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The source code is released under:
Apache License
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/* Berengar/*from w ww . j av a2 s . c o m*/ Copyright (c) 2013 Bradipao <bradipao@gmail.com> http://gplus.to/Bradipao Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package it.bradipao.berengar; import java.io.File; import java.io.IOException; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import org.json.JSONException; import org.json.JSONObject; import android.app.Activity; import android.os.Bundle; import android.os.Environment; import android.util.Log; import android.view.Menu; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; public class MainActivity extends Activity { public static final String LOGTAG = "DBER"; // vars private DatabaseHelper dbHelper = null; private File root,exportDir,jsonFile,xmlFile; // views TextView tvRes; Button btCatAdd,btEvnAdd; EditText etCatName,etCatIcon; EditText etEvnIdcat,etEvnWhen,etEvnName; Button btExportJson,btImportJson,btExportGson,btImportGson,btExportXml,btImportXml; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.ac_main); // get database dbHelper = DatabaseHelper.getInstance(this); // get views tvRes = (TextView) findViewById(R.id.tvResult); btCatAdd = (Button) findViewById(R.id.btCatAdd); btEvnAdd = (Button) findViewById(R.id.btEvnAdd); etCatName = (EditText) findViewById(R.id.etCatName); etCatIcon = (EditText) findViewById(R.id.etCatIcon); etEvnIdcat = (EditText) findViewById(R.id.etEvnIdcat); etEvnWhen = (EditText) findViewById(R.id.etEvnWhen); etEvnName = (EditText) findViewById(R.id.etEvnName); btExportJson = (Button) findViewById(R.id.btExportJSON); btImportJson = (Button) findViewById(R.id.btImportJSON); btExportGson = (Button) findViewById(R.id.btExportGSON); btImportGson = (Button) findViewById(R.id.btImportGSON); btExportXml = (Button) findViewById(R.id.btExportXML); btImportXml = (Button) findViewById(R.id.btImportXML); // check external storage mounted and create folder else notify if (FileTool.checkExternalStorage()) { root = Environment.getExternalStorageDirectory(); exportDir = new File(root.getAbsolutePath()+"/berengar"); if (!exportDir.exists()) exportDir.mkdir(); if (exportDir.exists()) jsonFile = new File(exportDir,"events2.sqlite.json"); if (exportDir.exists()) xmlFile = new File(exportDir,"events2.sqlite.xml"); } // button btCatAdd listener btCatAdd.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String sName = etCatName.getText().toString(); String sIcon = etCatIcon.getText().toString(); if (getResources().getIdentifier(sIcon,"drawable",getPackageName())==0) sIcon = "ic_generic"; dbHelper.createCategory(new CategoryItem(sName,sIcon)); } }); // button btCatAdd listener btEvnAdd.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // date extraction SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); Date date = new Date(); try { date = formatter.parse(etEvnWhen.getText().toString()); } catch (ParseException e) { e.printStackTrace(); } Calendar calendar = Calendar.getInstance(); calendar.setTime(date); // other fields long iIdcat = Long.parseLong(etEvnIdcat.getText().toString()); long iWhen = calendar.getTimeInMillis(); String sName = etEvnName.getText().toString(); dbHelper.createEvent(new EventItem(iIdcat,iWhen,sName)); } }); // button btExport listener btExportJson.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // from database to json string String so = ""; try { so = DbTool.db2json(dbHelper.getHandleDB(),"events.sqlite").toString(3); // so = DbTool.jsonMinify(so); } catch (JSONException e) { Log.e(LOGTAG,"error in JSONObject.tostring()",e); } // from json string to text file try { FileTool.stringWrite(so,jsonFile,false); } catch (IOException e) { Log.e(LOGTAG,"error in FileWriter",e); } tvRes.setText("Database backup saved on SD"); } }); // button btImport listener btImportJson.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // from text file to json string String si = ""; try { si = FileTool.stringRead(jsonFile,false); } catch (IOException e) { Log.e(LOGTAG,"error in FileReader",e); } // from json string to database int iRes = 0; try { JSONObject jsonDB = new JSONObject(si); iRes = DbTool.json2db(dbHelper.getHandleDB(),jsonDB); } catch (JSONException e) { Log.e(LOGTAG,"error in new JSONObject(jsonDB)",e); } tvRes.setText("num tables : "+String.valueOf(iRes)); } }); // button btExport listener btExportGson.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // from database to json file int iRes = 0; iRes = DbTool.db2gson(dbHelper.getHandleDB(),jsonFile); tvRes.setText("num tables : "+String.valueOf(iRes)); } }); // button btImport listener btImportGson.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // from json file to database int iRes = 0; iRes = DbTool.gson2db(dbHelper.getHandleDB(),jsonFile); tvRes.setText("num tables : "+String.valueOf(iRes)); } }); // button btExportXML listener btExportXml.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // from database to xml file int iRes = 0; iRes = DbTool.db2xml(dbHelper.getHandleDB(),xmlFile); tvRes.setText("num tables : "+String.valueOf(iRes)); /* // from database to json string String so = ""; try { so = DbTool.db2xml(dbHelper.getHandleDB(),"events.xml"); } catch (Exception e) { Log.e(LOGTAG,"error in XML export",e); } // from xml string to text file try { FileTool.stringWrite(so,xmlFile,false); } catch (IOException e) { Log.e(LOGTAG,"error in FileWriter",e); } tvRes.setText("Database backup saved on SD"); */ } }); // button btImportXML listener btImportXml.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // from database to xml file int iRes = 0; iRes = DbTool.xml2db(dbHelper.getHandleDB(),xmlFile); tvRes.setText("num tables : "+String.valueOf(iRes)); /* // from text file to xml string String si = ""; try { si = FileTool.stringRead(xmlFile,false); } catch (IOException e) { Log.e(LOGTAG,"error in FileReader",e); } // from xml string to database int iRes = 0; try { iRes = DbTool.xml2db(dbHelper.getHandleDB(),si); } catch (Exception e) { Log.e(LOGTAG,"error in xml2db",e); } tvRes.setText("num tables : "+String.valueOf(iRes)); */ } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } }