【发布时间】:2017-02-03 22:58:15
【问题描述】:
只是想知道是否有人可以帮助我,我正在尝试添加滑动刷新功能,但我看不到哪里出错了,我只是收到错误消息无法解析符号 mySwipeRefreshLayout
这是代码。谢谢
public class eventsListActivity extends AppCompatActivity implements SwipeRefreshLayout.OnRefreshListener {
mySwipeRefreshLayout.setOnRefreshListener(
new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
refreshList();
}
}
public class eventsListActivity extends AppCompatActivity implements SwipeRefreshLayout.OnRefreshListener {
mySwipeRefreshLayout.setOnRefreshListener(
new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
refreshList();
}
}
XML 代码:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_events_list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.parse.fypPlannr.eventsListActivity"
android:background="#24B14D">
<android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/Swiper"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerHorizontal="true"
android:id="@+id/eventList"
android:layout_below="@+id/createEvent"
android:textColor="@android:color/holo_orange_light"/>
</android.support.v4.widget.SwipeRefreshLayout>
<Button
android:text="Map View"
android:layout_height="wrap_content"
android:id="@+id/mapButton"
android:layout_width="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:background="#029789"
android:textColor="#ffffbb33"
android:onClick="mapView" />
<Button
android:text="Log Out"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/logOut"
android:onClick="logOut"
android:background="#029789"
android:textColor="#ffffbb33"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_toLeftOf="@+id/mapButton"
android:layout_toStartOf="@+id/mapButton" />
<Button
android:text="Create Event"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/createEvent"
android:onClick="createEvent"
android:background="#04988a"
android:textColor="#ffffbb33"
android:layout_alignParentTop="true"
android:layout_toRightOf="@+id/mapButton"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_events_list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.parse.fypPlannr.eventsListActivity"
android:background="#24B14D">
<android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/Swiper"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerHorizontal="true"
android:id="@+id/eventList"
android:layout_below="@+id/createEvent"
android:textColor="@android:color/holo_orange_light"/>
</android.support.v4.widget.SwipeRefreshLayout>
<Button
android:text="Map View"
android:layout_height="wrap_content"
android:id="@+id/mapButton"
android:layout_width="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:background="#029789"
android:textColor="#ffffbb33"
android:onClick="mapView" />
<Button
android:text="Log Out"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/logOut"
android:onClick="logOut"
android:background="#029789"
android:textColor="#ffffbb33"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_toLeftOf="@+id/mapButton"
android:layout_toStartOf="@+id/mapButton" />
<Button
android:text="Create Event"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/createEvent"
android:onClick="createEvent"
android:background="#04988a"
android:textColor="#ffffbb33"
android:layout_alignParentTop="true"
android:layout_toRightOf="@+id/mapButton"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />
http://pastebin.com/u72WtQ3y Java代码
【问题讨论】:
-
我已经编辑了你的帖子,它会暂时可见。我已经在你的帖子中发布了代码。确保您对代码进行了更好的解释并发布了您的 logcat,您可以删除那些指向 stackoverflow 之外的一些网站的链接。
-
使用前需要在Java中声明一个变量。您的
mySwipeRefreshLayout尚未在当前类或任何超类中声明。在尝试 Android 之前,请花一些时间通过Java Tutorials 工作,否则从现在开始您将到处遇到难题。
标签: java android refresh swipe