我正在开发一个 Android 应用程序,我正在使用 .setAdapter 命令,并且在它下面出现了红色曲线。Eclipse 告诉我这一点。“ViewPager 类型中的方法 setAdapter(PagerAdapter) 不适用于参数 (Upperbody.MyPagerAdapter)”
具体就在这里;
myPager.setAdapter(adapter);
这是我的代码;
package com.example.gymbuddy;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
public class Upperbody extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_upperbody);
MyPagerAdapter adapter = new MyPagerAdapter();
ViewPager myPager = (ViewPager) findViewById(R.id.myfivepanelpager);
myPager.setAdapter(adapter);
myPager.setCurrentItem(2); }
public class MyPagerAdapter extends Activity {
public int getCount() {
return 9;
}
public Object instantiateItem(View collection, int position) {
LayoutInflater inflater = (LayoutInflater) collection.getContext()
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
int resId = 0;
switch (position) {
case 0:
resId = R.layout.upper0;
break;
case 1:
resId = R.layout.upper1;
break;
case 2:
resId = R.layout.upper2;
break;
case 3:
resId = R.layout.upper3;
break;
case 4:
resId = R.layout.upper4;
break;
case 5:
resId = R.layout.upper5;
break;
case 6:
resId = R.layout.upper6;
break;
case 7:
resId = R.layout.upper7;
break;
case 8:
resId = R.layout.upper8;
break; }
View view = inflater.inflate(resId, null);
((ViewPager) collection).addView(view, 0);
return view; }
public void destroyItem(View arg0, int arg1, Object arg2) {
((ViewPager) arg0).removeView((View) arg2); }
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == ((View) arg1); }
public Parcelable saveState() {
return null; }
}
}