4-level expandable list
A while ago I got a question if 3-level expandable list views can be implemented in Android. Android does not explicitly support it but the flexibility of Android UI widget framework provides a relatively simple implementation option: second-level expandable list views are to be inserted into the first-level expandable list view as child views. There was a blog post with an example program and everybody was happy. Even then I made a note that I don't agree with the approach from the UI point of view because the display becomes unnecessarily messy.
Now there was a comment at that blog post whether 4-level lists are possible. Of course they are possible, it is just not a good UI design. But I guess, you better try it yourself if you don't believe me. The principle is the same (expandable lists embedded as children of higher-level expandable lists), it is just much more complex to make sure that everything is recalculated correctly for every event. In order to follow the operation, I left a good amount of debugging code in the project.
The example program is attached to this post. You have to be logged in to Sfonge website to access it.
have you ever done chat app using XMPP(asmack) in android ...
if u did then you know how to send file in that
i used code like this :
ServiceDiscoveryManager sdm = ServiceDiscoveryManager
.getInstanceFor(Main.connection);
if (sdm == null)
sdm = new ServiceDiscoveryManager(Main.connection);
sdm.addFeature("http://jabber.org/protocol/disco#info");
sdm.addFeature("jabber:iq:privacy");
//sdm.addFeature("http://jabber.org/protocol/muc");
XHTMLManager.setServiceEnabled(Main.connection, true);
FileTransferManager manager = new FileTransferManager(Main.connection);
/*OutgoingFileTransfer transfer = manager.createOutgoingFileTransfer(id
+ "/Smack");*/
OutgoingFileTransfer transfer = manager.createOutgoingFileTransfer(id);
Log.i("transfere file", "outgoingfiletransfere is created");
try{
//OutgoingFileTransfer.setResponseTimeout(60000);
transfer.sendFile(new File(txt_file.getText().toString()), "You won't believe this!");
if (transfer.getStatus().equals(Status.cancelled)
|| transfer.getStatus().equals(Status.refused)) {
Log.d("Cancel", ""+transfer.getError());
System.out.println("Cancelled!!! " + transfer.getError());
}
Log.i("transfere file", "sending file");
Log.d("FTTRY", "m in ft TRY");
btn_transfer.setText("Browse");
send_flag = true;
}catch (Exception e) {
Log.d("FTCATCH", "m in ft catch");
send_flag = true;
}
while(!transfer.isDone()) {
try{
Thread.sleep(1000);
}catch (Exception e) {
}
Log.i("transfere file", "sending file status "
+ transfer.getStatus() + "progress: "
+ transfer.getProgress());
if(transfer.getStatus().equals(Status.error)) {
System.out.println("ERROR!!! " + transfer.getError());
} else {
System.out.println(transfer.getStatus());
System.out.println(transfer.getProgress());
Log.d("PROG", "m in ft progress");
}
try{
Thread.sleep(1000);
}catch (Exception e) {
}
}
and i also set provideManager
and m using asmack -jse-buddycloud -2010.12.11.jar
i tried in all the way..but always gives a error like
negotiation file transfer 0:0
filetransfer progress :0
and here is path of image file path from sd card..
please help me ..ASAP
if u worked on this ..please reply me as soon as possible....
because i tried all things but didnt get success.
Sadly, I have not experience with XMPP in general and with this library in particular. I am very busy now so I can't help in this.
when I try to add data on String listdisc and getting below error I add upto PSA101 error not getting but Add PSA103 error Occurs I try to solve this problem but not getting Any Solution
static final String listdesc[][][][][] =
{
{ // MPD [0]
{ // 2D [0],[0]
{ // PSA101
{ "MPD", "" },
{ "2D", "" },
{ "PSA101", "" },
{ "lightgrey","#D3D3D3" },
{ "dimgrey","#696969" }
},
{ // PSA102
{ "MPD", "" },
{ "2D", "" },
{ "PSA102", "" },
{ "lightgrey","#D3D3D3" },
{ "dimgrey","#696969" }
},
{ // PSA103
{ "MPD", "" },
{ "2D", "" },
{ "PSA103", "" },
{ "lightgrey","#D3D3D3" },
{ "dimgrey","#696969" }
}
},
{ // 3D
{ // PSA201
{ "MPD", "" },
{ "3D", "" },
{ "PSA201", "" },
{ "sgi grey 92","#EAEAEA" }
},
{ // PSA201
{ "MPD", "" },
{ "3D", "" },
{ "PSA202", "" },
{ "sgi grey 92","#EAEAEA" }
},
{ // PSA201
{ "MPD", "" },
{ "3D", "" },
{ "PSA202", "" },
{ "sgi grey 92","#EAEAEA" }
}
}
},
.........................................................................................................
04-03 15:01:29.955: E/AndroidRuntime(956): FATAL EXCEPTION: main
04-03 15:01:29.955: E/AndroidRuntime(956): java.lang.ArrayIndexOutOfBoundsException
04-03 15:01:29.955: E/AndroidRuntime(956): at aexp.explist4.Level2ColorExpListAdapter.recalculateLeve3ViewRowCounts(Level2ColorExpListAdapter.java:196)
04-03 15:01:29.955: E/AndroidRuntime(956): at aexp.explist4.Level1ColorExpListAdapter.recalculateLevel2ViewRowCounts(Level1ColorExpListAdapter.java:165)
04-03 15:01:29.955: E/AndroidRuntime(956): at aexp.explist4.Level1ColorExpListAdapter.recalculateRowCounts(Level1ColorExpListAdapter.java:177)
04-03 15:01:29.955: E/AndroidRuntime(956): at aexp.explist4.Level1ColorExpListAdapter$Level2GroupExpandListener.onGroupClick(Level1ColorExpListAdapter.java:221)
04-03 15:01:29.955: E/AndroidRuntime(956): at android.widget.ExpandableListView.handleItemClick(ExpandableListView.java:549)
04-03 15:01:29.955: E/AndroidRuntime(956): at android.widget.ExpandableListView.performItemClick(ExpandableListView.java:527)
04-03 15:01:29.955: E/AndroidRuntime(956): at android.widget.AbsListView$PerformClick.run(AbsListView.java:1812)
04-03 15:01:29.955: E/AndroidRuntime(956): at android.os.Handler.handleCallback(Handler.java:587)
04-03 15:01:29.955: E/AndroidRuntime(956): at android.os.Handler.dispatchMessage(Handler.java:92)
04-03 15:01:29.955: E/AndroidRuntime(956): at android.os.Looper.loop(Looper.java:123)
04-03 15:01:29.955: E/AndroidRuntime(956): at android.app.ActivityThread.main(ActivityThread.java:3683)
04-03 15:01:29.955: E/AndroidRuntime(956): at java.lang.reflect.Method.invokeNative(Native Method)
04-03 15:01:29.955: E/AndroidRuntime(956): at java.lang.reflect.Method.invoke(Method.java:507)
04-03 15:01:29.955: E/AndroidRuntime(956): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
04-03 15:01:29.955: E/AndroidRuntime(956): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
04-03 15:01:29.955: E/AndroidRuntime(956): at dalvik.system.NativeStart.main(Native Method)
Sorry full string here,
static final String listdesc[][][][][] =
{
{ // MPD [0]
{ // 2D [0],[0]
{ // PSA101
{ " MPD", "" },
{ " 2D", "" },
{ "PSA101", "" },
{ "lightgrey","#D3D3D3" },
{ "dimgrey","#696969" }
},
{ // PSA102
{ " MPD", "" },
{ " 2D", "" },
{ "PSA102", "" },
{ "lightgrey","#D3D3D3" },
{ "dimgrey","#696969" }
},
{ // PSA103
{ "MPD", "" },
{ "2D", "" },
{ "PSA103", "" },
{ "lightgrey","#D3D3D3" },
{ "dimgrey","#696969" }
}
},
{ // 3D
{ // PSA201
{ "MPD", "" },
{ "3D", "" },
{ "PSA201", "" },
{ "sgi grey 92","#EAEAEA" }
},
{ // PSA201
{ "MPD", "" },
{ "3D", "" },
{ "PSA202", "" },
{ "sgi grey 92","#EAEAEA" }
},
{ // PSA201
{ "MPD", "" },
{ "3D", "" },
{ "PSA202", "" },
{ "sgi grey 92","#EAEAEA" }
}
}
},
{ // blue[1]
{ // lightblue[1][0]
{ // lighterblue
{ "blue", "" },
{ "lightblue","" },
{ "lighterblue","" },
{ "dodgerblue 2","#1C86EE" }
}
}
}
};
Sorry, there was a bug in the program. I fixed it and uploaded the corrected version where the original was (attached to the initial post)
when will u uploaded correct version of 4-level Expandable listview?
Rupal, I have uploaded the fixed version before I responded to your previous comment. I updated the attachment of the original post so please download from the place where you downloaded the previous version from. I have just checked myself, it is the fixed version.
Thank you... very much.
when i click in edittext keyboard is shown and my listview is hide coz of that.
so when keyboard is shown in my screen how can i make listview also up..
or any other method using that i can show my list last data..
Sorry, could you provide a step-by-step scenario, what goes wrong? Yes, the keyboard covers part of the screen when it is active, there is nothing to do with it.
I got the Solution....Sorry to Disturb u.....
Thank you
it is awesome..it really help me..u gave exactly that i want.
Thank you
Thanks
Never tried XMPP at all. There seems to be, however, a class called FileTransferManager in the API that seems easy enough to use ...