EditText点击不弹出系统键盘,显示光标

// 隐藏系统键盘
public void hideSoftInputMethod(EditText ed){

int currentVersion = android.os.Build.VERSION.SDK_INT;
String methodName = null;
if(currentVersion >= 16){
// 4.2
methodName = "setShowSoftInputOnFocus";
}
else if(currentVersion >= 14){
// 4.0
methodName = "setSoftInputShownOnFocus";
}

if(methodName == null){
ed.setInputType(InputType.TYPE_NULL);
}
else{
Class<EditText> cls = EditText.class;
Method setShowSoftInputOnFocus;
try {
setShowSoftInputOnFocus = cls.getMethod(methodName, boolean.class);
setShowSoftInputOnFocus.setAccessible(true);
setShowSoftInputOnFocus.invoke(ed, false);
} catch (NoSuchMethodException e) {
ed.setInputType(InputType.TYPE_NULL);
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
}