[Android] BobbyCurry:
Error occurs at "Installation Of Required Tools"

Guys, plz, I need your help！

When I try this command:

sudo apt-get install git-core gnupg ccache lzop flex bison gperf build-essential zip curl zlib1g-dev zlib1g-dev:i386 libc6-dev lib32ncurses5 lib32z1 lib32bz2-1.0 lib32ncurses5-dev x11proto-core-dev libx11-dev:i386 libreadline6-dev:i386 lib32z-dev libgl1-mesa-glx:i386 libgl1-mesa-dev g++-multilib mingw32 tofrodos python-markdown libxml2-utils xsltproc readline-common libreadline6-dev libreadline6 lib32readline-gplv2-dev libncurses5-dev lib32readline5 lib32readline6 libreadline-dev libreadline6-dev:i386 libreadline6:i386 bzip2 libbz2-dev libbz2-1.0 libghc-bzlib-dev lib32bz2-dev libsdl1.2-dev libesd0-dev squashfs-tools pngcrush schedtool libwxgtk2.8-dev python

I encountered:

Reading package lists... Done
Building dependency tree
Reading state information... Done
Note, selecting 'lib32z1-dev' instead of 'lib32z-dev'
bzip2 is already the newest version.
libbz2-1.0 is already the newest version.
libreadline6 is already the newest version.
python is already the newest version.
python set to manually installed.
readline-common is already the newest version.
zip is already the newest version.
zip set to manually installed.
curl is already the newest version.
curl set to manually installed.
gnupg is already the newest version.
libc6-dev is already the newest version.
libc6-dev set to manually installed.
x11proto-core-dev is already the newest version.
x11proto-core-dev set to manually installed.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
build-essential : Depends: g++ (>= 4:4.4.3) but it is not going to be installed
default-jre : Depends: openjdk-7-jre (>= 7~u3-2.1.1) but it is not going to be installed
friends-twitter : Depends: account-plugin-twitter but it is not going to be installed
g++-multilib : Depends: gcc-multilib (>= 4:4.8.2-1ubuntu6) but it is not going to be installed
Depends: g++ (>= 4:4.8.2-1ubuntu6) but it is not going to be installed
Depends: g++-4.8-multilib (>= 4.8.2-5~) but it is not going to be installed
indicator-network : Depends: unity8 (>= 7.82) but it is not going to be installed
libgl1-mesa-dev : Depends: mesa-common-dev (= 10.1.0-4ubuntu5)
Depends: libgl1-mesa-glx (= 10.1.0-4ubuntu5)
Depends: libdrm-dev (>= 2.4.52) but it is not going to be installed
libgl1-mesa-glx:i386 : Depends: libglapi-mesa:i386 (= 10.1.3-0ubuntu0.4)
Depends: libudev1:i386 but it is not going to be installed or
libudev0:i386 but it is not installable
Recommends: libgl1-mesa-dri:i386 (>= 7.2)
Conflicts: libgl1
libgl1-mesa-glx-lts-vivid : Depends: libglapi-mesa-lts-vivid (= 10.5.2-0ubuntu1~trusty1) but it is not going to be installed
Depends: libgl1-mesa-dri-lts-vivid (>= 7.2) but it is not going to be installed
Conflicts: libgl1:i386
Conflicts: libgl1-mesa-glx:i386
libsdl1.2-dev : Depends: libglu1-mesa-dev but it is not going to be installed or
libglu-dev
Depends: libpulse-dev but it is not going to be installed
libwxgtk2.8-dev : Depends: libwxgtk2.8-0 (= 2.8.12.1+dfsg-2ubuntu2) but it is not going to be installed
openjdk-7-jdk : Depends: openjdk-7-jre (= 7u79-2.5.6-0ubuntu1.14.04.1) but it is not going to be installed
qtdeclarative5-qtmultimedia-plugin : Depends: libqt5multimedia5-plugins but it is not going to be installed
qtdeclarative5-ubuntu-ui-toolkit-plugin : Depends: libqt5svg5 but it is not going to be installed
Depends: qtdeclarative5-window-plugin but it is not going to be installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

I've search in this thread with keyword "pkgProblemResolver" and tried this:

sudo apt-get install libglew-dev libcheese7 libcheese-gtk23 libclutter-gst-2.0-0 libcogl15 libclutter-gtk-1.0-0 libclutter-1.0-0 xserver-xorg-input-all

but it still turned out to be error:

Reading package lists... Done
Building dependency tree
Reading state information... Done
libcheese-gtk23 is already the newest version.
libcheese-gtk23 set to manually installed.
libcheese7 is already the newest version.
libcheese7 set to manually installed.
libclutter-1.0-0 is already the newest version.
libclutter-1.0-0 set to manually installed.
libclutter-gst-2.0-0 is already the newest version.
libclutter-gst-2.0-0 set to manually installed.
libcogl15 is already the newest version.
libcogl15 set to manually installed.
libclutter-gtk-1.0-0 is already the newest version.
libclutter-gtk-1.0-0 set to manually installed.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
libglew-dev : Depends: libgl1-mesa-dev or
libgl-dev
Depends: libglu1-mesa-dev but it is not going to be installed or
libglu-dev
E: Unable to correct problems, you have held broken packages.

My Ubuntu version is 14.04 LTS

I'm just trying step in this field, requiring some help!