diff --git a/.travis.yml b/.travis.yml
index ac815a939..701b28c4c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -57,11 +57,7 @@ matrix:
       os: linux
       compiler: gcc
     - env: BUILD_TARGET="android-build" VERBOSE=1
-      language: android
-      android:
-        components:
-          - tools
-          - platform-tools
+      os: linux
     - env: BUILD_TARGET="posix-distcheck" CC=clang-5.0 CXX=clang++-5.0 VERBOSE=1 VIRTUAL_TIME=1
       os: linux
       addons:
diff --git a/.travis/before_install.sh b/.travis/before_install.sh
index ce38d4d35..cdf3b8ce0 100755
--- a/.travis/before_install.sh
+++ b/.travis/before_install.sh
@@ -50,7 +50,12 @@ cd /tmp || die
 
     [ $BUILD_TARGET != android-build ] || {
         sudo apt-get install -y bison gcc-multilib g++-multilib
-        echo y | sdkmanager "ndk-bundle"
+        (
+        cd $HOME
+        wget https://dl.google.com/android/repository/android-ndk-r17c-linux-x86_64.zip
+        unzip android-ndk-r17c-linux-x86_64.zip > /dev/null
+        mv android-ndk-r17c ndk-bundle
+        ) || die
     }
 
     [ $BUILD_TARGET != pretty-check ] || {
diff --git a/.travis/check-android-build b/.travis/check-android-build
new file mode 100755
index 000000000..85f0ab6fc
--- /dev/null
+++ b/.travis/check-android-build
@@ -0,0 +1,107 @@
+#!/bin/sh
+#
+#  Copyright (c) 2018, The OpenThread Authors.
+#  All rights reserved.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions are met:
+#  1. Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#  2. Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#  3. Neither the name of the copyright holder nor the
+#     names of its contributors may be used to endorse or promote products
+#     derived from this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+#  POSSIBILITY OF SUCH DAMAGE.
+#
+
+#
+# Run this command on parent directory of openthread
+#
+
+set -e
+set -x
+
+#######################################
+# Prepare android build system
+# Globals:
+#   None
+# Arguments:
+#   None
+# Returns:
+#   None
+#######################################
+android_prepare_build_system()
+{
+    # Android build system
+    (mkdir build && cd build && git init && git pull --depth 1 https://android.googlesource.com/platform/build 2db32730e79cafcf13e1f898a7bee7f82b0449d6)
+    ln -s build/core/main.mk Makefile
+
+    # Workarounds for java checking
+    export ANDROID_JAVA_HOME=/usr/lib/jvm/java-8-oracle
+    mkdir bin
+    cat > bin/java <<EOF
+#!/bin/sh
+echo java version \"1.6\"
+EOF
+
+    cat > bin/javac <<EOF
+echo javac \"1.6\"
+EOF
+    chmod a+x bin/java bin/javac
+    export PATH=$(pwd)/bin:$PATH
+
+    # Files for building ndk
+    mkdir -p system/core/include/arch/linux-arm
+    touch system/core/include/arch/linux-arm/AndroidConfig.h
+
+    mkdir -p system/core/include/arch/linux-x86
+    touch system/core/include/arch/linux-x86/AndroidConfig.h
+
+    ANDROID_NDK_PATH=$HOME/ndk-bundle
+    mkdir -p bionic/libc/
+    cp -r $ANDROID_NDK_PATH/sysroot/usr/include bionic/libc/include
+    mv bionic/libc/include/arm-linux-androideabi/asm bionic/libc/include/asm
+
+    mkdir -p out/target/product/generic/obj/
+    cp -r $ANDROID_NDK_PATH/platforms/android-27/arch-arm/usr/lib out/target/product/generic/obj/
+
+    mkdir -p bionic/libstdc++
+    cp -r $ANDROID_NDK_PATH/sources/cxx-stl/gnu-libstdc++/4.9/include bionic/libstdc++
+    cp -r $ANDROID_NDK_PATH/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/include/* bionic/libstdc++/include
+    # The default libstdc++.so does not contain full stl implementation, see https://developer.android.com/ndk/guides/cpp-support
+    cp -r $ANDROID_NDK_PATH/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/libgnustl_shared.so out/target/product/generic/obj/lib/libstdc++.so
+
+    # Build spec
+    cat > buildspec.mk <<EOF
+TARGET_PRODUCT := generic
+TARGET_BUILD_VARIANT := eng
+TARGET_BUILD_TYPE := release
+TARGET_TOOLS_PREFIX := $ANDROID_NDK_PATH/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-
+EOF
+}
+
+main() {
+    android_prepare_build_system
+
+    make showcommands ot-core
+    make showcommands ot-cli
+    make showcommands ot-ncp
+
+    test -x out/target/product/generic/system/bin/ot-cli
+    test -x out/target/product/generic/system/bin/ot-ncp
+}
+
+main "$@"
diff --git a/.travis/script.sh b/.travis/script.sh
index 07cec8125..7be504faf 100755
--- a/.travis/script.sh
+++ b/.travis/script.sh
@@ -32,65 +32,6 @@ die() {
 	exit 1
 }
 
-#######################################
-# Prepare android build system
-# Globals:
-#   None
-# Arguments:
-#   None
-# Returns:
-#   None
-#######################################
-android_prepare_build_system()
-{
-    # Android build system
-    (mkdir build && cd build && git init && git pull --depth 1 https://android.googlesource.com/platform/build 2db32730e79cafcf13e1f898a7bee7f82b0449d6)
-    ln -s build/core/main.mk Makefile
-
-    # Workarounds for java checking
-    export ANDROID_JAVA_HOME=/usr/lib/jvm/java-8-oracle
-    mkdir bin
-    cat > bin/java <<EOF
-#!/bin/sh
-echo java version \"1.6\"
-EOF
-
-    cat > bin/javac <<EOF
-echo javac \"1.6\"
-EOF
-    chmod a+x bin/java bin/javac
-    export PATH=$(pwd)/bin:$PATH
-
-    # Files for building ndk
-    mkdir -p system/core/include/arch/linux-arm
-    touch system/core/include/arch/linux-arm/AndroidConfig.h
-
-    mkdir -p system/core/include/arch/linux-x86
-    touch system/core/include/arch/linux-x86/AndroidConfig.h
-
-    ANDROID_NDK_PATH=$(dirname $(which sdkmanager))/../../ndk-bundle
-    mkdir -p bionic/libc/
-    cp -r $ANDROID_NDK_PATH/sysroot/usr/include bionic/libc/include
-    mv bionic/libc/include/arm-linux-androideabi/asm bionic/libc/include/asm
-
-    mkdir -p out/target/product/generic/obj/
-    cp -r $ANDROID_NDK_PATH/platforms/android-27/arch-arm/usr/lib out/target/product/generic/obj/
-
-    mkdir -p bionic/libstdc++
-    cp -r $ANDROID_NDK_PATH/sources/cxx-stl/gnu-libstdc++/4.9/include bionic/libstdc++
-    cp -r $ANDROID_NDK_PATH/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/include/* bionic/libstdc++/include
-    # The default libstdc++.so does not contain full stl implementation, see https://developer.android.com/ndk/guides/cpp-support
-    cp -r $ANDROID_NDK_PATH/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/libgnustl_shared.so out/target/product/generic/obj/lib/libstdc++.so
-
-    # Build spec
-    cat > buildspec.mk <<EOF
-TARGET_PRODUCT := generic
-TARGET_BUILD_VARIANT := eng
-TARGET_BUILD_TYPE := release
-TARGET_TOOLS_PREFIX := $ANDROID_NDK_PATH/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-
-EOF
-}
-
 set -x
 
 [ $BUILD_TARGET != pretty-check ] || {
@@ -131,16 +72,7 @@ set -x
 }
 
 [ $BUILD_TARGET != android-build ] || {
-    cd ..
-
-    android_prepare_build_system
-
-    make showcommands ot-core
-    make showcommands ot-cli
-    make showcommands ot-ncp
-
-    test -f out/target/product/generic/system/bin/ot-cli || die
-    test -f out/target/product/generic/system/bin/ot-ncp || die
+    (cd .. && ${TRAVIS_BUILD_DIR}/.travis/check-android-build) || die
 }
 
 [ $BUILD_TARGET != arm-gcc-4 ] || {