自定义View编译失败。Binary XML file line #255: Error inflating

02-28 15:17:16.281: DEBUG/AndroidRuntime(391): Shutting down VM
02-28 15:17:16.281: WARN/dalvikvm(391): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
02-28 15:17:16.372: ERROR/AndroidRuntime(391): FATAL EXCEPTION: main
02-28 15:17:16.372: ERROR/AndroidRuntime(391): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.min.musicdemo/com.min.musicdemo.MusicDemo}: android.view.InflateException: Binary XML file line #255: Error inflating class com.min.musicdemo.lyric.LyricView
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.app.ActivityThread.access$2300(ActivityThread.java:125)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.os.Handler.dispatchMessage(Handler.java:99)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.os.Looper.loop(Looper.java:123)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.app.ActivityThread.main(ActivityThread.java:4627)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at java.lang.reflect.Method.invokeNative(Native Method)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at java.lang.reflect.Method.invoke(Method.java:521)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at dalvik.system.NativeStart.main(Native Method)
02-28 15:17:16.372: ERROR/AndroidRuntime(391): Caused by: android.view.InflateException: Binary XML file line #255: Error inflating class com.min.musicdemo.lyric.LyricView
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.view.LayoutInflater.createView(LayoutInflater.java:513)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:565)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:618)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:621)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:621)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.view.LayoutInflater.inflate(LayoutInflater.java:407)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:198)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.app.Activity.setContentView(Activity.java:1647)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at com.min.musicdemo.MusicDemo.onCreate(MusicDemo.java:255)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     ... 11 more
02-28 15:17:16.372: ERROR/AndroidRuntime(391): Caused by: java.lang.reflect.InvocationTargetException
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at com.min.musicdemo.lyric.LyricView.<init>(LyricView.java:39)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at java.lang.reflect.Constructor.constructNative(Native Method)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at java.lang.reflect.Constructor.newInstance(Constructor.java:446)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     at android.view.LayoutInflater.createView(LayoutInflater.java:500)
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     ... 23 more
02-28 15:17:16.372: ERROR/AndroidRuntime(391): Caused by: java.lang.NullPointerException
02-28 15:17:16.372: ERROR/AndroidRuntime(391):     ... 27 more
02-28 15:17:16.421: WARN/ActivityManager(60):   Force finishing activity com.min.musicdemo/.MusicDemo
02-28 15:17:16.942: WARN/ActivityManager(60): Activity pause timeout for HistoryRecord{44035078 com.min.musicdemo/.MusicDemo}
02-28 15:17:27.986: WARN/ActivityManager(60): Activity destroy timeout for HistoryRecord{44035078 com.min.musicdemo/.MusicDemo}
02-28 15:21:17.266: DEBUG/SntpClient(60): request time failed: java.net.SocketException: Address family not supported by protocol

xml中使用

XML/HTML code
 
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<!-- VIEW3 ********* lyric area -->
         < LinearLayout  xmlns:android = "http://schemas.android.com/apk/res/android"
             android:id = "@+id/llLyric"
             android:orientation = "vertical"
            android:layout_width = "fill_parent"
             android:layout_height = "fill_parent" 
             android:visibility = "gone"
             android:layout_weight = "1"
            
             < TextView
                 android:id = "@+id/tvLyricTitle" 
                 android:layout_width = "fill_parent" 
                 android:layout_height = "wrap_content"
                 android:paddingLeft = "4dip"
                 android:text = "动感歌词"
                 android:textColor = "#0000FF"
                  android:layout_gravity = "center_horizontal"
                 android:gravity = "center"
                 />
             < com.min.musicdemo.lyric.LyricView
                 android:id = "@+id/lyricView" 
                 android:layout_width = "fill_parent" 
                 android:layout_height = "200dip"
                 />
         </ LinearLayout



类定义

Java code
 
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public  class  LyricView  extends  View {
     private  static  final  String TAG =  "LyricView"
     
     private  Paint paint;
     private  Rect rect;                 // 歌词显示区域
     private  List<Sentence> list =  null ;     // 歌词list
     private  String text =  "Lyric is loading..." ;            // 单行歌词
     private  long  currentTime =  0 ;         // 正在演唱的时间
     private  int  color =  0xFF0000FF ;    // 歌词颜色
     
     public  LyricView(Context context) {
         super (context);
 
         // 生成paint    
         paint =  new  Paint();
         rect.left =  this .getLeft();
         rect.top =  this .getTop();
         rect.right =  this .getRight();
         rect.bottom =  this .getBottom();
     }
     
     public  LyricView(Context context, AttributeSet attrs) { // 构造方法;根据需要实现继承自View的方法   
         super (context, attrs);
         
         // 生成paint    
         paint =  new  Paint();
         rect.left =  10 ;
         rect.top =  50 ;
         rect.right =  10 ;
         rect.bottom =  50 ;
         
         //对于我们自定义的类中,我们需要使用一个名为obtainStyledAttributes的方法来获取我们的定义。   
         //得到自定义控件的属性值。   
     }


靠,原来是在构造函数中忘了创建rect对象
加上rect = new Rect();就ok了





原文地址:https://www.cnblogs.com/javawebsoa/p/3206380.html