这是我今天早些时候提出的问题的后续问题。
我已经安装了兼容包并重新启动了 Eclipse。然后我使用 Blundell 的代码创建了一个这样的活动:
public class EntryActivitiy extends Activity
{
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.about);
int b = Integer.parseInt(Build.VERSION.SDK);
if (b >= Build.VERSION_CODES.HONEYCOMB)
{
Log.i(getString(R.string.app_name), "Found A Tablet Running Honeycomb or newer");
//nothing else in here yet
}
else
{
this.startActivity(new Intent(this, Main.class));
}
}
}
我的清单包含:
<uses-sdk android:minSdkVersion="8"
android:targetSdkVersion="11"/>
<supports-screens android:smallScreens="false"
android:normalScreens="true"
android:largeScreens="true"
android:xlargeScreens="true"/>
也
<activity android:name="EntryActivity"
android:label="@string/app_name"
android:noHistory="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
在项目设置中,我已将构建目标设置为 3.0,否则我将收到“HONEYCOMB 无法解析或不是字段”错误。
现在,如果我在 2.2 AVD 上运行它,应用程序会像这样崩溃:
05-27 14:13:54.270: ERROR/AndroidRuntime(329): FATAL EXCEPTION: main
05-27 14:13:54.270: ERROR/AndroidRuntime(329): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{/myPackage.EntryActivity}: java.lang.ClassNotFoundException: myPackage.EntryActivity in loader dalvik.system.PathClassLoader[/data/app/myPackage-1.apk]
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at android.os.Handler.dispatchMessage(Handler.java:99)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at android.os.Looper.loop(Looper.java:123)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at android.app.ActivityThread.main(ActivityThread.java:4627)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at java.lang.reflect.Method.invokeNative(Native Method)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at java.lang.reflect.Method.invoke(Method.java:521)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at dalvik.system.NativeStart.main(Native Method)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): Caused by: java.lang.ClassNotFoundException: myPackage.EntryActivity in loader dalvik.system.PathClassLoader[/data/app/myPackage-1.apk]
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at java.lang.ClassLoader.loadClass(ClassLoader.java:532)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577)
05-27 14:13:54.270: ERROR/AndroidRuntime(329): ... 11 more
如果在我的 2.3 手机上尝试过,但在 LogCat 中出现了一些奇怪的屏幕闪烁和“HDMI 断开连接”和其他非常奇怪的消息。不过,我不想重复它,所以我无法提供确切的信息。
我究竟做错了什么?
亲切的问候,水母
编辑:
我换回了我以前的主要活动,它工作得很好。此外,我将所有与 HC 相关的代码都注释掉了,它仍然会崩溃。我还尝试将另一个活动设置为主要活动,这也有效。:/