From 966c0a2854f6e9d0119d5f76e0547082770eee4f Mon Sep 17 00:00:00 2001
From: John Peterson <jpeterson57@gmail.com>
Date: Wed, 13 May 2026 14:37:42 -0300
Subject: [PATCH] brightness API return current value

when no argument is given

~~~
termux-api Brightness
1
~~~
---
 .../com/termux/api/apis/BrightnessAPI.java    | 67 ++++++++++++++++---
 1 file changed, 58 insertions(+), 9 deletions(-)

diff --git a/app/src/main/java/com/termux/api/apis/BrightnessAPI.java b/app/src/main/java/com/termux/api/apis/BrightnessAPI.java
index 7bbeb5b8..5811aedd 100644
--- a/app/src/main/java/com/termux/api/apis/BrightnessAPI.java
+++ b/app/src/main/java/com/termux/api/apis/BrightnessAPI.java
@@ -4,6 +4,8 @@
 import android.content.Context;
 import android.content.Intent;
 import android.provider.Settings;
+import java.io.PrintWriter;
+import java.io.StringWriter;
 
 import com.termux.api.TermuxApiReceiver;
 import com.termux.api.util.ResultReturner;
@@ -12,24 +14,71 @@
 public class BrightnessAPI {
 
     private static final String LOG_TAG = "BrightnessAPI";
+    static PrintWriter pw;
+    static StringWriter sw;
+    static Context context;
+    static TermuxApiReceiver receiver;
+    static Intent intent;
 
-    public static void onReceive(final TermuxApiReceiver receiver, final Context context, final Intent intent) {
+    static void write() {
+        // ResultReturner.noteDone(receiver, intent);
+        ResultReturner.returnData(context.getApplicationContext(), intent, new ResultReturner.WithInput() {
+            @Override public void writeResult(PrintWriter _out) throws Exception {
+            try {
+                Logger.logInfo(LOG_TAG, "printing \""+sw+"\"");
+                // out.value("\n");
+                _out.print(sw);
+            } catch (Exception e) {
+                Logger.logError(LOG_TAG, e.toString());
+                _out.print(e.toString());
+            }
+            }
+        });
+    }
+
+    public static void onReceive(final TermuxApiReceiver _receiver, final Context _context, final Intent _intent) {
+        context = _context;
+        receiver = _receiver;
+        intent = _intent;
+        sw = new StringWriter();
+        pw = new PrintWriter(sw);
         Logger.logDebug(LOG_TAG, "onReceive");
 
+        try {
+            work();
+        } catch (Exception e) {
+            Logger.logError(LOG_TAG, e.toString());
+            pw.println(e.toString());
+        }
+
+        // pw.println("test");
+        write();
+    }
+
+    static void work() throws Exception {
         final ContentResolver contentResolver = context.getContentResolver();
+
         if (intent.hasExtra("auto")) {
             boolean auto = intent.getBooleanExtra("auto", false);
             Settings.System.putInt(contentResolver, Settings.System.SCREEN_BRIGHTNESS_MODE, auto?Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC:Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);
+            Logger.logInfo(LOG_TAG, " set brightness auto to "+auto);
+            pw.println("setting brightness  auto to "+auto);
         }
 
-        int brightness = intent.getIntExtra("brightness", 0);
-
-        if (brightness <= 0) {
-            brightness = 0;
-        } else if (brightness >= 255) {
-            brightness = 255;
+        if (intent.hasExtra("brightness")) {
+            int brightness = intent.getIntExtra("brightness", 0);
+            if (brightness <= 0) {
+                brightness = 0;
+            } else if (brightness >= 255) {
+                brightness = 255;
+            }
+            Settings.System.putInt(contentResolver, Settings.System.SCREEN_BRIGHTNESS, brightness);
+            Logger.logInfo(LOG_TAG, " set brightness "+brightness);
+            pw.println("setting brightness to "+brightness);
+        } else {
+            int b = Settings.System.getInt(contentResolver, Settings.System.SCREEN_BRIGHTNESS);
+            Logger.logInfo(LOG_TAG, "received brightness "+b);
+            pw.println(""+b);
         }
-        Settings.System.putInt(contentResolver, Settings.System.SCREEN_BRIGHTNESS, brightness);
-        ResultReturner.noteDone(receiver, intent);
     }
 }