Android-未找到活动异常错误
我得到以下错误:Android-未找到活动异常错误,android,android-activity,activitynotfoundexception,Android,Android Activity,Activitynotfoundexception,我得到以下错误: android.content.ActivityNotFoundException: Unable to find explicit activity class {ie.ittralee.finalyeartest.finalyeartest/ie.ittralee.finalyeartest.finalyeartest.WiFiDirectActivity}; have you declared this activity in your AndroidManifest.x
android.content.ActivityNotFoundException: Unable to find explicit activity class {ie.ittralee.finalyeartest.finalyeartest/ie.ittralee.finalyeartest.finalyeartest.WiFiDirectActivity}; have you declared this activity in your AndroidManifest.xml?
现在我相信wifidirectivity应该在路径中的第一个“最终测试”之后。不知道为什么会有两个
WifiDirectActivity.java
import ie.ittralee.finalyeartest.finalyeartest.DeviceListFragment.DeviceActionListener;
import static ie.ittralee.finalyeartest.finalyeartest.R.id.frag_list;
public class WiFiDirectActivity extends Activity implements ChannelListener, DeviceActionListener {
public static final String TAG = "LightShare";
private WifiP2pManager manager;
private boolean isWifiP2pEnabled = false;
private boolean retryChannel = false;
private final IntentFilter intentFilter = new IntentFilter();
private Channel channel;
private BroadcastReceiver receiver = null;
/**
* @param isWifiP2pEnabled the isWifiP2pEnabled to set
*/
public void setIsWifiP2pEnabled(boolean isWifiP2pEnabled) {
this.isWifiP2pEnabled = isWifiP2pEnabled;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
...More code
如果您需要任何额外的代码,请告诉我。上面的课程下面只是一些Wifi连接的东西,不相关。希望不是
舱单:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="ie.ittralee.finalyeartest.finalyeartest">
<uses-sdk android:minSdkVersion="14" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<!-- Google Play filtering -->
<uses-feature android:name="android.hardware.wifi.direct" android:required="true"/>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="Light Share"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".ShareFilesActivity"></activity>
<!-- Used for transferring files after a successful connection -->
<service android:enabled="true" android:name=".FileTransferService" />
</application>
</manifest>
您是否在AndroidManifest.xml中声明了您的活动? 如下所示:
<activity android:name=".WiFiDirectActivity"
android:theme="@style/AppTheme.NoActionBar">
</activity>
将您的活动添加到清单中,如下所示:
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="Light Share"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".ShareFilesActivity"></activity>
<activity android:name=".WiFiDirectActivity">
<!-- Used for transferring files after a successful connection -->
<service android:enabled="true" android:name=".FileTransferService" />
</application>
修复程序只是将活动添加到我的清单中。完全绕过了这个
<activity android:name=".WiFiDirectActivity"></activity>
您是否在AndroidManifest.xml中声明了此活动?在上面添加了清单。在应用程序标记内添加
AndroidManifest可能重复的Yup刚刚在那里做过。它起作用了。完全绕过了这个。谢谢你的时间,伙计!我现在才明白。我显然没有。我现在就去做,看看能不能解决我的问题。2分钟