小编van*_*hpr的帖子

我收到错误,应用程序在运行时死亡.

这是错误:

07-22 21:02:19.785 3136-3136/? E/dalvikvm: Could not find class 'android.graphics.drawable.RippleDrawable', referenced from method android.support.v7.widget.AppCompatImageHelper.hasOverlappingRendering
07-22 21:02:19.825 3136-3136/? E/dalvikvm: Could not find class 'android.widget.ThemedSpinnerAdapter', referenced from method android.support.v7.widget.AppCompatSpinner$DropDownAdapter.<init>
07-22 21:02:19.915 3136-3136/? E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.vankhanhpr.vidu2, PID: 3136
    java.lang.IllegalArgumentException: Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkParameterIsNotNull, parameter selectedItemView
    at com.example.vankhanhpr.vidu2.fragment_main.fragment_mom_baby.Create_File_Mon$onCreate$1.onItemSelected(Create_File_Mon.kt)
    at android.widget.AdapterView.fireOnSelected(AdapterView.java:893)
    at android.widget.AdapterView.selectionChanged(AdapterView.java:880)
    at android.widget.AdapterView.checkSelectionChanged(AdapterView.java:1043)
    at android.widget.AdapterView.handleDataChanged(AdapterView.java:1023)
    at android.widget.AbsSpinner.onMeasure(AbsSpinner.java:180)
    at android.widget.Spinner.onMeasure(Spinner.java:486)
    at android.support.v7.widget.AppCompatSpinner.onMeasure(AppCompatSpinner.java:416)
    at android.view.View.measure(View.java:16628)
    at android.widget.LinearLayout.measureHorizontal(LinearLayout.java:1231)
    at android.widget.LinearLayout.onMeasure(LinearLayout.java:590)
    at android.view.View.measure(View.java:16628)
    at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
    at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404)
    at android.widget.LinearLayout.measureVertical(LinearLayout.java:695) …