Java 找不到显式活动类{};您是否在AndroidManifest.xml中声明了此活动
我正在尝试在后台解压一些文件,所以我使用了IntentService,就像谷歌的教程一样。我的服务类在AndroidManifest中声明如下:Java 找不到显式活动类{};您是否在AndroidManifest.xml中声明了此活动,java,android,android-manifest,android-intentservice,Java,Android,Android Manifest,Android Intentservice,我正在尝试在后台解压一些文件,所以我使用了IntentService,就像谷歌的教程一样。我的服务类在AndroidManifest中声明如下: <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="org.osmdroid"> <uses-sdk android:minSdkVersion="16" android:targetSdkVersion="21"
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="org.osmdroid">
<uses-sdk
android:minSdkVersion="16"
android:targetSdkVersion="21" />
<application
android:configChanges="orientation|screenSize|keyboardHidden"
android:hardwareAccelerated="true"
android:icon="@drawable/ecn_icon"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MapActivity"
android:icon="@drawable/ecn_icon"
android:label="test" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".SettingsActivity"
android:label="@string/title_activity_settings">
</activity>
<service
android:name=".UnZipService"
android:exported="false"/>
</application>
这里的服务:
public class UnZipService extends IntentService {
public UnZipService() {
super("UnZipService");
}
@Override
protected void onHandleIntent(Intent workIntent) {
String dataString = workIntent.getDataString();
Log.v("IntentURI", dataString);
Toast.makeText(this, "Installing....", Toast.LENGTH_SHORT).show();
}
它应该只是为了测试而显示toast,但我总是得到一个错误:
01-29 19:08:25.740 15521-15521/org.osmdroid E/AndroidRuntime﹕ FATAL EXCEPTION: main
java.lang.RuntimeException: Error receiving broadcast Intent { act=android.intent.action.DOWNLOAD_COMPLETE flg=0x10 pkg=org.osmdroid (has extras) } in org.osmdroid.SettingsActivity$1@21292650
at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:768)
at android.os.Handler.handleCallback(Handler.java:725)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:150)
at android.app.ActivityThread.main(ActivityThread.java:5147)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.content.ActivityNotFoundException: Unable to find explicit activity class {org.osmdroid/org.osmdroid.UnZipService}; have you declared this activity in your AndroidManifest.xml?
at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1618)
at android.app.Instrumentation.execStartActivity(Instrumentation.java:1417)
at android.app.Activity.startActivityForResult(Activity.java:3404)
at android.app.Activity.startActivityForResult(Activity.java:3365)
at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:817)
at android.app.Activity.startActivity(Activity.java:3600)
at android.app.Activity.startActivity(Activity.java:3568)
at org.osmdroid.SettingsActivity$1.onReceive(SettingsActivity.java:148)
at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:758)
at android.os.Handler.handleCallback(Handler.java:725)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:150)
at android.app.ActivityThread.main(ActivityThread.java:5147)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
at dalvik.system.NativeStart.main(Native Method)
两个(类和活动)都位于同一文件夹(org.osmdroid)中。看起来路径还可以,但问题出现了,我没有更多的想法…您正在将服务作为一项活动启动 改变
Intent mServiceIntent = new Intent(context, UnZipService.class);
mServiceIntent.setData(Uri.parse(savedFilePath));
startActivity(mServiceIntent);
到
请在您的AndroidManifest.xml中声明此活动您是否按照错误指示执行了操作并将其添加到您的清单中?
UnZipService
是一项服务,而不是一项活动。将其作为服务启动。请看我的回答上帝。。。花这么多时间,因为这个打字错误!谢谢!
Intent mServiceIntent = new Intent(context, UnZipService.class);
mServiceIntent.setData(Uri.parse(savedFilePath));
startActivity(mServiceIntent);
Intent mServiceIntent = new Intent(context, UnZipService.class);
mServiceIntent.setData(Uri.parse(savedFilePath));
startService(mServiceIntent); // Only this line is changed