主活动不可分配android.app.Activity错误
我对Android开发非常陌生。我在运行我的应用程序时遇到问题。我想用广播接收器为来电通知干杯。但是我从清单com.sortinousn.Salesforce.calltracker中得到这个错误,它不可分配给android.app.Activity AndroidManifest.xml主活动不可分配android.app.Activity错误,android,android-studio,android-activity,android-manifest,Android,Android Studio,Android Activity,Android Manifest,我对Android开发非常陌生。我在运行我的应用程序时遇到问题。我想用广播接收器为来电通知干杯。但是我从清单com.sortinousn.Salesforce.calltracker中得到这个错误,它不可分配给android.app.Activity AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.sortinousn.salesforcecalltracker"
android:versionCode="1"
android:versionName="1.0" >
<application
android:allowBackup="true"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.sortinousn.salesforcecalltracker.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<receiver android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.PHONE_STATE" />
</intent-filter>
</receiver>
</application>
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<uses-permission android:name="android.permission.READ_PHONE_STATE"></uses- permission>
</manifest>
您不能为活动声明接收者,您必须在活动外部创建接收者,并在MainActivity中回调此接收者。我真的不明白您为什么将
MainActivity
类作为活动
和接收者
…这两个是不同的
正如我在代码中看到的,您没有任何活动,因为您在MainActivity类中扩展了BroadcastReceiver
,所以…只需通过使用activity
(或其他)扩展另一个类来创建一个真正的活动,并在清单中声明该类为活动,就像这样:activity
:
package fr.zwedge.kingwarrior;
import android.app.*;
import android.os.Bundle;
public class Main extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// Tell me if I'm wrong for what's above
BroadcastReceiver receiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
try {
// TELEPHONY MANAGER class object to register one listner
TelephonyManager tmgr = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
//Create Listner
MyPhoneStateListener PhoneListener = new MyPhoneStateListener();
// Register listener for LISTEN_CALL_STATE
tmgr.listen(PhoneListener, PhoneStateListener.LISTEN_CALL_STATE);
} catch (Exception e) {
Log.e("Phone Receive Error", " " + e);
}
}
}
}
public /* can't be private here */ class MyPhoneStateListener extends PhoneStateListener {
public void onCallStateChanged(int state, String incomingNumber) {
Log.d("MyPhoneListener",state+" incoming no:"+incomingNumber);
if (state == 1) {
String msg = "New Phone Call Event. Incomming Number : "+incomingNumber;
int duration = Toast.LENGTH_LONG;
Toast toast = Toast.makeText(pcontext, msg, duration);
toast.show();
}
}
}
清单
:
<application android:allowBackup="true"
android:label="King Warrior"
android:icon="@drawable/ic_launch">
<activity android:name=".Main"
android:label="What you want"
android:icon="@drawable/ic_launch">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
希望有帮助,
黑球60
==================================
或者,如果您不希望应用程序有任何界面,您可以删除清单中的
标记。您必须在清单中添加所有活动。如果我没有错,您没有在清单中添加calltracker活动。请确认main活动
是一个接收者,因此您不能在
标记的android:name
属性中声明它
<application android:allowBackup="true"
android:label="King Warrior"
android:icon="@drawable/ic_launch">
<activity android:name=".Main"
android:label="What you want"
android:icon="@drawable/ic_launch">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>