creat footer to show error msg if user acts not as expected  | 
			||
|---|---|---|
| app | ||
| gradle/wrapper | ||
| .gitignore | ||
| README.md | ||
| gradlew | ||
| gradlew.bat | ||
| settings.gradle | ||
				
					
						
							creat footer to show error msg if user acts not as expected  | 
			||
|---|---|---|
| app | ||
| gradle/wrapper | ||
| .gitignore | ||
| README.md | ||
| gradlew | ||
| gradlew.bat | ||
| settings.gradle | ||