问题
首先,我的动作栏(带有自定义菜单(是紫色的,然后:
- trigger cab by longince thon My listView
- 更改电话方向
- 取消出租车
动作栏变为白色。如果没有电话导向改变,这不会发生。我已经在Android 4.4.4
,minSdkVersion="19"
,targetSdkVersion="26"
上尝试过。你能告诉我,为什么会发生这种情况?
更新:在API 25模拟器上尝试过,这不会发生。
来源
活动布局:
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="sk.tuke.smart.makac.activities.FreeShootingHistoryActivity">
<ListView
android:id="@+id/listview_freeshootinghistory"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:listitem="@android:layout/simple_list_item_activated_2" />
</android.support.constraint.ConstraintLayout>
switch_menu.xml
-经典动作栏:
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/item_switchmenu_label"
android:title="@string/switchmenu_colouring"
app:showAsAction="ifRoom" />
<item
android:id="@+id/item_switchmenu_switch"
android:title="@string/switchmenu_colouring"
app:actionViewClass="android.support.v7.widget.SwitchCompat"
app:showAsAction="always" />
</menu>
delete_menu.xml
-上下文动作栏:
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/item_deletemenu_delete"
android:icon="@drawable/ic_action_delete"
android:title="@string/deletemenu_delete" />
</menu>
在活动中初始化动作栏:
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.switch_menu, menu);
//...stuff...
return true;
}
在onCreate()
中设置CAB:
historyListView.setChoiceMode(AbsListView.CHOICE_MODE_MULTIPLE_MODAL);
historyListView.setMultiChoiceModeListener(choiceModeListener);
MultiChoiceModeListener
内部:
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
// Inflate the menu for the CAB
MenuInflater inflater = mode.getMenuInflater();
inflater.inflate(R.menu.delete_menu, menu);
//...stuff...
return true;
}
在 <application>
中,内部清单中此样式是从 styles.xml
设置的 android:theme="@style/AppTheme"
:
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">#8600b3</item>
<item name="colorPrimaryDark">#730099</item>
<item name="colorAccent">@color/colorPrimaryDark</item>
<item name="android:colorBackground">#bfc6f6</item>
<item name="android:textColorSecondary">@color/text_color_secondary</item>
</style>
</resources>
在棒棒糖上存在相同的问题,结果略有不同。在我的情况下,支撑 ActionBar
只是两边都变得更黑,小小的"阴影"。
以下黑客在所有API版本上都可以使用:
@Override
public void onDestroyActionMode(ActionMode mode) {
// Find the ActionBar view
final View view = findActionBarView(
mActivity.getWindow().getDecorView());
if (view != null) {
view.post(new Runnable() {
@Override
public void run() {
// Start view animation
view.animate().alpha(0f).setDuration(100);
}
});
}
}
public static ViewGroup findActionBarView(View view) {
try {
if (view instanceof ViewGroup) {
ViewGroup viewGroup = (ViewGroup) view;
// You can search for the Toolbar if necessary
if (viewGroup instanceof android.support.v7.widget.ActionBarContainer) {
for (int i = 0; i < viewGroup.getChildCount(); i++) {
View actionView = viewGroup.getChildAt(i);
// Return currently visible context bar
if (actionView.getVisibility() == View.VISIBLE) {
return (ViewGroup) actionView;
}
}
}
for (int i = 0; i < viewGroup.getChildCount(); i++) {
ViewGroup actionView =
getActionBarView(viewGroup.getChildAt(i));
if (actionView != null) {
return actionView;
}
}
}
} catch (Exception e) {
Log.e(TAG, "View not found", e);
}
return null;
}
P.S。基本上,您只需在ActionBar
视图上执行任何简单的动画即可。如果您在源代码中找到问题的根,或者可能更优雅地修复问题,请告诉我。