Add initial support for saved vs non-saved tags.

Get rid of the third "MyTag" column.  This isn't currently
being used.

Change-Id: Id35074d939e1373f0998e5502eb9cfc9c86ecca5

apps/Tag/src/com/android/apps/tag/TagDBHelper.java

@@ -39,11 +39,12 @@ public class TagDBHelper extends SQLiteOpenHelper {
             + "_id INTEGER NOT NULL, "
             + "bytes BLOB NOT NULL, "
             + "date TEXT NOT NULL, "
+            + "saved TEXT NOT NULL default 0,"  // boolean
             + "PRIMARY KEY(_id)"
             + ")";
 
     private static final String INSERT =
-            "INSERT INTO NdefMessage (bytes, date) values (?, ?)";
+            "INSERT INTO NdefMessage (bytes, date, saved) values (?, ?, ?)";
 
     private static final byte[] REAL_NFC_MSG = new byte[] {
             (byte) 0xd1,
@@ -120,22 +121,24 @@ public class TagDBHelper extends SQLiteOpenHelper {
                 NdefUtil.toUriRecord(URI.create("http://www.android.com"))
         });
 
-        insert(db, msg1);
-        insert(db, msg2);
+        insert(db, msg1, false);
+        insert(db, msg2, true);
 
         try {
             // A real message obtained from an NFC Forum Type 4 tag.
             NdefMessage msg3 = new NdefMessage(REAL_NFC_MSG);
-            insert(db, msg3);
+            insert(db, msg3, false);
         } catch (NfcException e) {
             throw new RuntimeException(e);
         }
     }
 
-    private void insert(SQLiteDatabase db, NdefMessage msg) {
+    private void insert(SQLiteDatabase db, NdefMessage msg, boolean isSaved) {
         SQLiteStatement stmt = db.compileStatement(INSERT);
         stmt.bindString(1, new String(msg.toByteArray())); // TODO: This should be a blob
         stmt.bindString(2, new Date().toString());
+        String isSavedStr = isSaved ? "1" : "0";
+        stmt.bindString(3, isSavedStr);
         stmt.executeInsert();
         stmt.close();
     }

apps/Tag/src/com/android/apps/tag/TagList.java

@@ -27,7 +27,6 @@ import android.view.Menu;
 import android.view.View;
 import android.widget.ListView;
 import android.widget.SimpleCursorAdapter;
-import android.widget.Toast;
 
 /**
  * @author nnk@google.com (Nick Kralevich)
@@ -36,13 +35,16 @@ public class TagList extends ListActivity implements DialogInterface.OnClickList
 
     private SQLiteDatabase db;
     private Cursor cursor;
+    static final String SHOW_SAVED_ONLY = "show_saved_only";
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        Toast.makeText(getBaseContext(), "entered method", Toast.LENGTH_SHORT).show();
 
+        boolean showSavedOnly = getIntent().getBooleanExtra(SHOW_SAVED_ONLY, false);
         db = new TagDBHelper(getBaseContext()).getReadableDatabase();
-        cursor = db.query("NdefMessage", new String[] { "_id", "bytes", "date" }, null, null, null, null, null);
+        String selection = showSavedOnly ? "saved=1" : null;
+        cursor = db.query("NdefMessage", new String[] { "_id", "bytes", "date" }, selection, null, null, null, null);
         SimpleCursorAdapter sca =
                 new SimpleCursorAdapter(this,
                         android.R.layout.two_line_list_item,
@@ -52,7 +54,6 @@ public class TagList extends ListActivity implements DialogInterface.OnClickList
 
         setListAdapter(sca);
         registerForContextMenu(getListView());
-        Toast.makeText(getBaseContext(), "exit method", Toast.LENGTH_SHORT).show();
     }
 
     @Override

apps/Tag/src/com/android/apps/tag/Tags.java

@@ -42,9 +42,8 @@ public class Tags extends TabActivity {
         TabHost tabHost = getTabHost();
         Intent i = new Intent().setClass(this, TagList.class);
 
-        Intent iSavedList = new Intent().setClass(this, TagList.class);
+        Intent iSavedList = new Intent().setClass(this, TagList.class).putExtra(TagList.SHOW_SAVED_ONLY, true);
         Intent iRecentList = new Intent().setClass(this, TagList.class);
-        Intent iMyTagList = new Intent().setClass(this, TagList.class);
 
 
         TabHost.TabSpec spec1 = tabHost.newTabSpec("1")
@@ -56,12 +55,6 @@ public class Tags extends TabActivity {
                 .setIndicator("Recent", res.getDrawable(R.drawable.ic_tab_artists))
                 .setContent(iRecentList);
         tabHost.addTab(spec2);
-
-        TabHost.TabSpec spec3 = tabHost.newTabSpec("3")
-                .setIndicator("My Tag", res.getDrawable(R.drawable.ic_tab_artists))
-                .setContent(iMyTagList);
-        tabHost.addTab(spec3);
-
     }
 }