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Commit ec37c885 authored by Makoto Onuki's avatar Makoto Onuki
Browse files

Adding a method called when detecting content change. 

Added Loader.onContentChanged()  which is called by ForceLoadContentObserver
when it detects a change, rather than forceLoad().

By default onContentChanged() just calls forceLoad(), so there's no change
in behavior.

This is useful when a subclass wants to perform custom operations upon
data chantes.  For example, a subclass may want to limit the number
of automatic requeries per second.

Change-Id: I493dac3f4f1a75b056d2c7065336ea9252dbf424
parent 100e1065

api/current.xml

+11 −0
Original line number Diff line number Diff line
@@ -49195,6 +49195,17 @@ 
 visibility="public"

>

</method>

<method name="onContentChanged"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="registerListener"

 return="void"

 abstract="false"

core/java/android/content/Loader.java

+14 −4
Original line number Diff line number Diff line
@@ -43,7 +43,7 @@ public abstract class Loader<D> { 


        @Override

        public void onChange(boolean selfChange) {

            forceLoad();

            onContentChanged();

        }

    }
@@ -151,4 +151,14 @@ public abstract class Loader<D> { 
     * Must be called from the UI thread

     */

    public abstract void destroy();



    /**

     * Called when {@link ForceLoadContentObserver} detects a change.  Calls {@link #forceLoad()}

     * by default.

     *

     * Must be called from the UI thread

     */

    public void onContentChanged() {

        forceLoad();

    }

}
 
 No newline at end of file