File list (Check if you may need any files):
DragAndDrop
DragAndDrop\.DS_Store
__MACOSX
__MACOSX\DragAndDrop
__MACOSX\DragAndDrop\._.DS_Store
DragAndDrop\.gitignore
DragAndDrop\.gradle
DragAndDrop\.gradle\3.3
DragAndDrop\.gradle\3.3\taskArtifacts
DragAndDrop\.gradle\3.3\taskArtifacts\fileHashes.bin
DragAndDrop\.gradle\3.3\taskArtifacts\fileSnapshots.bin
DragAndDrop\.gradle\3.3\taskArtifacts\taskArtifacts.bin
DragAndDrop\.gradle\3.3\taskArtifacts\taskArtifacts.lock
DragAndDrop\.gradle\3.3\tasks
DragAndDrop\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac
DragAndDrop\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis
DragAndDrop\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin
DragAndDrop\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock
DragAndDrop\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot
DragAndDrop\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin
DragAndDrop\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock
DragAndDrop\.idea
DragAndDrop\.idea\compiler.xml
DragAndDrop\.idea\copyright
DragAndDrop\.idea\copyright\profiles_settings.xml
DragAndDrop\.idea\gradle.xml
DragAndDrop\.idea\inspectionProfiles
DragAndDrop\.idea\inspectionProfiles\profiles_settings.xml
DragAndDrop\.idea\inspectionProfiles\Project_Default.xml
DragAndDrop\.idea\libraries
DragAndDrop\.idea\libraries\animated_vector_drawable_25_3_1.xml
DragAndDrop\.idea\libraries\appcompat_v7_25_3_1.xml
DragAndDrop\.idea\libraries\constraint_layout_1_0_2.xml
DragAndDrop\.idea\libraries\constraint_layout_solver_1_0_2.xml
DragAndDrop\.idea\libraries\espresso_core_2_2_2.xml
DragAndDrop\.idea\libraries\espresso_idling_resource_2_2_2.xml
DragAndDrop\.idea\libraries\exposed_instrumentation_api_publish_0_5.xml
DragAndDrop\.idea\libraries\hamcrest_core_1_3.xml
DragAndDrop\.idea\libraries\hamcrest_integration_1_3.xml
DragAndDrop\.idea\libraries\hamcrest_library_1_3.xml
DragAndDrop\.idea\libraries\javawriter_2_1_1.xml
DragAndDrop\.idea\libraries\javax_annotation_api_1_2.xml
DragAndDrop\.idea\libraries\javax_inject_1.xml
DragAndDrop\.idea\libraries\jsr305_2_0_1.xml
DragAndDrop\.idea\libraries\junit_4_12.xml
DragAndDrop\.idea\libraries\rules_0_5.xml
DragAndDrop\.idea\libraries\runner_0_5.xml
DragAndDrop\.idea\libraries\support_annotations_25_3_1.xml
DragAndDrop\.idea\libraries\support_compat_25_3_1.xml
DragAndDrop\.idea\libraries\support_core_ui_25_3_1.xml
DragAndDrop\.idea\libraries\support_core_utils_25_3_1.xml
DragAndDrop\.idea\libraries\support_fragment_25_3_1.xml
DragAndDrop\.idea\libraries\support_media_compat_25_3_1.xml
DragAndDrop\.idea\libraries\support_v4_25_3_1.xml
DragAndDrop\.idea\libraries\support_vector_drawable_25_3_1.xml
DragAndDrop\.idea\misc.xml
DragAndDrop\.idea\modules.xml
DragAndDrop\.idea\runConfigurations.xml
DragAndDrop\.idea\workspace.xml
DragAndDrop\app
DragAndDrop\app\.DS_Store
__MACOSX\DragAndDrop\app
__MACOSX\DragAndDrop\app\._.DS_Store
DragAndDrop\app\.gitignore
DragAndDrop\app\app.iml
DragAndDrop\app\build
DragAndDrop\app\build\generated
DragAndDrop\app\build\generated\res
DragAndDrop\app\build\generated\res\resValues
DragAndDrop\app\build\generated\res\resValues\androidTest
DragAndDrop\app\build\generated\res\resValues\androidTest\debug
DragAndDrop\app\build\generated\res\resValues\debug
DragAndDrop\app\build\generated\res\rs
DragAndDrop\app\build\generated\res\rs\androidTest
DragAndDrop\app\build\generated\res\rs\androidTest\debug
DragAndDrop\app\build\generated\res\rs\debug
DragAndDrop\app\build\generated\source
DragAndDrop\app\build\generated\source\aidl
DragAndDrop\app\build\generated\source\aidl\androidTest
DragAndDrop\app\build\generated\source\aidl\androidTest\debug
DragAndDrop\app\build\generated\source\aidl\debug
DragAndDrop\app\build\generated\source\buildConfig
DragAndDrop\app\build\generated\source\buildConfig\androidTest
DragAndDrop\app\build\generated\source\buildConfig\androidTest\debug
DragAndDrop\app\build\generated\source\buildConfig\androidTest\debug\com
DragAndDrop\app\build\generated\source\buildConfig\androidTest\debug\com\ovit
DragAndDrop\app\build\generated\source\buildConfig\androidTest\debug\com\ovit\draganddrop
DragAndDrop\app\build\generated\source\buildConfig\androidTest\debug\com\ovit\draganddrop\test
DragAndDrop\app\build\generated\source\buildConfig\androidTest\debug\com\ovit\draganddrop\test\BuildConfig.java
DragAndDrop\app\build\generated\source\buildConfig\debug
DragAndDrop\app\build\generated\source\buildConfig\debug\com
DragAndDrop\app\build\generated\source\buildConfig\debug\com\ovit
DragAndDrop\app\build\generated\source\buildConfig\debug\com\ovit\draganddrop
DragAndDrop\app\build\generated\source\buildConfig\debug\com\ovit\draganddrop\BuildConfig.java
DragAndDrop\app\build\generated\source\r
DragAndDrop\app\build\generated\source\r\androidTest
DragAndDrop\app\build\generated\source\r\androidTest\debug
DragAndDrop\app\build\generated\source\r\androidTest\debug\android
DragAndDrop\app\build\generated\source\r\androidTest\debug\android\app
DragAndDrop\app\build\generated\source\r\androidTest\debug\android\app\R.java