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2014/10/16 ¤W¤È 08:25:25
android Programming Glossary: subclassesSimpleCursorTreeAdapter and CursorLoader for ExpandableListView http://stackoverflow.com/questions/10611927/simplecursortreeadapter-and-cursorloader-for-expandablelistview setListAdapter mAdapter And here is my adapter which subclasses SimpleCursorTreeAdapter public class GroupsAdapter extends SimpleCursorTreeAdapter.. setListAdapter mAdapter And here is my adapter which subclasses SimpleCursorTreeAdapter public class GroupsAdapter extends SimpleCursorTreeAdapter..
BlackBerry class equivalent to AsyncTask? http://stackoverflow.com/questions/12982021/blackberry-class-equivalent-to-asynctask private boolean _cancelled false private Thread _worker subclasses MUST implement this method public abstract Object doInBackground..
Android ShoutCast Internet Radio FilenotFoundException http://stackoverflow.com/questions/16264225/android-shoutcast-internet-radio-filenotfoundexception method to determine the type of the remote object subclasses may find it convenient to override the getContentType method...
Declaring a custom android UI element using XML http://stackoverflow.com/questions/2695646/declaring-a-custom-android-ui-element-using-xml Tags declared in the superclass will be available in subclasses without having to be redeclared. 2. Create constructors Since..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog true The AsyncTask will look like this usually subclasses of AsyncTask are declared inside the activity class. that way..
what's design pattern principle in the Android development? http://stackoverflow.com/questions/3235380/whats-design-pattern-principle-in-the-android-development Controller Model Subclass of Application Anything that subclasses View View Interestingly you can create a subclass of Application.. it mixes controller and view pretty heavily. For example subclasses like TabActivity ListActivity imply a certain view being used...
How to set margin of ImageView using code, not xml http://stackoverflow.com/questions/3416087/how-to-set-margin-of-imageview-using-code-not-xml has a method setMargins left top right bottom . Direct subclasses are FrameLayout.LayoutParams LinearLayout.LayoutParams and RelativeLayout.LayoutParams...
Android: ClassCastException when adding a header view to ExpandableListView http://stackoverflow.com/questions/4393775/android-classcastexception-when-adding-a-header-view-to-expandablelistview view specifying how it should be arranged. There are many subclasses of ViewGroup.LayoutParams and these correspond to the different.. and these correspond to the different subclasses of ViewGroup that are responsible for arranging their children...
Understanding Canvas and Surface concepts http://stackoverflow.com/questions/4576909/understanding-canvas-and-surface-concepts SurfaceView is subclass of View which unlike other View 's subclasses and View itself has its own Surface to draw in. There is also..
Protected fields not visible to subclasses http://stackoverflow.com/questions/4916215/protected-fields-not-visible-to-subclasses fields not visible to subclasses I'm writing a custom view that directly extends android.view.View..
Android,how do i Highlight a row in ListView http://stackoverflow.com/questions/5925892/android-how-do-i-highlight-a-row-in-listview Sets the currently selected item. To support accessibility subclasses that override this method must invoke the overriden super method..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables Reto Meier and Diane Hackborn in which use of Application subclasses is discouraged in favor of Singleton patterns. Somatik also.. with regards to preferring Singleton over Application subclasses. In my disagreement I will be making use of concepts best explained..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context cannot be garbage collected. Some developers use custom subclasses of Application for their own global data which they retrieve..
EditText not updated after text changed in the TextWatcher http://stackoverflow.com/questions/7435661/edittext-not-updated-after-text-changed-in-the-textwatcher are not children of the Editable class. Strings are subclasses of the Editable class. The onTextChangedListener doesn't receive..
Where do I create and use ScheduledThreadPoolExecutor, TimerTask, or Handler? http://stackoverflow.com/questions/8098806/where-do-i-create-and-use-scheduledthreadpoolexecutor-timertask-or-handler TimerTask . I am also very uncertain about where to make subclasses of these. One friend suggested extending TimerTask as an inner..
Why so complex to set style from code in Android http://stackoverflow.com/questions/8369504/why-so-complex-to-set-style-from-code-in-android an attr resource is generally used when implementing View subclasses and as you've shown lets you specify a theme attribute to use..
Android Eclipse NoClassDefFoundError for external .jar files http://stackoverflow.com/questions/9833607/android-eclipse-noclassdeffounderror-for-external-jar-files to use any class from the above .jar files or any of its subclasses even ones defined by me I would get a java.lang.NoClassDefFoundError...
SimpleCursorTreeAdapter and CursorLoader for ExpandableListView http://stackoverflow.com/questions/10611927/simplecursortreeadapter-and-cursorloader-for-expandablelistview Name for child layouts new int android.R.id.text1 setListAdapter mAdapter And here is my adapter which subclasses SimpleCursorTreeAdapter public class GroupsAdapter extends SimpleCursorTreeAdapter private final String DEBUG_TAG getClass.. Name for child layouts new int android.R.id.text1 setListAdapter mAdapter And here is my adapter which subclasses SimpleCursorTreeAdapter public class GroupsAdapter extends SimpleCursorTreeAdapter private final String DEBUG_TAG getClass..
BlackBerry class equivalent to AsyncTask? http://stackoverflow.com/questions/12982021/blackberry-class-equivalent-to-asynctask public static final int RUNNING 2 private int _status PENDING private boolean _cancelled false private Thread _worker subclasses MUST implement this method public abstract Object doInBackground Object params protected void onPreExecute default implementation..
Android ShoutCast Internet Radio FilenotFoundException http://stackoverflow.com/questions/16264225/android-shoutcast-internet-radio-filenotfoundexception 1000 5 The getContentType method is used by the getContent method to determine the type of the remote object subclasses may find it convenient to override the getContentType method. String ctype urlConn.getContentType if ctype null ctype..
Declaring a custom android UI element using XML http://stackoverflow.com/questions/2695646/declaring-a-custom-android-ui-element-using-xml like extraInformation need to have their type declared. Tags declared in the superclass will be available in subclasses without having to be redeclared. 2. Create constructors Since there are two constructors that use an AttributeSet for initialisation..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog public void onCancel DialogInterface dialog downloadTask.cancel true The AsyncTask will look like this usually subclasses of AsyncTask are declared inside the activity class. that way you can easily modify the UI thread from here private class..
what's design pattern principle in the Android development? http://stackoverflow.com/questions/3235380/whats-design-pattern-principle-in-the-android-development MVC. However it's coupled to the View fairly heavily. Activity Controller Model Subclass of Application Anything that subclasses View View Interestingly you can create a subclass of Application and declare this in your Manifest file and Android will.. so it can update the UI. The problems with Android is that it mixes controller and view pretty heavily. For example subclasses like TabActivity ListActivity imply a certain view being used. So swapping out a view is pretty involved. Also the Controller..
How to set margin of ImageView using code, not xml http://stackoverflow.com/questions/3416087/how-to-set-margin-of-imageview-using-code-not-xml this question android.view.ViewGroup.MarginLayoutParams has a method setMargins left top right bottom . Direct subclasses are FrameLayout.LayoutParams LinearLayout.LayoutParams and RelativeLayout.LayoutParams. Using e.g. LinearLayout LinearLayout.LayoutParams..
Android: ClassCastException when adding a header view to ExpandableListView http://stackoverflow.com/questions/4393775/android-classcastexception-when-adding-a-header-view-to-expandablelistview states that These supply parameters to the parent of this view specifying how it should be arranged. There are many subclasses of ViewGroup.LayoutParams and these correspond to the different subclasses of ViewGroup that are responsible for arranging.. how it should be arranged. There are many subclasses of ViewGroup.LayoutParams and these correspond to the different subclasses of ViewGroup that are responsible for arranging their children. So basically if you are adding a view to another you MUST..
Understanding Canvas and Surface concepts http://stackoverflow.com/questions/4576909/understanding-canvas-and-surface-concepts share the same Surface and thus share the same Canvas . SurfaceView is subclass of View which unlike other View 's subclasses and View itself has its own Surface to draw in. There is also one additional question Why there is need in Surface class..
Protected fields not visible to subclasses http://stackoverflow.com/questions/4916215/protected-fields-not-visible-to-subclasses fields not visible to subclasses I'm writing a custom view that directly extends android.view.View . If I try to access fields mScrollX or mScrollY I see..
Android,how do i Highlight a row in ListView http://stackoverflow.com/questions/5925892/android-how-do-i-highlight-a-row-in-listview void android.widget.AdapterView.setSelection int position Sets the currently selected item. To support accessibility subclasses that override this method must invoke the overriden super method first. Parameters position Index starting at 0 of the data..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables kind enough to point out an interesting conversation with Reto Meier and Diane Hackborn in which use of Application subclasses is discouraged in favor of Singleton patterns. Somatik also pointed out something of this nature earlier although I didn't.. strongly with the opinions Diane in particular expressed with regards to preferring Singleton over Application subclasses. In my disagreement I will be making use of concepts best explained in this StackExchange explanation of the Singleton design..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context an implicit reference to the old Activity and the old Activity cannot be garbage collected. Some developers use custom subclasses of Application for their own global data which they retrieve via getApplicationContext . That's certainly possible. I prefer..
EditText not updated after text changed in the TextWatcher http://stackoverflow.com/questions/7435661/edittext-not-updated-after-text-changed-in-the-textwatcher actually change the EditText just the Editable. Android EditTexts are not children of the Editable class. Strings are subclasses of the Editable class. The onTextChangedListener doesn't receive the EditText as an argument but the Editable String displayed..
Where do I create and use ScheduledThreadPoolExecutor, TimerTask, or Handler? http://stackoverflow.com/questions/8098806/where-do-i-create-and-use-scheduledthreadpoolexecutor-timertask-or-handler unsure about what the most efficient use of these classes or TimerTask . I am also very uncertain about where to make subclasses of these. One friend suggested extending TimerTask as an inner class in my FeedParser class to make it simpler. However..
Why so complex to set style from code in Android http://stackoverflow.com/questions/8369504/why-so-complex-to-set-style-from-code-in-android your app. The third argument to View constructors that takes an attr resource is generally used when implementing View subclasses and as you've shown lets you specify a theme attribute to use as a reference to the View's default style. If you had a special..
Android Eclipse NoClassDefFoundError for external .jar files http://stackoverflow.com/questions/9833607/android-eclipse-noclassdeffounderror-for-external-jar-files pay too much attention to it and after that whenever I try to use any class from the above .jar files or any of its subclasses even ones defined by me I would get a java.lang.NoClassDefFoundError. I could not find the answer after much searching so..
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