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app/src/main/java/com/xinyingpower/microphoto/MainActivity.java

@@ -18,6 +18,7 @@ import android.os.Handler;
 import android.os.PowerManager;
 import android.os.SystemClock;
 
+import androidx.appcompat.app.ActionBar;
 import androidx.core.app.ActivityCompat;
 import androidx.appcompat.app.AppCompatActivity;
 
@@ -89,6 +90,10 @@ public class MainActivity extends AppCompatActivity {
         setContentView(binding.getRoot());
         // getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 
+        ActionBar actionBar = getSupportActionBar();
+
+        actionBar.setTitle(actionBar.getTitle().toString() + " " + getVersionName(getApplicationContext()));
+
         WindowManager windowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
         Display defaultDisplay = windowManager.getDefaultDisplay();
         int width = defaultDisplay.getWidth();
@@ -682,6 +687,16 @@ public class MainActivity extends AppCompatActivity {
         }
     }
 
+        String verName = "";
+        try {
+            verName = context.getPackageManager().
+                    getPackageInfo(context.getPackageName(), 0).versionName;
+        } catch (PackageManager.NameNotFoundException e) {
+            e.printStackTrace();
+        }
+        return verName;
+    }
+
 //    private void initSocket() {
 //        NettyChatClient nettyChatClient = NettyChatClient.newInstance("47.96.238.157", 6891);
 ////        NettyChatClient nettyChatClient = NettyChatClient.newInstance("180.166.218.222", 40032);