When you compile the application again, it started to knock out an error (Application stopped). Even after I commented on everything in MainActivity (only setContentView(R.layout.activity_main) ), anyway, the error
08-20 16:19:26.374 16269-16269/org.antonin.newprogect E/AndroidRuntime: FATAL EXCEPTION: main Process: org.antonin.newprogect, PID: 16269 android.view.InflateException: Binary XML file line #37: Error inflating class Button at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:713) at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) at android.view.LayoutInflater.inflate(LayoutInflater.java:492) at android.view.LayoutInflater.inflate(LayoutInflater.java:397) at org.antonin.newprogect.Fragment.Follows.onCreateView(Follows.java:41) at android.support.v4.app.Fragment.performCreateView(Fragment.java:2074) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1104) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1286) at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:758) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1671) at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:532) at android.os.Handler.handleCallback(Handler.java:733) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5001) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601) at dalvik.system.NativeStart.main(Native Method) Caused by: android.content.res.Resources$NotFoundException: File res/drawable/abc_ic_clear_material.xml from drawable resource ID #0x7f020015 at android.content.res.Resources.loadDrawable(Resources.java:2096) at android.content.res.TypedArray.getDrawable(TypedArray.java:602) at android.view.View.<init>(View.java:3554) at android.widget.TextView.<init>(TextView.java:623) at android.widget.Button.<init>(Button.java:107) at android.support.v7.widget.AppCompatButton.<init>(AppCompatButton.java:62) at android.support.v7.widget.AppCompatButton.<init>(AppCompatButton.java:58) at android.support.v7.app.AppCompatViewInflater.createView(AppCompatViewInflater.java:109) at android.support.v7.app.AppCompatDelegateImplV7.createView(AppCompatDelegateImplV7.java:1008) at android.support.v7.app.AppCompatDelegateImplV7.onCreateView(AppCompatDelegateImplV7.java:1067) at android.support.v4.view.LayoutInflaterCompatHC$FactoryWrapperHC.onCreateView(LayoutInflaterCompatHC.java:44) at android.view.LayoutInflater$FactoryMerger.onCreateView(LayoutInflater.java:172) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:684) at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) at android.view.LayoutInflater.inflate(LayoutInflater.java:492) at android.view.LayoutInflater.inflate(LayoutInflater.java:397) at org.antonin.newprogect.Fragment.Follows.onCreateView(Follows.java:41) at android.support.v4.app.Fragment.performCreateView(Fragment.java:2074) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1104) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1286) at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:758) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1671) at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:532) at android.os.Handler.handleCallback(Handler.java:733) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5001) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601) at dalvik.system.NativeStart.main(Native Method) Caused by: org.xmlpull.v1.XmlPullParserException: Binary XML file line #17: invalid drawable tag vector at android.graphics.drawable.Drawable.createFromXmlInner(Drawable.java:933) at android.graphics.drawable.Drawable.createFromXml(Drawable.java:877) at android.content.res.Resources.loadDrawable(Resources.java:2092) at android.content.res.TypedArray.getDrawable(TypedArray.java:602) at android.view.View.<init>(View.java:3554) at android.widget.TextView.<init>(TextView.java:623) at android.widget.Button.<init>(Button.java:107) at android.support.v7.widget.AppCompatButton.<init>(AppCompatButton.java:62) at android.support.v7.widget.AppCompatButton.<init>(AppCompatButton.java:58) at android.support.v7.app.AppCompatViewInflater.createView(AppCompatViewInflater.java:109) at android.support.v7.app.AppCompatDelegateImplV7.createView(AppCompatDelegateImplV7.java:1008) at android.support.v7.app.AppCompatDelegateImplV7.onCreateView(AppCompatDelegateImplV7.java:1067) at android.support.v4.view.LayoutInflaterCompatHC$FactoryWrapperHC.onCreateView(LayoutInflaterCompatHC.java:44) at android.view.LayoutInflater$FactoryMerger.onCreateView(LayoutInflater.java:172) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:684) at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) at android.view.LayoutInflater.inflate(LayoutInflater.java:492) at android.view.LayoutInflater.inflate(LayoutInflater.java:397) at org.antonin.newprogect.Fragment.Follows.onCreateView(Follows.java:41) at android.support.v4.app.Fragment.performCreateView(Fragment.java:2074) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1104) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1286) at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:758) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1671) at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:532) at android.os.Handler.handleCallback(Handler.java:733) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5001) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601) at dalvik.system.NativeStart.main(Native Method) What could be the problem?
