在自定义页面适配器的片段中实现listview时出错。
错误导致三星的错误，所以我确实修改了我的操作栏（更改为标题）和标签页适配器作为自定义的。
如你所见，我没有implements actionbar.tablistener。
有错误消息：
java.lang.NoClassDefFoundError: zmnx.com.tripdocent.views.SpotListAdapter
at zmnx.com.tripdocent.views.FeaturedListFragment.onCreateView(FeaturedListFragment.java:49)
at android.support.v4.app.Fragment.performCreateView(Fragment.java:1786)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:947)
at
这次崩溃，我们只能在三星手机中看到它，如Note2（android 4.4.2）和Galaxy Nexus（android 4.2.1）。我的构建条件是Android Studio 1.0.0，SDK Build tools ver 21.1.2
我该如何解决？
并且有代码：
SpotActivity。class
public class SpotActivity extends FragmentActivity implements OnTabChangeListener, OnPageChangeListener {
public SharedPreferences settings;
ViewPager mViewPager;
private ListView mListView;
public static SpotInfo spotInfo;
public static List<SpotInfo> spotInfoList;
public static List<SpotInfo> nSpotInfoList;
public static List<SpotInfo> fSpotInfoList;
private RelativeLayout backLay;
SpotListAdapter mAdapter;
HandleJSON jsonHandler = null;
CityInfo cInfo = null;
String name = null;
String path = null;
String localName = null;
String type = null;
String hours = null;
String price = null;
String address = null;
String addressDetail = null;
String description = null;
Bitmap bitmapImg = null;
String tabString[] = null;
private TabHost mTabHost = null;
private TabPagerAdapter mPageAdapter = null;
private static final String STATE_SELECTED_NAVIGATION_ITEM = "selected_navigation_item";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.spotact_layout);
Intent intent = getIntent();
cInfo = (CityInfo) intent.getSerializableExtra("city");
Data.setCurrentCityInfo(cInfo);
name = cInfo.getCityName();
path = cInfo.getFilePath();
Data.setImgPath(path);
tabString = Constants.TAB_NAMES;
init();
initialiseTabHost();
mPageAdapter = new TabPagerAdapter(this, getSupportFragmentManager());
mViewPager = (ViewPager) findViewById(R.id.pager);
mViewPager.setAdapter(mPageAdapter);
mViewPager.setOnPageChangeListener(SpotActivity.this);
}
private static void AddTab(SpotActivity activity, TabHost tabHost, TabHost.TabSpec tabSpec) {
tabSpec.setContent(new TabFactory(activity));
tabHost.addTab(tabSpec);
}
private void init() {
getPref();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch(item.getItemId()) {
case android.R.id.home:
// ProjectsActivity is my 'home' activity
onBackPressed();
return true;
case R.id.action_account:
Intent i= new Intent(this, Accounts.class);
startActivity(i);
break;
default :
}
return super.onOptionsItemSelected(item);
}
@Override
public void onBackPressed() {
super.onBackPressed();
finish();
Intent intent = new Intent(SpotActivity.this, City.class);
intent.putExtra("city", cInfo);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
}
private void initialiseTabHost() {
mTabHost = (TabHost) findViewById(android.R.id.tabhost);
mTabHost.setup();
SpotActivity.AddTab(this, this.mTabHost, this.mTabHost.newTabSpec(" ").setIndicator(" "));
SpotActivity.AddTab(this, this.mTabHost, this.mTabHost.newTabSpec(" ").setIndicator(" "));
mTabHost.setOnTabChangedListener(this);
}
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
int pos = this.mViewPager.getCurrentItem();
this.mTabHost.setCurrentTab(pos);
}
@Override
public void onPageSelected(int position) {
}
@Override
public void onPageScrollStateChanged(int state) {
}
@Override
public void onTabChanged(String tabId) {
int pos = this.mTabHost.getCurrentTab();
this.mViewPager.setCurrentItem(pos);
}
}
TabPagerAdapter：
public class TabPagerAdapter extends FragmentPagerAdapter {
private final int NUM_ITEMS = 2;
private Context mContext;
public TabPagerAdapter(Context context, FragmentManager fm) {
super(fm);
this.mContext = context;
}
@Override
public Fragment getItem(int position) {
FeaturedListFragment featured = new FeaturedListFragment();
NearbyListFragment nearbyListFragment = new NearbyListFragment();
if (position == 0) {
return featured;
} else if (position == 1){
return nearbyListFragment;
} else {
throw new IllegalArgumentException("Invalid page position: " + position);
}
}
@Override
public int getCount() {
return NUM_ITEMS;
}
}
FeaturedListFragment：
public class FeaturedListFragment extends ListFragment {
public List<SpotInfo> spotList = null;
public static SpotListAdapter mAdapter = null;
public ListView mListView = null;
public static final String ARG_OBJECT = "object";
public String imgPath = null;
public FeaturedListFragment() {
spotList = Data.getSpotFeaturedInfo();
imgPath = Data.getImgPath();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.spot_list, container, false);
spotList = Data.getSpotFeaturedInfo();
imgPath = Data.getImgPath();
mListView = (ListView) view.findViewById(android.R.id.list);
mAdapter = new SpotListAdapter(getActivity().getBaseContext(),imgPath, spotList);
setListAdapter(mAdapter);
mAdapter.notifyDataSetChanged();
return view;
}
}
SpotListAdapter：
public class SpotListAdapter extends BaseAdapter {
Context context;
LayoutInflater inflater;
int cnt = 0;
private List<SpotInfo> spotList = null;
private ArrayList<SpotInfo> arrayList = null;
private String path = null;
public SpotListAdapter(Context context, String path, List<SpotInfo> spotList) {
this.context = context;
this.spotList = spotList;
this.path = path;
this.arrayList = new ArrayList<SpotInfo>();
this.arrayList.addAll(spotList);
inflater = LayoutInflater.from(context);
}
public class ViewHolder {
TextView spotName;
TextView dist;
TextView address;
ImageView img;
}
@Override
public int getCount() {
return spotList.size();
}
@Override
public Object getItem(int position) {
return spotList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
final ViewHolder holder;
if(convertView == null) {
holder = new ViewHolder();
convertView = inflater.inflate(R.layout.spot_row, null);
holder.img = (ImageView) convertView.findViewById(R.id.down_thumb_img);
holder.spotName = (TextView) convertView.findViewById(R.id.down_title_txt);
holder.address = (TextView) convertView.findViewById(R.id.loc_txt);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
FileTotal ft = new FileTotal();
String extStore = System.getenv("EXTERNAL_STORAGE");
String filePath = "/Download/" + path + "-v001/images/";
String imgCode = spotList.get(position).getCode() + ".jpg";
String fileName = extStore + filePath + imgCode ;
File f = new File(fileName);
boolean ex = ft.isFileExist(f);
if(ex) {
Bitmap bmp = decodeSampledBitmapFromFile(fileName, 180, 180);
Canvas canvas = new Canvas();
Bitmap mask = BitmapFactory.decodeResource(context.getResources(), R.drawable.list_thumbframe);
Bitmap tempResult = Bitmap.createScaledBitmap(mask, 180, 180, true);
mask.recycle();
Bitmap result = Bitmap.createBitmap(180, 180, Bitmap.Config.ARGB_8888);
canvas.setBitmap(result);
Paint paint = new Paint();
paint.setFilterBitmap(false);
canvas.drawBitmap(bmp, 0, 0, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_OUT));
canvas.drawBitmap(tempResult, 0, 0, paint);
paint.setXfermode(null);
holder.img.setImageBitmap(result);
holder.img.invalidate();
}
final String sName = spotList.get(position).getName();
final String descr = spotList.get(position).getDesc();
holder.spotName.setText(sName);
holder.address.setText(descr);
convertView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(context, SpotDetail.class);
SpotInfo spotInfo = new SpotInfo();
spotInfo = spotList.get(position);
intent.putExtra("spot", spotInfo);
intent.putExtra("path", path);
context.startActivity(intent);
}
});
return convertView;
}
public static Bitmap decodeSampledBitmapFromFile(String path, int reqWidth, int reqHeight)
{ // BEST QUALITY MATCH
//First decode with inJustDecodeBounds=true to check dimensions
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeFile(path, options);
// Calculate inSampleSize, Raw height and width of image
final int height = options.outHeight;
final int width = options.outWidth;
options.inPreferredConfig = Bitmap.Config.RGB_565;
int inSampleSize = 1;
if (height > reqHeight)
{
inSampleSize = Math.round((float)height / (float)reqHeight);
}
int expectedWidth = width / inSampleSize;
if (expectedWidth > reqWidth)
{
//if(Math.round((float)width / (float)reqWidth) > inSampleSize) // If bigger SampSize..
inSampleSize = Math.round((float)width / (float)reqWidth);
}
options.inSampleSize = inSampleSize;
// Decode bitmap with inSampleSize set
options.inJustDecodeBounds = false;
return BitmapFactory.decodeFile(path, options);
}
}