android错误，请高手解答！

Question

java.lang.IllegalArgumentException: Unmatched braces in the pattern.
at java.text.MessageFormat.applyPattern(Unknown Source)
at java.text.MessageFormat.<init>(Unknown Source)
at java.text.MessageFormat.format(Unknown Source)
at org.eclipse.jdt.internal.core.util.Messages.bind(Messages.java:394)
at org.eclipse.jdt.internal.core.util.Messages.bind(Messages.java:360)
at org.eclipse.jdt.internal.core.util.Disassembler.disassemble(Disassembler.java:884)
at org.eclipse.jdt.internal.core.util.Disassembler.disassemble(Disassembler.java:239)
at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor$SourceAttachmentForm.updateCodeView(ClassFileEditor.java:407)
at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor$SourceAttachmentForm.createControl(ClassFileEditor.java:210)
at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.verifyInput(ClassFileEditor.java:776)
at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.createPartControl(ClassFileEditor.java:726)
at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:670)
at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)
at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:289)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2863)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2768)
at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2760)
at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2711)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2707)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2691)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2674)
at org.eclipse.debug.internal.ui.actions.breakpoints.OpenBreakpointMarkerAction.run(OpenBreakpointMarkerAction.java:72)
at org.eclipse.debug.internal.ui.views.variables.VariablesView.doubleClick(VariablesView.java:1212)
at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:824)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:822)
at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1421)
at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1225)
at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:238)
at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:235)
at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:296)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:620)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
at org.eclipse.equinox.launcher.Main.run(Main.java:1408)

Answer 1

public class Activitymus extends Activity implements OnClickListener { ImageButton btnstart;
ImageButton btnstop;
ActivityReceiver activityReceiver;
int status = 1; @Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.playmus);
btnstart = (ImageButton) this.findViewById(R.id.btn_start);
btnstop = (ImageButton) this.findViewById(R.id.btn_stop);
btnstart.setOnClickListener(this);
btnstop.setOnClickListener(this);
activityReceiver = new ActivityReceiver();        
IntentFilter filter = new IntentFilter();
filter.addAction("send.update");
registerReceiver(activityReceiver, filter);// 注册监听
Intent intent = new Intent(this, MyService.class); } @Override
public void onClick(View v) {
// TODO Auto-generated method stub Intent intent = new Intent("send.control");
switch (v.getId()) {
case R.id.btn_start:
intent.putExtra("ACTION", 1);
sendBroadcast(intent);
break;
case R.id.btn_stop:
intent.putExtra("ACTION", 2);
sendBroadcast(intent);
break; default:
break;
} } @Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
Intent intent = new Intent(this, MyService.class);
stopService(intent);
} public class ActivityReceiver extends BroadcastReceiver { @Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
int update = intent.getIntExtra("update", -1);
switch (update) {
case 1:
status = 1;
break;
case 2:
status = 2;
btnstart.setImageResource(R.drawable.png3);
break;
case 3:
btnstart.setImageResource(R.drawable.png2);
status = 3;
break; default:
break;
}
} }}
public class MyService extends Service {
    MediaPlayer mp;
    ServiceReceiver servicereceiver;
    int status=1;//当前状态：1.没有声音播放 2.正在播放 3.暂停
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
@Override
public void onCreate() {
// TODO Auto-generated method stub
status=1;
servicereceiver=new ServiceReceiver();     IntentFilter filter = new IntentFilter();
filter.addAction("send.control");
registerReceiver(servicereceiver, filter);//注册

super.onCreate();

}
   @Override
public void onDestroy() {
// TODO Auto-generated method stub
   unregisterReceiver(servicereceiver);
   
super.onDestroy();
}
public class ServiceReceiver extends BroadcastReceiver{ @Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
int action=intent.getIntExtra("ACTION", -1);
switch (action) {
case 1:
if(status==1){//当前没有播放声音
mp=MediaPlayer.create(context, R.raw.mus1);//初始化声音资源
status=2;//设置状态值
Intent sendintent=new Intent("send.update");
sendintent.putExtra("update", 2);//存入数据
sendBroadcast(sendintent);//发送广播
mp.start();
}
else if(status==2){
mp.pause();//暂停
status=3;//设置状态值
Intent sendintent=new Intent("send.update");
sendintent.putExtra("update", 3);//存入数据
sendBroadcast(sendintent);//发送广播

}
else if(status==3){
mp.start();//开始播放
status=2;//设置状态值
Intent sendintent=new Intent("send.update");
sendintent.putExtra("update", 2);//存入数据
sendBroadcast(sendintent);//发送广播

}
break;
case 2:
if(status==2||status==3){
mp.stop();
status=1;//设置状态值
Intent sendintent=new Intent("send.update");
sendintent.putExtra("update", 1);//存入数据
sendBroadcast(sendintent);//发送广播
}
            break;
default:
break;
}
}
   
   }
}