Android出现“Read-only file system”的解决办法和INSTALL_FAILED_UPDATE_INCOMPATIBLE安装出错的解决办法

最新推荐文章于 2023-05-25 14:58:59 发布
转载 最新推荐文章于 2023-05-25 14:58:59 发布 · 5k 阅读 · 0

本文介绍了如何解决Android开发过程中常见的文件系统权限问题和安装失败问题。提供了详细的步骤来更改文件系统的读写权限，并解决了因卸载应用不彻底导致的安装失败错误。

操作设备文件系统上的文件结果遇到"... Read-only file system"

解决办法：

1. 最简单的，adb remount

2. 不行的话，adb shell su之后将文件系统remount为读写权限： mount -o remount rw /system。出于安全考虑，记得完事后remount回只读： mount -o ro,remount /system

3. 和方法2类似，mount -o rw,remount -t ext3 /dev/block/mmcblk1p21 /system

 

 

INSTALL_FAILED_UPDATE_INCOMPATIBLE安装出错：

解决办法：

在反复安装android apk的时候，有的时候可能会遇到adb install错误，内容是：Failure [INSTALL_FAILED_UPDATE_INCOMPATIBLE]
这很可能是因为你在以前uninstall应用的时候，没有做彻底

 

其他我就不说了，说个操作简单解决办法：

adb uninstall package-name (这个在adb的帮助文档中没有说明，但可以用)
什么，不知道package-name？看看你的AndroidManifest.xml中有个必须的属性就是package，它所指定的就是package-name。

【由于Linux下是区分大小写的，注意包名大小写】

 

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#!/bin/sh . /lib/functions.sh . /lib/functions/system.sh . /usr/share/libubox/jshn.sh # File-local constants CONF_TAR=/tmp/sysupgrade.tgz ETCBACKUP_DIR=/etc/backup INSTALLED_PACKAGES=${ETCBACKUP_DIR}/installed_packages.txt COMMAND=/lib/upgrade/do_stage2 # File-local globals ADD_PROVISIONING=0 SAVE_OVERLAY=0 SAVE_OVERLAY_PATH= SAVE_PARTITIONS=1 SAVE_INSTALLED_PKGS=0 SKIP_UNCHANGED=0 CONF_IMAGE= CONF_BACKUP_LIST=0 CONF_BACKUP= CONF_RESTORE= USE_CURR_PART=0 NEED_IMAGE= HELP=0 TEST=0 # Globals accessed in other files export MTD_ARGS="" export MTD_CONFIG_ARGS="" export INTERACTIVE=0 export VERBOSE=1 export SAVE_CONFIG=1 export IGNORE_MINOR_COMPAT=0 export FORCE=0 export CONFFILES=/tmp/sysupgrade.conffiles # parse options while [ -n "$1" ]; do case "$1" in -i) export INTERACTIVE=1;; -v) export VERBOSE="$(($VERBOSE + 1))";; -q) export VERBOSE="$(($VERBOSE - 1))";; -n) export SAVE_CONFIG=0;; -c) SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/etc;; -o) SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/;; -p) SAVE_PARTITIONS=0;; -P) ADD_PROVISIONING=1;; -k) SAVE_INSTALLED_PKGS=1;; -u) SKIP_UNCHANGED=1;; -b|--create-backup) CONF_BACKUP="$2" NEED_IMAGE=1; shift;; -r|--restore-backup) CONF_RESTORE="$2" NEED_IMAGE=1; shift;; -l|--list-backup) CONF_BACKUP_LIST=1;; -f) CONF_IMAGE="$2"; shift;; -s) USE_CURR_PART=1;; -F|--force) export FORCE=1;; -T|--test) TEST=1;; -h|--help) HELP=1; break;; --ignore-minor-compat-version) export IGNORE_MINOR_COMPAT=1;; -*) echo "Invalid option: $1" >&2 exit 1 ;; *) break;; esac shift; done print_help() { cat <<EOF Usage: $0 [<upgrade-option>...] <image file or URL> $0 [-q] [-i] [-c] [-u] [-o] [-k] [-P] <backup-command> <file> upgrade-option: -f <config> restore configuration from .tar.gz (file or url) -i interactive mode -c attempt to preserve all changed files in /etc/ -o attempt to preserve all changed files in /, except those from packages but including changed confs. -u skip from backup files that are equal to those in /rom -n do not save configuration over reflash -p do not attempt to restore the partition table after flash. -k include in backup a list of current installed packages at $INSTALLED_PACKAGES -s stay on current partition (for dual firmware devices) -P create provisioning partition to keep sensitive data across factory resets. -T | --test Verify image and config .tar.gz but do not actually flash. -F | --force Flash image even if image checks fail, this is dangerous! --ignore-minor-compat-version Flash image even if the minor compat version is incompatible. -q less verbose -v more verbose -h | --help display this help backup-command: -b | --create-backup <file> create .tar.gz of files specified in sysupgrade.conf then exit. Does not flash an image. If file is '-', i.e. stdout, verbosity is set to 0 (i.e. quiet). -r | --restore-backup <file> restore a .tar.gz created with sysupgrade -b then exit. Does not flash an image. If file is '-', the archive is read from stdin. -l | --list-backup list the files that would be backed up when calling sysupgrade -b. Does not create a backup file. EOF } IMAGE="$1" if [ $HELP -gt 0 ]; then print_help exit 0 fi if [ -z "$IMAGE" -a -z "$NEED_IMAGE" -a $CONF_BACKUP_LIST -eq 0 ]; then print_help exit 1 fi [ -n "$IMAGE" -a -n "$NEED_IMAGE" ] && { cat <<-EOF -b|--create-backup and -r|--restore-backup do not perform a firmware upgrade. Do not specify both -b|-r and a firmware image. EOF exit 1 } # prevent messages from clobbering the tarball when using stdout [ "$CONF_BACKUP" = "-" ] && export VERBOSE=0 list_conffiles() { if [ -f /usr/lib/opkg/status ]; then awk ' BEGIN { conffiles = 0 } /^Conffiles:/ { conffiles = 1; next } !/^ / { conffiles = 0; next } conffiles == 1 { print } ' /usr/lib/opkg/status elif [ -d /lib/apk/packages ]; then conffiles="" for file in /lib/apk/packages/*.conffiles_static; do conffiles="$(echo -e "$(cat $file)\n$conffiles")" done echo "$conffiles" fi } list_changed_conffiles() { # Cannot handle spaces in filenames - but opkg cannot either... list_conffiles | while read file csum; do [ -r "$file" ] || continue echo "${csum} ${file}" | busybox sha256sum -sc - || echo "$file" done } list_static_conffiles() { local filter=$1 find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \ /etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \ \( -type f -o -type l \) $filter 2>/dev/null } build_list_of_backup_config_files() { local file="$1" ( list_static_conffiles "$find_filter"; list_changed_conffiles ) | sort -u > "$file" return 0 } build_list_of_backup_overlay_files() { local file="$1" local packagesfiles=$1.packagesfiles touch "$packagesfiles" if [ "$SAVE_OVERLAY_PATH" = / ]; then local conffiles=$1.conffiles local keepfiles=$1.keepfiles list_conffiles | cut -f2 -d ' ' | sort -u > "$conffiles" # backup files from /etc/sysupgrade.conf and /lib/upgrade/keep.d, but # ignore those aready controlled by opkg conffiles list_static_conffiles | sort -u | grep -h -v -x -F -f $conffiles > "$keepfiles" # backup conffiles, but only those changed if '-u' [ $SKIP_UNCHANGED = 1 ] && list_changed_conffiles | sort -u > "$conffiles" # do not backup files from packages, except those listed # in conffiles and keep.d { find /usr/lib/opkg/info -type f -name "*.list" -exec cat {} \; find /usr/lib/opkg/info -type f -name "*.control" -exec sed \ -ne '/^Alternatives/{s/^Alternatives: //;s/, /\n/g;p}' {} \; | cut -f2 -d: } | grep -v -x -F -f $conffiles | grep -v -x -F -f $keepfiles | sort -u > "$packagesfiles" rm -f "$keepfiles" "$conffiles" fi # busybox grep bug when file is empty [ -s "$packagesfiles" ] || echo > $packagesfiles ( cd /overlay/upper/; find .$SAVE_OVERLAY_PATH \( -type f -o -type l \) $find_filter | sed \ -e 's,^\.,,' \ -e '\,^/etc/board.json$,d' \ -e '\,/[^/]*-opkg$,d' \ -e '\,^/etc/urandom.seed$,d' \ -e "\,^$INSTALLED_PACKAGES$,d" \ -e '\,^/usr/lib/opkg/.*,d' \ ) | grep -v -x -F -f $packagesfiles > "$file" rm -f "$packagesfiles" return 0 } if [ $SAVE_OVERLAY = 1 ]; then [ ! -d /overlay/upper/etc ] && { echo "Cannot find '/overlay/upper/etc', required for '-c' or '-o'" >&2 exit 1 } sysupgrade_init_conffiles="build_list_of_backup_overlay_files" else sysupgrade_init_conffiles="build_list_of_backup_config_files" fi find_filter="" if [ $SKIP_UNCHANGED = 1 ]; then [ ! -d /rom/ ] && { echo "'/rom/' is required by '-u'" exit 1 } find_filter='( ( -exec test -e /rom/{} ; -exec cmp -s /{} /rom/{} ; ) -o -print )' fi include /lib/upgrade create_backup_archive() { local conf_tar="$1" local disabled local err [ "$(rootfs_type)" = "tmpfs" ] && { echo "Cannot save config while running from ramdisk." >&2 ask_bool 0 "Abort" && exit return 0 } run_hooks "$CONFFILES" $sysupgrade_init_conffiles ask_bool 0 "Edit config file list" && vi "$CONFFILES" [ "$conf_tar" != "-" ] || conf_tar="" v "Saving config files..." 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