Just open the app

FATAL EXCEPTION: main
Process: com.forrestguice.suntimes.intervalmidpoints, PID: 16659
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.forrestguice.suntimes.intervalmidpoints/com.forrestguice.suntimes.intervalmidpoints.MainActivity}: android.view.InflateException: Binary XML file line #1 in com.forrestguice.suntimes.intervalmidpoints:layout/design_layout_snackbar_include: Binary XML file line #1 in com.forrestguice.suntimes.intervalmidpoints:layout/design_layout_snackbar_include: Error inflating class x
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3983)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4136)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:149)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:99)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2581)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loopOnce(Looper.java:224)
at android.os.Looper.loop(Looper.java:318)
at android.app.ActivityThread.main(ActivityThread.java:8727)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:561)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013)
Caused by: android.view.InflateException: Binary XML file line #1 in com.forrestguice.suntimes.intervalmidpoints:layout/design_layout_snackbar_include: Binary XML file line #1 in com.forrestguice.suntimes.intervalmidpoints:layout/design_layout_snackbar_include: Error inflating class x
Caused by: android.view.InflateException: Binary XML file line #1 in com.forrestguice.suntimes.intervalmidpoints:layout/design_layout_snackbar_include: Error inflating class x
Caused by: java.lang.ClassNotFoundException: android.view.x
at java.lang.Class.classForName(Native Method)
at java.lang.Class.forName(Class.java:607)
at android.view.LayoutInflater.createView(LayoutInflater.java:840)
at android.view.LayoutInflater.createView(LayoutInflater.java:801)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:938)
at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:68)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:955)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:975)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:1029)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:986)
at android.view.LayoutInflater.inflate(LayoutInflater.java:680)
at android.view.LayoutInflater.inflate(LayoutInflater.java:545)
at com.forrestguice.suntimes.addon.R$style.showMessage(Unknown Source:17)
at com.forrestguice.suntimes.intervalmidpoints.MainActivity.onCreate(MainActivity.java:65)
at android.app.Activity.performCreate(Activity.java:8891)
at android.app.Activity.performCreate(Activity.java:8856)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1468)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3965)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4136)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:149)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:99)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2581)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loopOnce(Looper.java:224)
at android.os.Looper.loop(Looper.java:318)
at android.app.ActivityThread.main(ActivityThread.java:8727)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:561)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013)
Caused by: java.lang.ClassNotFoundException: android.view.x
... 30 more