diff --git a/build.sh b/build.sh
new file mode 100755
index 000000000..1f6aab495
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,269 @@
+#!/bin/bash
+# Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
+# This file is part of Loop Habit Tracker.
+#
+# Loop Habit Tracker is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by the
+# Free Software Foundation, either version 3 of the License, or (at your
+# option) any later version.
+#
+# Loop Habit Tracker is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ADB="${ANDROID_HOME}/platform-tools/adb"
+EMULATOR="${ANDROID_HOME}/tools/emulator"
+GRADLE="./gradlew --stacktrace"
+PACKAGE_NAME=org.isoron.uhabits
+OUTPUTS_DIR=app/build/outputs
+
+KEYFILE="TestKeystore.jks"
+KEY_ALIAS="default"
+KEY_PASSWORD="qwe123" 
+STORE_PASSWORD="qwe123"
+
+if [ ! -f "${ANDROID_HOME}/platform-tools/adb" ]; then
+	echo "Error: ANDROID_HOME is not set correctly"
+	exit 1
+fi
+
+log_error() {
+	if [ ! -z "$TEAMCITY_VERSION" ]; then
+		echo "###teamcity[progressMessage '$1']"
+	else
+		local COLOR='\033[1;31m'
+		local NC='\033[0m'
+		echo -e "$COLOR>>> $1 $NC"
+	fi
+}
+
+log_info() {
+	if [ ! -z "$TEAMCITY_VERSION" ]; then
+		echo "###teamcity[progressMessage '$1']"
+	else
+		local COLOR='\033[1;32m'
+		local NC='\033[0m'
+		echo -e "$COLOR>>> $1 $NC"
+	fi
+}
+
+fail() {
+	if [ ! -z ${AVD_NAME} ]; then
+		stop_emulator
+		stop_gradle_daemon
+	fi
+	log_error "BUILD FAILED"
+	exit 1
+}
+
+start_emulator() {
+	log_info "Starting emulator"
+	$EMULATOR -avd ${AVD_NAME} -port ${AVD_SERIAL} -no-audio -no-window &
+	$ADB wait-for-device || fail
+	sleep 10
+}
+
+stop_emulator() {
+	log_info "Stopping emulator"
+	$ADB emu kill
+}
+
+stop_gradle_daemon() {
+	log_info "Stopping gradle daemon"
+	$GRADLE --stop
+}
+
+run_adb_as_root() {
+	log_info "Running adb as root"
+	$ADB root
+}
+
+build_apk() {
+	if [ ! -z $RELEASE ]; then
+		log_info "Building release APK"
+		./gradlew assembleRelease \
+			-Pandroid.injected.signing.store.file=$KEYFILE \
+			-Pandroid.injected.signing.store.password=$STORE_PASSWORD \
+			-Pandroid.injected.signing.key.alias=$KEY_ALIAS \
+			-Pandroid.injected.signing.key.password=$KEY_PASSWORD || fail
+	else
+		log_info "Building debug APK"
+		./gradlew assembleDebug || fail
+	fi
+}
+
+build_instrumentation_apk() {
+	log_info "Building instrumentation APK"
+	if [ ! -z $RELEASE ]; then
+		$GRADLE assembleAndroidTest  \
+			-Pandroid.injected.signing.store.file=$KEYFILE \
+			-Pandroid.injected.signing.store.password=$STORE_PASSWORD \
+			-Pandroid.injected.signing.key.alias=$KEY_ALIAS \
+			-Pandroid.injected.signing.key.password=$KEY_PASSWORD || fail
+	else
+		$GRADLE assembleAndroidTest || fail
+	fi
+}
+
+clean_output_dir() {
+	log_info "Cleaning output directory"
+	rm -rf ${OUTPUTS_DIR}
+	mkdir -p ${OUTPUTS_DIR}
+}
+
+uninstall_apk() {
+	log_info "Uninstalling existing APK"
+	$ADB uninstall ${PACKAGE_NAME}
+}
+
+install_apk() {
+	if [ ! -z $UNINSTALL_FIRST ]; then
+		uninstall_apk
+	fi
+
+	log_info "Installing APK"
+
+	if [ ! -z $RELEASE ]; then
+		$ADB install -r ${OUTPUTS_DIR}/apk/app-release.apk	|| fail
+	else
+		$ADB install -r ${OUTPUTS_DIR}/apk/app-debug.apk	|| fail
+	fi
+}
+
+install_test_apk() {
+	$ADB install -r ${OUTPUTS_DIR}/apk/app-debug-androidTest.apk || fail
+}
+
+run_instrumented_tests() {
+	log_info "Running instrumented tests"
+	$ADB shell am instrument \
+		-r -e coverage true -e size medium \
+		-w ${PACKAGE_NAME}.test/android.support.test.runner.AndroidJUnitRunner \
+		> ${OUTPUTS_DIR}/instrument.txt
+
+	mkdir -p ${OUTPUTS_DIR}/code-coverage/connected/
+	$ADB pull /data/user/0/${PACKAGE_NAME}/files/coverage.ec \
+		${OUTPUTS_DIR}/code-coverage/connected/ \
+		|| log_error "COVERAGE REPORT NOT AVAILABLE"
+}
+
+parse_instrumentation_results() {
+	log_info "Parsing instrumented test results"
+	java -jar tools/automator-log-converter-1.5.0.jar ${OUTPUTS_DIR}/instrument.txt || fail
+}
+
+fetch_artifacts() {
+	log_info "Fetching generated artifacts"
+	mkdir -p ${OUTPUTS_DIR}/failed
+	$ADB pull /mnt/sdcard/test-screenshots/ ${OUTPUTS_DIR}/failed
+	$ADB pull /storage/sdcard/test-screenshots/ ${OUTPUTS_DIR}/failed
+	$ADB pull /sdcard/Android/data/${PACKAGE_NAME}/files/test-screenshots/ ${OUTPUTS_DIR}/failed
+
+	$ADB shell rm -r /mnt/sdcard/test-screenshots/ 
+	$ADB shell rm -r /storage/sdcard/test-screenshots/ 
+	$ADB shell rm -r /sdcard/Android/data/${PACKAGE_NAME}/files/test-screenshots/ 
+}
+
+fetch_logcat() {
+	log_info "Fetching logcat"
+	$ADB logcat -d > ${OUTPUTS_DIR}/logcat.txt
+}
+
+run_jvm_tests() {
+	log_info "Running JVM tests"
+	$GRADLE --no-daemon coverageReport	|| fail
+}
+
+uninstall_test_apk() {
+	log_info "Uninstalling test APK"
+	$ADB uninstall ${PACKAGE_NAME}.test || fail
+}
+
+run_local_tests() {
+	clean_output_dir
+	run_adb_as_root
+	build_apk
+	build_instrumentation_apk
+	install_apk
+	install_test_apk
+	run_instrumented_tests
+	parse_instrumentation_results
+	fetch_artifacts
+	fetch_logcat
+	run_jvm_tests
+	uninstall_test_apk
+}
+
+parse_opts() {
+	OPTS=`getopt -o ur --long uninstall-first,release -n 'build.sh' -- "$@"`
+	if [ $? != 0 ] ; then exit 1; fi
+	eval set -- "$OPTS" 
+
+	while true; do
+		case "$1" in
+			-u | --uninstall-first ) UNINSTALL_FIRST=1; shift ;;
+			-r | --release ) RELEASE=1; shift ;;
+			* ) break ;;
+		esac
+	done	
+}
+
+case "$1" in
+	ci-tests)
+		if [ -z $3 ]; then
+			cat <<- END
+				Usage: $0 ci-tests AVD_NAME AVD_SERIAL [options]
+
+				Parameters:
+				    AVD_NAME		name of the virtual android device to start
+				    AVD_SERIAL		adb port to use (e.g. 5560)
+
+				Options:
+				    -u  --uninstall-first   Uninstall existing APK first
+				    -r  --release           Build and install release version, instead of debug
+			END
+			exit 1
+		fi
+
+		shift; AVD_NAME=$1
+		shift; AVD_SERIAL=$1
+		shift; parse_opts $*
+		ADB="${ADB} -s emulator-${AVD_SERIAL}"
+
+		start_emulator
+		run_local_tests
+		stop_emulator
+		stop_gradle_daemon
+		;;
+
+	local-tests)
+		shift; parse_opts $*
+		run_local_tests
+		;;
+
+	install)
+		shift; parse_opts $*
+		build_apk
+		install_apk
+		;;
+
+	*)
+		cat <<- END
+			Usage: $0 <command> [options]
+			Builds, installs and tests Loop Habit Tracker
+
+			Commands:
+			    ci-tests            Start emulator silently, run tests then kill emulator
+			    local-tests         Run all tests on connected device
+			    install             Install app on connected device
+
+			Options:
+			    -u  --uninstall-first   Uninstall existing APK first
+			    -r  --release           Build and install release version, instead of debug
+		END
+		exit 1
+esac
diff --git a/run_tests b/run_tests
deleted file mode 100755
index 63042b5a1..000000000
--- a/run_tests
+++ /dev/null
@@ -1,131 +0,0 @@
-#!/bin/bash
-
-if [ -z $2 ]; then
-cat <<END
-Usage: $0 AVD_NAME AVD_SERIAL
-Runs all tests (JVM and instrumented) with coverage report
-
-Parameters:
-    AVD_NAME        the name of the Android Virtual Device
-    AVD_SERIAL      the port number to use (e.g. 5560)
-END
-    exit 1
-fi
-
-if [ ! -f "${ANDROID_HOME}/platform-tools/adb" ]; then
-    echo "Error: ANDROID_HOME is not set correctly"
-    exit 1
-fi
-
-AVD_NAME=$1
-AVD_SERIAL=$2
-
-ADB="${ANDROID_HOME}/platform-tools/adb -s emulator-${AVD_SERIAL}"
-EMULATOR="${ANDROID_HOME}/tools/emulator"
-GRADLE="./gradlew --stacktrace"
-PACKAGE_NAME=org.isoron.uhabits
-OUTPUTS_DIR=app/build/outputs
-
-KEYFILE="TestKeystore.jks"
-KEY_ALIAS="default"
-KEY_PASSWORD="qwe123" 
-STORE_PASSWORD="qwe123"
-
-info() {
-    if [ ! -z "$TEAMCITY_VERSION" ]; then
-        echo "###teamcity[progressMessage '$1']"
-    else
-        local COLOR='\033[1;32m'
-        local NC='\033[0m'
-        echo -e " $COLOR*$NC $1"
-    fi
-}
-
-cleanup() {
-    $ADB emu kill
-    $GRADLE --stop
-}
-
-fail() {
-    exit 1
-}
-
-#--------------------------------------------------------------------------------
-info "Starting emulator"
-$EMULATOR -avd ${AVD_NAME} -port ${AVD_SERIAL} -no-audio -no-window &
-$ADB wait-for-device || fail
-sleep 10
-
-#--------------------------------------------------------------------------------
-info "Running adb as root"
-$ADB root || fail
-
-#--------------------------------------------------------------------------------
-info "Cleaning output directory"
-rm -rf ${OUTPUTS_DIR}
-mkdir -p ${OUTPUTS_DIR}
-
-#--------------------------------------------------------------------------------
-info "Building release APK"
-./gradlew assembleRelease \
-    -Pandroid.injected.signing.store.file=$KEYFILE \
-    -Pandroid.injected.signing.store.password=$STORE_PASSWORD \
-    -Pandroid.injected.signing.key.alias=$KEY_ALIAS \
-    -Pandroid.injected.signing.key.password=$KEY_PASSWORD || fail
-
-#--------------------------------------------------------------------------------
-info "Building instrumentation APK"
-$GRADLE assembleAndroidTest  \
-    -Pandroid.injected.signing.store.file=$KEYFILE \
-    -Pandroid.injected.signing.store.password=$STORE_PASSWORD \
-    -Pandroid.injected.signing.key.alias=$KEY_ALIAS \
-    -Pandroid.injected.signing.key.password=$KEY_PASSWORD || fail
-
-#--------------------------------------------------------------------------------
-info "Installing APKs"
-$ADB uninstall ${PACKAGE_NAME}
-$ADB install -r ${OUTPUTS_DIR}/apk/app-release.apk  || fail
-$ADB install -r ${OUTPUTS_DIR}/apk/app-debug-androidTest.apk || fail
-
-#--------------------------------------------------------------------------------
-info "Running instrumentation tests"
-$ADB shell am instrument \
-    -r -e coverage true -e size medium \
-    -w ${PACKAGE_NAME}.test/android.support.test.runner.AndroidJUnitRunner \
-    > ${OUTPUTS_DIR}/instrument.txt
-
-#--------------------------------------------------------------------------------
-info "Parsing test results"
-java -jar tools/automator-log-converter-1.5.0.jar ${OUTPUTS_DIR}/instrument.txt || fail
-
-#--------------------------------------------------------------------------------
-info "Fetching generated artifacts"
-mkdir -p ${OUTPUTS_DIR}/failed
-$ADB pull /mnt/sdcard/test-screenshots/ ${OUTPUTS_DIR}/failed
-$ADB pull /storage/sdcard/test-screenshots/ ${OUTPUTS_DIR}/failed
-$ADB pull /sdcard/Android/data/${PACKAGE_NAME}/files/test-screenshots/ ${OUTPUTS_DIR}/failed
-
-$ADB shell rm -r /mnt/sdcard/test-screenshots/ 
-$ADB shell rm -r /storage/sdcard/test-screenshots/ 
-$ADB shell rm -r /sdcard/Android/data/${PACKAGE_NAME}/files/test-screenshots/ 
-
-#--------------------------------------------------------------------------------
-info "Fetching logcat"
-$ADB logcat -d > ${OUTPUTS_DIR}/logcat.txt
-
-#--------------------------------------------------------------------------------
-info "Running JVM tests"
-mkdir -p ${OUTPUTS_DIR}/code-coverage/connected/
-$ADB pull /data/user/0/${PACKAGE_NAME}/files/coverage.ec \
-    ${OUTPUTS_DIR}/code-coverage/connected/
-$GRADLE --no-daemon coverageReport  || fail
-
-#--------------------------------------------------------------------------------
-info "Uninstalling test APK"
-$ADB uninstall ${PACKAGE_NAME}.test || fail
-
-#--------------------------------------------------------------------------------
-info "Stopping emulator and cleaning up"
-cleanup
-
-exit $failed