File list (Check if you may need any files):
FaceSignManager\.gitignore
FaceSignManager\.gradle\3.3\taskArtifacts\fileHashes.bin
FaceSignManager\.gradle\3.3\taskArtifacts\fileSnapshots.bin
FaceSignManager\.gradle\3.3\taskArtifacts\taskArtifacts.bin
FaceSignManager\.gradle\3.3\taskArtifacts\taskArtifacts.lock
FaceSignManager\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin
FaceSignManager\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock
FaceSignManager\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin
FaceSignManager\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock
FaceSignManager\.idea\compiler.xml
FaceSignManager\.idea\copyright\profiles_settings.xml
FaceSignManager\.idea\gradle.xml
FaceSignManager\.idea\libraries\animated_vector_drawable_25_2_0.xml
FaceSignManager\.idea\libraries\appcompat_v7_25_2_0.xml
FaceSignManager\.idea\libraries\design_25_2_0.xml
FaceSignManager\.idea\libraries\espresso_core_2_2_2.xml
FaceSignManager\.idea\libraries\espresso_idling_resource_2_2_2.xml
FaceSignManager\.idea\libraries\exposed_instrumentation_api_publish_0_5.xml
FaceSignManager\.idea\libraries\hamcrest_core_1_3.xml
FaceSignManager\.idea\libraries\hamcrest_integration_1_3.xml
FaceSignManager\.idea\libraries\hamcrest_library_1_3.xml
FaceSignManager\.idea\libraries\javawriter_2_1_1.xml
FaceSignManager\.idea\libraries\javax_annotation_api_1_2.xml
FaceSignManager\.idea\libraries\javax_inject_1.xml
FaceSignManager\.idea\libraries\jsr305_2_0_1.xml
FaceSignManager\.idea\libraries\junit_4_12.xml
FaceSignManager\.idea\libraries\recyclerview_v7_25_2_0.xml
FaceSignManager\.idea\libraries\rules_0_5.xml
FaceSignManager\.idea\libraries\runner_0_5.xml
FaceSignManager\.idea\libraries\support_annotations_25_2_0.xml
FaceSignManager\.idea\libraries\support_compat_25_2_0.xml
FaceSignManager\.idea\libraries\support_core_ui_25_2_0.xml
FaceSignManager\.idea\libraries\support_core_utils_25_2_0.xml
FaceSignManager\.idea\libraries\support_fragment_25_2_0.xml
FaceSignManager\.idea\libraries\support_media_compat_25_2_0.xml
FaceSignManager\.idea\libraries\support_v4_25_2_0.xml
FaceSignManager\.idea\libraries\support_vector_drawable_25_2_0.xml
FaceSignManager\.idea\libraries\transition_25_2_0.xml
FaceSignManager\.idea\misc.xml
FaceSignManager\.idea\modules.xml
FaceSignManager\.idea\runConfigurations.xml
FaceSignManager\.idea\workspace.xml
FaceSignManager\app\.gitignore
FaceSignManager\app\app.iml
FaceSignManager\app\build\generated\source\buildConfig\androidTest\debug\com\example\zhouk\facesignmanager\test\BuildConfig.java
FaceSignManager\app\build\generated\source\buildConfig\debug\com\example\zhouk\facesignmanager\BuildConfig.java
FaceSignManager\app\build\generated\source\r\androidTest\debug\android\app\R.java
FaceSignManager\app\build\generated\source\r\androidTest\debug\android\support\test\espresso\idling\R.java
FaceSignManager\app\build\generated\source\r\androidTest\debug\android\support\test\espresso\R.java
FaceSignManager\app\build\generated\source\r\androidTest\debug\android\support\test\R.java
FaceSignManager\app\build\generated\source\r\androidTest\debug\android\support\test\rule\R.java
FaceSignManager\app\build\generated\source\r\androidTest\debug\com\example\zhouk\facesignmanager\test\R.java
FaceSignManager\app\build\generated\source\r\debug\android\support\compat\R.java
FaceSignManager\app\build\generated\source\r\debug\android\support\coreui\R.java
FaceSignManager\app\build\generated\source\r\debug\android\support\coreutils\R.java
FaceSignManager\app\build\generated\source\r\debug\android\support\design\R.java
FaceSignManager\app\build\generated\source\r\debug\android\support\fragment\R.java
FaceSignManager\app\build\generated\source\r\debug\android\support\graphics\drawable\animated\R.java
FaceSignManager\app\build\generated\source\r\debug\android\support\graphics\drawable\R.java
FaceSignManager\app\build\generated\source\r\debug\android\support\mediacompat\R.java
FaceSignManager\app\build\generated\source\r\debug\android\support\transition\R.java
FaceSignManager\app\build\generated\source\r\debug\android\support\v4\R.java
FaceSignManager\app\build\generated\source\r\debug\android\support\v7\appcompat\R.java
FaceSignManager\app\build\generated\source\r\debug\android\support\v7\recyclerview\R.java
FaceSignManager\app\build\generated\source\r\debug\com\example\zhouk\facesignmanager\R.java
FaceSignManager\app\build\intermediates\blame\res\androidTest\debug\multi\values.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\anim.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\color.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\drawable.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\layout-v16.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\layout.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\mipmap-hdpi-v4.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-af.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-am.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-ar.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-az-rAZ.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-b+sr+Latn.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-be-rBY.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-bg.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-bn-rBD.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-bs-rBA.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-ca.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-cs.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-da.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-de.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-el.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-en-rAU.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-en-rGB.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-en-rIN.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-es-rUS.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-es.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-et-rEE.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-eu-rES.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-fa.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-fi.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-fr-rCA.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-fr.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-gl-rES.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-gu-rIN.json
FaceSignManager\app\build\intermediates\blame\res\debug\multi\values-h720dp-v13.json