task for Piotr

foodinder_app/app/build.gradle

@@ -3,12 +3,16 @@ apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-android'
 
 android {
+    packagingOptions {
+        exclude 'META-INF/DEPENDENCIES'
+    }
     compileSdkVersion 28
     buildToolsVersion "28.0.3"
     defaultConfig {
         applicationId "com.example.foodinder_app"
         minSdkVersion 16
         targetSdkVersion 28
+        multiDexEnabled true
         versionCode 1
         versionName "1.0"
     }
@@ -27,6 +31,9 @@ dependencies {
     implementation 'com.android.support:cardview-v7:25.0.0'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    implementation 'com.google.api-client:google-api-client:1.30.6'
+    implementation 'com.google.oauth-client:google-oauth-client-jetty:1.30.4'
+    implementation 'com.google.apis:google-api-services-sheets:v4-rev9-1.22.0'
 }
 allprojects {
     repositories {

foodinder_app/app/src/main/AndroidManifest.xml

@@ -2,6 +2,12 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.foodinder_app">
 
+    <uses-permission android:name="android.permission.INTERNET"/>
+
+
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"

foodinder_app/app/src/main/java/com/example/foodinder_app/Main2Activity.java

@@ -4,10 +4,18 @@ import android.content.Intent;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.view.View;
+import android.widget.TextView;
+
+import java.io.IOException;
+import java.security.GeneralSecurityException;
 
 public class Main2Activity extends AppCompatActivity {
 
     private View button;
+    private View button2;
+    private TextView text;
+    private SheetsQuickstart sheetsQuickstart;
+    public static String stringen;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -15,6 +23,9 @@ public class Main2Activity extends AppCompatActivity {
         setContentView(R.layout.activity_main2);
 
         button = findViewById(R.id.button);
+        text = (TextView) findViewById(R.id.textView);
+        button2 = findViewById(R.id.button2);
+        sheetsQuickstart = new SheetsQuickstart();
 
         button.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -24,5 +35,25 @@ public class Main2Activity extends AppCompatActivity {
                 startActivity(intent);
             }
         });
+
+        button2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view)
+            {
+                new Thread() {
+                    @Override
+                    public void run() {
+                        try {
+                            stringen = sheetsQuickstart.return_sheet();
+                        } catch (IOException e) {
+                            stringen = "Problem";
+                        } catch (GeneralSecurityException e) {
+                            stringen = "Problem";
+                        }
+                    }
+                }.start();
+                text.setText(stringen);
+            }
+        });
     }
 }

foodinder_app/app/src/main/java/com/example/foodinder_app/SheetsQuickstart.java

@@ -0,0 +1,108 @@
+package com.example.foodinder_app;
+
+import com.google.api.client.auth.oauth2.Credential;
+import com.google.api.client.extensions.java6.auth.oauth2.AuthorizationCodeInstalledApp;
+import com.google.api.client.extensions.jetty.auth.oauth2.LocalServerReceiver;
+import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow;
+import com.google.api.client.googleapis.auth.oauth2.GoogleClientSecrets;
+import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
+import com.google.api.client.http.javanet.NetHttpTransport;
+import com.google.api.client.json.JsonFactory;
+import com.google.api.client.json.jackson2.JacksonFactory;
+import com.google.api.client.util.store.FileDataStoreFactory;
+import com.google.api.services.sheets.v4.Sheets;
+import com.google.api.services.sheets.v4.SheetsScopes;
+import com.google.api.services.sheets.v4.model.ValueRange;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.security.GeneralSecurityException;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+public class SheetsQuickstart {
+    private static final String APPLICATION_NAME = "@string/app_name";
+    private static final JsonFactory JSON_FACTORY = JacksonFactory.getDefaultInstance();
+    private static final String TOKENS_DIRECTORY_PATH = "tokens";
+
+    /**
+     * Global instance of the scopes required by this quickstart.
+     * If modifying these scopes, delete your previously saved tokens/ folder.
+     */
+    private static final List<String> SCOPES = Collections.singletonList(SheetsScopes.SPREADSHEETS); //_READONLY
+    private static final String CREDENTIALS_FILE_PATH = "/credentials.json";
+
+    /**
+     * Creates an authorized Credential object.
+     * @param HTTP_TRANSPORT The network HTTP Transport.
+     * @return An authorized Credential object.
+     * @throws IOException If the credentials.json file cannot be found.
+     */
+    private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
+        // Load client secrets.
+        InputStream in = SheetsQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
+        if (in == null) {
+            throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
+        }
+        GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));
+
+        // Build flow and trigger user authorization request.
+        GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
+                HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
+                .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
+                .setAccessType("offline")
+                .build();
+        LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
+        return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
+    }
+
+    /**
+     * Prints the names and majors of students in a sample spreadsheet:
+     * https://docs.google.com/spreadsheets/d/1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms/edit
+     */
+    public String return_sheet() throws IOException, GeneralSecurityException {
+        // Build a new authorized API client service.
+
+        final NetHttpTransport HTTP_TRANSPORT = new com.google.api.client.http.javanet.NetHttpTransport();
+        final String spreadsheetId = "10nkzldxOYVa1OoFbdC8aLUGEqq3tgLsF-Jz_XlQfj0s";
+        final String range = "(Interfejs + Logi uzytkownika)!D10";
+        Sheets service = new Sheets.Builder(HTTP_TRANSPORT, JSON_FACTORY, getCredentials(HTTP_TRANSPORT))
+                .setApplicationName(APPLICATION_NAME)
+                .build();
+        ValueRange response = service.spreadsheets().values()
+                .get(spreadsheetId, range)
+                .execute();
+        List<List<Object>> values = response.getValues();
+
+    /*
+        ValueRange requestBody = new ValueRange();
+        requestBody.setValues(
+                Arrays.asList(
+                        Arrays.asList("Row 1 Cell 1", "Row 1 Cell 2", "Row 1 Cell 3"),
+                        Arrays.asList("Row 2 Cell 1", "Row 2 Cell 2", "Row 2 Cell 3")));
+
+        Sheets.Spreadsheets.Values.Update request2 =
+                service.spreadsheets().values().update(spreadsheetId, "(Interfejs + Logi użytkownika)!K32", requestBody).setValueInputOption("RAW"); //USER_ENTERED?
+        request2.execute();
+        */
+
+        StringBuilder stringBuilder = new StringBuilder();
+
+        if (values == null || values.isEmpty()) {
+            stringBuilder.append("No data found.");
+        } else {
+            stringBuilder.append("Name, Major");
+            for (List row : values) {
+                // Print columns A and E, which correspond to indices 0 and 4.
+                stringBuilder.append(row.get(0));
+            }
+        }
+
+        String string = stringBuilder.toString();
+        return string;
+    }
+}
+// [END sheets_quickstart]

foodinder_app/app/src/main/res/layout/activity_main2.xml

@@ -16,4 +16,20 @@
         app:layout_constraintHorizontal_bias="0.5"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="TextView"
+        tools:layout_editor_absoluteX="181dp"
+        tools:layout_editor_absoluteY="420dp" />
+
+    <Button
+        android:id="@+id/button2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Show Google sheet"
+        tools:layout_editor_absoluteX="160dp"
+        tools:layout_editor_absoluteY="280dp" />
 </android.support.constraint.ConstraintLayout>

foodinder_app/app/src/main/resources/credentials.json

@@ -0,0 +1 @@
+{"installed":{"client_id":"938133417828-a6lfc898k3di2e41uvab0q3825b3v0p7.apps.googleusercontent.com","project_id":"quickstart-1574691190977","auth_uri":"https://accounts.google.com/o/oauth2/auth","token_uri":"https://oauth2.googleapis.com/token","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs","client_secret":"Nfw-2UKc-zK81mm-AHTK3x4O","redirect_uris":["urn:ietf:wg:oauth:2.0:oob","http://localhost"]}}

foodinder_app/build.gradle

@@ -7,7 +7,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.2'
+        classpath 'com.android.tools.build:gradle:3.5.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong