使用顶部和底部重力时,Android抽屉布局失败
我只是在玩最近包含在支持库中的新功能。我只实现了一个多抽屉的简单示例,当我使用“开始”和“结束”作为重力时,它就像一个符咒一样工作,但当尝试添加具有顶部或底部重力的抽屉时,它崩溃了 可用于从顶部和/或底部滑动抽屉吗 下面是我的活动和工作状态下的xml布局的完整代码;如果我试图改变这一点:使用顶部和底部重力时,Android抽屉布局失败,android,android-layout,Android,Android Layout,我只是在玩最近包含在支持库中的新功能。我只实现了一个多抽屉的简单示例,当我使用“开始”和“结束”作为重力时,它就像一个符咒一样工作,但当尝试添加具有顶部或底部重力的抽屉时,它崩溃了 可用于从顶部和/或底部滑动抽屉吗 下面是我的活动和工作状态下的xml布局的完整代码;如果我试图改变这一点: <ListView android:id="@+id/right_drawer" android:layout_width="240dp"
<ListView android:id="@+id/right_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="end"
android:choiceMode="singleChoice"
android:divider="@android:color/transparent"
android:dividerHeight="0dp"
android:background="#007799"/>
信息这一个:
this.drawer.openDrawer(Gravity.BOTTOM);
当我得到以下错误时:
05-16 05:22:33.981 1503-1503/es.luixal.test E/AndroidRuntime: FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to start activity ComponentInfo{es.luixal.test/es.luixal.test.MainActivity}: java.lang.IllegalArgumentException: View android.widget.RelativeLayout{42664c80 V.E..... ......I. 0,0-0,0} is not a sliding drawer
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
at android.app.ActivityThread.access$600(ActivityThread.java:141)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5039)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IllegalArgumentException: View android.widget.RelativeLayout{42664c80 V.E..... ......I. 0,0-0,0} is not a sliding drawer
at android.support.v4.widget.DrawerLayout.openDrawer(DrawerLayout.java:970)
at android.support.v4.widget.DrawerLayout.openDrawer(DrawerLayout.java:1003)
at es.luixal.test.MainActivity.onCreate(MainActivity.java:30)
at android.app.Activity.performCreate(Activity.java:5104)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
... 11 more
有什么线索说明为什么我不能用其他引力吗
谢谢
MainActivity.java
包es.luixal.test;
导入android.app.Activity;
导入android.os.Bundle;
导入android.support.v4.view.GravityCompat;
导入android.support.v4.widget.DrawerLayout;
导入android.view.Menu;
导入android.widget.ArrayAdapter;
导入android.widget.ListView;
公共类MainActivity扩展了活动{
私人抽屉;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//填写清单项目:
ListView ListView=(ListView)findViewById(R.id.left\u抽屉);
ArrayAdapter=new ArrayAdapter(这是android.R.layout.simple_list_item_1,新字符串[]){
“MenuItem 1”,
“MenuItem 2”,
“菜单项3”
});
setAdapter(适配器);
//
this.drawer=(DrawerLayout)findviewbyd(R.id.drawer\u布局);
this.drawer.openDrawer(GravityCompat.START);
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
//为菜单充气;这会将项目添加到操作栏(如果存在)。
getMenuInflater().充气(R.menu.main,menu);
返回true;
}
@凌驾
受保护的void onStart(){
super.onStart();
}
}
活动\u main.xml
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView android:id="@+id/text"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="Hi!"
/>
</RelativeLayout>
<ListView android:id="@+id/left_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:choiceMode="singleChoice"
android:divider="@android:color/transparent"
android:dividerHeight="0dp"
android:background="#44aa00"/>
<ListView android:id="@+id/right_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="end"
android:choiceMode="singleChoice"
android:divider="@android:color/transparent"
android:dividerHeight="0dp"
android:background="#007799"/>
</android.support.v4.widget.DrawerLayout>
Simon Vig Therkildsen的库可以作为标准的滑动菜单抽屉使用,但也支持顶部和底部抽屉。他的示例应用程序提供了如何使用上/下重力实现菜单的示例 我们最近在Umano应用程序中实现了此功能,并将其开源:
抽屉布局没有使用“底部”或“顶部”重力的官方参考- 公共空间开放抽屉(内部重力) 通过在视图外设置指定抽屉的动画将其打开 重力参数 Gravity.LEFT可移动左侧抽屉,Gravity.RIGHT可移动右侧抽屉。 也可以使用GravityCompat.START或GravityCompat.END
如果你想使用其他视觉效果-使用其他库我已经在@roman nurik关于抽屉布局的演示中询问了这一点,他指出:“不,绝对不打算与垂直重力一起使用”,所以我想尝试实现这一点毫无意义。有没有实现垂直抽屉的替代方案?也许你可以使用SlidingDrawer?看看哪种方法可以通过几行代码从任意一侧滑动。这似乎只支持从底部向上滑动,而不是像问题所问的那样从顶部向下滑动。
05-16 05:22:33.981 1503-1503/es.luixal.test E/AndroidRuntime: FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to start activity ComponentInfo{es.luixal.test/es.luixal.test.MainActivity}: java.lang.IllegalArgumentException: View android.widget.RelativeLayout{42664c80 V.E..... ......I. 0,0-0,0} is not a sliding drawer
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
at android.app.ActivityThread.access$600(ActivityThread.java:141)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5039)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IllegalArgumentException: View android.widget.RelativeLayout{42664c80 V.E..... ......I. 0,0-0,0} is not a sliding drawer
at android.support.v4.widget.DrawerLayout.openDrawer(DrawerLayout.java:970)
at android.support.v4.widget.DrawerLayout.openDrawer(DrawerLayout.java:1003)
at es.luixal.test.MainActivity.onCreate(MainActivity.java:30)
at android.app.Activity.performCreate(Activity.java:5104)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
... 11 more
package es.luixal.test;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.view.Menu;
import android.widget.ArrayAdapter;
import android.widget.ListView;
public class MainActivity extends Activity {
private DrawerLayout drawer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// filling list items:
ListView listView = (ListView)findViewById(R.id.left_drawer);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, new String[]{
"MenuItem 1",
"MenuItem 2",
"MenuItem 3"
});
listView.setAdapter(adapter);
//
this.drawer = (DrawerLayout)findViewById(R.id.drawer_layout);
this.drawer.openDrawer(GravityCompat.START);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
protected void onStart() {
super.onStart();
}
}
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView android:id="@+id/text"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="Hi!"
/>
</RelativeLayout>
<ListView android:id="@+id/left_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:choiceMode="singleChoice"
android:divider="@android:color/transparent"
android:dividerHeight="0dp"
android:background="#44aa00"/>
<ListView android:id="@+id/right_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="end"
android:choiceMode="singleChoice"
android:divider="@android:color/transparent"
android:dividerHeight="0dp"
android:background="#007799"/>
</android.support.v4.widget.DrawerLayout>