diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5edb4ee
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+*.iml
+.gradle
+/local.properties
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
new file mode 100644
index 0000000..91c2b2c
Binary files /dev/null and b/.idea/caches/build_file_checksums.ser differ
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..30aa626
--- /dev/null
+++ b/.idea/codeStyles/Project.xml
@@ -0,0 +1,29 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
new file mode 100644
index 0000000..7ac24c7
--- /dev/null
+++ b/.idea/gradle.xml
@@ -0,0 +1,18 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..99202cc
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,34 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
new file mode 100644
index 0000000..7f68460
--- /dev/null
+++ b/.idea/runConfigurations.xml
@@ -0,0 +1,12 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/app/.gitignore b/app/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/app/build.gradle b/app/build.gradle
new file mode 100644
index 0000000..19f1823
--- /dev/null
+++ b/app/build.gradle
@@ -0,0 +1,28 @@
+apply plugin: 'com.android.application'
+
+android {
+ compileSdkVersion 28
+ defaultConfig {
+ applicationId "com.example.nikolavalcic.packbuddy"
+ minSdkVersion 15
+ targetSdkVersion 28
+ versionCode 1
+ versionName "1.0"
+ testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+ }
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+ }
+ }
+}
+
+dependencies {
+ implementation fileTree(dir: 'libs', include: ['*.jar'])
+ implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+ testImplementation 'junit:junit:4.12'
+ androidTestImplementation 'com.android.support.test:runner:1.0.2'
+ androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+ compile 'com.squareup.okhttp3:okhttp:3.4.1'
+}
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
new file mode 100644
index 0000000..f1b4245
--- /dev/null
+++ b/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/app/src/androidTest/java/com/example/nikolavalcic/packbuddy/ExampleInstrumentedTest.java b/app/src/androidTest/java/com/example/nikolavalcic/packbuddy/ExampleInstrumentedTest.java
new file mode 100644
index 0000000..2abfc62
--- /dev/null
+++ b/app/src/androidTest/java/com/example/nikolavalcic/packbuddy/ExampleInstrumentedTest.java
@@ -0,0 +1,26 @@
+package com.example.nikolavalcic.packbuddy;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see Testing documentation
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+ @Test
+ public void useAppContext() {
+ // Context of the app under test.
+ Context appContext = InstrumentationRegistry.getTargetContext();
+
+ assertEquals("com.example.nikolavalcic.packbuddy", appContext.getPackageName());
+ }
+}
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..692edf7
--- /dev/null
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,21 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/app/src/main/java/com/example/nikolavalcic/packbuddy/MainActivity.java b/app/src/main/java/com/example/nikolavalcic/packbuddy/MainActivity.java
new file mode 100644
index 0000000..029a1d3
--- /dev/null
+++ b/app/src/main/java/com/example/nikolavalcic/packbuddy/MainActivity.java
@@ -0,0 +1,337 @@
+package com.example.nikolavalcic.packbuddy;
+
+import android.app.Activity;
+import android.graphics.Color;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.Spinner;
+import android.widget.TextView;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.*;
+
+import java.util.ArrayList;
+import java.util.concurrent.ExecutionException;
+
+import okhttp3.OkHttpClient;
+
+
+
+
+import android.os.Bundle;
+//import android.support.design.widget.FloatingActionButton;
+//import android.support.design.widget.Snackbar;
+//import android.support.v7.app.AppCompatActivity;
+//import android.support.v7.widget.Toolbar;
+import android.view.View;
+import android.view.Menu;
+import android.view.MenuItem;
+
+import android.app.Activity;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.IOException;
+import java.lang.reflect.Array;
+import java.util.concurrent.ExecutionException;
+
+import okhttp3.Call;
+import okhttp3.Callback;
+import okhttp3.Credentials;
+import okhttp3.MediaType;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.RequestBody;
+import okhttp3.Response;
+
+import org.json.*;
+
+
+
+
+public class MainActivity extends Activity {
+
+ class Item{
+ String item;
+ Double weight;
+ Double price;
+ String currency;
+ public Item( String item, Double weight, Double price,String currency) {
+ this.item=item;
+ this.weight=weight;
+ this.price=price;
+ this.currency=currency;
+ }
+ }
+ ArrayList- items = new ArrayList
- ();
+
+ //list.add("Item2");
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_main);
+
+ Spinner dropdown3 = findViewById(R.id.spinner3);
+ String[] items = new String[]{"USD", "CAD", "EUR", "JPY", "GBP", "INR"};
+ ArrayAdapter adapter3 = new ArrayAdapter<>(this, android.R.layout.simple_spinner_dropdown_item, items);
+ dropdown3.setAdapter(adapter3);
+
+ Spinner dropdown2 = findViewById(R.id.spinner2);
+ ArrayAdapter adapter2 = new ArrayAdapter<>(this, android.R.layout.simple_spinner_dropdown_item, items);
+ dropdown2.setAdapter(adapter2);
+
+ Spinner dropdown1 = findViewById(R.id.spinner1);
+ ArrayAdapter adapter1 = new ArrayAdapter<>(this, android.R.layout.simple_spinner_dropdown_item, items);
+ dropdown1.setAdapter(adapter1);
+
+ Spinner dropdownDest = findViewById(R.id.destCur);
+ ArrayAdapter adapterDest = new ArrayAdapter<>(this, android.R.layout.simple_spinner_dropdown_item, items);
+ dropdownDest.setAdapter(adapterDest);
+ //dropdown1.select
+ Log.i("Selected", dropdown1.getSelectedItem().toString());
+ }
+
+ public void updateTable(){
+
+ }
+
+ public void printItems(){
+ for (int i=0; i=0; i--){
+ items.remove(i);
+ }
+ }
+
+
+ //get items as written in the table
+ public void getItems(){
+ clearItems();
+ LinearLayout root=(LinearLayout) findViewById(R.id.itemsPanel);
+
+ for (int i=1; i {
+
+ OkHttpClient client = new OkHttpClient();
+
+ @Override
+ protected String doInBackground(String...params) {
+
+ Log.e("PARAM 0", params[0]);
+
+ Request.Builder builder = new Request.Builder();
+ builder.url(params[0]); //params is all the arguments i think
+ builder.addHeader("Authorization", Credentials.basic("universityofwaterloo738297875", "ri5ump0mb771ukp2luajv50r43"));
+ Request request = builder.build();
+
+ try {
+ Log.i("DEBUG", "TRY ENTERED");
+ Response response = client.newCall(request).execute();
+ String s = response.body().string();
+ Log.i("side", s);
+ return s;
+ } catch (Exception e) {
+ Log.i("DEBUG", "EXCEPTION CAUGHT");
+ e.printStackTrace();
+ return null;
+ }
+ //return null;
+ }
+
+ @Override
+ protected void onPostExecute(String s) {
+ //super.onPostExecute(s);
+ Log.i("DEBUG", "executed post");
+ Log.e("DEBUG", " " + s);
+ Log.i("DEBUG", s);
+ //txtString.setText(s);
+ //txtString.setText("sdf");
+ //return s;
+ }
+ }
+
+ public void KnapSackAlgo(View view){
+
+ LinearLayout root=(LinearLayout) findViewById(R.id.itemsPanel);
+
+ for (int i=0; i= wt[i])
+ m2 = m[i - 1][j - wt[i]] + val[i];
+ /** select max of m1, m2 **/
+ m[i][j] = Math.max(m1, m2);
+ sol[i][j] = m2 > m1 ? 1 : 0;
+ }
+ }
+ /** make list of what all items to finally select **/
+ int[] selected = new int[N + 1];
+ for (int n = N, w = W; n > 0; n--) {
+ if (sol[n][w] != 0) {
+ selected[n] = 1;
+ w = w - wt[n];
+ } else
+ selected[n] = 0;
+ }
+ return selected;
+// /** Print finally selected items **/
+// System.out.println("\nItems selected : ");
+// for (int i = 1; i < N + 1; i++)
+// if (selected[i] == 1)
+// System.out.print(i + " ");
+// System.out.println();
+// }
+ }
+ }
+
+
+}
diff --git a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..c7bd21d
--- /dev/null
+++ b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,34 @@
+
+
+
+
+