diff --git a/app/src/main/java/cc/winboll/gallery/ImageViewerActivity.java b/app/src/main/java/cc/winboll/gallery/ImageViewerActivity.java
index 926ed09..6442e07 100644
--- a/app/src/main/java/cc/winboll/gallery/ImageViewerActivity.java
+++ b/app/src/main/java/cc/winboll/gallery/ImageViewerActivity.java
@@ -1,6 +1,7 @@
 package cc.winboll.gallery;
 
 import android.app.Activity;
+import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
 import android.view.View;
@@ -8,7 +9,6 @@ import android.view.View.OnClickListener;
 import android.view.WindowManager;
 import android.widget.ImageButton;
 import androidx.viewpager.widget.ViewPager;
-import cc.winboll.studio.libappbase.ToastUtils;
 import java.util.ArrayList;
 
 public class ImageViewerActivity extends Activity implements ViewPager.OnPageChangeListener {
@@ -20,6 +20,8 @@ public class ImageViewerActivity extends Activity implements ViewPager.OnPageCha
     private ViewPager viewPager;
     private View toolbar;
     private ImageButton btnBack;
+    private ImageButton btnDelete;
+    private ImageButton btnShare;
     
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -34,6 +36,8 @@ public class ImageViewerActivity extends Activity implements ViewPager.OnPageCha
         viewPager = findViewById(R.id.view_pager);
         toolbar = findViewById(R.id.toolbar);
         btnBack = findViewById(R.id.btn_back);
+        btnDelete = findViewById(R.id.btn_delete);
+        btnShare = findViewById(R.id.btn_share);
         
         ImagePagerAdapter adapter = new ImagePagerAdapter(imageUrls);
         viewPager.setAdapter(adapter);
@@ -47,6 +51,20 @@ public class ImageViewerActivity extends Activity implements ViewPager.OnPageCha
             }
         });
         
+        btnDelete.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                deleteCurrentImage();
+            }
+        });
+        
+        btnShare.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                shareCurrentImage();
+            }
+        });
+        
         viewPager.setOnClickListener(new OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -63,6 +81,34 @@ public class ImageViewerActivity extends Activity implements ViewPager.OnPageCha
         }
     }
     
+    private void deleteCurrentImage() {
+        if (currentPosition >= 0 && currentPosition < imageUrls.size()) {
+            Uri imageUri = imageUrls.get(currentPosition);
+            getContentResolver().delete(imageUri, null, null);
+            imageUrls.remove(currentPosition);
+            if (imageUrls.isEmpty()) {
+                finish();
+            } else {
+                if (currentPosition >= imageUrls.size()) {
+                    currentPosition = imageUrls.size() - 1;
+                }
+                viewPager.setAdapter(new ImagePagerAdapter(imageUrls));
+                viewPager.setCurrentItem(currentPosition);
+            }
+        }
+    }
+    
+    private void shareCurrentImage() {
+        if (currentPosition >= 0 && currentPosition < imageUrls.size()) {
+            Uri imageUri = imageUrls.get(currentPosition);
+            Intent shareIntent = new Intent(Intent.ACTION_SEND);
+            shareIntent.setType("image/*");
+            shareIntent.putExtra(Intent.EXTRA_STREAM, imageUri);
+            shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+            startActivity(Intent.createChooser(shareIntent, "Share Image"));
+        }
+    }
+    
     @Override
     public void onPageSelected(int position) {
         currentPosition = position;
@@ -78,4 +124,4 @@ public class ImageViewerActivity extends Activity implements ViewPager.OnPageCha
     public void onBackPressed() {
         finish();
     }
-}
+}
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_delete.xml b/app/src/main/res/drawable/ic_delete.xml
new file mode 100644
index 0000000..aa0f7a0
--- /dev/null
+++ b/app/src/main/res/drawable/ic_delete.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M6,19c0,1.1 0.9,2 2,2h8c1.1,0 2,-0.9 2,-2V7H6v12zM19,4h-3.5l-1,-1h-5l-1,-1H5v2h14V4z"/>
+</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_share.xml b/app/src/main/res/drawable/ic_share.xml
new file mode 100644
index 0000000..ff756ae
--- /dev/null
+++ b/app/src/main/res/drawable/ic_share.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M18,16.08c-0.76,0 -1.44,0.3 -1.96,0.77L8.91,12.7c0.05,-0.23 0.09,-0.46 0.09,-0.7s-0.04,-0.47 -0.09,-0.7l7.05,-4.11c0.54,0.5 1.25,0.81 2.04,0.81 1.66,0 3,-1.34 3,-3s-1.34,-3 -3,-3 -3,1.34 -3,3c0,0.24 0.04,0.47 0.09,0.7L8.04,9.81C7.5,9.31 6.79,9 6,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3c0.79,0 1.5,-0.31 2.04,-0.81l7.12,4.16c-0.05,0.21 -0.08,0.43 -0.08,0.65 0,1.61 1.31,2.92 2.92,2.92s2.92,-1.31 2.92,-2.92 -1.31,-2.92 -2.92,-2.92z"/>
+</vector>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_image_viewer.xml b/app/src/main/res/layout/activity_image_viewer.xml
index 8ffd344..7891493 100644
--- a/app/src/main/res/layout/activity_image_viewer.xml
+++ b/app/src/main/res/layout/activity_image_viewer.xml
@@ -17,7 +17,7 @@
         android:layout_gravity="top"
         android:background="#CC000000"
         android:orientation="horizontal"
-        android:padding="8dp">
+        android:padding="4dp">
 
         <ImageButton
             android:id="@+id/btn_back"
@@ -27,6 +27,27 @@
             android:src="@drawable/ic_back"
             android:contentDescription="Back"/>
 
+        <View
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_weight="1"/>
+
+        <ImageButton
+            android:id="@+id/btn_share"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:src="@drawable/ic_share"
+            android:contentDescription="Share"/>
+
+        <ImageButton
+            android:id="@+id/btn_delete"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:src="@drawable/ic_delete"
+            android:contentDescription="Delete"/>
+
     </LinearLayout>
 
 </FrameLayout>
\ No newline at end of file