我試圖創建和測試一個簡單的虛擬Android應用程序編寫的Scala沒有ProGuard步驟(useProguard:= false)。另一個「無法實例化活動ComponentInfo」與斯卡拉
我已經推動Scala庫到/system/framework
:
/system/framework/scala-library-2.9.1.jar
和許可文件/system/etc/permissions
:
/system/etc/permissions/scala-library-2.9.1.xml
權限的XML內容:
<?xml version="1.0" encoding="utf-8"?>
<permissions>
<library
name="scala-library-2.9.1"
file="/system/framework/scala-library-2.9.1.jar"
/>
</permissions>
這裏是我的MainActivity.scala
:
package com.google.summer
import _root_.android.app.Activity
import _root_.android.os.Bundle
import _root_.android.graphics.Typeface
import _root_.android.text.Html
class MainActivity extends Activity with TypedActivity {
override def onCreate(bundle: Bundle) {
super.onCreate(bundle)
setContentView(R.layout.main)
// my dummy code here
}
}
這裏是我的AndroidManifest.xml
:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.google.summer">
<application
android:icon="@drawable/android:star_big_on"
android:label="@string/app_name"
android:debuggable="true">
<activity android:label="@string/app_name" android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<uses-library android:name="scala-library-2.9.1" />
</application>
<uses-sdk android:minSdkVersion="10"/>
</manifest>
我設法我的設備上安裝它,而不使用ProGuard,但,當我嘗試運行它時,我得到以下exc主器件接收(捕獲使用logcat的):
dalvikvm I Zip is good, but no classes.dex inside, and no valid .odex file in the same directory
dalvikvm I Failed resolving Lcom/google/summer/TypedViewHolder; interface 48 'Lscala/ScalaObject;'
dalvikvm W Link of class 'Lcom/google/summer/TypedViewHolder;' failed
dalvikvm I Failed resolving Lcom/google/summer/TypedActivityHolder; interface 30 'Lcom/google/summer/TypedViewHolder;'
dalvikvm W Link of class 'Lcom/google/summer/TypedActivityHolder;' failed
dalvikvm I Failed resolving Lcom/google/summer/TypedActivity; interface 19 'Lcom/google/summer/TypedActivityHolder;'
dalvikvm W Link of class 'Lcom/google/summer/TypedActivity;' failed
dalvikvm I Failed resolving Lcom/google/summer/MainActivity; interface 18 'Lcom/google/summer/TypedActivity;'
dalvikvm W Link of class 'Lcom/google/summer/MainActivity;' failed
FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.google.summer/com.google.summer.MainActivity}: java.lang.ClassNotFoundException: com.google.summer.MainActivity in loader dalvik.system.PathClassLoader[/system/framework/scala-library-2.9.1.jar:/data/app/com.google.summer-1.apk]
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1680)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1784)
at android.app.ActivityThread.access$1500(ActivityThread.java:123)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:939)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:3835)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassNotFoundException: com.google.summer.MainActivity in loader dalvik.system.PathClassLoader[/system/framework/scala-library-2.9.1.jar:/data/app/com.google.summer-1.apk]
at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1672)
... 11 more
Force finishing activity com.google.summer/.MainActivity
有誰知道哪裏的錯誤可能和怎樣做才能解決這個問題?
在此先感謝:d
順便說一句,這可能是因爲有一個與Scala庫的問題,即被推?
Logcat說它找不到scala.ScalaObject
,但它存在於我推動的罐子裏。
它在模擬器中工作還是失敗呢? – 2012-07-26 09:46:34
好吧,既然我不能模擬器,也不能將Scala庫推向模擬器,那麼在那裏工作就沒有辦法了,但這甚至不是這個意圖。 – Lopina 2012-07-26 09:48:58
我看到我錯過了您將Scala添加爲應用程序的庫,而不是系統庫。它是否可以部署您創建的常規Java應用程序?你是否將應用程序安裝在你的SD卡上(似乎是那些有問題的)? – 2012-07-26 10:18:01