Add Link in multilink activity

Fixes #16

app/src/main/java/fr/mobdev/goblim/MultiLinkAdapter.java

@@ -34,8 +34,10 @@ public class MultiLinkAdapter extends RecyclerView.Adapter<MultiLinkViewHolder>{
 
     private List<Bitmap> bitmaps;
     private List<Integer> selecteds;
+    private SelectionChangeListener selectionListener;
 
-    public MultiLinkAdapter(int length) {
+    public MultiLinkAdapter(int length, SelectionChangeListener listener) {
+        selectionListener = listener;
         bitmaps = new ArrayList<>();
         selecteds = new ArrayList<>();
         for(int i = 0; i < length; i++) {
@@ -71,6 +73,7 @@ public class MultiLinkAdapter extends RecyclerView.Adapter<MultiLinkViewHolder>{
                 } else {
                     selecteds.remove(holder.index);
                 }
+                selectionListener.onSelectionChanged();
             }
         };
 
@@ -99,6 +102,10 @@ public class MultiLinkAdapter extends RecyclerView.Adapter<MultiLinkViewHolder>{
     public int getItemCount() {
         return bitmaps.size();
     }
+
+    public interface SelectionChangeListener {
+        void onSelectionChanged();
+    }
 }
 
 class MultiLinkViewHolder extends RecyclerView.ViewHolder {

app/src/main/java/fr/mobdev/goblim/activity/MultiLinkActivity.java

@@ -29,6 +29,7 @@ import android.support.v7.widget.RecyclerView;
 import android.support.v7.widget.Toolbar;
 import android.view.View;
 import android.widget.ImageButton;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import java.util.ArrayList;
@@ -64,8 +65,17 @@ public class MultiLinkActivity extends AppCompatActivity {
 
         final Long[] ids = Arrays.copyOf(extra,extra.length,Long[].class);
 
+        final MultiLinkAdapter.SelectionChangeListener selectionListener = new MultiLinkAdapter.SelectionChangeListener() {
+            @Override
+            public void onSelectionChanged() {
+                String generatedSharedLink = generateShardedLink();
+                TextView tv = (TextView) findViewById(R.id.link);
+                tv.setText(generatedSharedLink);
+            }
+        };
+
         //setup Adapter
-        adapter = new MultiLinkAdapter(ids.length);
+        adapter = new MultiLinkAdapter(ids.length,selectionListener);
         RecyclerView listView = (RecyclerView) findViewById(R.id.link_list);
         listView.setAdapter(adapter);
 
@@ -120,6 +130,7 @@ public class MultiLinkActivity extends AppCompatActivity {
                         shareButton.setEnabled(true);
                         copyClipboardButton.setEnabled(true);
                         deleteImageButton.setEnabled(true);
+                        selectionListener.onSelectionChanged();
                     }
                 });
 
@@ -129,17 +140,14 @@ public class MultiLinkActivity extends AppCompatActivity {
 
 
 
+
         //manage the sharing button
         shareButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 Intent sendIntent = new Intent();
                 sendIntent.setAction(Intent.ACTION_SEND_MULTIPLE);
-                List<Integer> selected = adapter.getSelecteds();
-                String output = baseUrl;
-                for(Integer index : selected) {
-                    output += sharedHashs.get(index)+",";
-                }
+                String output = generateShardedLink();
                 sendIntent.putExtra(Intent.EXTRA_TEXT, output);
                 sendIntent.setType("text/plain");
                 startActivity(sendIntent);
@@ -151,11 +159,7 @@ public class MultiLinkActivity extends AppCompatActivity {
             @Override
             public void onClick(View v) {
                 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
-                List<Integer> selected = adapter.getSelecteds();
-                String output = baseUrl;
-                for(Integer index : selected) {
-                    output += sharedHashs.get(index)+",";
-                }
+                String output = generateShardedLink();
                 android.content.ClipData clip = android.content.ClipData.newPlainText("Copied URL", output);
                 clipboard.setPrimaryClip(clip);
                 Toast.makeText(MultiLinkActivity.this,getString(R.string.copy_to_clipboard),Toast.LENGTH_SHORT).show();
@@ -221,4 +225,13 @@ public class MultiLinkActivity extends AppCompatActivity {
             }
         });
     }
+
+    private String generateShardedLink() {
+        List<Integer> selected = adapter.getSelecteds();
+        String output = baseUrl;
+        for(Integer index : selected) {
+            output += sharedHashs.get(index)+",";
+        }
+        return output;
+    }
 }

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

@@ -34,13 +34,26 @@
 
         <android.support.v7.widget.RecyclerView
             android:layout_alignParentTop="true"
-            android:layout_above="@id/buttons_layout"
+            android:layout_centerHorizontal="true"
+            android:layout_above="@+id/link"
             android:id="@+id/link_list"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layoutManager="android.support.v7.widget.GridLayoutManager"
             app:spanCount="2"/>
 
+        <TextView
+            android:layout_above="@+id/buttons_layout"
+            android:layout_centerHorizontal="true"
+            android:textAppearance="?android:attr/textAppearanceLarge"
+            android:gravity="center_vertical"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:autoLink="web"
+            android:id="@+id/link"
+            android:layout_marginBottom="30dp"
+            />
+
         <LinearLayout
             android:layout_alignParentBottom="true"
             android:gravity="center"