Search index performance improvements.

src/com/keepassdroid/Database.java

@@ -37,6 +37,7 @@ import org.phoneid.keepassj2me.PwManager;
 import org.phoneid.keepassj2me.Types;
 
 import android.content.Context;
+import android.os.Debug;
 
 import com.keepassdroid.keepasslib.InvalidKeyFileException;
 import com.keepassdroid.keepasslib.InvalidPasswordException;
@@ -110,20 +111,23 @@ public class Database {
 	 */
 	public void buildSearchIndex(Context ctx) {
 
+		Debug.startMethodTracing("search");
 		searchHelper = new SearchDbHelper(ctx);
 		
 		initSearch();
 		
 		searchHelper.open();
-		for ( int i = 0; i < mPM.entries.size(); i++) {
+		searchHelper.insertEntry(mPM.entries);
+		/*for ( int i = 0; i < mPM.entries.size(); i++) {
 			PwEntry entry = mPM.entries.get(i);
 			if ( ! entry.isMetaStream() ) {
 				searchHelper.insertEntry(entry);
 			}
-		}
+		} */
 		searchHelper.close();
 		
 		indexBuilt = true;
+		Debug.stopMethodTracing();
 	}
 	
 	public PwGroup Search(String str) {

src/com/keepassdroid/search/SearchDbHelper.java

@@ -53,6 +53,8 @@ public class SearchDbHelper {
 		+ KEY_URL + ", "
 		+ KEY_COMMENT + ");";
 	
+	private static final String PRAGMA_NO_SYNCHRONOUS = "pragma synchronous = off;";
+	
 	private final Context mCtx;
 	private DatabaseHelper mDbHelper;
 	private SQLiteDatabase mDb;
@@ -82,6 +84,7 @@ public class SearchDbHelper {
 	public SearchDbHelper open() throws SQLException {
 		mDbHelper = new DatabaseHelper(mCtx);
 		mDb = mDbHelper.getWritableDatabase();
+		mDb.execSQL(PRAGMA_NO_SYNCHRONOUS);
 		return this;
 	}
 	
@@ -112,6 +115,19 @@ public class SearchDbHelper {
 		mDb.insert(SEARCH_TABLE, null, cv);
 	}
 	
+	public void insertEntry(Vector<PwEntry> entries) {
+		mDb.beginTransaction();
+
+		try {
+			for (int i=0; i < entries.size(); i++) {
+				insertEntry(entries.get(i));
+			}
+			mDb.setTransactionSuccessful();
+		} finally {
+			mDb.endTransaction();
+		}
+	}
+	
 	public void updateEntry(PwEntry entry) {
 		ContentValues cv = buildNewEntryContent(entry);
 		String uuidStr = cv.getAsString(KEY_UUID);