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--- 2018:karlo_siladi:projektni_zadatak [2018/06/14 00:54]
ksiladi kod android aplikacije
+++ 2018:karlo_siladi:projektni_zadatak [2023/06/19 18:11] (trenutno)
@@ Redak 54: / Redak 54: @@
   * Bluetooth modul [[https://www.olimex.com/Products/Components/RF/BLUETOOTH-SERIAL-HC-06/resources/hc06.pdf|HC-06]]
-===== Arduino Uno - Centralna jedinica =====
+===== Arduino Uno/Duemilanove - Centralna jedinica =====
 Arduino Uno je razvojna platforma zasnovana na [[http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-42735-8-bit-AVR-Microcontroller-ATmega328-328P_Datasheet.pdf|ATmega328p]] mikrokontroleru. Ima 14 ulazno-izlaznih pinova (izvoda) od kojih 6 može biti iskorišteno za pulsno-širinsku modulaciju (engl. //pulse-width modulation, PWM//), 6 analognih ulaza, kvarcni oscilator frekvencije 16MHz, USB konektor za spajanje s računalom, konektor za napajanje, ICSP ( In Circuit Serial Programming ) konektor te tipkalo za reset mikrokontrolera.
@@ Redak 62: / Redak 62: @@
 {{:2018:karlo_siladi:uno_specifications.png?nolink&436x500|Arduino Uno specifications}}
-U našem sustavu Arduino Uno je centralna jedinica koja je zadužena za komunikaciju s ostalim podsustavima. Odabrana je zbog svoje pristupačnosti, cijene, kratkog vremena razvoja, jednostavnosti korištenja te cijene.
+U našem sustavu Arduino Uno/Duemilanove je centralna jedinica koja je zadužena za komunikaciju s ostalim podsustavima. Odabrana je zbog svoje pristupačnosti, cijene, kratkog vremena razvoja, jednostavnosti korištenja te cijene.
 ====== mp3 modul DFPlayer YX5200 ======
@@ Redak 88: / Redak 88: @@
 ===== Shema spajanja sustava =====
-{{:2018:karlo_siladi:shema_sustava2.png?nolink&400x285}}
+{{:2018:karlo_siladi:shema_sustava2.png?nolink&400x285}}{{  :2018:karlo_siladi:sustav_ozicenje.png?nolink&400x284}}
 ====== Prototipno kućište ======
@@ Redak 96: / Redak 97: @@
 Za lakše rukovanje sustav je smješten u plastično kućište. Zbog malog dometa RFID čitača isti je postavljen izvan kućišta. Također izvan se nalaze i slušalice.
-{{:2018:karlo_siladi:kuciste.jpg?nolink&300x400}}
+{{:2018:karlo_siladi:kuciste.jpg?nolink&300x400|kuciste.jpg}}
 ====== Komunikacija s vanjskim sustavima ======
@@ Redak 105: / Redak 106: @@
 ====== Android aplikacija ======
+Kod je dostupan na sljedećoj poveznici: http://pametne-kuce.zesoi.fer.hr/lib/exe/fetch.php?media=2018:karlo_siladi:spvp_apk.zip
 Struktura aplikacije je prikazana na slici:
-{{:2018:karlo_siladi:struktura_apk.png?nolink&500x384}}
+{{:2018:karlo_siladi:struktura_apk.png?direct&500x384}}
 ===== Android Studio =====
-[[https://developer.android.com/studio/|Za izradu Android aplikacije potrebno je instalirati razvojni alat Android Studio. Najnovija verzija trenutno je 3.1.3. a dostupna je za preuzimanje na sljedećoj poveznici: https://developer.android.com/studio/]]  .
+Za izradu Android aplikacije potrebno je instalirati razvojni alat Android Studio. Najnovija verzija trenutno je 3.1.3. a dostupna je za preuzimanje na sljedećoj poveznici:[[https://developer.android.com/studio/|https://developer.android.com/studio/]] .
-<font 12pt/inherit;;blue;;inherit>Detaljne upute za instalaciju razvojnog alata Android Studio</font>
+Detaljne upute za instalaciju razvojnog alata Android Studio
 [[https://developer.android.com/studio/install|https://developer.android.com/studio/install]]
 ==== Kreiranje projekta ====
-<font 12pt/inherit;;blue;;inherit>Nakon uspješne instalacije razvojnog alata potrebno je kreirati novi Android projekt. Kod stvaranja projekta potrebno je unijeti proizvoljno ime projekta. Korišteno ime je  CKGE_TMP_i SPVP_projekt CKGE_TMP_i . Stvara se novi direktorij istog imena u kojeg se spremaju programski kodovi, biblioteke te resursi potrebni za aplikaciju. Nakon toga potrebno je unijeti verziju platforme za koju se projekt izrađuje. Odabrana je verzija  CKGE_TMP_i API: 19 Android 4.4 (KitKat) CKGE_TMP_i  što je relativno stara verzija Android operacijskog sustava, ali je time omogućeno da se aplikacija može pokretati na većini mobilnih uređaja jer je pokretanje moguće i na svim novijim verzijama Androida.</font>
+Nakon uspješne instalacije razvojnog alata potrebno je kreirati novi Android projekt. Kod stvaranja projekta potrebno je unijeti proizvoljno ime projekta. Korišteno ime je SPVP_projekt . Stvara se novi direktorij istog imena u kojeg se spremaju programski kodovi, biblioteke te resursi potrebni za aplikaciju. Nakon toga potrebno je unijeti verziju platforme za koju se projekt izrađuje. Odabrana je verzija API: 19 Android 4.4 (KitKat) što je relativno stara verzija Android operacijskog sustava, ali je time omogućeno da se aplikacija može pokretati na većini mobilnih uređaja jer je pokretanje moguće i na svim novijim verzijama Androida.
-<font 12.0pt/inherit;;inherit;;inherit>Pri kreiranju novog projekta, stvoren je novi  CKGE_TMP_i Activity CKGE_TMP_i  koji prikazuje grafičko sučelje koje vidi korisnik pri pokretanju aplikacije. Potrebno je odabrati  CKGE_TMP_i Empty Activity CKGE_TMP_i  i dodijeliti mu naziv  CKGE_TMP_i MainActivity. CKGE_TMP_i</font>
+Pri kreiranju novog projekta, stvoren je novi Activity koji prikazuje grafičko sučelje koje vidi korisnik pri pokretanju aplikacije. Potrebno je odabrati Empty Activity i dodijeliti mu naziv MainActivity.
-===  AndroidManifest.xml  ===
+=== AndroidManifest.xml ===
-<font 12pt/inherit;;inherit;;inherit>Kako bi aplikacija ispravno radila potrebno je u datoteku  CKGE_TMP_i AndroidManifest.xml CKGE_TMP_i  dodati potrebne dozvole za korištenjem  CKGE_TMP_i Bluetooth CKGE_TMP_i  sučelja.</font>
+Kako bi aplikacija ispravno radila potrebno je u datoteku AndroidManifest.xml dodati potrebne dozvole za korištenjem Bluetooth sučelja.
-<font 9pt/inherit;;inherit;;inherit><uses-permission android:name="android.permission.BLUETOOTH" /></font>
+<code>
+<uses-permission android:name="android.permission.BLUETOOTH" />
+<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
+</code>
-<font 9pt/inherit;;inherit;;inherit><uses-permission android:name="android.permission.BLUETOOTH_ADMIN" /></font>
+Potrebno je i navesti sve Activity java razrede koji se koriste u aplikaciji. Korišteni su MainActivity , ProductInfoActivity i ProjectAboutActivity.
-<font 12.0pt/inherit;;inherit;;inherit>Potrebno je i navesti sve  CKGE_TMP_i Activity CKGE_TMP_i  java razrede koji se koriste u aplikaciji. Korišteni su  CKGE_TMP_i MainActivity CKGE_TMP_i ,  CKGE_TMP_i ProductInfoActivity CKGE_TMP_i  i  CKGE_TMP_i ProjectAboutActivity. CKGE_TMP_i</font>
+Oznakom intent-filter daje se do znanja Androd OS-u koju Activity treba pokrenuti prilikom pokretanja aplikacije. U manifestu se još navode i korištene ikone.
-<font 12.0pt/inherit;;inherit;;inherit>Oznakom  CKGE_TMP_i intent-filter  CKGE_TMP_i daje se do znanja Androd OS-u koju Activity treba pokrenuti prilikom pokretanja aplikacije. U manifestu se još navode i korištene ikone.</font>
+=== Struktura proizvoda ===
-<code><font inherit/inherit;;#e8bf6a;;inherit><?</font><font inherit/inherit;;#bababa;;inherit>xml version=</font><font inherit/inherit;;#6a8759;;inherit>"1.0"</font><font inherit/inherit;;#bababa;;inherit>encoding=</font><font inherit/inherit;;#6a8759;;inherit>"utf-8"</font><font inherit/inherit;;#e8bf6a;;inherit>?></font><font inherit/inherit;;#e8bf6a;;inherit><manifest</font><font inherit/inherit;;#bababa;;inherit>xmlns:</font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>=</font><font inherit/inherit;;#6a8759;;inherit>"http://schemas.android.com/apk/res/android"</font><font inherit/inherit;;#6a8759;;inherit></font><font inherit/inherit;;#bababa;;inherit>package=</font><font inherit/inherit;;#6a8759;;inherit>"com.example.karlosiladi.bazapodataka"</font><font inherit/inherit;;#e8bf6a;;inherit>></font><font inherit/inherit;;#e8bf6a;;inherit><uses-permission</font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:name=</font><font inherit/inherit;;#6a8759;;inherit>"android.permission.BLUETOOTH_ADMIN"</font><font inherit/inherit;;#e8bf6a;;inherit>/></font><font inherit/inherit;;#e8bf6a;;inherit><uses-permission</font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:name=</font><font inherit/inherit;;#6a8759;;inherit>"android.permission.BLUETOOTH"</font><font inherit/inherit;;#e8bf6a;;inherit>/></font><font inherit/inherit;;#e8bf6a;;inherit><application</font><font inherit/inherit;;#e8bf6a;;inherit></font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:allowBackup=</font><font inherit/inherit;;#6a8759;;inherit>"true"</font><font inherit/inherit;;#6a8759;;inherit></font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:icon=</font><font inherit/inherit;;#6a8759;;inherit>"@mipmap/ic_launcher_spvp"</font><font inherit/inherit;;#6a8759;;inherit></font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:label=</font><font inherit/inherit;;#6a8759;;inherit>"@string/app_name"</font><font inherit/inherit;;#6a8759;;inherit></font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:roundIcon=</font><font inherit/inherit;;#6a8759;;inherit>"@mipmap/ic_launcher_spvp_round"</font><font inherit/inherit;;#6a8759;;inherit></font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:supportsRtl=</font><font inherit/inherit;;#6a8759;;inherit>"true"</font><font inherit/inherit;;#6a8759;;inherit></font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:theme=</font><font inherit/inherit;;#6a8759;;inherit>"@style/AppTheme"</font><font inherit/inherit;;#e8bf6a;;inherit>></font><font inherit/inherit;;#e8bf6a;;inherit><activity</font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:name=</font><font inherit/inherit;;#6a8759;;inherit>".ProductInfoActivity"</font><font inherit/inherit;;#e8bf6a;;inherit>/></font><font inherit/inherit;;#e8bf6a;;inherit><activity</font><font inherit/inherit;;#e8bf6a;;inherit></font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:name=</font><font inherit/inherit;;#6a8759;;inherit>".MainActivity"</font><font inherit/inherit;;#6a8759;;inherit></font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:label=</font><font inherit/inherit;;#6a8759;;inherit>"@string/title_activity_main"</font><font inherit/inherit;;#6a8759;;inherit></font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:screenOrientation=</font><font inherit/inherit;;#6a8759;;inherit>"landscape"</font><font inherit/inherit;;#6a8759;;inherit></font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:theme=</font><font inherit/inherit;;#6a8759;;inherit>"@style/AppTheme.NoActionBar"</font><font inherit/inherit;;#e8bf6a;;inherit>></font><font inherit/inherit;;#e8bf6a;;inherit><intent-filter></font><font inherit/inherit;;#e8bf6a;;inherit><action</font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:name=</font><font inherit/inherit;;#6a8759;;inherit>"android.intent.action.MAIN"</font><font inherit/inherit;;#e8bf6a;;inherit>/></font><font inherit/inherit;;#e8bf6a;;inherit><category</font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:name=</font><font inherit/inherit;;#6a8759;;inherit>"android.intent.category.LAUNCHER"</font><font inherit/inherit;;#e8bf6a;;inherit>/></font><font inherit/inherit;;#e8bf6a;;inherit></intent-filter></font><font inherit/inherit;;#e8bf6a;;inherit></activity></font><font inherit/inherit;;#e8bf6a;;inherit><activity</font><font inherit/inherit;;#9876aa;;inherit>android</font><font inherit/inherit;;#bababa;;inherit>:name=</font><font inherit/inherit;;#6a8759;;inherit>".ProjectAboutActivity"</font><font inherit/inherit;;#e8bf6a;;inherit>/></font><font inherit/inherit;;#e8bf6a;;inherit></application></font><font inherit/inherit;;#e8bf6a;;inherit></manifest></font></code>
+<code>
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.karlosiladi.bazapodataka">
-=== Struktura proizvoda ===
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
+    <uses-permission android:name="android.permission.BLUETOOTH" />
-<code><font inherit/inherit;;#cc7832;;inherit>public class</font>Products {
+    <application
-    <font inherit/inherit;;#bbb529;;inherit>@NonNull</font><font inherit/inherit;;#bbb529;;inherit>@PrimaryKey</font><font inherit/inherit;;#bbb529;;inherit></font><font inherit/inherit;;#cc7832;;inherit>private</font>String <font inherit/inherit;;#9876aa;;inherit>productId</font><font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit>private</font>String <font inherit/inherit;;#9876aa;;inherit>productName</font><font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit>private</font>String <font inherit/inherit;;#9876aa;;inherit>productPrice</font><font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit>public</font><font inherit/inherit;;#ffc66d;;inherit>Products</font>() {
+        android:allowBackup="true"
-    }
+        android:icon="@mipmap/ic_launcher_spvp"
-    <font inherit/inherit;;#cc7832;;inherit>public</font>String <font inherit/inherit;;#ffc66d;;inherit>getProductId</font>() { <font inherit/inherit;;#cc7832;;inherit>return</font><font inherit/inherit;;#9876aa;;inherit>productId</font><font inherit/inherit;;#cc7832;;inherit>;</font>}
+        android:label="@string/app_name"
-    <font inherit/inherit;;#cc7832;;inherit>public void</font><font inherit/inherit;;#ffc66d;;inherit>setProductId</font>(String productId) { <font inherit/inherit;;#cc7832;;inherit>this</font>.<font inherit/inherit;;#9876aa;;inherit>productId</font>= productId<font inherit/inherit;;#cc7832;;inherit>;</font>}
+        android:roundIcon="@mipmap/ic_launcher_spvp_round"
-    <font inherit/inherit;;#cc7832;;inherit>public</font>String <font inherit/inherit;;#ffc66d;;inherit>getProductName</font>() { <font inherit/inherit;;#cc7832;;inherit>return</font><font inherit/inherit;;#9876aa;;inherit>productName</font><font inherit/inherit;;#cc7832;;inherit>;</font>}
+        android:supportsRtl="true"
-    <font inherit/inherit;;#cc7832;;inherit>public void</font><font inherit/inherit;;#ffc66d;;inherit>setProductName</font>(String productName) { <font inherit/inherit;;#cc7832;;inherit>this</font>.<font inherit/inherit;;#9876aa;;inherit>productName</font>= productName<font inherit/inherit;;#cc7832;;inherit>;</font>}
+        android:theme="@style/AppTheme">
-    <font inherit/inherit;;#cc7832;;inherit>public</font>String <font inherit/inherit;;#ffc66d;;inherit>getProductPrice</font>() { <font inherit/inherit;;#cc7832;;inherit>return</font><font inherit/inherit;;#9876aa;;inherit>productPrice</font><font inherit/inherit;;#cc7832;;inherit>;</font>}
+        <activity android:name=".ProductInfoActivity" />
-    <font inherit/inherit;;#cc7832;;inherit>public void</font><font inherit/inherit;;#ffc66d;;inherit>setProductPrice</font>(String productPrice) {<font inherit/inherit;;#cc7832;;inherit>this</font>.<font inherit/inherit;;#9876aa;;inherit>productPrice</font>= productPrice<font inherit/inherit;;#cc7832;;inherit>;</font>}
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/title_activity_main"
+            android:screenOrientation="landscape"
+            android:theme="@style/AppTheme.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity android:name=".ProjectAboutActivity" />
+    </application>
-}
+</manifest>
 </code>
 === Baza podataka ===
-<code><font inherit/inherit;;#bbb529;;inherit>@Database</font>(<font inherit/inherit;;#d0d0ff;;inherit>entities</font>= {Products.<font inherit/inherit;;#cc7832;;inherit>class</font>}<font inherit/inherit;;#cc7832;;inherit>,</font><font inherit/inherit;;#d0d0ff;;inherit>version</font>= <font inherit/inherit;;#6897bb;;inherit>1</font><font inherit/inherit;;#cc7832;;inherit>,</font><font inherit/inherit;;#d0d0ff;;inherit>exportSchema</font>= <font inherit/inherit;;#cc7832;;inherit>false</font>)
+<code>
-<font inherit/inherit;;#cc7832;;inherit>public abstract class</font>ProductDatabase <font inherit/inherit;;#cc7832;;inherit>extends</font>RoomDatabase {
+@Database(entities = {Products.class}, version = 1, exportSchema = false)
-    <font inherit/inherit;;#cc7832;;inherit>private static final</font>String <font inherit/inherit;;#9876aafont-style:italic;;;inherit>DATABASE_NAME</font>= <font inherit/inherit;;#6a8759;;inherit>"products_db"</font><font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit>private static</font>ProductDatabase <font inherit/inherit;;#9876aafont-style:italic;;;inherit>INSTANCE</font><font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit>public abstract</font>DaoAccess <font inherit/inherit;;#ffc66d;;inherit>daoAccess</font>() <font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit>public static</font>ProductDatabase <font inherit/inherit;;#ffc66d;;inherit>getProductDatabase</font>(Context context) {
+public abstract class ProductDatabase extends RoomDatabase {
-   <font inherit/inherit;;#cc7832;;inherit>if</font>(<font inherit/inherit;;#9876aafont-style:italic;;;inherit>INSTANCE</font>== <font inherit/inherit;;#cc7832;;inherit>null</font>) {
-   <font inherit/inherit;;#9876aafont-style:italic;;;inherit>INSTANCE</font>=
+    private static final String DATABASE_NAME = "products_db";
-   Room.<font inherit/inherit;;inherit;;inherit>databaseBuilder</font>(context.getApplicationContext()<font inherit/inherit;;#cc7832;;inherit>,</font>ProductDatabase.<font inherit/inherit;;#cc7832;;inherit>class,</font><font inherit/inherit;;#9876aafont-style:italic;;;inherit>DATABASE_NAME</font>)
+    private static ProductDatabase INSTANCE;
-   .allowMainThreadQueries()
+    public abstract DaoAccess daoAccess() ;
-                            .build()<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font>}
-   <font inherit/inherit;;#cc7832;;inherit>return</font><font inherit/inherit;;#9876aafont-style:italic;;;inherit>INSTANCE</font><font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font>}
+    public static ProductDatabase getProductDatabase(Context context) {
-    <font inherit/inherit;;#cc7832;;inherit>public static void</font><font inherit/inherit;;#ffc66d;;inherit>destroyInstance</font>() {
+        if (INSTANCE == null) {
-   <font inherit/inherit;;#9876aafont-style:italic;;;inherit>INSTANCE</font>= <font inherit/inherit;;#cc7832;;inherit>null;</font><font inherit/inherit;;#cc7832;;inherit></font>}
+            INSTANCE =
+                    Room.databaseBuilder(context.getApplicationContext(), ProductDatabase.class, DATABASE_NAME)
+                            .allowMainThreadQueries()
+                            .build();
+        }
+        return INSTANCE;
+    }
+    public static void destroyInstance() {
+        INSTANCE = null;
+    }
 }
 </code>
 === Sučelje za slanje upita na bazu ===
-<code><font inherit/inherit;;#cc7832;;inherit>public interface</font>DaoAccess {
+<code>
-    <font inherit/inherit;;#bbb529;;inherit>@Insert</font><font inherit/inherit;;#bbb529;;inherit></font><font inherit/inherit;;#cc7832;;inherit>void</font><font inherit/inherit;;#ffc66d;;inherit>insertSingleProduct</font>(Products product)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#bbb529;;inherit>@Insert</font><font inherit/inherit;;#bbb529;;inherit></font><font inherit/inherit;;#cc7832;;inherit>void</font><font inherit/inherit;;#ffc66d;;inherit>insertMultipleProducts</font>(List<Products> productsList)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#bbb529;;inherit>@Query</font>(<font inherit/inherit;;#6a8759;;inherit>"SELECT * FROM Products WHERE productId = :productId"</font>)
+ public interface DaoAccess {
-    Products <font inherit/inherit;;#ffc66d;;inherit>fetchProductByProductId</font>(String productId)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#bbb529;;inherit>@Query</font>(<font inherit/inherit;;#6a8759;;inherit>"SELECT * FROM Products"</font>)
+    @Insert
-    List<Products> <font inherit/inherit;;#ffc66d;;inherit>getProducts</font>()<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#bbb529;;inherit>@Update</font><font inherit/inherit;;#bbb529;;inherit></font><font inherit/inherit;;#cc7832;;inherit>void</font><font inherit/inherit;;#ffc66d;;inherit>updateProduct</font>(Products product)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#bbb529;;inherit>@Delete</font><font inherit/inherit;;#bbb529;;inherit></font><font inherit/inherit;;#cc7832;;inherit>void</font><font inherit/inherit;;#ffc66d;;inherit>deleteProduct</font>(Products product)<font inherit/inherit;;#cc7832;;inherit>;</font>}
+    void insertSingleProduct (Products product);
+    @Insert
+    void insertMultipleProducts (List<Products> productsList);
+    @Query("SELECT * FROM Products WHERE productId = :productId")
+    Products fetchProductByProductId (String productId);
+    @Query("SELECT * FROM Products")
+    List<Products> getProducts();
+    @Update
+    void updateProduct (Products product);
+    @Delete
+    void deleteProduct (Products product);
+}
 </code>
 === Bluetooth handler i reprodukcija zapisa ===
-<code><font inherit/inherit;;#9876aa;;inherit>h</font>= <font inherit/inherit;;#cc7832;;inherit>new</font>Handler() {
+<code>
-    <font inherit/inherit;;#cc7832;;inherit>public void</font><font inherit/inherit;;#ffc66d;;inherit>handleMessage</font>(android.os.Message msg) {
+        h = new Handler() {
-   <font inherit/inherit;;#cc7832;;inherit>switch</font>(msg.<font inherit/inherit;;#9876aa;;inherit>what</font>) {
+            public void handleMessage(android.os.Message msg) {
-   <font inherit/inherit;;#cc7832;;inherit>case</font><font inherit/inherit;;#9876aa;;inherit>RECIEVE_MESSAGE</font>:
+                switch (msg.what) {
-   <font inherit/inherit;;#cc7832;;inherit>byte</font>[] readBuf = (<font inherit/inherit;;#cc7832;;inherit>byte</font>[]) msg.<font inherit/inherit;;#9876aa;;inherit>obj</font><font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font>String strIncom = <font inherit/inherit;;#cc7832;;inherit>new</font>String(readBuf<font inherit/inherit;;#cc7832;;inherit>,</font><font inherit/inherit;;#6897bb;;inherit>0</font><font inherit/inherit;;#cc7832;;inherit>,</font>msg.<font inherit/inherit;;#9876aa;;inherit>arg1</font>)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#9876aa;;inherit>sb</font>.append(strIncom)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit>int</font>endOfLineIndex = <font inherit/inherit;;#9876aa;;inherit>sb</font>.indexOf(<font inherit/inherit;;#6a8759;;inherit>"</font><font inherit/inherit;;#cc7832;;inherit>\r\n</font><font inherit/inherit;;#6a8759;;inherit>"</font>)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit>if</font>(endOfLineIndex > <font inherit/inherit;;#6897bb;;inherit>0</font>) {
+                    case RECIEVE_MESSAGE:
-   String sbprint = <font inherit/inherit;;#9876aa;;inherit>sb</font>.substring(<font inherit/inherit;;#6897bb;;inherit>0</font><font inherit/inherit;;#cc7832;;inherit>,</font>endOfLineIndex)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#9876aa;;inherit>sb</font>.delete(<font inherit/inherit;;#6897bb;;inherit>0</font><font inherit/inherit;;#cc7832;;inherit>,</font><font inherit/inherit;;#9876aa;;inherit>sb</font>.length())<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#808080;;inherit>//Toast.makeText(MainActivity.this, "From Arduino: " + sbprint, Toast.LENGTH_SHORT).show();</font><font inherit/inherit;;#808080;;inherit></font><font inherit/inherit;;#cc7832;;inherit>if</font>(<font inherit/inherit;;#9876aa;;inherit>mPlayer</font>!= <font inherit/inherit;;#cc7832;;inherit>null</font>) {
+                        byte[] readBuf = (byte[]) msg.obj;
-   <font inherit/inherit;;#9876aa;;inherit>mPlayer</font>.stop()<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font>}
+                        String strIncom = new String(readBuf, 0, msg.arg1);
-   Products product = <font inherit/inherit;;#9876aa;;inherit>db</font>.daoAccess().fetchProductByProductId(sbprint)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit>if</font>(product == <font inherit/inherit;;#cc7832;;inherit>null</font>){
+                        sb.append(strIncom);
-   Toast.<font inherit/inherit;;inherit;;inherit>makeText</font>(MainActivity.<font inherit/inherit;;#cc7832;;inherit>this,</font><font inherit/inherit;;#6a8759;;inherit>"Ne postoji proizvod s ID: "</font>+ sbprint +<font inherit/inherit;;#6a8759;;inherit>" u bazi proizvoda!"</font><font inherit/inherit;;#cc7832;;inherit>,</font>Toast.<font inherit/inherit;;#9876aafont-style:italic;;;inherit>LENGTH_SHORT</font>).show()<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#808080;;inherit>// mPlayer = MediaPlayer.create(MainActivity.this, R.raw.error_sound);</font><font inherit/inherit;;#808080;;inherit>// mPlayer.start();</font><font inherit/inherit;;#808080;;inherit></font><font inherit/inherit;;#9876aa;;inherit>mPlayer</font>= MediaPlayer.<font inherit/inherit;;inherit;;inherit>create</font>(MainActivity.<font inherit/inherit;;#cc7832;;inherit>this,</font>R.raw.<font inherit/inherit;;#9876aafont-style:italic;;;inherit>nemaubazi</font>)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#9876aa;;inherit>mPlayer</font>.start()<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#9876aa;;inherit>productNameTextView</font>.setText(<font inherit/inherit;;#6a8759;;inherit>"Skeniraj sljedeći proizvod..."</font>)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#9876aa;;inherit>productPriceTextView</font>.setText(<font inherit/inherit;;#6a8759;;inherit>""</font>)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font>} <font inherit/inherit;;#cc7832;;inherit>else</font>{
+                        int endOfLineIndex = sb.indexOf("\r\n");
-   <font inherit/inherit;;#9876aa;;inherit>productNameTextView</font>.setText(product.getProductName())<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#9876aa;;inherit>productPriceTextView</font>.setText(product.getProductPrice())<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font>String id = product.getProductId()<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit>int</font>res = MainActivity.<font inherit/inherit;;#cc7832;;inherit>this</font>.getResources().getIdentifier(<font inherit/inherit;;#6a8759;;inherit>"t"</font>+id<font inherit/inherit;;#cc7832;;inherit>,</font><font inherit/inherit;;#6a8759;;inherit>"raw"</font><font inherit/inherit;;#cc7832;;inherit>,</font>MainActivity.<font inherit/inherit;;#cc7832;;inherit>this</font>.getPackageName())<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit>if</font>(res != <font inherit/inherit;;#6897bb;;inherit>0</font>) {
+                        if (endOfLineIndex> 0) {
-   <font inherit/inherit;;#9876aa;;inherit>mPlayer</font>= MediaPlayer.<font inherit/inherit;;inherit;;inherit>create</font>(MainActivity.<font inherit/inherit;;#cc7832;;inherit>this,</font>res)<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font><font inherit/inherit;;#9876aa;;inherit>mPlayer</font>.start()<font inherit/inherit;;#cc7832;;inherit>;</font><font inherit/inherit;;#cc7832;;inherit></font>}
+                            String sbprint = sb.substring(0, endOfLineIndex);
-   }
+                            sb.delete(0, sb.length());
+                            //Toast.makeText(MainActivity.this, "From Arduino: " + sbprint, Toast.LENGTH_SHORT).show();
+                            if(mPlayer != null) {
+                                mPlayer.stop();
+                            }
+                            Products product = db.daoAccess().fetchProductByProductId(sbprint);
+                            if(product == null){
+                                Toast.makeText(MainActivity.this, "Ne postoji proizvod s ID: "+ sbprint +" u bazi proizvoda!", Toast.LENGTH_SHORT).show();
+                               // mPlayer = MediaPlayer.create(MainActivity.this, R.raw.error_sound);
+                               // mPlayer.start();
+                                mPlayer = MediaPlayer.create(MainActivity.this, R.raw.nemaubazi);
+                                mPlayer.start();
+                                productNameTextView.setText("Skeniraj sljedeći proizvod...");
+                                productPriceTextView.setText("");
+                            } else {
+                                productNameTextView.setText(product.getProductName());
+                                productPriceTextView.setText(product.getProductPrice());
+                                String id = product.getProductId();
+                                int res = MainActivity.this.getResources().getIdentifier("t"+id, "raw", MainActivity.this.getPackageName());
+                                if(res != 0) {
+                                    mPlayer = MediaPlayer.create(MainActivity.this, res);
+                                    mPlayer.start();
+                                }
+                            }
+                        }
+                        break;
                 }
-                <font inherit/inherit;;#cc7832;;inherit>break;</font><font inherit/inherit;;#cc7832;;inherit></font>}
+            };
-    }<font inherit/inherit;;#cc7832;;inherit>;</font>}<font inherit/inherit;;#cc7832;;inherit>;</font></code>
+        };
+</code>

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