rsend: push phone folders to a home SSH host over rsync

A small Android app for one-way folder backup, a KISS alternative to
Syncthing. It bundles rsync (built from pinned source via the NDK) and
a pure-Go SSH transport, both shipped in the APK as lib*.so and run from
the native library directory.

rsend pins the host key, stores the ed25519 identity Keystore-encrypted,
pushes each folder additively or as a mirror, and runs on demand or on a
WiFi-only schedule. The build is self-contained and reproducible: make
setup provisions the toolchain, make builds rsync, rsh, and the APK.

1 files changed, 40 insertions, 0 deletions

diff --git a/app/src/main/res/layout/dialog_key.xml b/app/src/main/res/layout/dialog_key.xml
new file mode 100644
index 0000000..c2a0ed6
--- /dev/null
+++ b/app/src/main/res/layout/dialog_key.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="@dimen/space_m">
+
+    <TextView
+        android:id="@+id/keyText"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="@dimen/space_m"
+        android:background="@drawable/bg_input"
+        android:padding="12dp"
+        android:textAppearance="@style/TextAppearance.Rsend.Mono"
+        android:textIsSelectable="true" />
+
+    <Button
+        android:id="@+id/btnCopyKey"
+        style="@style/Widget.Rsend.Button.Secondary"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="@dimen/space_s"
+        android:text="Copy public key" />
+
+    <Button
+        android:id="@+id/btnGenKey"
+        style="@style/Widget.Rsend.Button.Secondary"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="@dimen/space_s"
+        android:text="Generate new key" />
+
+    <Button
+        android:id="@+id/btnImportKey"
+        style="@style/Widget.Rsend.Button.Secondary"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Import private key" />
+</LinearLayout>