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2014/10/16 ¤W¤È 08:27:24
android Programming Glossary: voidSaving Activity state in Android http://stackoverflow.com/questions/151777/saving-activity-state-in-android when the activity is first created. @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState.. change to the Bundle parameter like this @Override public void onSaveInstanceState Bundle savedInstanceState super.onSaveInstanceState.. where you'd extract the values like this @Override public void onRestoreInstanceState Bundle savedInstanceState super.onRestoreInstanceState..
Sending Email in Android using JavaMail API without using the default/built-in app http://stackoverflow.com/questions/2020088/sending-email-in-android-using-javamail-api-without-using-the-default-built-in-a when the activity is first created. @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState.. send.setOnClickListener new View.OnClickListener public void onClick View v TODO Auto generated method stub try GMailSender.. PasswordAuthentication user password public synchronized void sendMail String subject String body String sender String recipients..
How do I do a lazy load of images in ListView http://stackoverflow.com/questions/541966/how-do-i-do-a-lazy-load-of-images-in-listview .getSimpleName fetchDrawable failed e return null public void fetchDrawableOnThread final String urlString final ImageView.. final Handler handler new Handler @Override public void handleMessage Message message imageView.setImageDrawable Drawable.. message.obj Thread thread new Thread @Override public void run TODO set imageView to a pending image Drawable drawable..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables onCreate method I added the following condition public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState.. the login form terminates looks like this @Override public void onActivityResult int requestCode int resultCode Intent data.. anyone know how to set the variable global in order to avoid login form appearing after the user already successfully authenticates..
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application databases this.mContext context public void createDataBase throws IOException If database not exists copy.. dbFile.exists Copy the database from assets private void copyDataBase throws IOException InputStream mInput mContext.getAssets.. return mDataBase null @Override public synchronized void close if mDataBase null mDataBase.close super.close Write..
Android - basic gesture detection http://stackoverflow.com/questions/937313/android-basic-gesture-detection View.OnTouchListener gestureListener @Override protected void onCreate Bundle savedInstanceState super.onCreate savedInstanceState.. activity and the onFling of the gesture listener. public void onClick View v Filter f Filter v.getTag FilterFullscreenActivity.show..
How to check internet access on Android? InetAddress never timeouts http://stackoverflow.com/questions/1560788/how-to-check-internet-access-on-android-inetaddress-never-timeouts public class HostAvailabilityTask extends AsyncTask String Void Boolean private Main main public HostAvailabilityTask Main main..
How do I return a boolean from AsyncTask? http://stackoverflow.com/questions/16752073/how-do-i-return-a-boolean-from-asynctask AsyncTask public class AsyncConnectTask extends AsyncTask Void Void Void private Context mContext private FTPHelper ftpHelper.. public class AsyncConnectTask extends AsyncTask Void Void Void private Context mContext private FTPHelper ftpHelper new.. public class AsyncConnectTask extends AsyncTask Void Void Void private Context mContext private FTPHelper ftpHelper new FTPHelper..
http://stackoverflow.com/questions/16789676/caching-images-and-displaying lv private class ProgressTask extends AsyncTask String Void Boolean private ProgressDialog dialog public ProgressTask ListActivity..
Inner class can access but not update values - AsyncTask http://stackoverflow.com/questions/18517400/inner-class-can-access-but-not-update-values-asynctask index Class Decompress class Decompress extends AsyncTask Void Integer Boolean private ProgressDialog pd null private Context.. pd.show @Override protected Boolean doInBackground Void... params unzip operation goes here. unzipDest something unzip..
http://stackoverflow.com/questions/1979524/android-splashscreen here private class DownloadTask extends AsyncTask String Void Object protected Object doInBackground String... args Log.i..
Sending Email in Android using JavaMail API without using the default/built-in app http://stackoverflow.com/questions/2020088/sending-email-in-android-using-javamail-api-without-using-the-default-built-in-a new java.security.PrivilegedAction Void public Void run put SSLContext.TLS org.apache.harmony.xnet.provider.jsse.SSLContextImpl.. new java.security.PrivilegedAction Void public Void run put SSLContext.TLS org.apache.harmony.xnet.provider.jsse.SSLContextImpl..
Ideal way to cancel an executing AsyncTask http://stackoverflow.com/questions/2735102/ideal-way-to-cancel-an-executing-asynctask Great. So... public class MyTask extends AsyncTask Void Void Void private volatile boolean running true private final.. Great. So... public class MyTask extends AsyncTask Void Void Void private volatile boolean running true private final ProgressDialog.. So... public class MyTask extends AsyncTask Void Void Void private volatile boolean running true private final ProgressDialog..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible Activity class PrinterTask extends AsyncTask String Void Void protected Void doInBackground String ... x while true System.out.println.. Activity class PrinterTask extends AsyncTask String Void Void protected Void doInBackground String ... x while true System.out.println.. PrinterTask extends AsyncTask String Void Void protected Void doInBackground String ... x while true System.out.println x..
http://stackoverflow.com/questions/4538338/progressdialog-in-asynctask after public class ProgressTask extends AsyncTask String Void Boolean public ProgressTask ListActivity activity this.activity..
http://stackoverflow.com/questions/9671546/asynctask-android-example private class LongOperation extends AsyncTask String Void String @Override protected String doInBackground String... params.. onPreExecute @Override protected void onProgressUpdate Void... values I am just trying to change the label after 5 seconds.. private class LongOperation extends AsyncTask String Void String @Override protected String doInBackground String... params..
Saving Activity state in Android http://stackoverflow.com/questions/151777/saving-activity-state-in-android public class HelloAndroid extends Activity Called when the activity is first created. @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState mTextView new TextView this if savedInstanceState null.. and write the application state values you want to change to the Bundle parameter like this @Override public void onSaveInstanceState Bundle savedInstanceState super.onSaveInstanceState savedInstanceState Save UI state changes to the.. get passed in to onCreate and also onRestoreInstanceState where you'd extract the values like this @Override public void onRestoreInstanceState Bundle savedInstanceState super.onRestoreInstanceState savedInstanceState Restore UI state from the..
Sending Email in Android using JavaMail API without using the default/built-in app http://stackoverflow.com/questions/2020088/sending-email-in-android-using-javamail-api-without-using-the-default-built-in-a public class MailSenderActivity extends Activity Called when the activity is first created. @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main final Button send Button.. final Button send Button this.findViewById R.id.send send.setOnClickListener new View.OnClickListener public void onClick View v TODO Auto generated method stub try GMailSender sender new GMailSender username@gmail.com password sender.sendMail.. PasswordAuthentication getPasswordAuthentication return new PasswordAuthentication user password public synchronized void sendMail String subject String body String sender String recipients throws Exception try MimeMessage message new MimeMessage..
How do I do a lazy load of images in ListView http://stackoverflow.com/questions/541966/how-do-i-do-a-lazy-load-of-images-in-listview e return null catch IOException e Log.e this.getClass .getSimpleName fetchDrawable failed e return null public void fetchDrawableOnThread final String urlString final ImageView imageView if drawableMap.containsKey urlString imageView.setImageDrawable.. urlString imageView.setImageDrawable drawableMap.get urlString final Handler handler new Handler @Override public void handleMessage Message message imageView.setImageDrawable Drawable message.obj Thread thread new Thread @Override public.. Message message imageView.setImageDrawable Drawable message.obj Thread thread new Thread @Override public void run TODO set imageView to a pending image Drawable drawable fetchDrawable urlString Message message handler.obtainMessage..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables I created the main and the login activity. In the main activity onCreate method I added the following condition public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main ... loadSettings if strSessionString.. ... The onActivityResult method which is executed when the login form terminates looks like this @Override public void onActivityResult int requestCode int resultCode Intent data super.onActivityResult requestCode resultCode data switch requestCode.. and I guess the problem is the variable strSessionString. Does anyone know how to set the variable global in order to avoid login form appearing after the user already successfully authenticates Thanks android singleton global variables state..
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application .dataDir databases else DB_PATH data data context.getPackageName databases this.mContext context public void createDataBase throws IOException If database not exists copy it from the assets boolean mDataBaseExist checkDataBase if.. new File DB_PATH DB_NAME Log.v dbFile dbFile dbFile.exists return dbFile.exists Copy the database from assets private void copyDataBase throws IOException InputStream mInput mContext.getAssets .open DB_NAME String outFileName DB_PATH DB_NAME.. mPath null SQLiteDatabase.NO_LOCALIZED_COLLATORS return mDataBase null @Override public synchronized void close if mDataBase null mDataBase.close super.close Write a DataAdapter class like import java.io.IOException import android.content.Context..
Android - basic gesture detection http://stackoverflow.com/questions/937313/android-basic-gesture-detection 200 private GestureDetector gestureDetector View.OnTouchListener gestureListener @Override protected void onCreate Bundle savedInstanceState super.onCreate savedInstanceState ... Gesture detection gestureDetector new GestureDetector.. overridden methods are hit both the onClick View v 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..
How to check internet access on Android? InetAddress never timeouts http://stackoverflow.com/questions/1560788/how-to-check-internet-access-on-android-inetaddress-never-timeouts the doInBackground is never timed out. Anyone have a clue public class HostAvailabilityTask extends AsyncTask String Void Boolean private Main main public HostAvailabilityTask Main main this.main main protected Boolean doInBackground String.....
How do I return a boolean from AsyncTask? http://stackoverflow.com/questions/16752073/how-do-i-return-a-boolean-from-asynctask Connection Failed status Toast.LENGTH_LONG .show And my AsyncTask public class AsyncConnectTask extends AsyncTask Void Void Void private Context mContext private FTPHelper ftpHelper new FTPHelper private String _address private String _user.. Failed status Toast.LENGTH_LONG .show And my AsyncTask public class AsyncConnectTask extends AsyncTask Void Void Void private Context mContext private FTPHelper ftpHelper new FTPHelper private String _address private String _user private.. Failed status Toast.LENGTH_LONG .show And my AsyncTask public class AsyncConnectTask extends AsyncTask Void Void Void private Context mContext private FTPHelper ftpHelper new FTPHelper private String _address private String _user private..
http://stackoverflow.com/questions/16789676/caching-images-and-displaying String jsonlist new ArrayList HashMap String String ListView lv private class ProgressTask extends AsyncTask String Void Boolean private ProgressDialog dialog public ProgressTask ListActivity activity Log.i 1 Called context activity dialog new..
Inner class can access but not update values - AsyncTask http://stackoverflow.com/questions/18517400/inner-class-can-access-but-not-update-values-asynctask workThread.execute if unzip operation was successful display index Class Decompress class Decompress extends AsyncTask Void Integer Boolean private ProgressDialog pd null private Context mContext private String loc private int nEntries private.. Log.v this.toString Showing dialog and exiting. pd.show @Override protected Boolean doInBackground Void... params unzip operation goes here. unzipDest something unzip destination is set here. if unzip operation is successful..
http://stackoverflow.com/questions/1979524/android-splashscreen DownloadTask .execute Any parameters my download task needs here private class DownloadTask extends AsyncTask String Void Object protected Object doInBackground String... args Log.i MyApp Background thread starting This is where you would do..
Sending Email in Android using JavaMail API without using the default/built-in app http://stackoverflow.com/questions/2020088/sending-email-in-android-using-javamail-api-without-using-the-default-built-in-a super HarmonyJSSE 1.0 Harmony JSSE Provider AccessController.doPrivileged new java.security.PrivilegedAction Void public Void run put SSLContext.TLS org.apache.harmony.xnet.provider.jsse.SSLContextImpl put Alg.Alias.SSLContext.TLSv1.. HarmonyJSSE 1.0 Harmony JSSE Provider AccessController.doPrivileged new java.security.PrivilegedAction Void public Void run put SSLContext.TLS org.apache.harmony.xnet.provider.jsse.SSLContextImpl put Alg.Alias.SSLContext.TLSv1 TLS put KeyManagerFactory.X509..
Ideal way to cancel an executing AsyncTask http://stackoverflow.com/questions/2735102/ideal-way-to-cancel-an-executing-asynctask cancel ... I've been using everywhere actually does nothing. Great. So... public class MyTask extends AsyncTask Void Void Void private volatile boolean running true private final ProgressDialog progressDialog public MyTask Context ctx progressDialog.. cancel ... I've been using everywhere actually does nothing. Great. So... public class MyTask extends AsyncTask Void Void Void private volatile boolean running true private final ProgressDialog progressDialog public MyTask Context ctx progressDialog.. ... I've been using everywhere actually does nothing. Great. So... public class MyTask extends AsyncTask Void Void Void private volatile boolean running true private final ProgressDialog progressDialog public MyTask Context ctx progressDialog..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible snippet to describe my problem public class AndroidJunk extends Activity class PrinterTask extends AsyncTask String Void Void protected Void doInBackground String ... x while true System.out.println x 0 try Thread.sleep 1000 catch InterruptedException.. to describe my problem public class AndroidJunk extends Activity class PrinterTask extends AsyncTask String Void Void protected Void doInBackground String ... x while true System.out.println x 0 try Thread.sleep 1000 catch InterruptedException.. my problem public class AndroidJunk extends Activity class PrinterTask extends AsyncTask String Void Void protected Void doInBackground String ... x while true System.out.println x 0 try Thread.sleep 1000 catch InterruptedException ie ie.printStackTrace..
http://stackoverflow.com/questions/4538338/progressdialog-in-asynctask all the work shows dialog before the work and dismiss it after public class ProgressTask extends AsyncTask String Void Boolean public ProgressTask ListActivity activity this.activity activity dialog new ProgressDialog context progress dialog..
http://stackoverflow.com/questions/9671546/asynctask-android-example this public void onClick View view new LongOperation .execute private class LongOperation extends AsyncTask String Void String @Override protected String doInBackground String... params for int i 0 i 5 i try Thread.sleep 1000 catch InterruptedException.. void onPostExecute String result @Override protected void onPreExecute @Override protected void onProgressUpdate Void... values I am just trying to change the label after 5 seconds in the background process. This is my main.xml xml version.. view.getId case R.id.button1 new LongOperation .execute break private class LongOperation extends AsyncTask String Void String @Override protected String doInBackground String... params for int i 0 i 5 i try Thread.sleep 1000 catch InterruptedException..
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