[英]java.lang.ClassCastException: android.widget.RelativeLayout$LayoutParams cannot be cast to android.support.v4.widget.DrawerLayout$LayoutParams
I have an app and I'm getting this error message. 我有一个应用程序,并且收到此错误消息。 When I run, it runs fine, but when I select an item o the navigation drawer I get the exception. 当我运行时,它运行良好,但是当我在导航抽屉中选择一个项目时,我得到了例外。 Here's my Error Log: 这是我的错误日志:
Process: com.example.henrique.testedrawer2, PID: 26739
java.lang.ClassCastException: android.widget.LinearLayout$LayoutParams cannot be cast to android.support.v4.widget.DrawerLayout$LayoutParams
at android.support.v4.widget.DrawerLayout.isDrawerView(DrawerLayout.java:1100)
at android.support.v4.widget.DrawerLayout.closeDrawer(DrawerLayout.java:1305)
at com.example.henrique.testedrawerKiron.MainActivity.selectItem(MainActivity.java:133)
at com.example.henrique.testedrawerKiron.MainActivity.access$100(MainActivity.java:26)
at com.example.henrique.testedrawerKiron.MainActivity$DrawerItemClickListener.onItemClick(MainActivity.java:96)
at android.widget.AdapterView.performItemClick(AdapterView.java:305)
at android.widget.AbsListView.performItemClick(AbsListView.java:1146)
at android.widget.AbsListView$PerformClick.run(AbsListView.java:3053)
at android.widget.AbsListView$3.run(AbsListView.java:3860)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Here's my activity_main layout: 这是我的activity_main布局:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_height="match_parent"
tools:context=".MainActivity">
<include layout="@layout/toolbar" />
<android.support.v4.widget.DrawerLayout
android:layout_width="match_parent"
android:id="@+id/drawerLayout"
android:layout_height="match_parent">
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="Teste"/>
<!-- navigation drawer -->
<RelativeLayout
android:layout_gravity="left|start"
android:layout_width="match_parent"
android:background="#fff"
android:layout_height="match_parent">
<ListView
android:id="@+id/left_drawer"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:divider="#eee"
android:background="#fff"
android:dividerHeight="1dp" />
</RelativeLayout>
</android.support.v4.widget.DrawerLayout>
</LinearLayout>
Here's my activity_entidade layout that it's called when I click a list item(this is acctually a fragment): 这是我单击列表项时调用的activity_entidade布局(这实际上是一个片段):
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context="com.example.henrique.testedrawerKiron.EntidadeActivity">
<ListView
android:id="@+id/listaentidades"
android:layout_width="match_parent"
android:layout_height="wrap_content"
/>
</LinearLayout>
I think you are closing wrong layout in your code. 我认为您正在关闭代码中的错误布局。
Look here at my answer: ClassCastException : java.lang.ClassCastException: android.widget.LinearLayout$LayoutParams cannot be cast to android.support.v4.widget.DrawerLayout 在这里查看我的答案: ClassCastException:java.lang.ClassCastException:android.widget.LinearLayout $ LayoutParams无法转换为android.support.v4.widget.DrawerLayout
Just use your DrawerLayout
to close himself or use closeDrawers()
on your DrawerLayout
object; 只需使用DrawerLayout
关闭自己或在DrawerLayout
对象上使用closeDrawers()
DrawerLayout
;
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