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2014/10/16 ¤W¤È 08:21:12
android Programming Glossary: paramsHow ListView's recycling mechanism works http://stackoverflow.com/questions/11945563/how-listviews-recycling-mechanism-works TextView DayViewActivity.this LinearLayout.LayoutParams params new LinearLayout.LayoutParams 0 int TypedValue.applyDimension.. 62 getResources .getDisplayMetrics 1.0f params.topMargin int TypedValue.applyDimension TypedValue.COMPLEX_UNIT_DIP.. 1 getResources .getDisplayMetrics params.bottomMargin int TypedValue.applyDimension TypedValue.COMPLEX_UNIT_DIP..
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 this.main main protected Boolean doInBackground String... params Main.Log doInBackground isHostAvailable params 0 try return.. String... params Main.Log doInBackground isHostAvailable params 0 try return InetAddress.getByName params 0 .isReachable 30.. isHostAvailable params 0 try return InetAddress.getByName params 0 .isReachable 30 catch UnknownHostException e e.printStackTrace..
Launch custom android application from android browser http://stackoverflow.com/questions/2958701/launch-custom-android-application-from-android-browser http String host data.getHost twitter.com List String params data.getPathSegments String first params.get 0 status String.. List String params data.getPathSegments String first params.get 0 status String second params.get 1 1234 You can do the.. String first params.get 0 status String second params.get 1 1234 You can do the above anywhere in your Activity but..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible via AsyncTask.executeOnExecutor Executor exec Params... params method. This allows for instance to configure the size of the..
creating a system overlay (always on top) button in android http://stackoverflow.com/questions/4481226/creating-a-system-overlay-always-on-top-button-in-android .show mView new HUDView this WindowManager.LayoutParams params new WindowManager.LayoutParams WindowManager.LayoutParams.WRAP_CONTENT.. PixelFormat.TRANSLUCENT params.gravity Gravity.RIGHT Gravity.TOP params.setTitle Load Average.. params.gravity Gravity.RIGHT Gravity.TOP params.setTitle Load Average WindowManager wm WindowManager getSystemService..
http://stackoverflow.com/questions/6218143/android-post-json-using-http throws Exception String path removed HashMap params new HashMap params.put new String Name Value params.put new.. Exception String path removed HashMap params new HashMap params.put new String Name Value params.put new String Name Value try.. params new HashMap params.put new String Name Value params.put new String Name Value try HttpClient.SendHttpPost path params..
http://stackoverflow.com/questions/9671546/asynctask-android-example String @Override protected String doInBackground String... params for int i 0 i 5 i try Thread.sleep 1000 catch InterruptedException.. String @Override protected String doInBackground String... params for int i 0 i 5 i try Thread.sleep 1000 catch InterruptedException..
http://stackoverflow.com/questions/995514/https-connection-android cm new ThreadSafeClientConnManager params schemeRegistry return new DefaultHttpClient cm params CustomSSLSocketFactory.. params schemeRegistry return new DefaultHttpClient cm params CustomSSLSocketFactory public class CustomSSLSocketFactory extends..
http://stackoverflow.com/questions/11339847/how-to-add-progressdialog th TODO @see android.os.AsyncTask#doInBackground Params @Override protected Boolean doInBackground Void... arg0 do something..
Java Generics - What is this syntax for? http://stackoverflow.com/questions/13238150/java-generics-what-is-this-syntax-for uses generics. Update From AsyncTask javadoc 1 Params the type of the parameters sent to the task upon execution...
http://stackoverflow.com/questions/18289623/how-to-use-asynctask In general the AsyncTask class looks like this AsyncTask Params Progress Result You can specify the type of Parameter the AsyncTask.. type of doInBackground . You can use any type you want for Params Progress and Result. private class DownloadFilesTask extends..
android html.fromhtml to load image from web http://stackoverflow.com/questions/1991431/android-html-fromhtml-to-load-image-from-web 0 return bitmap1 The three types used by AsyncTask are Params the type of the parameters sent to the task upon execution...
http://stackoverflow.com/questions/4369537/update-ui-from-thread An asynchronous task is defined by 3 generic types called Params Progress and Result and 4 steps called begin doInBackground.. a progress bar in the user interface. doInBackground Params... invoked on the background thread immediately after onPreExecute.. task instance must be created on the UI thread. execute Params... must be invoked on the UI thread. Do not call onPreExecute..
ListView adapter data change without ListView being notified http://stackoverflow.com/questions/4636679/listview-adapter-data-change-without-listview-being-notified non Javadoc @see android.os.AsyncTask#doInBackground Params Get new articles from the internet protected Boolean doInBackground.. non Javadoc @see android.os.AsyncTask#doInBackground Params Get new articles from the internet protected ArrayList Report..
AsyncTask block UI thread and show progressbar with delay http://stackoverflow.com/questions/5583137/asynctask-block-ui-thread-and-show-progressbar-with-delay @Override protected Bitmap doInBackground String... Params return imageLoader.getBitmap params 0 @Override protected void..
Android: AndroidHttpClient - how to set timeout? http://stackoverflow.com/questions/5730078/android-androidhttpclient-how-to-set-timeout name HttpGet httpGet new HttpGet myURL.toExternalForm HttpParams httpParams new BasicHttpParams HttpConnectionParams.setConnectionTimeout.. httpGet new HttpGet myURL.toExternalForm HttpParams httpParams new BasicHttpParams HttpConnectionParams.setConnectionTimeout.. myURL.toExternalForm HttpParams httpParams new BasicHttpParams HttpConnectionParams.setConnectionTimeout httpParams timeout..
What arguments are passed into AsyncTask<arg1, arg2, arg3>? http://stackoverflow.com/questions/6053602/what-arguments-are-passed-into-asynctaskarg1-arg2-arg3 An asynchronous task is defined by 3 generic types called Params Progress and Result and 4 steps called onPreExecute doInBackground.. three types used by an asynchronous task are the following Params the type of the parameters sent to the task upon execution...
http://stackoverflow.com/questions/7156752/multiple-screen-resolution . You could certainly avoid this problem by setting LayoutParams at run time in terms of Percentage The Problem occurs only with.. Solution is quite simple if we programmatically set Layout Params of our Views Layouts in terms of Percentage and only use constant.. px for fixed sized layout's width height because in LayoutParams layoutParams new LayoutParams int width int height the width..
In android Why my ProgressBar Freezes? http://stackoverflow.com/questions/8322311/in-android-why-my-progressbar-freezes An asynchronous task is defined by 3 generic types called Params Progress and Result and 4 steps called begin doInBackground.. a progress bar in the user interface. doInBackground Params... invoked on the background thread immediately after onPreExecute.. task instance must be created on the UI thread. execute Params... must be invoked on the UI thread. Do not call onPreExecute..
How ListView's recycling mechanism works http://stackoverflow.com/questions/11945563/how-listviews-recycling-mechanism-works new EventFrame parent.getContext TextView create new TextView DayViewActivity.this LinearLayout.LayoutParams params new LinearLayout.LayoutParams 0 int TypedValue.applyDimension TypedValue.COMPLEX_UNIT_DIP 62 getResources .getDisplayMetrics.. 0 int TypedValue.applyDimension TypedValue.COMPLEX_UNIT_DIP 62 getResources .getDisplayMetrics 1.0f params.topMargin int TypedValue.applyDimension TypedValue.COMPLEX_UNIT_DIP 1 getResources .getDisplayMetrics params.bottomMargin.. 1.0f params.topMargin int TypedValue.applyDimension TypedValue.COMPLEX_UNIT_DIP 1 getResources .getDisplayMetrics params.bottomMargin int TypedValue.applyDimension TypedValue.COMPLEX_UNIT_DIP 1 getResources .getDisplayMetrics create.setLayoutParams..
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 private Main main public HostAvailabilityTask Main main this.main main protected Boolean doInBackground String... params Main.Log doInBackground isHostAvailable params 0 try return InetAddress.getByName params 0 .isReachable 30 catch UnknownHostException.. Main main this.main main protected Boolean doInBackground String... params Main.Log doInBackground isHostAvailable params 0 try return InetAddress.getByName params 0 .isReachable 30 catch UnknownHostException e e.printStackTrace catch IOException.. doInBackground String... params Main.Log doInBackground isHostAvailable params 0 try return InetAddress.getByName params 0 .isReachable 30 catch UnknownHostException e e.printStackTrace catch IOException e e.printStackTrace return false protected..
Launch custom android application from android browser http://stackoverflow.com/questions/2958701/launch-custom-android-application-from-android-browser 1234 Uri data getIntent .getData String scheme data.getScheme http String host data.getHost twitter.com List String params data.getPathSegments String first params.get 0 status String second params.get 1 1234 You can do the above anywhere in your.. scheme data.getScheme http String host data.getHost twitter.com List String params data.getPathSegments String first params.get 0 status String second params.get 1 1234 You can do the above anywhere in your Activity but you're probably going to.. host data.getHost twitter.com List String params data.getPathSegments String first params.get 0 status String second params.get 1 1234 You can do the above anywhere in your Activity but you're probably going to want to do it in onCreate . You can..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible 3.0 the API allows to use your custom thread pool executor via AsyncTask.executeOnExecutor Executor exec Params... params method. This allows for instance to configure the size of the delayed tasks queue if default 10 is not what you need. UPDATE..
creating a system overlay (always on top) button in android http://stackoverflow.com/questions/4481226/creating-a-system-overlay-always-on-top-button-in-android Toast.makeText getBaseContext onCreate Toast.LENGTH_LONG .show mView new HUDView this WindowManager.LayoutParams params new WindowManager.LayoutParams WindowManager.LayoutParams.WRAP_CONTENT WindowManager.LayoutParams.WRAP_CONTENT WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY.. WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE PixelFormat.TRANSLUCENT params.gravity Gravity.RIGHT Gravity.TOP params.setTitle Load Average WindowManager wm WindowManager getSystemService WINDOW_SERVICE.. WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE PixelFormat.TRANSLUCENT params.gravity Gravity.RIGHT Gravity.TOP params.setTitle Load Average WindowManager wm WindowManager getSystemService WINDOW_SERVICE wm.addView mView params @Override public..
http://stackoverflow.com/questions/6218143/android-post-json-using-http @terrance here is the code I described below public void shNameVerParams throws Exception String path removed HashMap params new HashMap params.put new String Name Value params.put new String Name Value try HttpClient.SendHttpPost path params catch.. the code I described below public void shNameVerParams throws Exception String path removed HashMap params new HashMap params.put new String Name Value params.put new String Name Value try HttpClient.SendHttpPost path params catch Exception e TODO.. void shNameVerParams throws Exception String path removed HashMap params new HashMap params.put new String Name Value params.put new String Name Value try HttpClient.SendHttpPost path params catch Exception e TODO Auto generated catch block e.printStackTrace..
http://stackoverflow.com/questions/9671546/asynctask-android-example 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 e TODO Auto generated catch block e.printStackTrace.. 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 e e.printStackTrace return Executed @Override..
http://stackoverflow.com/questions/995514/https-connection-android new Scheme https new CustomSSLSocketFactory 443 ThreadSafeClientConnManager cm new ThreadSafeClientConnManager params schemeRegistry return new DefaultHttpClient cm params CustomSSLSocketFactory public class CustomSSLSocketFactory extends.. ThreadSafeClientConnManager cm new ThreadSafeClientConnManager params schemeRegistry return new DefaultHttpClient cm params CustomSSLSocketFactory public class CustomSSLSocketFactory extends org.apache.http.conn.ssl.SSLSocketFactory private SSLSocketFactory..
http://stackoverflow.com/questions/11339847/how-to-add-progressdialog ProgressDialog.show context message true catch final Throwable th TODO @see android.os.AsyncTask#doInBackground Params @Override protected Boolean doInBackground Void... arg0 do something @Override protected void onProgressUpdate String.....
Java Generics - What is this syntax for? http://stackoverflow.com/questions/13238150/java-generics-what-is-this-syntax-for more about Generics. Here is javadoc on how android AsyncTasktask uses generics. Update From AsyncTask javadoc 1 Params the type of the parameters sent to the task upon execution. 2 Progress the type of the progress units published during the..
http://stackoverflow.com/questions/18289623/how-to-use-asynctask the UI. AsyncTask String Integer Long How does this work In general the AsyncTask class looks like this AsyncTask Params Progress Result You can specify the type of Parameter the AsyncTask takes the Type of the Progress indicator and the type.. for the Progress and Type Long for the Result return type of doInBackground . You can use any type you want for Params Progress and Result. private class DownloadFilesTask extends AsyncTask String Integer Long these Strings or String are is..
android html.fromhtml to load image from web http://stackoverflow.com/questions/1991431/android-html-fromhtml-to-load-image-from-web doInBackground String... url Bitmap bitmap1 DownloadImage url 0 return bitmap1 The three types used by AsyncTask are Params the type of the parameters sent to the task upon execution. Progress the type of the progress units published during the..
http://stackoverflow.com/questions/4369537/update-ui-from-thread thread and whose result is published on the UI thread. An asynchronous task is defined by 3 generic types called Params Progress and Result and 4 steps called begin doInBackground processProgress and end. The 4 steps When an asynchronous task.. step is normally used to setup the task for instance by showing a progress bar in the user interface. doInBackground Params... invoked on the background thread immediately after onPreExecute finishes executing. This step is used to perform background.. that must be followed for this class to work properly The task instance must be created on the UI thread. execute Params... must be invoked on the UI thread. Do not call onPreExecute onPostExecute Result doInBackground Params... onProgressUpdate..
ListView adapter data change without ListView being notified http://stackoverflow.com/questions/4636679/listview-adapter-data-change-without-listview-being-notified Show progress dialog protected void onPreExecute non Javadoc @see android.os.AsyncTask#doInBackground Params Get new articles from the internet protected Boolean doInBackground Void...unused getReports return true On post execute... Show progress dialog protected void onPreExecute non Javadoc @see android.os.AsyncTask#doInBackground Params Get new articles from the internet protected ArrayList Report doInBackground Void...unused return getReports On post execute...
AsyncTask block UI thread and show progressbar with delay http://stackoverflow.com/questions/5583137/asynctask-block-ui-thread-and-show-progressbar-with-delay true dialog.setCancelable false dialog.show @Override protected Bitmap doInBackground String... Params return imageLoader.getBitmap params 0 @Override protected void onPostExecute Bitmap bitmap dialog.dismiss In button listener..
Android: AndroidHttpClient - how to set timeout? http://stackoverflow.com/questions/5730078/android-androidhttpclient-how-to-set-timeout valid URL AndroidHttpClient AndroidHttpClient.newInstance name HttpGet httpGet new HttpGet myURL.toExternalForm HttpParams httpParams new BasicHttpParams HttpConnectionParams.setConnectionTimeout httpParams timeout HttpConnectionParams.setSoTimeout.. AndroidHttpClient AndroidHttpClient.newInstance name HttpGet httpGet new HttpGet myURL.toExternalForm HttpParams httpParams new BasicHttpParams HttpConnectionParams.setConnectionTimeout httpParams timeout HttpConnectionParams.setSoTimeout httpParams.. AndroidHttpClient.newInstance name HttpGet httpGet new HttpGet myURL.toExternalForm HttpParams httpParams new BasicHttpParams HttpConnectionParams.setConnectionTimeout httpParams timeout HttpConnectionParams.setSoTimeout httpParams timeout HttpResponse..
What arguments are passed into AsyncTask<arg1, arg2, arg3>? http://stackoverflow.com/questions/6053602/what-arguments-are-passed-into-asynctaskarg1-arg2-arg3 this question Google's Android Documentation Says that An asynchronous task is defined by 3 generic types called Params Progress and Result and 4 steps called onPreExecute doInBackground onProgressUpdate and onPostExecute. AsyncTask's generic.. and onPostExecute. AsyncTask's generic types The three types used by an asynchronous task are the following Params the type of the parameters sent to the task upon execution. Progress the type of the progress units published during the..
http://stackoverflow.com/questions/7156752/multiple-screen-resolution my own way of Handling Multiple Screen Resolutions . You could certainly avoid this problem by setting LayoutParams at run time in terms of Percentage The Problem occurs only with Views Layouts that have some constant width or height lets.. that have some constant width or height lets say 280dp . Solution is quite simple if we programmatically set Layout Params of our Views Layouts in terms of Percentage and only use constant width or height where necessary elsewhere try to use match_parent.. layout_height 300px RelativeLayout Notice I have used px for fixed sized layout's width height because in LayoutParams layoutParams new LayoutParams int width int height the width and height take value as pixels Here is an example code of..
In android Why my ProgressBar Freezes? http://stackoverflow.com/questions/8322311/in-android-why-my-progressbar-freezes thread and whose result is published on the UI thread. An asynchronous task is defined by 3 generic types called Params Progress and Result and 4 steps called begin doInBackground processProgress and end. The 4 steps When an asynchronous task.. step is normally used to setup the task for instance by showing a progress bar in the user interface. doInBackground Params... invoked on the background thread immediately after onPreExecute finishes executing. This step is used to perform background.. that must be followed for this class to work properly The task instance must be created on the UI thread. execute Params... must be invoked on the UI thread. Do not call onPreExecute onPostExecute Result doInBackground Params... onProgressUpdate..
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