dalvikvm                                     Could not find class 'android.support.v7.app.AppCompatDelegateImplV23', referenced from method android.support.v7.app.AppCompatDelegate.create
dalvikvm                                     Could not find class 'android.support.v7.app.AppCompatDelegateImplV14', referenced from method android.support.v7.app.AppCompatDelegate.create
dalvikvm                                     Could not find class 'android.support.v7.app.AppCompatDelegateImplV11', referenced from method android.support.v7.app.AppCompatDelegate.create
dalvikvm                                     Could not find class 'android.support.v7.app.AppCompatDelegateImplV7', referenced from method android.support.v7.app.AppCompatDelegate.create
AndroidRuntime                               FATAL EXCEPTION: main
AndroidRuntime                               java.lang.NoClassDefFoundError: android.support.v7.app.AppCompatDelegateImplV14
AndroidRuntime                               at android.support.v7.app.AppCompatDelegate.create(AppCompatDelegate.java:135)
AndroidRuntime                               at android.support.v7.app.AppCompatDelegate.create(AppCompatDelegate.java:117)
AndroidRuntime                               at android.support.v7.app.AppCompatActivity.getDelegate(AppCompatActivity.java:456)
AndroidRuntime                               at android.support.v7.app.AppCompatActivity.onCreate(AppCompatActivity.java:59)

错误代码如上，提示的是Delegate错误，百度了一下说这个用来弄ToolBar，但是运行时闪退+报错