Mogu se kreirati objave, kad se potvrde, mogu se videti na main stranici. Jos se ne moze videti ko je postavio (username) i sortirati, to kasnije.

app/build.gradle.kts

@@ -40,6 +40,8 @@ dependencies {
 
     implementation("com.squareup.retrofit2:retrofit:2.9.0")
     implementation("com.squareup.retrofit2:converter-gson:2.9.0")
+    implementation ("com.github.bumptech.glide:glide:4.16.0")
+    annotationProcessor ("com.github.bumptech.glide:compiler:4.16.0")
 
     testImplementation(libs.junit)
     androidTestImplementation(libs.ext.junit)

app/src/main/AndroidManifest.xml

@@ -16,7 +16,8 @@
         <activity
             android:name=".NewPostActivity"
             android:exported="false"
-            tools:ignore="Instantiatable" />
+            tools:ignore="Instantiatable"
+            android:windowSoftInputMode="adjustResize|stateHidden"/>
         <activity
             android:name=".RegisterActivity"
             android:exported="false" />

app/src/main/java/com/example/gallery/LoginActivity.java

@@ -4,6 +4,7 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatActivity;
@@ -12,7 +13,6 @@ import com.example.gallery.api.ApiClient;
 import com.example.gallery.api.ApiService;
 import com.example.gallery.models.LoginRequest;
 import com.example.gallery.models.LoginResponse;
-import com.example.gallery.UserResponse;
 
 import retrofit2.Call;
 import retrofit2.Callback;
@@ -20,84 +20,60 @@ import retrofit2.Response;
 
 public class LoginActivity extends AppCompatActivity {
 
-    EditText usernameEdit, passwordEdit;
-    Button loginBtn;
+    private EditText usernameEdit, passwordEdit;
+    private Button loginBtn;
+    private TextView registerTV;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_login);
 
-        // Updated ids from your XML
         usernameEdit = findViewById(R.id.usernameTxt);
         passwordEdit = findViewById(R.id.userpasswordTxt);
         loginBtn = findViewById(R.id.btnLogin);
+        registerTV = findViewById(R.id.registerTV);
 
-        loginBtn.setOnClickListener(v -> {
-            String username = usernameEdit.getText().toString().trim();
-            String password = passwordEdit.getText().toString().trim();
+        loginBtn.setOnClickListener(v -> login());
+    }
 
-            if (username.isEmpty() || password.isEmpty()) {
-                Toast.makeText(LoginActivity.this, "All fields are required", Toast.LENGTH_SHORT).show();
-                return;
+    private void login() {
+        String username = usernameEdit.getText().toString().trim();
+        String password = passwordEdit.getText().toString().trim();
+
+        if (username.isEmpty() || password.isEmpty()) {
+            Toast.makeText(this, "All fields are required", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        ApiService apiService = ApiClient.getClient().create(ApiService.class);
+        LoginRequest request = new LoginRequest(username, password);
+
+        apiService.login(request).enqueue(new Callback<LoginResponse>() {
+            @Override
+            public void onResponse(Call<LoginResponse> call, Response<LoginResponse> response) {
+                if (response.isSuccessful() && response.body() != null) {
+
+                    // 🔑 STORE RAW TOKEN ONLY
+                    getSharedPreferences("MyAppPrefs", MODE_PRIVATE)
+                            .edit()
+                            .putString("authToken", response.body().getToken())
+                            .putBoolean("isLoggedIn", true)
+                            .apply();
+
+                    Toast.makeText(LoginActivity.this, "Login successful", Toast.LENGTH_SHORT).show();
+
+                    startActivity(new Intent(LoginActivity.this, MainActivity.class));
+                    finish();
+                } else {
+                    Toast.makeText(LoginActivity.this, "Login failed", Toast.LENGTH_SHORT).show();
+                }
             }
 
-            ApiService apiService = ApiClient.getClient().create(ApiService.class);
-            LoginRequest request = new LoginRequest(username, password);
-
-            // 🔹 Login API call
-            apiService.login(request).enqueue(new Callback<LoginResponse>() {
-                @Override
-                public void onResponse(Call<LoginResponse> call, Response<LoginResponse> response) {
-                    if (response.isSuccessful() && response.body() != null) {
-                        String token = "Token " + response.body().getToken();
-
-                        // 🔹 Save token & login state in SharedPreferences
-                        getSharedPreferences("MyAppPrefs", MODE_PRIVATE)
-                                .edit()
-                                .putString("authToken", token)
-                                .putBoolean("isLoggedIn", true)
-                                .apply();
-
-                        Toast.makeText(LoginActivity.this, "Login successful", Toast.LENGTH_SHORT).show();
-
-                        // 🔹 Verify token with /api/auth/me/
-                        apiService.getMe(token).enqueue(new Callback<UserResponse>() {
-                            @Override
-                            public void onResponse(Call<UserResponse> call, Response<UserResponse> response) {
-                                if (response.isSuccessful() && response.body() != null) {
-                                    Toast.makeText(LoginActivity.this,
-                                            "Welcome " + response.body().getUsername(),
-                                            Toast.LENGTH_SHORT).show();
-
-                                    // Go to MainActivity
-                                    startActivity(new Intent(LoginActivity.this, MainActivity.class));
-                                    finish();
-                                } else {
-                                    Toast.makeText(LoginActivity.this,
-                                            "Failed to verify user",
-                                            Toast.LENGTH_SHORT).show();
-                                }
-                            }
-
-                            @Override
-                            public void onFailure(Call<UserResponse> call, Throwable t) {
-                                Toast.makeText(LoginActivity.this,
-                                        "Verification error: " + t.getMessage(),
-                                        Toast.LENGTH_SHORT).show();
-                            }
-                        });
-
-                    } else {
-                        Toast.makeText(LoginActivity.this, "Login failed", Toast.LENGTH_SHORT).show();
-                    }
-                }
-
-                @Override
-                public void onFailure(Call<LoginResponse> call, Throwable t) {
-                    Toast.makeText(LoginActivity.this, "Server error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
-                }
-            });
+            @Override
+            public void onFailure(Call<LoginResponse> call, Throwable t) {
+                Toast.makeText(LoginActivity.this, "Server error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+            }
         });
     }
 }

app/src/main/java/com/example/gallery/MainActivity.java

@@ -4,62 +4,135 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
+import android.widget.Toast;
 
-import androidx.activity.EdgeToEdge;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.gallery.adapters.PostsAdapter;
+import com.example.gallery.api.ApiClient;
+import com.example.gallery.api.ApiService;
+import com.example.gallery.models.Publication;
+import com.example.gallery.models.PublicationListResponse;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
 
 public class MainActivity extends AppCompatActivity {
 
-    Button loginBtn, registerBtn, logoutBtn;
+    private Button loginBtn, registerBtn, logoutBtn, newPostBtn;
+    private RecyclerView recyclerView;
+    private PostsAdapter postsAdapter;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        EdgeToEdge.enable(this);
         setContentView(R.layout.activity_main);
 
+        // Initialize all views BEFORE using them
         loginBtn = findViewById(R.id.Loginbtn);
         registerBtn = findViewById(R.id.Registerbtn);
         logoutBtn = findViewById(R.id.btnLogout);
+        newPostBtn = findViewById(R.id.newPostBtn);
+        recyclerView = findViewById(R.id.postsRecyclerView);
 
-        // Button listeners
-        loginBtn.setOnClickListener(v -> {
-            Intent intent = new Intent(MainActivity.this, LoginActivity.class);
-            startActivity(intent);
-        });
+        // RecyclerView setup
+        recyclerView.setLayoutManager(new LinearLayoutManager(this));
+        postsAdapter = new PostsAdapter(new ArrayList<>());
+        recyclerView.setAdapter(postsAdapter);
 
-        registerBtn.setOnClickListener(v -> {
-            Intent intent = new Intent(MainActivity.this, RegisterActivity.class);
-            startActivity(intent);
-        });
+        setupButtons();
+        updateAuthUI();
+        loadPublications();
+    }
 
-        // Check login state from SharedPreferences
+    private void setupButtons() {
+        if (loginBtn != null) {
+            loginBtn.setOnClickListener(v ->
+                    startActivity(new Intent(MainActivity.this, LoginActivity.class))
+            );
+        }
+
+        if (registerBtn != null) {
+            registerBtn.setOnClickListener(v ->
+                    startActivity(new Intent(MainActivity.this, RegisterActivity.class))
+            );
+        }
+
+        if (logoutBtn != null) {
+            logoutBtn.setOnClickListener(v -> {
+                getSharedPreferences("MyAppPrefs", MODE_PRIVATE).edit().clear().apply();
+                updateAuthUI();
+                Toast.makeText(MainActivity.this, "Logged out", Toast.LENGTH_SHORT).show();
+            });
+        }
+
+        if (newPostBtn != null) {
+            newPostBtn.setOnClickListener(v ->
+                    startActivityForResult(
+                            new Intent(MainActivity.this, NewPostActivity.class), 100)
+            );
+        }
+    }
+
+    private void updateAuthUI() {
         boolean isLoggedIn = getSharedPreferences("MyAppPrefs", MODE_PRIVATE)
                 .getBoolean("isLoggedIn", false);
 
-        if (isLoggedIn) {
-            // User is logged in → hide login/register, show logout
-            loginBtn.setVisibility(View.GONE);
-            registerBtn.setVisibility(View.GONE);
-            logoutBtn.setVisibility(View.VISIBLE);
-        } else {
-            // User not logged in → show login/register, hide logout
-            loginBtn.setVisibility(View.VISIBLE);
-            registerBtn.setVisibility(View.VISIBLE);
-            logoutBtn.setVisibility(View.GONE);
-        }
+        if (loginBtn != null) loginBtn.setVisibility(isLoggedIn ? View.GONE : View.VISIBLE);
+        if (registerBtn != null) registerBtn.setVisibility(isLoggedIn ? View.GONE : View.VISIBLE);
+        if (logoutBtn != null) logoutBtn.setVisibility(isLoggedIn ? View.VISIBLE : View.GONE);
+        if (newPostBtn != null) newPostBtn.setVisibility(isLoggedIn ? View.VISIBLE : View.GONE);
+    }
 
-        // Logout button
-        logoutBtn.setOnClickListener(v -> {
-            // Clear token and login state
-            getSharedPreferences("MyAppPrefs", MODE_PRIVATE)
-                    .edit()
-                    .remove("authToken")   // remove saved token
-                    .putBoolean("isLoggedIn", false) // set logged out
-                    .apply();
+    private void loadPublications() {
+        ApiService apiService = ApiClient.getClient().create(ApiService.class);
 
-            // Refresh activity to reflect state change
-            recreate();
+        String token = getSharedPreferences("MyAppPrefs", MODE_PRIVATE)
+                .getString("authToken", null);
+        String authHeader = token != null ? "Token " + token : null;
+
+        Call<PublicationListResponse> call = apiService.getPublications(authHeader);
+        call.enqueue(new Callback<PublicationListResponse>() {
+            @Override
+            public void onResponse(Call<PublicationListResponse> call, Response<PublicationListResponse> response) {
+                if (response.isSuccessful() && response.body() != null) {
+                    List<Publication> posts = response.body().results;
+                    Toast.makeText(MainActivity.this,
+                            "Posts loaded: " + posts.size(),
+                            Toast.LENGTH_SHORT).show();
+                    postsAdapter.updateData(posts);
+                } else {
+                    Toast.makeText(MainActivity.this,
+                            "Failed to load publications: " + response.code(), Toast.LENGTH_SHORT).show();
+                }
+            }
+
+            @Override
+            public void onFailure(Call<PublicationListResponse> call, Throwable t) {
+                Toast.makeText(MainActivity.this,
+                        "Failed to load publications: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+            }
         });
     }
-}
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == 100 && resultCode == RESULT_OK) {
+            loadPublications(); // reload feed after new post
+        }
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        updateAuthUI();
+        loadPublications();
+    }
+}

app/src/main/java/com/example/gallery/NewPostActivity.java

@@ -1,4 +1,175 @@
 package com.example.gallery;
 
-public class NewPostActivity {
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.widget.*;
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.example.gallery.api.ApiClient;
+import com.example.gallery.api.ApiService;
+import com.example.gallery.models.FileUtils;
+import com.example.gallery.models.Publication;
+
+import java.io.File;
+
+import okhttp3.MediaType;
+import okhttp3.MultipartBody;
+import okhttp3.RequestBody;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
+public class NewPostActivity extends AppCompatActivity {
+
+    private EditText descriptionET;
+    private RadioGroup mediaTypeRG;
+    private Spinner categorySpinner;
+    private Button selectMediaBtn, submitBtn, cancelBtn;
+    private TextView selectedFileTV;
+    private ImageView previewIV;
+
+    private Uri selectedFileUri;
+    private String mediaType = "image";
+    private int selectedCategory = 1; // default
+
+    private final ActivityResultLauncher<Intent> picker =
+            registerForActivityResult(new ActivityResultContracts.StartActivityForResult(),
+                    result -> {
+                        if (result.getResultCode() == RESULT_OK && result.getData() != null) {
+                            selectedFileUri = result.getData().getData();
+                            selectedFileTV.setText(FileUtils.getFileName(this, selectedFileUri));
+
+                            if (mediaType.equals("image")) {
+                                previewIV.setImageURI(selectedFileUri);
+                                previewIV.setVisibility(ImageView.VISIBLE);
+                            } else {
+                                previewIV.setVisibility(ImageView.GONE);
+                            }
+                        }
+                    });
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_new_post);
+
+        descriptionET = findViewById(R.id.descriptionET);
+        mediaTypeRG = findViewById(R.id.mediaTypeRG);
+        selectMediaBtn = findViewById(R.id.selectMediaBtn);
+        submitBtn = findViewById(R.id.submitBtn);
+        cancelBtn = findViewById(R.id.cancelBtn);
+        selectedFileTV = findViewById(R.id.selectedFileTV);
+        previewIV = findViewById(R.id.previewIV);
+
+        // Spinner for categories
+        categorySpinner = findViewById(R.id.categorySpinner);
+        ArrayAdapter<CharSequence> adapter = new ArrayAdapter<>(this,
+                android.R.layout.simple_spinner_item,
+                new String[]{"nature","city","landscape","animals","people"}); // categories from API
+        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        categorySpinner.setAdapter(adapter);
+        categorySpinner.setSelection(0);
+        categorySpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+            @Override public void onItemSelected(AdapterView<?> parent, android.view.View view, int position, long id) {
+                selectedCategory = new int[]{1,2,3,4,5}[position];
+            }
+            @Override public void onNothingSelected(AdapterView<?> parent) {}
+        });
+
+        mediaTypeRG.setOnCheckedChangeListener((g, id) -> mediaType = (id == R.id.photoRB) ? "image" : "video");
+
+        selectMediaBtn.setOnClickListener(v -> {
+            Intent i = new Intent(Intent.ACTION_PICK);
+            i.setType(mediaType.equals("image") ? "image/*" : "video/*");
+            picker.launch(i);
+        });
+
+        submitBtn.setOnClickListener(v -> uploadPost());
+        cancelBtn.setOnClickListener(v -> confirmCancel());
+    }
+
+    @Override
+    public void onBackPressed() { confirmCancel(); }
+
+    private void confirmCancel() {
+        new AlertDialog.Builder(this)
+                .setTitle("Cancel post")
+                .setMessage("Are you sure?")
+                .setPositiveButton("Yes", (d, w) -> super.onBackPressed())
+                .setNegativeButton("No", null)
+                .show();
+    }
+
+    private void uploadPost() {
+        if (selectedFileUri == null || descriptionET.getText().toString().trim().isEmpty()) {
+            Toast.makeText(this, "Select file and enter description", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        String rawToken = getSharedPreferences("MyAppPrefs", MODE_PRIVATE)
+                .getString("authToken", null);
+
+        if (rawToken == null) {
+            Toast.makeText(this, "Login required", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        String authHeader = "Token " + rawToken;
+
+        try {
+            File file = FileUtils.getFileFromUri(this, selectedFileUri);
+            MediaType mediaTypeFile = MediaType.parse(getContentResolver().getType(selectedFileUri));
+            RequestBody fileBody = RequestBody.create(mediaTypeFile, file);
+
+            MultipartBody.Part filePart = MultipartBody.Part.createFormData(
+                    mediaType.equals("image") ? "image" : "video",
+                    file.getName(),
+                    fileBody
+            );
+
+            RequestBody desc = RequestBody.create(MediaType.parse("text/plain"),
+                    descriptionET.getText().toString().trim());
+
+            RequestBody ct = RequestBody.create(MediaType.parse("text/plain"), mediaType);
+            RequestBody status = RequestBody.create(MediaType.parse("text/plain"), "public");
+            RequestBody category = RequestBody.create(MediaType.parse("text/plain"), String.valueOf(selectedCategory));
+
+            ApiService apiService = ApiClient.getClient().create(ApiService.class);
+
+            Call<Publication> call = apiService.createPublication(
+                    authHeader,
+                    desc,
+                    ct,
+                    status,
+                    category,
+                    filePart
+            );
+
+            call.enqueue(new Callback<Publication>() {
+                @Override
+                public void onResponse(Call<Publication> call, Response<Publication> response) {
+                    if (response.isSuccessful() && response.body() != null) {
+                        Toast.makeText(NewPostActivity.this, "Post created 🎉", Toast.LENGTH_SHORT).show();
+                        setResult(RESULT_OK); // signal MainActivity to refresh
+                        finish();
+                    } else {
+                        Toast.makeText(NewPostActivity.this,
+                                "Error " + response.code() + ": check fields", Toast.LENGTH_LONG).show();
+                    }
+                }
+
+                @Override
+                public void onFailure(Call<Publication> call, Throwable t) {
+                    Toast.makeText(NewPostActivity.this, t.getMessage(), Toast.LENGTH_LONG).show();
+                }
+            });
+
+        } catch (Exception e) {
+            Toast.makeText(this, e.getMessage(), Toast.LENGTH_LONG).show();
+        }
+    }
 }

app/src/main/java/com/example/gallery/adapters/PostsAdapter.java

@@ -0,0 +1,104 @@
+package com.example.gallery.adapters;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.bumptech.glide.Glide;
+import com.example.gallery.R;
+import com.example.gallery.api.ApiClient;
+import com.example.gallery.models.Publication;
+
+import java.util.List;
+
+public class PostsAdapter extends RecyclerView.Adapter<PostsAdapter.PostViewHolder> {
+
+    private final List<Publication> publications;
+
+    public PostsAdapter(List<Publication> publications) {
+        this.publications = publications;
+    }
+
+    public void updateData(List<Publication> newData) {
+        publications.clear();
+        publications.addAll(newData);
+        notifyDataSetChanged();
+    }
+
+    @NonNull
+    @Override
+    public PostViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.item_post, parent, false);
+        return new PostViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull PostViewHolder holder, int position) {
+        Publication pub = publications.get(position);
+
+        holder.descriptionTV.setText(
+                pub.description != null ? pub.description : ""
+        );
+
+        holder.mediaTypeBadge.setText(
+                pub.content_type != null ? pub.content_type.toUpperCase() : ""
+        );
+
+        String mediaPath = null;
+
+        if ("image".equals(pub.content_type)) {
+            mediaPath = pub.image;
+        } else if ("video".equals(pub.content_type)) {
+            mediaPath = pub.video;
+        }
+
+        if (mediaPath != null && !mediaPath.isEmpty()) {
+
+            String fullUrl;
+
+            // ✅ CRITICAL FIX: handle both relative & absolute URLs
+            if (mediaPath.startsWith("http")) {
+                fullUrl = mediaPath;
+            } else {
+                fullUrl = ApiClient.BASE_URL + mediaPath;
+            }
+
+            Log.d("POST_IMAGE_URL", fullUrl);
+
+            Glide.with(holder.itemView.getContext())
+                    .load(fullUrl)
+                    .placeholder(R.drawable.image_placeholder_background)
+                    .error(R.drawable.image_placeholder_background)
+                    .centerCrop()
+                    .into(holder.mediaIV);
+
+        } else {
+            holder.mediaIV.setImageResource(R.drawable.image_placeholder_background);
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return publications.size();
+    }
+
+    static class PostViewHolder extends RecyclerView.ViewHolder {
+        TextView descriptionTV;
+        TextView mediaTypeBadge;
+        ImageView mediaIV;
+
+        public PostViewHolder(@NonNull View itemView) {
+            super(itemView);
+            descriptionTV = itemView.findViewById(R.id.postDescription);
+            mediaIV = itemView.findViewById(R.id.postImage);
+            mediaTypeBadge = itemView.findViewById(R.id.mediaTypeBadge);
+        }
+    }
+}

app/src/main/java/com/example/gallery/api/ApiClient.java

@@ -5,10 +5,12 @@ import retrofit2.converter.gson.GsonConverterFactory;
 
 public class ApiClient {
 
-    private static final String BASE_URL = "https://gallery.steve-dekart.xyz/";
+    // Base URL of your backend
+    public static final String BASE_URL = "https://gallery.steve-dekart.xyz/";
 
     private static Retrofit retrofit;
 
+    // Returns singleton Retrofit client
     public static Retrofit getClient() {
         if (retrofit == null) {
             retrofit = new Retrofit.Builder()
@@ -18,4 +20,4 @@ public class ApiClient {
         }
         return retrofit;
     }
-}
+}

app/src/main/java/com/example/gallery/api/ApiService.java

@@ -3,17 +3,25 @@ package com.example.gallery.api;
 import com.example.gallery.UserResponse;
 import com.example.gallery.models.LoginRequest;
 import com.example.gallery.models.LoginResponse;
+import com.example.gallery.models.Publication;
+import com.example.gallery.models.PublicationListResponse;
 import com.example.gallery.models.RegisterRequest;
 import com.example.gallery.models.RegisterResponse;
 
+import okhttp3.MultipartBody;
+import okhttp3.RequestBody;
 import retrofit2.Call;
 import retrofit2.http.Body;
 import retrofit2.http.GET;
 import retrofit2.http.Header;
+import retrofit2.http.Multipart;
 import retrofit2.http.POST;
+import retrofit2.http.Part;
 
 public interface ApiService {
 
+    /* ===================== AUTH ===================== */
+
     @POST("api/auth/register/")
     Call<RegisterResponse> register(@Body RegisterRequest request);
 
@@ -22,4 +30,22 @@ public interface ApiService {
 
     @GET("api/auth/me/")
     Call<UserResponse> getMe(@Header("Authorization") String token);
-}
+
+    /* ================== PUBLICATIONS ================= */
+
+    @GET("api/publications/")
+    Call<PublicationListResponse> getPublications(
+            @Header("Authorization") String token
+    );
+
+    @Multipart
+    @POST("api/publications/")
+    Call<Publication> createPublication(
+            @Header("Authorization") String authHeader,
+            @Part("description") RequestBody description,
+            @Part("content_type") RequestBody contentType,
+            @Part("status") RequestBody status,
+            @Part("category") RequestBody category,
+            @Part MultipartBody.Part file
+    );
+}

app/src/main/java/com/example/gallery/models/FileUtils.java

@@ -0,0 +1,48 @@
+package com.example.gallery.models;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.OpenableColumns;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+
+public class FileUtils {
+
+    public static File getFileFromUri(Context context, Uri uri) throws Exception {
+        String fileName = getFileName(context, uri);
+        File tempFile = new File(context.getCacheDir(), fileName);
+        tempFile.createNewFile();
+
+        try (InputStream inputStream = context.getContentResolver().openInputStream(uri);
+             FileOutputStream outputStream = new FileOutputStream(tempFile)) {
+
+            byte[] buf = new byte[1024];
+            int len;
+            while ((len = inputStream.read(buf)) > 0) {
+                outputStream.write(buf, 0, len);
+            }
+        }
+        return tempFile;
+    }
+
+    public static String getFileName(Context context, Uri uri) {
+        String result = null;
+        if ("content".equals(uri.getScheme())) {
+            try (Cursor cursor = context.getContentResolver().query(uri, null, null, null, null)) {
+                if (cursor != null && cursor.moveToFirst()) {
+                    int nameIndex = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
+                    if (nameIndex >= 0) {
+                        result = cursor.getString(nameIndex);
+                    }
+                }
+            }
+        }
+        if (result == null) {
+            result = uri.getLastPathSegment();
+        }
+        return result;
+    }
+}

app/src/main/java/com/example/gallery/models/Post.java

@@ -0,0 +1,16 @@
+package com.example.gallery.models;
+
+public class Post {
+    private int id;
+    private String description;
+    private String media_type;
+    private String file_url;
+    private String username;
+
+    // getters
+    public int getId() { return id; }
+    public String getDescription() { return description; }
+    public String getMedia_type() { return media_type; }
+    public String getFile_url() { return file_url; }
+    public String getUsername() { return username; }
+}

app/src/main/java/com/example/gallery/models/PostResponse.java

@@ -0,0 +1,11 @@
+package com.example.gallery.models;
+
+public class PostResponse {
+    private boolean success;
+    private String message;
+    private Post post;
+
+    public boolean isSuccess() { return success; }
+    public String getMessage() { return message; }
+    public Post getPost() { return post; }
+}

app/src/main/java/com/example/gallery/models/Publication.java

@@ -0,0 +1,11 @@
+package com.example.gallery.models;
+
+public class Publication {
+    public int pk;
+    public String image;
+    public String video;
+    public String content_type;
+    public String description;
+    public String time_created;
+}
+

app/src/main/java/com/example/gallery/models/PublicationListResponse.java

@@ -0,0 +1,11 @@
+package com.example.gallery.models;
+
+import java.util.List;
+
+public class PublicationListResponse {
+    public int count;
+    public int page;
+    public int page_size;
+    public int total_pages;
+    public List<Publication> results;
+}

app/src/main/java/com/example/gallery/models/PublicationRequest.java

@@ -0,0 +1,9 @@
+package com.example.gallery.models;
+
+public class PublicationRequest {
+    public String image;
+    public String video;
+    public String content_type;
+    public String description;
+    public int category;
+}

app/src/main/res/drawable/ic_video_placeholder.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+</selector>

app/src/main/res/layout/activity_login.xml

@@ -97,14 +97,14 @@
         <!-- Register Text -->
         <TextView
             android:id="@+id/registerTV"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="Don't have an account? Register"
-            android:textSize="14sp"
-            android:textColor="#03396c"
-            android:gravity="center"
+            android:layout_width="281dp"
+            android:layout_height="51dp"
             android:clickable="true"
-            android:focusable="true"/>
+            android:focusable="true"
+            android:gravity="center"
+            android:text="Don't have an account? Register"
+            android:textColor="#03396c"
+            android:textSize="14sp" />
 
     </LinearLayout>
 

app/src/main/res/layout/activity_main.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/main"
@@ -8,116 +9,69 @@
     android:background="@color/bgColor"
     tools:context=".MainActivity">
 
-    <androidx.drawerlayout.widget.DrawerLayout
-        android:id="@+id/drawer_layout"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent">
+    <!-- Toolbar -->
+    <androidx.appcompat.widget.Toolbar
+        android:id="@+id/toolbar"
+        android:layout_width="0dp"
+        android:layout_height="?attr/actionBarSize"
+        android:background="@color/header"
+        app:title="Gallery"
+        app:titleTextColor="#011f4b"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"/>
 
-        <!-- Main content -->
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:orientation="vertical">
-
-            <androidx.appcompat.widget.Toolbar
-                android:id="@+id/toolbar"
-                android:layout_width="match_parent"
-                android:layout_height="?attr/actionBarSize"
-                android:background="@color/header"
-                android:elevation="4dp"
-                app:title="My App"
-                app:titleTextColor="#011f4b">
-
-                <!-- Custom Toolbar Content -->
-                <LinearLayout
-                    android:layout_width="match_parent"
-                    android:layout_height="match_parent"
-                    android:orientation="horizontal"
-                    android:gravity="center_vertical">
-
-                    <View
-                        android:layout_width="0dp"
-                        android:layout_height="1dp"
-                        android:layout_weight="1"/>
-
-                    <!-- Filter Dropdown Spinner -->
-                    <Spinner
-                        android:id="@+id/filterButton"
-                        android:layout_width="120dp"
-                        android:layout_height="40dp"
-                        android:background="@drawable/button_background"
-                        android:paddingStart="16dp"
-                        android:paddingEnd="16dp"
-                        android:layout_marginEnd="16dp"
-                        android:spinnerMode="dropdown"
-                        android:popupBackground="#b3cde0"/>
-
-                    <!-- App Logo -->
-                    <ImageView
-                        android:id="@+id/appLogo"
-                        android:layout_width="40dp"
-                        android:layout_height="40dp"
-                        android:src="@color/header"
-                        android:layout_marginEnd="16dp"
-                        android:contentDescription="App Logo"/>
-
-                </LinearLayout>
-
-            </androidx.appcompat.widget.Toolbar>
-
-            <!-- Feed/Posts RecyclerView -->
-            <androidx.recyclerview.widget.RecyclerView
-                android:id="@+id/postsRecyclerView"
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:padding="16dp"
-                android:clipToPadding="false"/>
-
-        </LinearLayout>
-
-        <!-- Left sliding menu -->
-        <com.google.android.material.navigation.NavigationView
-            android:id="@+id/nav_view"
-            android:layout_width="280dp"
-            android:layout_height="match_parent"
-            android:layout_gravity="start"
-            android:background="@color/bgColor"
-            app:headerLayout="@layout/nav_header"
-            app:menu="@menu/drawer_menu" />
-
-    </androidx.drawerlayout.widget.DrawerLayout>
+    <!-- RecyclerView Feed -->
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/postsRecyclerView"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:padding="16dp"
+        app:layout_constraintTop_toBottomOf="@id/toolbar"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:contentDescription="Enter How Much Cookies You Want"/>
 
+    <!-- Login Button -->
     <Button
         android:id="@+id/Loginbtn"
-        android:layout_width="103dp"
-        android:layout_height="51dp"
-        android:layout_marginStart="16dp"
-        android:layout_marginTop="16dp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
         android:text="Log in"
-        android:visibility="gone"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        android:layout_margin="16dp"
+        app:layout_constraintTop_toTopOf="@id/toolbar"
+        app:layout_constraintStart_toStartOf="parent"/>
 
+    <!-- Register Button -->
     <Button
         android:id="@+id/Registerbtn"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginStart="16dp"
-        android:layout_marginTop="76dp"
         android:text="Register"
-        android:visibility="gone"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        android:layout_marginStart="16dp"
+        app:layout_constraintTop_toBottomOf="@id/Loginbtn"
+        app:layout_constraintStart_toStartOf="parent"/>
 
+    <!-- Logout Button -->
     <Button
         android:id="@+id/btnLogout"
-        android:layout_width="101dp"
-        android:layout_height="58dp"
-        android:layout_marginStart="16dp"
-        android:layout_marginTop="16dp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
         android:text="Logout"
-        android:visibility="invisible"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        android:layout_margin="16dp"
+        android:visibility="gone"
+        app:layout_constraintTop_toTopOf="@id/toolbar"
+        app:layout_constraintStart_toStartOf="parent"/>
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+    <!-- New Post Button -->
+    <Button
+        android:id="@+id/newPostBtn"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="New Post"
+        android:layout_margin="16dp"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"/>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_new_post.xml

@@ -6,125 +6,126 @@
     android:layout_height="match_parent"
     tools:context=".NewPostActivity">
 
-    <LinearLayout
+    <ScrollView
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:orientation="vertical"
-        android:padding="16dp">
+        android:layout_height="match_parent">
 
-        <TextView
-            android:id="@+id/headerTV"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="Create New Post"
-            android:textSize="24sp"
-            android:layout_marginBottom="24dp"/>
-
-        <TextView
-            android:id="@+id/titleLabelTV"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/title"
-            android:textSize="16sp"/>
-
-        <EditText
-            android:id="@+id/titleET"
+        <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:hint="Enter post title"
-            android:inputType="text"
-            android:layout_marginBottom="16dp"/>
+            android:orientation="vertical"
+            android:padding="16dp">
 
-        <TextView
-            android:id="@+id/descriptionLabelTV"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="Description"
-            android:textSize="16sp"/>
-
-        <EditText
-            android:id="@+id/descriptionET"
-            android:layout_width="match_parent"
-            android:layout_height="120dp"
-            android:hint="Enter post description"
-            android:inputType="textMultiLine"
-            android:gravity="top"
-            android:layout_marginBottom="16dp"/>
-
-        <TextView
-            android:id="@+id/mediaTypeLabelTV"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="Media Type"
-            android:textSize="16sp"/>
-
-        <RadioGroup
-            android:id="@+id/mediaTypeRG"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal"
-            android:layout_marginBottom="16dp">
-
-            <RadioButton
-                android:id="@+id/photoRB"
+            <TextView
+                android:id="@+id/headerTV"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Photo"
-                android:checked="true"/>
+                android:text="Create New Post"
+                android:textSize="24sp"
+                android:layout_marginBottom="24dp"/>
 
-            <RadioButton
-                android:id="@+id/videoRB"
+            <TextView
+                android:id="@+id/descriptionLabelTV"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Video"
-                android:layout_marginStart="24dp"/>
+                android:text="Description"
+                android:textSize="16sp"/>
 
-        </RadioGroup>
+            <EditText
+                android:id="@+id/descriptionET"
+                android:layout_width="match_parent"
+                android:layout_height="120dp"
+                android:hint="Enter post description"
+                android:inputType="textMultiLine"
+                android:gravity="top"
+                android:layout_marginBottom="16dp"/>
 
-        <TextView
-            android:id="@+id/selectMediaLabelTV"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="Select Media"
-            android:textSize="16sp"/>
+            <TextView
+                android:id="@+id/mediaTypeLabelTV"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Media Type"
+                android:textSize="16sp"/>
 
-        <Button
-            android:id="@+id/selectMediaBtn"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="Choose File"
-            android:layout_marginBottom="16dp"/>
+            <RadioGroup
+                android:id="@+id/mediaTypeRG"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:layout_marginBottom="16dp">
 
-        <TextView
-            android:id="@+id/selectedFileTV"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="No file selected"
-            android:textSize="14sp"
-            android:layout_marginBottom="16dp"/>
+                <RadioButton
+                    android:id="@+id/photoRB"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="Photo"
+                    android:checked="true"/>
 
-        <ImageView
-            android:id="@+id/previewIV"
-            android:layout_width="200dp"
-            android:layout_height="200dp"
-            android:layout_gravity="center"
-            android:visibility="gone"
-            android:scaleType="centerCrop"
-            android:layout_marginBottom="16dp"
-            android:contentDescription="Preview"/>
+                <RadioButton
+                    android:id="@+id/videoRB"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="Video"
+                    android:layout_marginStart="24dp"/>
+            </RadioGroup>
 
-        <Button
-            android:id="@+id/submitBtn"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="Post"/>
+            <TextView
+                android:id="@+id/categoryLabelTV"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Category"
+                android:textSize="16sp"/>
 
-        <Button
-            android:id="@+id/cancelBtn"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="Cancel"/>
+            <Spinner
+                android:id="@+id/categorySpinner"
+                android:layout_width="370dp"
+                android:layout_height="48dp"
+                android:layout_marginBottom="16dp" />
 
-    </LinearLayout>
+            <TextView
+                android:id="@+id/selectMediaLabelTV"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Select Media"
+                android:textSize="16sp"/>
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+            <Button
+                android:id="@+id/selectMediaBtn"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="Choose File"
+                android:layout_marginBottom="16dp"/>
+
+            <TextView
+                android:id="@+id/selectedFileTV"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="No file selected"
+                android:textSize="14sp"
+                android:layout_marginBottom="16dp"/>
+
+            <ImageView
+                android:id="@+id/previewIV"
+                android:layout_width="200dp"
+                android:layout_height="200dp"
+                android:layout_gravity="center"
+                android:visibility="gone"
+                android:scaleType="centerCrop"
+                android:layout_marginBottom="16dp"
+                android:contentDescription="Preview"/>
+
+            <Button
+                android:id="@+id/submitBtn"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="Post"
+                android:layout_marginBottom="8dp"/>
+
+            <Button
+                android:id="@+id/cancelBtn"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="Cancel"/>
+        </LinearLayout>
+    </ScrollView>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/item_post.xml

@@ -85,7 +85,7 @@
             android:layout_marginBottom="16dp"
             android:contentDescription="Post content"/>
 
-        <!-- Post Title -->
+        <!-- Post Title
         <TextView
             android:id="@+id/postTitle"
             android:layout_width="match_parent"
@@ -95,7 +95,7 @@
             android:textStyle="bold"
             android:textColor="#011f4b"
             android:layout_marginBottom="8dp"/>
-
+            -->
         <!-- Post Description -->
         <TextView
             android:id="@+id/postDescription"