java的android.support.v4.widget.DrawerLayout未找到 [英] java android.support.v4.widget.DrawerLayout not being found

问题描述

android.support.v4.widget.DrawerLayout; 未发现我的手机时，我测试的应用程序。为什么会出现这种情况，如何解决呢？

我不知道，但是我想我可能有同样的问题与 android.support.v4.view.GravityCompat; 和 android.support.v4.app.ActionBarDrawerToggle; 如果他们这样做造成的任何问题。

我从来没有与 android.support.v4任何问题。*; 之前，但现在它不工作。 我有android.support.v4 LIB（5月一个）。

编辑：更好的错误消息

我的错误

  05-27 19：46：21.230：E / JDWP（11659）：无法发送回复调试：中断的管道
05-27 19：46：21.290：W / dalvikvm（11659）：VFY：无法解析虚方法30：Landroid /支持/ V4 /空间/ DrawerLayout; .closeDrawer（Landroid /视图/视图;）V
05-27 19：46：21.290：W / dalvikvm（11659）：VFY：无法解析虚方法27：Landroid /支持/ V4 / APP / ActionBarDrawerToggle; .onConfigurationChanged（Landroid /内容/ RES /配置;）V
05-27 19：46：21.290：E / dalvikvm（11659）：找不到类的android.support.v4.widget.DrawerLayout，从法com.MainActivity.onCreate引用
05-27 19：46：21.290：W / dalvikvm（11659）：VFY：无法解决入住投16（Landroid /支持/ V4 /空间/ DrawerLayout;）在LCOM / MainActivity;
05-27 19：46：21.290：W / dalvikvm（11659）：VFY：无法解析虚方法28：Landroid /支持/ V4 / APP / ActionBarDrawerToggle; .onOptionsItemSelected（Landroid /查看/菜单项;）z
05-27 19：46：21.290：W / dalvikvm（11659）：VFY：无法解析虚方法29：Landroid /支持/ V4 / APP / ActionBarDrawerToggle; .syncState（）V
05-27 19：46：21.290：W / dalvikvm（11659）：VFY：无法解析虚方法31：Landroid /支持/ V4 /空间/ DrawerLayout; .isDrawerOpen（Landroid /视图/视图;）z
05-27 19：46：21.290：W / dalvikvm（11659）：无法解析的超LCOM / MainActivity $ 1; （14）
05-27 19：46：21.290：W / dalvikvm（11659）：类的链接LCOM / MainActivity $ 1;'失败
05-27 19：46：21.340：W / dalvikvm（11659）：主题ID = 1：螺纹退出与未捕获的异常（组= 0x40bc71f8）
05-27 19：16：42.404：E / dalvikvm（10623）：找不到类的android.support.v4.widget.DrawerLayout，从法com.MainActivity.onCreate引用
05-27 19：16：42.464：E / AndroidRuntime（10623）：致命异常：主要
05-27 19：16：42.464：E / AndroidRuntime（10623）：java.lang.RuntimeException的：无法启动的活动ComponentInfo {com.MainActivity}：android.view.InflateException：二进制XML文件中的行＃3：错误充气类的android .support.v4.widget.DrawerLayout
 

解决方案

如果您最近更新ADT的库构建路径可能已经搞砸了。请尝试以下操作：

1. 右键单击项目
2. 生成的路径的 - >的配置构建路径的
3. 标签：订单和出口的
4. 确保您的的Andr​​oid 和 Android的依赖的库检查
5. 在清洁和放大器;建立你的项目

在我过去的ADT更新所有的人都成了泛滥，我也有类似的错误。

android.support.v4.widget.DrawerLayout; is not being found on my phone when I test the app. why is this happening and how do I fix it?

I don't know yet but I think I may be having the same problem with android.support.v4.view.GravityCompat; and android.support.v4.app.ActionBarDrawerToggle; if they do cause any problems.

I have never had any problems with android.support.v4.*; before but now it's not working. I have android.support.v4 lib (the may one).

Edit: better error message

my error

05-27 19:46:21.230: E/jdwp(11659): Failed sending reply to debugger: Broken pipe
05-27 19:46:21.290: W/dalvikvm(11659): VFY: unable to resolve virtual method 30: Landroid/support/v4/widget/DrawerLayout;.closeDrawer (Landroid/view/View;)V
05-27 19:46:21.290: W/dalvikvm(11659): VFY: unable to resolve virtual method 27: Landroid/support/v4/app/ActionBarDrawerToggle;.onConfigurationChanged (Landroid/content/res/Configuration;)V
05-27 19:46:21.290: E/dalvikvm(11659): Could not find class 'android.support.v4.widget.DrawerLayout', referenced from method com.MainActivity.onCreate
05-27 19:46:21.290: W/dalvikvm(11659): VFY: unable to resolve check-cast 16 (Landroid/support/v4/widget/DrawerLayout;) in Lcom/MainActivity;
05-27 19:46:21.290: W/dalvikvm(11659): VFY: unable to resolve virtual method 28: Landroid/support/v4/app/ActionBarDrawerToggle;.onOptionsItemSelected (Landroid/view/MenuItem;)Z
05-27 19:46:21.290: W/dalvikvm(11659): VFY: unable to resolve virtual method 29: Landroid/support/v4/app/ActionBarDrawerToggle;.syncState ()V
05-27 19:46:21.290: W/dalvikvm(11659): VFY: unable to resolve virtual method 31: Landroid/support/v4/widget/DrawerLayout;.isDrawerOpen (Landroid/view/View;)Z
05-27 19:46:21.290: W/dalvikvm(11659): Unable to resolve superclass of Lcom/MainActivity$1; (14)
05-27 19:46:21.290: W/dalvikvm(11659): Link of class 'Lcom/MainActivity$1;' failed
05-27 19:46:21.340: W/dalvikvm(11659): threadid=1: thread exiting with uncaught exception (group=0x40bc71f8)
05-27 19:16:42.404: E/dalvikvm(10623): Could not find class 'android.support.v4.widget.DrawerLayout', referenced from method com.MainActivity.onCreate
05-27 19:16:42.464: E/AndroidRuntime(10623): FATAL EXCEPTION: main
05-27 19:16:42.464: E/AndroidRuntime(10623): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.MainActivity}: android.view.InflateException: Binary XML file line #3: Error inflating class android.support.v4.widget.DrawerLayout

解决方案

If you recently updated your ADT your Library Build Paths might have been messed up. Try the following:

1. Right click on Project
2. Build Path -> Configure Build Path
3. Tab: Order and Export
4. Make sure your Android and Android Dependencies libraries are checked
5. Clean & Build your Project

During my last ADT update all of them became unchecked and I had similar errors.

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