我想从错误开始，这是以下
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.user.myapplication11, PID: 16351
android.content.res.Resources$NotFoundException: String resource ID #0x67b
at android.content.res.Resources.getText(Resources.java:354)
at android.widget.TextView.setText(TextView.java:4465)
at com.example.roman.myapplication11.MyFragment$MyAdapter.onBindViewHolder(MyFragment.java:156)
at com.example.roman.myapplication11.MyFragment$MyAdapter.onBindViewHolder(MyFragment.java:138)
at android.support.v7.widget.RecyclerView$Adapter.onBindViewHolder(RecyclerView.java:6673)
at android.support.v7.widget.RecyclerView$Adapter.bindViewHolder(RecyclerView.java:6714)
at android.support.v7.widget.RecyclerView$Recycler.tryBindViewHolderByDeadline(RecyclerView.java:5647)
at android.support.v7.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:5913)
at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5752)
at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5748)
at android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2232)
at android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1559)
at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1519)
at android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:614)
at android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3812)
at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3529)
at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:4082)
at android.view.View.layout(View.java:16958)
at android.view.ViewGroup.layout(ViewGroup.java:5587)
at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1189)
at android.view.View.layout(View.java:16958)
at android.view.ViewGroup.layout(ViewGroup.java:5587)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:396)
at android.widget.FrameLayout.onLayout(FrameLayout.java:333)
at android.view.View.layout(View.java:16958)
at android.view.ViewGroup.layout(ViewGroup.java:5587)
at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1189)
at android.view.View.layout(View.java:16958)
at android.view.ViewGroup.layout(ViewGroup.java:5587)
at android.support.design.widget.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:132)
at android.support.design.widget.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:42)
at android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:1361)
at android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:894)
at android.view.View.layout(View.java:16958)
at android.view.ViewGroup.layout(ViewGroup.java:5587)
at android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:1171)
at android.view.View.layout(View.java:16958)
at android.view.ViewGroup.layout(ViewGroup.java:5587)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:396)
at android.widget.FrameLayout.onLayout(FrameLayout.java:333)
at android.view.View.layout(View.java:16958)
at android.view.ViewGroup.layout(ViewGroup.java:5587)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:2001)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1844)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1753)
at android.view.View.layout(View.java:16958)
at android.view.ViewGroup.layout(ViewGroup.java:5587)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:396)
at android.widget.FrameLayout.onLayout(FrameLayout.java:333)
at android.view.View.layout(View.java:16958)
at android.view.ViewGroup.layout(ViewGroup.java:5587)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:2001)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1844)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1753
#row 138
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder>
#row 156
holder.vId.setText( mac.getId() );
MyFragment.java
public class MyFragment extends Fragment {
private RecyclerView recyclerView;
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_m, container, false);
recyclerView = view.findViewById(R.id.recyclerView_m);
return view;
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
asyncRun();
}
public void asyncRun(){
new MyAsyncTask().execute();
}
@SuppressLint("StaticFieldLeak")
public class MyAsyncTask extends AsyncTask<Void, Void, String> {
ProgressBar progressBar;
String forecastJsonStr = null;
@Override
protected void onPreExecute() {
super.onPreExecute();
RelativeLayout layout = Objects.requireNonNull(getActivity()).findViewById(R.id.fram_m);
progressBar = new ProgressBar(getContext(),null, android.R.attr.progressBarStyleLarge);
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(100,100);
params.addRule(RelativeLayout.CENTER_IN_PARENT);
layout.addView(progressBar,params);
getActivity().getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE,WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
progressBar.setVisibility(View.VISIBLE);
}
@Override
protected String doInBackground(Void... voids) {
forecastJsonStr = Utility.executeActionOnServer(Utility.Ambiti.FOLDERS.toString(), "getData", "User=admin5");
return forecastJsonStr;
}
protected void onPostExecute(String s) {
super.onPostExecute(s);
Objects.requireNonNull(getActivity()).getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
progressBar.setVisibility(View.GONE);
prepareList( new JsonParser().parse(s).getAsJsonObject() );
recyclerView = getActivity().findViewById(R.id.recyclerView_m);
recyclerView.setHasFixedSize(true);
RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(getActivity().getApplicationContext());
recyclerView.setLayoutManager(layoutManager);
recyclerView.setAdapter( new MyAdapter(getContext(), Utility.machines) );
}
}
private void prepareList(JsonObject rootObject) {
String titleSede = rootObject.get("Title").getAsString();
double lat = rootObject.get("Lat").getAsDouble();
double lon = rootObject.get("Lon").getAsDouble();
JsonArray data = rootObject.getAsJsonArray("data");
for (JsonElement pa : data) {
ArrayList<MyClass> list = new ArrayList<>();
JsonObject jsonObject = pa.getAsJsonObject();
int id = jsonObject.get("id").getAsInt();
int folderId = jsonObject.get("FolderId").getAsInt();
int parentFolderId = jsonObject.get("ParentFolderId").getAsInt();
String title = jsonObject.get("Title").getAsString();
String description = jsonObject.get("Description").getAsString();
JsonArray data2 = jsonObject.getAsJsonArray("data");
for (JsonElement pa2 : data2) {
JsonObject jsonObject2 = pa2.getAsJsonObject();
int id2 = jsonObject2.get("id").getAsInt();
String title2 = jsonObject2.get("Title").getAsString();
String description2 = jsonObject2.get("Description").getAsString();
list.add( new MyClass(id2, title2, description2) );
}
Utility.list.add( new MyClass(id, folderId, parentFolderId, titleSede, title, description, lat, lon, list));
}
StringBuilder string = new StringBuilder();
for (MyClass m : Utility.list){
string.append(m.toString()).append("\n");
}
Log.d("RESULT", "\n" + string);
}
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder> {
private ArrayList<MyClass> list;
MyAdapter(Context context, ArrayList<MyClass> list){
this.list = (ArrayList<MyClass>) list.clone();
}
@NonNull
@Override
public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.m_layout, parent, false);
return new MyViewHolder(view);
}
@Override
public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
MyClass mac = list.get(position);
holder.vId.setText( mac.getId() );
holder.vTitle.setText( mac.getTitle() );
}
@Override
public int getItemCount() {
return list.size();
}
class MyViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
private TextView vId;
private TextView vTitle;
MyViewHolder(View itemView) {
super(itemView);
vId = itemView.findViewById(R.id.textView_id_rowM);
vTitle = itemView.findViewById(R.id.textView_title_rowM);
itemView.setOnClickListener(this);
}
@Override
public void onClick(View v) {
Log.d("RESULT", "clicked");
}
}
}
}
HomeActivity.java
public class HomeActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, View.OnClickListener {
private boolean doubleBackToExitPressedOnce = false;
private ActionBarDrawerToggle toggle;
private ProgressBar progressBar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
DrawerLayout drawer = findViewById(R.id.drawer_layout);
toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.addDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
displaySelectedScreen(R.id.fram_m);
}
private void displaySelectedScreen(int id){
Fragment fragment = null;
switch(id){
case R.id.fram_m:
fragment = new MyFragment();
break;
}
//replacing fragment
if(fragment != null){
android.support.v4.app.FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction();
fragmentTransaction.replace(R.id.content_frame, fragment);
fragmentTransaction.commit();
}
DrawerLayout drawerLayout = findViewById(R.id.drawer_layout);
drawerLayout.closeDrawer(GravityCompat.START);
}
}
答案 0 :(得分：0)
替换下面的
holder.vId.setText( mac.getId() );
带
holder.vId.setText( mac.getId() +"");
当mac.getId()返回Integer值时，Android系统将检查具有该Id的任何匹配资源。