sqlite在2.1下的错误处理解决

package com.gd.zyrs;import java.io.File;import android.content.Context;import android.content.ContextWrapper;import android.database.sqlite.SQLiteDatabase;import android.util.Log;class DatabaseContext extends ContextWrapper {	private static final String DEBUG_CONTEXT = "DatabaseContext";	public DatabaseContext(Context base) {		super(base);	}	@Override	public File getDatabasePath(String fullName) {		String dbfile = fullName;		if (!dbfile.endsWith(".db")) {			dbfile += ".db";		}		File result = new File(dbfile);		if (!result.getParentFile().exists()) {			result.getParentFile().mkdirs();		}		if (Log.isLoggable(DEBUG_CONTEXT, Log.WARN)) {			Log.w(DEBUG_CONTEXT,					"getDatabasePath(" + fullName + ") = "							+ result.getAbsolutePath());		}		return result;	}	@Override	public SQLiteDatabase openOrCreateDatabase(String name, int mode,			SQLiteDatabase.CursorFactory factory) {		SQLiteDatabase result = SQLiteDatabase.openOrCreateDatabase(				getDatabasePath(name), null);		// SQLiteDatabase result = super.openOrCreateDatabase(name, mode,		// factory);		if (Log.isLoggable(DEBUG_CONTEXT, Log.WARN)) {			Log.w(DEBUG_CONTEXT, "openOrCreateDatabase(" + name + ",,) = "					+ result.getPath());		}		return result;	}}