From 67e1cd9d3b582d655e8494b4fc2f1dd634f326c4 Mon Sep 17 00:00:00 2001
From: Markil 3 <markil3@singlepilot.net>
Date: Tue, 25 Aug 2026 12:18:46 -0600
Subject: [PATCH] Creates the scripts.

---
 android-lock         | 157 +++++++++++++++++++++++++++++++++++++++++++
 android-watch-lock   |  11 +++
 android-watch-scrcpy |  91 +++++++++++++++++++++++++
 3 files changed, 259 insertions(+)
 create mode 100755 android-lock
 create mode 100755 android-watch-lock
 create mode 100755 android-watch-scrcpy

diff --git a/android-lock b/android-lock
new file mode 100755
index 0000000..de78101
--- /dev/null
+++ b/android-lock
@@ -0,0 +1,157 @@
+#!/bin/bash
+lookup_password_gnome() {
+    pwd="$(secret-tool lookup "$1" Passwords)"
+    if [ $? = 0 ]
+    then
+        echo "$pwd"
+        return 0
+    else
+        echo "Could not find password \"$1\" in Gnome keyring." >&2
+        echo ""
+        return 1
+    fi
+}
+
+lookup_password_kde() {
+    pwd="$(kwallet-query -r "$1" kdewallet)"
+    if [ $? = 0 ]
+    then
+        echo "$pwd"
+        return 0
+    else
+        echo "Could not find password \"$1\" in KDE wallet." >&2
+        echo ""
+        return 1
+    fi
+}
+
+lookup_password() {
+    password="$1"
+    which kwallet-query >/dev/null
+    has_kde=$?
+    which secret-tool >/dev/null
+    has_gnome=$?
+    if [ $has_kde = 0 ]
+    then
+        pwd="$(lookup_password_kde "$password")"
+    elif [ $has_gnome = 0 ]
+    then
+        pwd="$(lookup_password_gnome "$password")"
+    else
+        echo "System does not use either KDE wallet or Gnome keyring" >&2
+        return 2;
+    fi
+    
+    if [ $? = 0 ]
+    then
+        echo "$pwd";
+        return 0;
+    else
+        echo ""
+        return 1;
+    fi
+}
+
+is_screen_on() {
+    [ "$(adb shell dumpsys power | grep mHoldingDisplaySuspendBlocker= | grep -oE '(true|false)')" == true ] && return
+    false
+}
+
+is_unlocked() {
+    [ "$(adb shell dumpsys window| awk '/mDreamingLockscreen=/{print $2; exit}' | grep -oE '(true|false)')" == false ] && return
+    false
+}
+
+unlock() {
+    if ! is_screen_on
+    then
+        adb shell input keyevent 26 # wakeup
+    fi
+    adb shell input keyevent 82 # get the keyboard ready
+    adb shell input keyevent 66;
+    adb shell input keyevent 66;
+    password_name="android-${ANDROID_SERIAL}"
+    sleep 1; # wait a bit to ensure all the inputs have fully processes.
+    password="$(lookup_password "$password_name")"
+    if [ -z "$password" ]
+    then
+        echo "No password found. Please submit one under the \"${password_name}\" entry in the OS keyring." >&2
+        exit 1
+    else
+        adb shell input keyboard text "$password"
+        adb shell input keyboard keyevent 66;
+        echo "OK, should be on now." >&2
+    fi
+}
+
+lock() {
+    adb shell input keyevent 26;
+}
+
+list_devices() {
+    adb devices | awk '/(^[[:alnum:]]+[[:blank:]]+device$)/ {print $1}'
+}
+
+first_device() {
+    devices="$(adb devices | awk '/(^[[:alnum:]]+[[:blank:]]+device$)/ {print $1}')"
+    if [ -z "$devices" ]
+    then
+        echo ""
+        return
+    else
+        set -- "$devices"
+        echo $1
+    fi
+}
+
+has_devices() {
+    [ ! -z "$(list_devices)" ] && return
+    false
+}
+
+while getopts 'uls:' flag
+do
+    case "${flag}" in
+        u) set_unlock=true ;;
+        l) set_lock=true ;;
+        s) export ANDROID_SERIAL="${OPTARG}" ;;
+        *) print_usage; exit 1 ;;
+    esac
+done
+
+which adb >/dev/null 2>/dev/null
+if [ $? != 0 ]
+then
+    echo "ADB not installed or not located in $PATH" >&2
+    exit 4
+fi
+
+if ! has_devices
+then
+    echo "No Android devices found" >&2
+    exit 3
+fi
+
+if [ -z "$ANDROID_SERIAL" ]
+then
+    export ANDROID_SERIAL="$(first_device)"
+fi
+
+if is_unlocked
+then
+    if [ "$set_unlock" != true ]
+    then
+        echo "Locking screen." >&2
+        lock
+    else
+        echo "Screen is already unlocked." >&2
+    fi
+else
+    if [ "$set_lock" != true ]
+    then
+        echo "Screen is off. Turning on." >&2
+        unlock
+    else
+        echo "Screen is already locked." >&2
+    fi
+fi
diff --git a/android-watch-lock b/android-watch-lock
new file mode 100755
index 0000000..fa183fd
--- /dev/null
+++ b/android-watch-lock
@@ -0,0 +1,11 @@
+#!/bin/bash
+# ADB watch for login and unlock a phone
+
+dbus-monitor --session "type=signal,interface=org.freedesktop.ScreenSaver" | while read MSG; do
+    LOCK_STAT=`echo $MSG | grep boolean | awk '{print $2}'`
+    if [[ "$LOCK_STAT" == "true" ]]; then
+        android-lock -l
+    elif [[ "$LOCK_STAT" == "false" ]]; then
+        android-lock -u
+    fi
+done
diff --git a/android-watch-scrcpy b/android-watch-scrcpy
new file mode 100755
index 0000000..78b4190
--- /dev/null
+++ b/android-watch-scrcpy
@@ -0,0 +1,91 @@
+#!/bin/bash
+
+list_devices() {
+    adb devices | awk '/(^[[:alnum:]]+[[:blank:]]+device$)/ {print $1}'
+}
+
+first_device() {
+    devices="$(adb devices | awk '/(^[[:alnum:]]+[[:blank:]]+device$)/ {print $1}')"
+    if [ -z "$devices" ]
+    then
+        echo ""
+        return
+    else
+        set -- "$devices"
+        echo $1
+    fi
+}
+
+has_devices() {
+    [ ! -z "$(list_devices)" ] && return
+    false
+}
+
+which adb >/dev/null 2>/dev/null
+if [ $? != 0 ]
+then
+    echo "ADB not installed or not located in $PATH" >&2
+    exit 4
+fi
+
+which scrcpy >/dev/null 2>/dev/null
+if [ $? != 0 ]
+then
+    echo "scrcpy not installed or not located in $PATH" >&2
+    exit 4
+fi
+
+declare -A serial_map
+declare -A bluetooth_map
+
+while true
+do
+    devices="$(list_devices)"
+    while read serial;
+    do
+        if [ -z "$serial" ]
+        then
+            continue
+        fi
+        if [ -z "${serial_map[$serial]}" ]
+        then
+            echo "New device $serial connected" >&2
+            scrcpy -s "$serial" &
+            serial_map[$serial]=$!
+            android-lock -u -s "$serial"
+            # Link the phone to bluetooth as well.
+            bluetooth_mac="$(adb -s "$serial" shell settings get secure bluetooth_address)"
+            bluetoothctl devices | grep "$bluetooth_mac" >/dev/null 2>/dev/null
+            if [ $? != 0 ]
+            then
+                # Pair the devices
+                bluetoothctl scan on
+                adb -s "$serial" shell am start -a android.bluetooth.adapter.action.REQUEST_DISCOVERABLE
+                sleep 1
+                bluetoothctl pair "$bluetooth_mac"
+                bluetoothctl scan off
+            else
+                adb -s "$serial" shell am start -a android.bluetooth.adapter.action.REQUEST_ENABLE
+            fi
+            bluetoothctl connect "$bluetooth_mac"
+            bluetooth_map[$serial]="$bluetooth_mac"
+        fi
+    done <<< "$devices"
+
+    # Check for devices that have disconnected.
+    for serial in "${!serial_map[@]}"
+    do
+        adb -s "$serial" get-state >/dev/null 2>/dev/null
+        if [ $? != 0 ]
+        then
+            # The device has since been disconnected, and we should remove it.
+            echo "Device $serial disconnected"
+            kill "${serial_map[$serial]}"
+            unset serial_map[$serial]
+            echo "Disconnecting bluetooth ${bluetooth_map[$serial]}"
+            bluetoothctl disconnect "${bluetooth_map[$serial]}"
+            echo "Bluetooth disconnected"
+            unset bluetooth_map[$serial]
+        fi
+    done
+done