程序里总是会报这个错,google了一下,有人说是import R,但是仔细查也没有这行代码,不知道是什么问题求助
package test.contentpickertester;import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Contacts.People;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;public class ContentPickerTester extends Activity {
/** Called when the activity is first created. */
public static final int PICK_CONTACT = 1;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.contentpickertester);
Button button = (Button)findViewById(R.id.pick_contact_button);
button.setOnClickListener(new OnClickListener(){
public void onClick(View _view){
Intent intent = new Intent(Intent.ACTION_PICK,
Uri.parse("content://contacts/"));
startActivityForResult(intent,PICK_CONTACT);
}
});
}
@Override
public void onActivityResult(int reqCode,int resCode,Intent data){
super.onActivityResult(resCode,resCode,data);
switch (reqCode){
case(PICK_CONTACT):{
if(resCode == Activity.RESULT_OK){
Uri contactData = data.getData();
Cursor c = managedQuery(contactData,null,null,null,null);
c.moveToFirst();
String name;
name = c.getString(c.getColumnIndexOrThrow(People.NAME));
TextView tv;
tv = (TextView)findViewById(R.id.selected.contact.textview);
tv.setText(name);
}
break;
}
}
}
}
package test.contentpickertester;import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Contacts.People;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;public class ContentPickerTester extends Activity {
/** Called when the activity is first created. */
public static final int PICK_CONTACT = 1;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.contentpickertester);
Button button = (Button)findViewById(R.id.pick_contact_button);
button.setOnClickListener(new OnClickListener(){
public void onClick(View _view){
Intent intent = new Intent(Intent.ACTION_PICK,
Uri.parse("content://contacts/"));
startActivityForResult(intent,PICK_CONTACT);
}
});
}
@Override
public void onActivityResult(int reqCode,int resCode,Intent data){
super.onActivityResult(resCode,resCode,data);
switch (reqCode){
case(PICK_CONTACT):{
if(resCode == Activity.RESULT_OK){
Uri contactData = data.getData();
Cursor c = managedQuery(contactData,null,null,null,null);
c.moveToFirst();
String name;
name = c.getString(c.getColumnIndexOrThrow(People.NAME));
TextView tv;
tv = (TextView)findViewById(R.id.selected.contact.textview);
tv.setText(name);
}
break;
}
}
}
}
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