Change Upload way

- Add FloatingActionButton for Upload
- Delete Upload Tab

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

@@ -1,6 +1,7 @@
 package com.localtransfer;
 
 import android.Manifest;
+import android.app.Activity;
 import android.content.ActivityNotFoundException;
 import android.content.Intent;
 import android.content.SharedPreferences;
@@ -31,6 +32,8 @@ import java.util.ArrayList;
 
 public class MainActivity extends AppCompatActivity {
 
+    public static final int REQUEST_ID_CHOOSE_FILES = 2002;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -42,6 +45,19 @@ public class MainActivity extends AppCompatActivity {
         viewPager.setAdapter(sectionsPagerAdapter);
         TabLayout tabs = findViewById(R.id.tabs);
         tabs.setupWithViewPager(viewPager);
+        FloatingActionButton fab = findViewById(R.id.flotUpload);
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent()
+                        .setType("*/*")
+                        .setAction(Intent.ACTION_GET_CONTENT)
+                        .putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
+
+                startActivityForResult(Intent.createChooser(intent, "Select a file"), REQUEST_ID_CHOOSE_FILES);
+
+            }
+        });
 
         checkAndRequestPermissions();
 
@@ -84,6 +100,42 @@ public class MainActivity extends AppCompatActivity {
 
     }
 
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        Log.d("RequestCode", String.valueOf(requestCode));
+        if (requestCode == REQUEST_ID_CHOOSE_FILES && resultCode == Activity.RESULT_OK) {
+            String type = data.getType();
+
+            ViewPager viewPager = this.findViewById(R.id.view_pager);
+            viewPager.setCurrentItem(2);
+
+            Transfer tr = new Transfer();
+
+            if (type != null) {
+                String sharedText = data.getStringExtra(Intent.EXTRA_TEXT);
+                tr.handleSendText(sharedText);
+            }
+            else {
+                ArrayList<Uri> fileUris = new ArrayList<>();
+                if (data.getClipData() != null) { // Checking for selection multiple files
+                    int nbItem = data.getClipData().getItemCount();
+                    Toast.makeText(this, "You select " + nbItem + " files", Toast.LENGTH_SHORT).show();
+                    for (int i = 0; i < nbItem; i++) {
+                        Uri uri = data.getClipData().getItemAt(i).getUri();
+                        fileUris.add(uri);
+                    }
+                } else {
+                    Uri uri = data.getData(); //The uri with the location of the file
+                    fileUris.add(uri);
+                }
+                for (Uri uri : fileUris) {
+                    tr.handleSendFile(uri);
+                }
+            }
+        }
+    }
+
     @Override
     public void onResume(){
         super.onResume();