android基础教程之android的listview与edittext冲突解决方法

importcom.********.R;

importandroid.content.Context;
importandroid.util.AttributeSet;
importandroid.view.KeyEvent;
importandroid.view.LayoutInflater;
importandroid.view.View;
importandroid.view.inputmethod.InputMethodManager;
importandroid.widget.EditText;
importandroid.widget.LinearLayout;
/**
 *
 *针对设备管理键盘事件的处理
 *divid小硕
 *
 ***/

publicclassMyLayoutextendsLinearLayout{
   privateContextcontext;
   publicMyLayout(Contextcontext){
       super(context);
       //TODOAuto-generatedconstructorstub
       this.context=context;
       LayoutInflater.from(context).inflate(R.layout.device_manager,this);//此处所加载的layout就是上面的xml，即它的名字就是device_manager.xml
   }
   publicMyLayout(Contextcontext,AttributeSetattrs,intdefStyle){
       super(context,attrs,defStyle);
       //TODOAuto-generatedconstructorstub
   }

   
   publicMyLayout(Contextcontext,AttributeSetattrs){
       super(context,attrs);
       //TODOAuto-generatedconstructorstub
   }
   @Override
   publicbooleandispatchKeyEventPreIme(KeyEventevent){
       //TODOAuto-generatedmethodstub
       if(context!=null){
           InputMethodManagerimm=(InputMethodManager)context.getSystemService(Context.INPUT_METHOD_SERVICE);
           if(imm.isActive()&&event.getKeyCode()==KeyEvent.KEYCODE_BACK){
               Viewview=DeviceManagerActivity.lv_data.getFocusedChild();
               if(view!=null){
                   view.clearFocus();
               }

           }
       }

       returnsuper.dispatchKeyEventPreIme(event);
   }
}