e Log.e Panel IOEception e Helper method to ensure that the given path exists. TODO check external storage state private boolean ensureSDCardAccess File file..
|