qt 6.5.1 original

util/android/android_emulator_launcher.sh

@@ -0,0 +1,106 @@
+#!/bin/bash
+# Copyright (C) 2021 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+# This util launches the Android emulator and ensures it doesn't stuck/freeze
+# by detecting that and restarting it
+
+set -e
+
+
+EMULATOR_MAX_RETRIES=5
+EMULATOR_EXEC="$ANDROID_SDK_ROOT/emulator/emulator"
+ADB_EXEC="$ANDROID_SDK_ROOT/platform-tools/adb"
+if [ -z "${ANDROID_EMULATOR}" ]
+then
+    EMULATOR_NAME="@emulator_x86_api_23"
+else
+    EMULATOR_NAME="$ANDROID_EMULATOR"
+fi
+
+
+function check_for_android_device
+{
+    $ADB_EXEC devices \
+        | awk 'NR==2{print $2}' | grep -qE '^(online|device)$'
+}
+
+# WARNING: On the very first boot of the emulator it happens that the device
+# "finishes" booting and getprop shows bootanim=stopped and
+# boot_completed=1. But sometimes not all packages have been installed (`pm
+# list packages` shows only 16 packages installed), and after around half a
+# minute the boot animation starts spinning (bootanim=running) again despite
+# boot_completed=1 all the time. After some minutes the boot animation stops
+# again and the list of packages contains 80 packages. Only then the device is
+# fully booted, and only then is dev.bootcomplete=1.
+#
+# To reproduce the emulator booting as the first time, you have to delete the
+# cached images found inside $HOME/.android especially the
+# "userdata-qemu.img.qcow2" file.
+function check_if_fully_booted
+{
+    # The "getprop" command separates lines with \r\n so we trim them
+    bootanim=`      $ADB_EXEC shell getprop init.svc.bootanim  | tr -d '\r\n'`
+    boot_completed=`$ADB_EXEC shell getprop sys.boot_completed | tr -d '\r\n'`
+    bootcomplete=`  $ADB_EXEC shell getprop dev.bootcomplete   | tr -d '\r\n'`
+    echo "bootanim=$bootanim boot_completed=$boot_completed bootcomplete=$bootcomplete"
+    [ "$bootanim" = stopped ] && [ "$boot_completed" = 1 ] && [ "$bootcomplete" = 1 ]
+}
+
+
+
+for counter in `seq ${EMULATOR_MAX_RETRIES}`
+do
+    $ADB_EXEC start-server
+
+    if check_for_android_device
+    then
+        echo "Emulator is already running but it shouldn't be. Aborting\!"
+        exit 3
+    fi
+
+    echo "Starting emulator, try ${counter}/${EMULATOR_MAX_RETRIES}"
+    $EMULATOR_EXEC $EMULATOR_NAME  \
+        -gpu swiftshader_indirect -no-audio -partition-size 4096  \
+        -cores 4 -memory 16000 -no-snapshot-load -no-snapshot-save \
+        </dev/null  >$HOME/emulator.log 2>&1  &
+    emulator_pid=$!
+    disown $emulator_pid
+
+    echo "Waiting for emulated device to appear..."
+    $ADB_EXEC wait-for-device
+
+    echo "Waiting a few minutes for the emulator to fully boot..."
+    emulator_status=down
+    for i in `seq 300`
+    do
+        sleep 1
+
+        if  check_for_android_device  &&  check_if_fully_booted
+        then
+            emulator_status=up
+            break
+        fi
+    done
+
+    # If emulator status is still offline after timeout period,
+    # we can assume it's stuck, and we must restart it
+    if [ $emulator_status = up ]
+    then
+        echo "Emulator started successfully"
+        break
+    else
+        if [ $counter -lt $EMULATOR_MAX_RETRIES ]
+        then
+            echo "Emulator failed to start, forcefully killing current instance and re-starting emulator"
+            kill $emulator_pid || true
+            sleep 5
+        elif [ $counter -eq $EMULATOR_MAX_RETRIES ]
+        then
+            echo "Emulator failed to start, reached maximum number of retries. Aborting\!"
+            exit 2
+        fi
+    fi
+done
+
+
+exit 0