more work on content provider

1 files changed, 100 insertions, 0 deletions

diff --git a/org_apg/src/org/thialfihar/android/apg/ui/KeyListPublicFragment.java b/org_apg/src/org/thialfihar/android/apg/ui/KeyListPublicFragment.java
new file mode 100644
index 000000000..1753b0f1c
--- /dev/null
+++ b/org_apg/src/org/thialfihar/android/apg/ui/KeyListPublicFragment.java
@@ -0,0 +1,100 @@
+package org.thialfihar.android.apg.ui;
+
+import org.thialfihar.android.apg.Id;
+import org.thialfihar.android.apg.R;
+import org.thialfihar.android.apg.R.id;
+import org.thialfihar.android.apg.provider.ApgContract.PublicKeyRings;
+import org.thialfihar.android.apg.provider.ApgContract.PublicKeys;
+import org.thialfihar.android.apg.provider.ApgContract.PublicUserIds;
+import org.thialfihar.android.apg.ui.widget.ExpandableListFragment;
+import org.thialfihar.android.apg.ui.widget.KeyListAdapter;
+
+import com.actionbarsherlock.app.SherlockFragmentActivity;
+import com.actionbarsherlock.app.SherlockListFragment;
+
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.content.CursorLoader;
+import android.support.v4.content.Loader;
+import android.support.v4.app.FragmentActivity;
+import android.support.v4.app.LoaderManager;
+
+public class KeyListPublicFragment extends ExpandableListFragment implements
+        LoaderManager.LoaderCallbacks<Cursor> {
+
+    private FragmentActivity mActivity;
+    private KeyListAdapter mAdapter;
+
+    // private long mCurrentRowId;
+
+    /**
+     * Define Adapter and Loader on create of Activity
+     */
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        mActivity = getActivity();
+
+        // register long press context menu
+        registerForContextMenu(getListView());
+
+        // Give some text to display if there is no data. In a real
+        // application this would come from a resource.
+        setEmptyText("TODO empty");
+
+        // We have a menu item to show in action bar.
+        setHasOptionsMenu(true);
+
+        mAdapter = new KeyListAdapter(mActivity, getLoaderManager(), null, Id.type.public_key);
+        setListAdapter(mAdapter);
+
+        // Start out with a progress indicator.
+        setListShown(false);
+
+        // Prepare the loader. Either re-connect with an existing one,
+        // or start a new one.
+        getLoaderManager().initLoader(-1, null, this);
+    }
+
+    // These are the rows that we will retrieve.
+    static final String[] PROJECTION = new String[] { PublicKeyRings._ID,
+            PublicKeyRings.MASTER_KEY_ID, PublicUserIds.USER_ID };
+
+    static final String SORT_ORDER = PublicUserIds.USER_ID + " ASC";
+
+    @Override
+    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+        // This is called when a new Loader needs to be created. This
+        // sample only has one Loader, so we don't care about the ID.
+        Uri baseUri = PublicKeyRings.buildPublicKeyRingsUri();
+
+        // Now create and return a CursorLoader that will take care of
+        // creating a Cursor for the data being displayed.
+        return new CursorLoader(getActivity(), baseUri, PROJECTION, null, null, SORT_ORDER);
+    }
+
+    @Override
+    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
+        // Swap the new cursor in. (The framework will take care of closing the
+        // old cursor once we return.)
+        mAdapter.setGroupCursor(data);
+
+        // The list should now be shown.
+        if (isResumed()) {
+            setListShown(true);
+        } else {
+            setListShownNoAnimation(true);
+        }
+    }
+
+    @Override
+    public void onLoaderReset(Loader<Cursor> loader) {
+        // This is called when the last Cursor provided to onLoadFinished()
+        // above is about to be closed. We need to make sure we are no
+        // longer using it.
+        mAdapter.setGroupCursor(null);
+    }
+
+}