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mstaritamstarita
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Added encrypted sample database Person
1 parent 37563f9 commit eca5c27

3 files changed

Lines changed: 152 additions & 1 deletion

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‎app/build.gradle‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -33,7 +33,7 @@ android {
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buildTypes {
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debug {
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resValue("string", "PORT_NUMBER", "8081")
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resValue("string", "DB_PASSWORD_CONTACT", "1234567890")
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resValue("string", "DB_PASSWORD_PERSON", "a_password")
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}
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release {
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minifyEnabled false
@@ -50,4 +50,6 @@ dependencies {
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compile 'com.android.support:appcompat-v7:25.0.0'
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testCompile 'junit:junit:4.12'
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debugCompile project(':debug-db')
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debugCompile 'net.zetetic:android-database-sqlcipher:3.5.7@aar'
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}

‎app/src/main/java/com/sample/MainActivity.java‎

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Original file line numberDiff line numberDiff line change
@@ -30,6 +30,7 @@
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import com.sample.database.CarDBHelper;
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import com.sample.database.ContactDBHelper;
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import com.sample.database.ExtTestDBHelper;
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import com.sample.database.PersonDBHelper;
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import com.sample.utils.Utils;
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import java.util.HashSet;
@@ -96,6 +97,17 @@ protected void onCreate(Bundle savedInstanceState) {
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}
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}
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// Create Person encrypted database
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PersonDBHelper personDBHelper = new PersonDBHelper(getApplicationContext());
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if (personDBHelper.count() == 0) {
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for (int i = 0; i < 100; i++) {
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String firstName = PersonDBHelper.PERSON_COLUMN_FIRST_NAME + "_" + i;
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String lastName = PersonDBHelper.PERSON_COLUMN_LAST_NAME + "_" + i;
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String address = PersonDBHelper.PERSON_COLUMN_ADDRESS + "_" + i;
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personDBHelper.insertPerson(firstName, lastName, address);
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}
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}
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Utils.setCustomDatabaseFiles(getApplicationContext());
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}
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‎app/src/main/java/com/sample/database/PersonDBHelper.java‎

Lines changed: 137 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,137 @@
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/*
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*
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* * Copyright (C) 2016 Amit Shekhar
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* * Copyright (C) 2011 Android Open Source Project
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* *
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* * Licensed under the Apache License, Version 2.0 (the "License");
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* * you may not use this file except in compliance with the License.
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* * You may obtain a copy of the License at
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* *
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* * http://www.apache.org/licenses/LICENSE-2.0
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* *
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* * Unless required by applicable law or agreed to in writing, software
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* * distributed under the License is distributed on an "AS IS" BASIS,
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* * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* * See the License for the specific language governing permissions and
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* * limitations under the License.
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*
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*/
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package com.sample.database;
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import android.app.Application;
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import android.content.ContentValues;
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import android.content.Context;
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import android.database.Cursor;
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import net.sqlcipher.DatabaseUtils;
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import net.sqlcipher.database.SQLiteDatabase;
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import net.sqlcipher.database.SQLiteOpenHelper;
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import java.util.ArrayList;
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public class PersonDBHelper extends SQLiteOpenHelper {
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public static final String DATABASE_NAME = "Person.db";
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public static final String PERSON_TABLE_NAME = "person";
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public static final String PERSON_COLUMN_ID = "id";
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public static final String PERSON_COLUMN_FIRST_NAME = "first_name";
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public static final String PERSON_COLUMN_LAST_NAME = "last_name";
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public static final String PERSON_COLUMN_ADDRESS = "address";
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private static final String DB_PASSWORD = "a_password";
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public PersonDBHelper(Context context) {
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super(context, DATABASE_NAME, null, 1);
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SQLiteDatabase.loadLibs(context);
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}
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@Override
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public void onCreate(SQLiteDatabase db) {
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db.execSQL(
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"create table person " +
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"(id integer primary key, first_name text, last_name text, address text)"
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);
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}
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@Override
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public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
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db.execSQL("DROP TABLE IF EXISTS person");
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onCreate(db);
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}
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public boolean insertPerson(String firstName, String lastName, String address) {
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SQLiteDatabase db = this.getWritableDatabase(DB_PASSWORD);
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ContentValues contentValues = new ContentValues();
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contentValues.put("first_name", firstName);
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contentValues.put("last_name", lastName);
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contentValues.put("address", address);
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db.insert("person", null, contentValues);
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db.close();
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return true;
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}
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public Cursor getData(int id) {
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SQLiteDatabase db = this.getReadableDatabase(DB_PASSWORD);
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Cursor res = db.rawQuery("select * from person where id=" + id + "", null);
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return res;
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}
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public int numberOfRows() {
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SQLiteDatabase db = this.getReadableDatabase(DB_PASSWORD);
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int numRows = (int) DatabaseUtils.queryNumEntries(db, PERSON_TABLE_NAME);
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return numRows;
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}
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public boolean updatePerson(Integer id, String firstName, String lastName, String address, float mileage) {
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SQLiteDatabase db = this.getWritableDatabase(DB_PASSWORD);
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ContentValues contentValues = new ContentValues();
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contentValues.put("first_name", firstName);
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contentValues.put("last_name", lastName);
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contentValues.put("address", address);
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db.update("person", contentValues, "id = ? ", new String[]{Integer.toString(id)});
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db.close();
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return true;
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}
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public Integer deletePerson(Integer id) {
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SQLiteDatabase db = this.getWritableDatabase(DB_PASSWORD);
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return db.delete("person",
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"id = ? ",
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new String[]{Integer.toString(id)});
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}
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public ArrayList<String> getAllPerson() {
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ArrayList<String> arrayList = new ArrayList<>();
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SQLiteDatabase db = this.getReadableDatabase(DB_PASSWORD);
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Cursor res = db.rawQuery("select * from person", null);
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res.moveToFirst();
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while (!res.isAfterLast()) {
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arrayList.add(
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res.getString(res.getColumnIndex(PERSON_COLUMN_FIRST_NAME)) + " " +
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res.getString(res.getColumnIndex(PERSON_COLUMN_LAST_NAME)));
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res.moveToNext();
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}
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res.close();
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db.close();
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return arrayList;
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}
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public int count() {
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SQLiteDatabase db = getReadableDatabase(DB_PASSWORD);
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Cursor cursor = db.rawQuery("select * from person", null);
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try {
125+
if (cursor != null && cursor.getCount() > 0) {
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cursor.moveToFirst();
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return cursor.getInt(0);
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} else {
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return 0;
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}
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}
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finally {
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cursor.close();
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db.close();
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}
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}
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}

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