欢迎访问悦橙教程(wld5.com),关注java教程。悦橙教程  java问答|  每日更新
页面导航 : > > 文章正文

SwipeRefreshLayout 官方的下拉刷新组件使用示例,,SwipeRefresh

来源: javaer 分享于  点击 16220 次 点评:124

SwipeRefreshLayout 官方的下拉刷新组件使用示例,,SwipeRefresh


SwipeRefreshLayout在v4包下,对应的v4Demo中也有相应的例子。如果没有请下载最新support-v4

SwipeRefreshLayout 只能有一个直接子View,可能是一个ListView或一个Layout或其他需要刷新的组件。

setOnRefreshListener 用于监听刷新的动作。SwipeRefreshLayout 下拉,就会有刷新的效果出来,触发该监听。

如果需要一个刷新的动画,setRefreshing(true), 停: setRefreshing(false)

如果要禁用刷新动画和手势响应,ssetEnable(false), 恢复setEnable(true)

来个v4的例子:

    public class SwipeRefreshLayoutActivity extends Activity implements OnRefreshListener {          public static final String[] TITLES =          {                  "Henry IV (1)",                  "Henry V",                  "Henry VIII",                  "Richard II",                  "Richard III",                  "Merchant of Venice",                  "Othello",                  "King Lear",                  "Henry IV (1)",                  "Henry V",                  "Henry VIII",                  "Richard II",                  "Richard III",                  "Merchant of Venice",                  "Othello",                  "King Lear",                  "Henry IV (1)",                  "Henry V",                  "Henry VIII",                  "Richard II",                  "Richard III",                  "Merchant of Venice",                  "Othello",                  "King Lear",                  "Henry IV (1)",                  "Henry V",                  "Henry VIII",                  "Richard II",                  "Richard III",                  "Merchant of Venice",                  "Othello",                  "King Lear"          };          // Try a SUPER quick refresh to make sure we don't get extra refreshes          // while the user's finger is still down.          private static final boolean SUPER_QUICK_REFRESH = false;          private View mContent;          private SwipeRefreshLayout mSwipeRefreshWidget;          private ListView mList;          private Handler mHandler = new Handler();          private final Runnable mRefreshDone = new Runnable() {              @Override              public void run() {                  mSwipeRefreshWidget.setRefreshing(false);              }          };          @Override          public void onCreate(Bundle bundle) {              super.onCreate(bundle);              setContentView(R.layout.swipe_refresh_widget_sample);              mSwipeRefreshWidget = (SwipeRefreshLayout) findViewById(R.id.swipe_refresh_widget);              mSwipeRefreshWidget.setColorScheme(R.color.color1, R.color.color2, R.color.color3,                      R.color.color4);              mList = (ListView) findViewById(R.id.content);              ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this,                      android.R.layout.simple_list_item_1, android.R.id.text1, TITLES);              mList.setAdapter(arrayAdapter);              mSwipeRefreshWidget.setOnRefreshListener(this);              mSwipeRefreshWidget.setProgressViewEndTarget(false, 8);          }          @Override          public void onRefresh() {              refresh();          }          @Override          public boolean onCreateOptionsMenu(Menu menu) {              MenuInflater inflater = getMenuInflater();              inflater.inflate(R.menu.swipe_refresh_menu, menu);              return true;          }          /**          * Click handler for the menu item to force a refresh.          */          @Override          public boolean onOptionsItemSelected(MenuItem item) {              final int id = item.getItemId();              switch(id) {                  case R.id.force_refresh:                      mSwipeRefreshWidget.setRefreshing(true);                      refresh();                      return true;              }              return false;          }          private void refresh() {              mHandler.removeCallbacks(mRefreshDone);              mHandler.postDelayed(mRefreshDone, 1000);          }      }  

swipe_refresh_widget_sample.xml```xml <android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/swipe_refresh_widget"
android:layout_width="match_parent"
android:layout_height="match_parent" >

    <!-- some full screen pullable view that will be the offsetable content -->    <ListView          android:id="@+id/content"          android:layout_width="match_parent"          android:layout_height="match_parent" /></android.support.v4.widget.SwipeRefreshLayout>

```

相关栏目:

用户点评