android:onclick="selftDestruct "，运行时出现找不到selftDestruct方法的错误，求大神指教！

Question

androidsdkxml

Answer 1

我就不跟你说原理了， 你可以自己去探究，我告诉你问题所在的原因：
1.在使用Fragment的时候，所有监听事件，都必须find出来，并且setonClicklistener
2.如：该Fragment实现OnClickListener接口，在onViewCreated方法中
view.findViewById(R.id.button1).setOnClickListener(this);
接下来的OnClick就生效了

Answer 2

你的selftDestruct(View view)这个方法应该要写在加载这个view的activity的类里面
参考view初始化的代码View.java                case R.styleable.View_onClick:
                    if (context.isRestricted()) {
                        throw new IllegalStateException("The android:onClick attribute cannot "
                                + "be used within a restricted context");
                    }                    final String handlerName = a.getString(attr);
                    if (handlerName != null) {
                        setOnClickListener(new OnClickListener() {
                            private Method mHandler;                            public void onClick(View v) {
                                if (mHandler == null) {
                                    try {
                                        mHandler = getContext().getClass().getMethod(handlerName,
                                                View.class);
                                    } catch (NoSuchMethodException e) {
                                        int id = getId();
                                        String idText = id == NO_ID ? "" : " with id '"
                                                + getContext().getResources().getResourceEntryName(
                                                    id) + "'";
                                        throw new IllegalStateException("Could not find a method " +
                                                handlerName + "(View) in the activity "
                                                + getContext().getClass() + " for onClick handler"
                                                + " on view " + View.this.getClass() + idText, e);
                                    }
                                }                                try {
                                    mHandler.invoke(getContext(), View.this);
                                } catch (IllegalAccessException e) {
                                    throw new IllegalStateException("Could not execute non "
                                            + "public method of the activity", e);
                                } catch (InvocationTargetException e) {
                                    throw new IllegalStateException("Could not execute "
                                            + "method of the activity", e);
                                }
                            }
                        });
                    }
                    break;

Answer 3

应该是1楼的说法，fragment不能像activity那样直接写事件