"MAIN CANNOT RESOLOVED OR NOT IN A FIELD" It gives error in mainactivity at setcontentview "main cannot be resolved or not in field.
This is my code plz help me as i got tired to find a way out plz reomove this error "this is my mainactivity"
package com.exampl.goglemaps;
import android.os.Bundle;
import com.exampl.goglemaps.R;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapView;
public class MainActivity extends MapActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//fetch the map view from the layout
MapView mapView = (MapView) findViewById(R.id.mapview);
//make available zoom controls
mapView.setBuiltInZoomControls(true);
}
@Override
protected boolean isRouteDisplayed() {
return false;
}
}
my manfiestfile
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.exampl.goglemaps"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="14" />
<uses-permission android:name="android.permission.INTERNET"/>
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name=".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>
<uses-library android:name="com.google.android.maps" />
</application>
</manifest>
and that is my xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<com.google.android.maps.MapView
android:id="@+id/mapview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:apiKey="Your Google Maps API key"
android:clickable="true" />
</LinearLayout>
this call a error in mainactivity in setContentView(R.layout.main); saying that "main cannot not be resoloved or in not a field" i have searched almost every foroum but failed to get through this, plz help me out to solve this error.
THANKs in Advance
我认为您应该使用R.layout.MainActivity
代替R.layout.main
。
您还可以尝试使用activity_main,这是在您使用eclipse创建应用程序时发生的,您将活动名称保留为activity_main(通常有些人不会更改),并且很少有人按照约定进行更改。
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