• Convert line ending from CRLF to LF.

Formatting and whitespace issues are some of the more frustrating and subtle problems that many developers encounter when collaborating, especially cross-platform. It’s very easy for patches or other collaborated work to introduce subtle whitespace changes because editors silently introduce them, and if your files ever touch a Windows system, their line endings might be replaced. Git has a few configuration options to help with these issues.

core.autocrlf

If you’re programming on Windows and working with people who are not (or vice-versa), you’ll probably run into line-ending issues at some point. This is because Windows uses both a carriage-return character and a linefeed character for newlines in its files, whereas Mac and Linux systems use only the linefeed character. This is a subtle but incredibly annoying fact of cross-platform work; many editors on Windows silently replace existing LF-style line endings with CRLF, or insert both line-ending characters when the user hits the enter key.

Git can handle this by auto-converting CRLF line endings into LF when you add a file to the index, and vice versa when it checks out code onto your filesystem ...

Source: Git documentation - Configuration - Formatting-and-Whitespace

When I tried to build apk, I got this:

cd /data1/git-tmp/tittojose
rm -rf /data1/git-tmp/tittojose/TimeRangePicker
git clone https://github.com/tittojose/TimeRangePicker
Cloning into 'TimeRangePicker'...
Checking connectivity... done

cd /data1/git-tmp/tittojose/TimeRangePicker
gradle assembleDebug
Failed to notify ProjectEvaluationListener.afterEvaluate(), but primary configuration failure takes precedence.
java.lang.IllegalArgumentException: android.compileSdkVersion is missing!
    at com.android.build.gradle.internal.SdkHandler.initTarget(SdkHandler.java:80)
    at com.android.build.gradle.BasePlugin.ensureTargetSetup(BasePlugin.groovy:462)
    at com.android.build.gradle.BasePlugin.access$2(BasePlugin.groovy)
    at com.android.build.gradle.BasePlugin$_createTasks_closure13.doCall(BasePlugin.groovy:386)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)