diff options
| -rw-r--r-- | res/layout/loading_footer.xml | 24 | ||||
| -rw-r--r-- | res/values/strings.xml | 1 | ||||
| -rw-r--r-- | src/de/danoeh/antennapod/fragment/MiroChannellistFragment.java | 193 |
3 files changed, 218 insertions, 0 deletions
diff --git a/res/layout/loading_footer.xml b/res/layout/loading_footer.xml new file mode 100644 index 000000000..ac8d7d177 --- /dev/null +++ b/res/layout/loading_footer.xml @@ -0,0 +1,24 @@ +<?xml version="1.0" encoding="utf-8"?> +<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" + android:layout_width="match_parent" + android:layout_height="match_parent" > + + <TextView + android:id="@+id/txtvLoading" + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:layout_centerInParent="true" + android:layout_gravity="center" + android:layout_margin="8dp" + android:text="@string/loading_label" /> + + <ProgressBar + android:id="@+id/progressBar1" + style="?android:attr/progressBarStyleSmall" + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:layout_centerVertical="true" + android:layout_margin="8dp" + android:layout_toLeftOf="@+id/txtvLoading" /> + +</RelativeLayout>
\ No newline at end of file diff --git a/res/values/strings.xml b/res/values/strings.xml index d6f5453e6..d894e3a42 100644 --- a/res/values/strings.xml +++ b/res/values/strings.xml @@ -162,6 +162,7 @@ <string name="browse_miroguide_label">Browse Miro Guide</string> <string name="txtv_browse_miroguide_label">Or browse the Miro Guide:</string> <string name="miro_guide_label">Miro Guide</string> + <string name="loading_label">Loading...</string> </resources>
\ No newline at end of file diff --git a/src/de/danoeh/antennapod/fragment/MiroChannellistFragment.java b/src/de/danoeh/antennapod/fragment/MiroChannellistFragment.java new file mode 100644 index 000000000..ca4ef9222 --- /dev/null +++ b/src/de/danoeh/antennapod/fragment/MiroChannellistFragment.java @@ -0,0 +1,193 @@ +package de.danoeh.antennapod.fragment; + +import java.util.ArrayList; +import java.util.List; + +import android.annotation.SuppressLint; +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.os.AsyncTask; +import android.os.Bundle; +import android.view.LayoutInflater; +import android.view.View; +import android.widget.AbsListView; +import android.widget.AbsListView.OnScrollListener; + +import com.actionbarsherlock.app.SherlockListFragment; + +import de.danoeh.antennapod.R; +import de.danoeh.antennapod.adapter.MiroChannellistAdapter; +import de.danoeh.antennapod.miroguide.con.MiroException; +import de.danoeh.antennapod.miroguide.con.MiroService; +import de.danoeh.antennapod.miroguide.model.MiroChannel; + +public class MiroChannellistFragment extends SherlockListFragment { + private static final String TAG = "MiroChannellistFragment"; + + private static final String ARG_FILTER = "filter"; + private static final String ARG_FILTER_VALUE = "filter_value"; + private static final String ARG_SORT = "sort"; + + private ArrayList<MiroChannel> channels; + private MiroChannellistAdapter listAdapter; + private int offset; + + private boolean isLoadingChannels; + + private View footer; + + private String filter; + private String filterValue; + private String sort; + + /** + * Creates a new instance of Channellist fragment. + * + * @throws IllegalArgumentException + * if filter, filterValue or sort is null + * */ + public static MiroChannellistFragment newInstance(String filter, + String filterValue, String sort) { + if (filter == null) { + throw new IllegalArgumentException("filter cannot be null"); + } + if (filterValue == null) { + throw new IllegalArgumentException("filter value cannot be null"); + } + if (sort == null) { + throw new IllegalArgumentException("sort cannot be null"); + } + MiroChannellistFragment cf = new MiroChannellistFragment(); + Bundle args = new Bundle(); + args.putString(ARG_FILTER, filter); + args.putString(ARG_FILTER_VALUE, filterValue); + args.putString(ARG_SORT, sort); + cf.setArguments(args); + return cf; + } + + private MiroChannellistFragment() { + super(); + } + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + offset = 0; + channels = new ArrayList<MiroChannel>(); + + Bundle args = getArguments(); + filter = args.getString(ARG_FILTER); + filterValue = args.getString(ARG_FILTER_VALUE); + sort = args.getString(ARG_SORT); + + LayoutInflater inflater = (LayoutInflater) getActivity() + .getSystemService(Context.LAYOUT_INFLATER_SERVICE); + footer = inflater.inflate(R.layout.loading_footer, null); + listAdapter = new MiroChannellistAdapter(getActivity(), 0, channels); + } + + + + @Override + public void onResume() { + super.onResume(); + if (channels.isEmpty()) { + setListShown(false); + loadChannels(); + } + } + + @Override + public void onViewCreated(View view, Bundle savedInstanceState) { + super.onViewCreated(view, savedInstanceState); + + getListView().addFooterView(footer); + getListView().setAdapter(listAdapter); + getListView().removeFooterView(footer); + + getListView().setOnScrollListener(new OnScrollListener() { + + @Override + public void onScroll(AbsListView view, int firstVisibleItem, + int visibleItemCount, int totalItemCount) { + int lastVisibleItem = firstVisibleItem + visibleItemCount; + if (lastVisibleItem == totalItemCount) { + loadChannels(); + } + } + + @Override + public void onScrollStateChanged(AbsListView view, int scrollState) { + } + }); + } + + @SuppressLint("NewApi") + private void loadChannels() { + if (!isLoadingChannels) { + isLoadingChannels = true; + AsyncTask<Void, Void, List<MiroChannel>> channelLoader = new AsyncTask<Void, Void, List<MiroChannel>>() { + private MiroException exception; + + @Override + protected void onPostExecute(List<MiroChannel> result) { + if (exception == null) { + getListView().removeFooterView(footer); + for (MiroChannel channel : result) { + channels.add(channel); + } + listAdapter.notifyDataSetChanged(); + offset += MiroService.DEFAULT_CHANNEL_LIMIT; + setListShown(true); + } else { + AlertDialog.Builder dialog = new AlertDialog.Builder( + getActivity()); + dialog.setTitle(R.string.error_label); + dialog.setMessage(exception.getMessage()); + dialog.setNeutralButton(android.R.string.ok, + new DialogInterface.OnClickListener() { + + @Override + public void onClick(DialogInterface dialog, + int which) { + dialog.dismiss(); + getActivity().finish(); + } + }); + dialog.create().show(); + } + } + + @Override + protected void onPreExecute() { + getListView().addFooterView(footer); + } + + @Override + protected List<MiroChannel> doInBackground(Void... params) { + MiroService service = new MiroService(); + try { + return service + .getChannelList(filter, filterValue, sort, + MiroService.DEFAULT_CHANNEL_LIMIT, + offset); + } catch (MiroException e) { + exception = e; + e.printStackTrace(); + } + return null; + } + }; + + if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.GINGERBREAD_MR1) { + channelLoader.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR); + } else { + channelLoader.execute(); + } + + } + } +} |