                        课程
                    
                        /移动开发
                        
                            /Android
                        
                        /Android攻城狮的第一门课（入门篇）

按老师的写法报如下错误帮忙看看：

11-06 22:24:47.345: E/AndroidRuntime(2756): FATAL EXCEPTION: main

11-06 22:24:47.345: E/AndroidRuntime(2756): Process: com.st.ganhuo, PID: 2756

11-06 22:24:47.345: E/AndroidRuntime(2756): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.st.ganhuo/com.st.ganhuo.MainActivity}: android.view.InflateException: Binary XML file line #11: Error inflating class com.st.ganhuo.MarqueeText

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.app.ActivityThread.access$800(ActivityThread.java:151)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.os.Handler.dispatchMessage(Handler.java:102)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.os.Looper.loop(Looper.java:135)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.app.ActivityThread.main(ActivityThread.java:5254)

11-06 22:24:47.345: E/AndroidRuntime(2756): at java.lang.reflect.Method.invoke(Native Method)

11-06 22:24:47.345: E/AndroidRuntime(2756): at java.lang.reflect.Method.invoke(Method.java:372)

11-06 22:24:47.345: E/AndroidRuntime(2756): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)

11-06 22:24:47.345: E/AndroidRuntime(2756): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)

11-06 22:24:47.345: E/AndroidRuntime(2756): Caused by: android.view.InflateException: Binary XML file line #11: Error inflating class com.st.ganhuo.MarqueeText

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.view.LayoutInflater.createView(LayoutInflater.java:616)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.view.LayoutInflater.inflate(LayoutInflater.java:504)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.view.LayoutInflater.inflate(LayoutInflater.java:414)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.view.LayoutInflater.inflate(LayoutInflater.java:365)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:249)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:106)

11-06 22:24:47.345: E/AndroidRuntime(2756): at com.st.ganhuo.MainActivity.onCreate(MainActivity.java:17)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.app.Activity.performCreate(Activity.java:5990)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)

11-06 22:24:47.345: E/AndroidRuntime(2756): ... 10 more

11-06 22:24:47.345: E/AndroidRuntime(2756): Caused by: java.lang.NoSuchMethodException: <init> [class android.content.Context, interface android.util.AttributeSet]

11-06 22:24:47.345: E/AndroidRuntime(2756): at java.lang.Class.getConstructor(Class.java:531)

11-06 22:24:47.345: E/AndroidRuntime(2756): at java.lang.Class.getConstructor(Class.java:495)

11-06 22:24:47.345: E/AndroidRuntime(2756): at android.view.LayoutInflater.createView(LayoutInflater.java:580)

11-06 22:24:47.345: E/AndroidRuntime(2756): ... 21 more