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我想在android studio中製作簡單的SlidingPanel。 我已經下載庫在SDK管理器(谷歌和支持),並通過添加以下行編輯文件的gradle:Android Studio支持庫SlidePanel
compile 'com.android.support:support-v4:18.0.0'
compile 'com.android.support:appcompat-v7:18.0.+'
利布斯在項目中可見。 我還添加了一個佈局:
<android.support.v4.widget.SlidingPaneLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/main_layout"
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=".MainActivity">
<include layout="@layout/fragment_menu_panel" android:layout_height="match_parent" android:layout_width="wrap_content"/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ff333333" >
<WebView
android:id="@+id/content_text"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<ProgressBar
android:id="@+id/progressBar1"
style="?android:attr/progressBarStyleLarge"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true" />
</RelativeLayout>
</android.support.v4.widget.SlidingPaneLayout>
它呈現在IDE很確定,但是當我試圖在設備上運行該應用程序,它具有以下錯誤崩潰:
10-22 14:54:03.633 11099-11099/com.example.myapplication2 E/AndroidRuntime﹕ FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.myapplication2/com.example.myapplication2.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "com.example.myapplication2.MainActivity" on path: DexPathList[[zip file "/data/app/com.example.myapplication2-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.example.myapplication2-1, /vendor/lib, /system/lib]]
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2137)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261)
at android.app.ActivityThread.access$600(ActivityThread.java:141)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5103)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.example.myapplication2.MainActivity" on path: DexPathList[[zip file "/data/app/com.example.myapplication2-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.example.myapplication2-1, /vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:53)
at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
at android.app.Instrumentation.newActivity(Instrumentation.java:1061)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2128)
這個問題,據我所知,庫沒有附加到apk。我該如何解決它?
它找不到'com.example.myapplication2.MainActivity'類,它說注意到對庫的引用。 「AndroidManifest.xml」文件中的條目是否與活動類的名稱匹配? –