Tom*_*mas 56 android swiperefreshlayout android-collapsingtoolbarlayout
我一起使用CollapsingToolbarLayout,RecyclerView和SwipeRefreshLayout:
XML:
<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<android.support.design.widget.CoordinatorLayout
android:id="@+id/coordinator_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="@dimen/collapse_toolbar_height"
android:fitsSystemWindows="true"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:contentScrim="?attr/colorPrimary"
android:fitsSystemWindows="true"
app:expandedTitleMarginStart="48dp"
app:expandedTitleMarginEnd="64dp"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<ImageView
android:id="@+id/toolbar_image"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:fitsSystemWindows="true"
app:layout_collapseMode="parallax" />
<include
layout="@layout/activity_main_toolbar"/>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/swipe_container"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<cz.yetanotherview.webcamviewer.app.helper.EmptyRecyclerView
android:id="@+id/mainList"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scrollbars="vertical" />
</android.support.v4.widget.SwipeRefreshLayout>
<android.support.design.widget.FloatingActionButton
android:id="@+id/floating_action_button"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
app:layout_anchor="@id/appbar"
app:layout_anchorGravity="bottom|right|end"
android:layout_margin="16dp"
app:fabSize="mini"
android:src="@drawable/ic_action_edit"
android:onClick="assignSelectedWebCamsToCategory"/>
<com.github.clans.fab.FloatingActionMenu
android:id="@+id/floating_action_menu"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="bottom|end"
android:paddingRight="10dp"
android:paddingBottom="8dp"
android:paddingLeft="10dp"
fab:menu_shadowColor="#37000000"
fab:menu_colorNormal="#DA4336"
fab:menu_colorPressed="#E75043"
fab:menu_colorRipple="#99FFFFFF"
fab:menu_icon="@drawable/fab_add"
fab:menu_buttonSpacing="10dp"
fab:menu_labels_textColor="@color/very_dark_grey"
fab:menu_labels_textSize="14sp"
fab:menu_labels_colorNormal="@color/white"
fab:menu_labels_colorPressed="@color/next_grey"
fab:menu_labels_colorRipple="#99FFFFFF"
fab:menu_labels_margin="8dp"
fab:menu_backgroundColor="@color/black_transparent">
<com.github.clans.fab.FloatingActionButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_action_content_import"
fab:fab_size="mini"
fab:fab_label="@string/pref_import_from_server"
fab:fab_colorNormal="@color/white"
app:fab_colorPressed="@color/next_grey"
app:fab_colorRipple="#99FFFFFF"
android:onClick="showSelectionDialog"/>
<com.github.clans.fab.FloatingActionButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_action_content_manually"
fab:fab_size="mini"
fab:fab_label="@string/create_manually"
fab:fab_colorNormal="@color/white"
app:fab_colorPressed="@color/next_grey"
app:fab_colorRipple="#99FFFFFF"
android:onClick="showAddDialog"/>
<com.github.clans.fab.FloatingActionButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_action_content_suggestion"
fab:fab_size="mini"
fab:fab_label="@string/submit_suggestion"
fab:fab_colorNormal="@color/white"
app:fab_colorPressed="@color/next_grey"
app:fab_colorRipple="#99FFFFFF"
android:onClick="showSuggestionDialog"/>
</com.github.clans.fab.FloatingActionMenu>
</android.support.design.widget.CoordinatorLayout>
<include
layout="@layout/activity_main_drawer"/>
</android.support.v4.widget.DrawerLayout>
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码:
swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_container);
swipeRefreshLayout.setOnRefreshListener(this);
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仅当完全展开折叠工具栏布局并在顶部滚动视图(recyclerview)时,如何允许滑动刷新操作?与Google+或收件箱应用程序类似的行为.
错误:

好:

bla*_*kcj 93
更新:此问题已在最新版本的支持库(23.1.1+)中得到解决.如果您使用的是旧版本的支持库,请升级或继续阅读.
如果您使用的是旧版本的支持库,请向AppBarLayout添加偏移更改侦听器,以启用或禁用滑动以相应地刷新布局.其他代码可在此处获得
https://gist.github.com/blackcj/001a90c7775765ad5212
相关变化:
public class MainActivity extends AppCompatActivity implements AppBarLayout.OnOffsetChangedListener {
...
private AppBarLayout appBarLayout;
private SwipeRefreshLayout mSwipeRefreshLayout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
...
mSwipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.contentView);
appBarLayout = (AppBarLayout) findViewById(R.id.appBarLayout);
}
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int i) {
//The Refresh must be only active when the offset is zero :
mSwipeRefreshLayout.setEnabled(i == 0);
}
@Override
protected void onResume() {
super.onResume();
appBarLayout.addOnOffsetChangedListener(this);
}
@Override
protected void onPause() {
super.onPause();
appBarLayout.removeOnOffsetChangedListener(this);
}
}
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Tom*_*mas 25
最后,
我发现SwipeRefreshLayout 在支持库版本23.1.1中没有任何"黑客"的情况下工作.
只需在您的布局中使用:
<android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/swipe_refresh_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<android.support.v7.widget.RecyclerView
android:id="@+id/recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scrollbars="vertical" />
</android.support.v4.widget.SwipeRefreshLayout>
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并在代码中:
SwipeRefreshLayout swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refresh_layout);
swipeRefreshLayout.setColorSchemeResources(R.color.green, R.color.red, R.color.yellow);
swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
//Your refresh code here
}
});
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别忘了使用:
swipeRefreshLayout.setRefreshing(false);
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使用你的代码逻辑后;)
hko*_*kop 11
如果我理解正确,您只想在扩展工具栏后才开始刷新,对吧?因此首先需要打开CollapsingToolbarLayout,然后开始刷新.我通过以下代码管理它:
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/coordinator_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="@+id/app_bar_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fitsSystemWindows="true"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fitsSystemWindows="true"
app:layout_scrollFlags="scroll|enterAlways|enterAlwaysCollapsed">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<!--PUT HERE WHAT EVER YOU WANT TO COLLAPSE, A TOOLBAR, ETC...-->
</LinearLayout>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/swipe_refresh_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<android.support.v7.widget.RecyclerView
android:id="@+id/recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:fadeScrollbars="false"
android:scrollbars="vertical"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
</android.support.v4.widget.SwipeRefreshLayout>
</android.support.design.widget.CoordinatorLayout>
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然后,在您的片段/活动中,使其实现AppBarLayout.OnOffsetChangedListener(现在,当工具栏完全展开时,将启用刷新):
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if (collapsingToolbarLayout.getHeight() + verticalOffset < 2 * ViewCompat.getMinimumHeight(collapsingToolbarLayout)) {
swipeRefreshLayout.setEnabled(false);
} else {
swipeRefreshLayout.setEnabled(true);
}
}
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像在@blackcj中一样覆盖onPause()和onResume():
@Override
public void onResume() {
super.onResume();
appBarLayout.addOnOffsetChangedListener(this);
}
@Override
public void onPause() {
super.onPause();
appBarLayout.removeOnOffsetChangedListener(this);
}
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然后将LinearLayoutManager设置为recyclerView:
LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
recyclerView.setLayoutManager(layoutManager);
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对我而言,这是一个魅力,第一个appBarlayout得到扩展,只有swipeRefreshLayout触发刷新.
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