From eb0c8951196c637e44daf3c0617b131b997d5d2c Mon Sep 17 00:00:00 2001
From: Lena <lena@omega>
Date: Thu, 1 Jan 2026 00:00:00 +0000
Subject: scrcpy-android: mirror an Android device over wireless ADB

Native Java app for Android 12+ that mirrors another Android
device over wireless ADB, forwarding video, audio, touch input,
and clipboard. Bundles a pinned scrcpy-server.jar and the
vendored libadb-android stack. Supports h264/h265/av1 video and
raw/opus audio with in-app codec selection. No NDK, no Kotlin.
Includes JVM unit tests and a Docker-based emulator e2e rig.
---
 .../main/java/invalid/lena/scrcpy/Crashlog.java    | 48 ++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 app/src/main/java/invalid/lena/scrcpy/Crashlog.java

(limited to 'app/src/main/java/invalid/lena/scrcpy/Crashlog.java')

diff --git a/app/src/main/java/invalid/lena/scrcpy/Crashlog.java b/app/src/main/java/invalid/lena/scrcpy/Crashlog.java
new file mode 100644
index 0000000..00bd3d8
--- /dev/null
+++ b/app/src/main/java/invalid/lena/scrcpy/Crashlog.java
@@ -0,0 +1,48 @@
+package invalid.lena.scrcpy;
+
+import android.content.Context;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.PrintWriter;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
+
+// Catches uncaught exceptions on any thread, writes them as plain
+// text to <externalFilesDir>/crash-<timestamp>.log, then chains to
+// the system default handler so the OS crash dialog still appears.
+// Testers can share the file from the app's storage instead of
+// fishing for it in adb logcat.
+public final class Crashlog {
+
+    private Crashlog() {}
+
+    public static void install(Context ctx) {
+        File dir = ctx.getExternalFilesDir(null);
+        if (dir == null) {
+            Log.w("crashlog: no external storage, skipping install");
+            return;
+        }
+        Thread.UncaughtExceptionHandler prev =
+                Thread.getDefaultUncaughtExceptionHandler();
+        Thread.setDefaultUncaughtExceptionHandler((t, e) -> {
+            try {
+                String ts = new SimpleDateFormat("yyyyMMdd-HHmmss",
+                        Locale.ROOT).format(new Date());
+                File out = new File(dir, "crash-" + ts + ".log");
+                try (PrintWriter pw = new PrintWriter(new FileWriter(out))) {
+                    pw.println("# " + new Date());
+                    pw.println("# thread=" + t.getName());
+                    pw.println();
+                    e.printStackTrace(pw);
+                }
+                Log.e(e, "crashlog: wrote %s", out.getAbsolutePath());
+            } catch (Throwable ignored) {
+                // best effort - do not mask the original crash
+            }
+            if (prev != null) prev.uncaughtException(t, e);
+        });
+        Log.i("crashlog: installed -> %s", dir.getAbsolutePath());
+    }
+}
-- 
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