当我使用android.support.design.widget.FloatingActionButton时，错误日志：java.lang.RuntimeException：无法启动活动ComponentInfo {com.rq.materialdesign / com.rq.materialdesign.MainActivity}：android.view。 InflateException：二进制XML文件行＃19：错误膨胀类android.support.v7.internal.widget.NativeActionModeAwareLayout
06-10 10:21:12.780: E/AndroidRuntime(24157): Process: com.rq.materialdesign, PID: 24157
06-10 10:21:12.780: E/AndroidRuntime(24157): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.rq.materialdesign/com.rq.materialdesign.MainActivity}: android.view.InflateException: Binary XML file line #19: Error inflating class android.support.v7.internal.widget.NativeActionModeAwareLayout
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2432)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2492)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.app.ActivityThread.access$1200(ActivityThread.java:158)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1349)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.os.Handler.dispatchMessage(Handler.java:102)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.os.Looper.loop(Looper.java:135)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.app.ActivityThread.main(ActivityThread.java:5564)
06-10 10:21:12.780: E/AndroidRuntime(24157): at java.lang.reflect.Method.invoke(Native Method)
06-10 10:21:12.780: E/AndroidRuntime(24157): at java.lang.reflect.Method.invoke(Method.java:372)
06-10 10:21:12.780: E/AndroidRuntime(24157): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:960)
06-10 10:21:12.780: E/AndroidRuntime(24157): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
06-10 10:21:12.780: E/AndroidRuntime(24157): Caused by: android.view.InflateException: Binary XML file line #19: Error inflating class android.support.v7.internal.widget.NativeActionModeAwareLayout
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:776)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.view.LayoutInflater.rInflate(LayoutInflater.java:825)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.view.LayoutInflater.parseInclude(LayoutInflater.java:909)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.view.LayoutInflater.rInflate(LayoutInflater.java:821)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.view.LayoutInflater.inflate(LayoutInflater.java:523)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.view.LayoutInflater.inflate(LayoutInflater.java:425)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.view.LayoutInflater.inflate(LayoutInflater.java:368)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.support.v7.app.AppCompatDelegateImplV7.createSubDecor(AppCompatDelegateImplV7.java:383)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.support.v7.app.AppCompatDelegateImplV7.ensureSubDecor(AppCompatDelegateImplV7.java:279)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:253)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109)
06-10 10:21:12.780: E/AndroidRuntime(24157): at com.rq.materialdesign.MainActivity.onCreate(MainActivity.java:21)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.app.Activity.performCreate(Activity.java:6013)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2385)
06-10 10:21:12.780: E/AndroidRuntime(24157): ... 10 more
06-10 10:21:12.780: E/AndroidRuntime(24157): Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.v7.internal.widget.NativeActionModeAwareLayout" on path: DexPathList[[zip file "/data/app/com.rq.materialdesign-2/base.apk"],nativeLibraryDirectories=[/vendor/lib64, /system/lib64]]
06-10 10:21:12.780: E/AndroidRuntime(24157): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
06-10 10:21:12.780: E/AndroidRuntime(24157): at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
06-10 10:21:12.780: E/AndroidRuntime(24157): at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.view.LayoutInflater.createView(LayoutInflater.java:590)
06-10 10:21:12.780: E/AndroidRuntime(24157): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762)
06-10 10:21:12.780: E/AndroidRuntime(24157): ... 24 more
06-10 10:21:12.780: E/AndroidRuntime(24157): Suppressed: java.lang.ClassNotFoundException: android.support.v7.internal.widget.NativeActionModeAwareLayout
06-10 10:21:12.780: E/AndroidRuntime(24157): at java.lang.Class.classForName(Native Method)
06-10 10:21:12.780: E/AndroidRuntime(24157): at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
06-10 10:21:12.780: E/AndroidRuntime(24157): at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
06-10 10:21:12.780: E/AndroidRuntime(24157): at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
06-10 10:21:12.780: E/AndroidRuntime(24157): ... 27 more
06-10 10:21:12.780: E/AndroidRuntime(24157): Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available