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





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