-4
毎回別のカードをクリックするたびに、EvsActivityのようなアクティビティが呼び出されます。有効なリストビューへの入れ方
ただし、カードが100であれば、実行可能な解決策ではない100のアクティビティを作成する必要があります。
ので、より良いソリューションを持つ誰PLZウルヘルプがあるcardviewコード
package com.studyleague.app;
import android.os.Bundle;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import java.util.ArrayList;
import java.util.List;
import butterknife.Bind;
import butterknife.ButterKnife;
public class AvailableContent extends TemplateFragment {
@Bind(R.id.available_recycler_view)
RecyclerView recyclerView;
public AvailableContent() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View v = inflater.inflate(R.layout.available_content, container, false);
ButterKnife.bind(this, v);
recyclerView.setHasFixedSize(true);
GridLayoutManager glm = new GridLayoutManager(getActivity(), 2, LinearLayoutManager.VERTICAL, false);
recyclerView.setLayoutManager(glm);
List<AvailableContentModel> content = new ArrayList<>();
for (int i = 0; i < AvailableContentData.acName.length; i++) {
content.add(new AvailableContentModel(AvailableContentData.acIcon[i], AvailableContentData.acName[i]));
}
final AvailableContentAdapter contentAdapter = new AvailableContentAdapter(getActivity(), content);
recyclerView.setAdapter(contentAdapter);
return v;
}
}
//アダプタ//
package com.studyleague.app;
import android.content.Context;
import android.content.Intent;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.List;
import butterknife.Bind;
import butterknife.ButterKnife;
public class AvailableContentAdapter extends RecyclerView.Adapter<AvailableContentAdapter.ContentViewHolder> {
private final List<AvailableContentModel> dataSet;
private Context context;
public ArrayList<AvailableContentModel> content;
public AvailableContentAdapter(Context context, List<AvailableContentModel> content) {
this.context = context;
this.dataSet = content;
}
@Override
public ContentViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.available_content_card, parent, false);
return new ContentViewHolder(view);
}
@Override
public void onBindViewHolder(final ContentViewHolder hold, final int listPosition) {
hold.acImg.setImageResource(dataSet.get(listPosition).getContentImg());
hold.acText.setText(dataSet.get(listPosition).getContentName());
}
@Override
public int getItemCount() {
return dataSet.size();
}
public class ContentViewHolder extends RecyclerView.ViewHolder {
@Bind(R.id.available_card_image_view)
ImageView acImg;
@Bind(R.id.available_card_text_view)
TextView acText;
public ContentViewHolder(final View view) {
super(view);
ButterKnife.bind(this, view);
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
switch (getAdapterPosition()) {
case 0:
Toast.makeText(v.getContext(), "Mechanics", Toast.LENGTH_SHORT).show();
break;
case 1:
Toast.makeText(v.getContext(), "B. E. E.", Toast.LENGTH_SHORT).show();
break;
case 2:
Toast.makeText(v.getContext(), "Maths", Toast.LENGTH_SHORT).show();
break;
case 3:
Toast.makeText(v.getContext(), "Chemistry", Toast.LENGTH_SHORT).show();
break;
case 4:
Toast.makeText(v.getContext(), "Physics", Toast.LENGTH_SHORT).show();
break;
case 5:
context.startActivity(new Intent(context, EvsActivity.class));
break;
default:
Toast.makeText(v.getContext(), "YOLO", Toast.LENGTH_SHORT).show();
break;
}
}
});
}
}
}
//アクティビティと
// Recyclerviewを理解されるであろうカードの1つをクリックすると呼び出されます//
package com.studyleague.app;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.ExpandableListView;
import android.widget.ExpandableListView.OnChildClickListener;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import butterknife.Bind;
import butterknife.ButterKnife;
public class EvsActivity extends AppCompatActivity {
@Bind(R.id.exp_list)
ExpandableListView expListView;
private List<String> chap;
private HashMap<String, List<String>> hashMap;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_evs);
ButterKnife.bind(this);
// preparing list data
prepareListData();
// setting list adapter
ExpandableListAdapter listAdapter = new ExpandableListAdapter(this, chap, hashMap);
expListView.setAdapter(listAdapter);
// expListView on child click listener
expListView.setOnChildClickListener(new OnChildClickListener() {
@Override
public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {
String groupName = chap.get(groupPosition);
String childName = hashMap.get(groupName).get(childPosition);
Toast.makeText(getApplication(), groupName + " : " + childName, Toast.LENGTH_SHORT)
.show();
Intent i = new Intent(EvsActivity.this, Study.class);
startActivity(i);
return false;
}
});
}
/*
* Preparing the list data
*/
private void prepareListData() {
// Hash map for both header and child
hashMap = new HashMap<>();
// Array list for header
chap = new ArrayList<>();
// Adding headers to list
chap.add("1. Multidisciplinary Nature of Environmental Studies");
chap.add("2. Sustainable Development");
chap.add("3. Environmental Pollution");
chap.add("4. Environmental Legislation");
chap.add("5. Renewable Sources of Energy");
chap.add("6. Environment and Technology");
chap.add("7. Another Chapter");
chap.add("8. Almost Another Chapter");
// Array list for child items
List<String> child1 = new ArrayList<>(fillChildData(1, 5));
List<String> child2 = new ArrayList<>(fillChildData(2, 3));
List<String> child3 = new ArrayList<>(fillChildData(3, 11));
List<String> child4 = new ArrayList<>(fillChildData(4, 6));
List<String> child5 = new ArrayList<>(fillChildData(5, 4));
List<String> child6 = new ArrayList<>(fillChildData(6, 2));
List<String> child7 = new ArrayList<>(fillChildData(7, 2));
List<String> child8 = new ArrayList<>(fillChildData(8, 2));
// Adding header and children to hash map
hashMap.put(chap.get(0), child1);
hashMap.put(chap.get(1), child2);
hashMap.put(chap.get(2), child3);
hashMap.put(chap.get(3), child4);
hashMap.put(chap.get(4), child5);
hashMap.put(chap.get(5), child6);
hashMap.put(chap.get(6), child7);
hashMap.put(chap.get(7), child8);
}
private Collection<String> fillChildData(int index, int n) {
List<String> list = new ArrayList<>();
for (int i = 0; i < n; i++) {
list.add("Group " + index + " - Child : " + (i + 1));
}
return list;
}
}
//コードを包み
package com.studyleague.app;
public class AvailableContentData {
static final Integer[] acIcon = {
R.mipmap.mec,
R.mipmap.elec,
R.mipmap.mat,
R.mipmap.chem,
R.mipmap.ic,
R.mipmap.env
};
static final String[] acName = {
"Mechanics",
"B. E. E.",
"Maths",
"Chemistry",
"Physics",
"E. V. S."
};
}
この質問はかなり不明です。あなたのコードを表示し、あなたが期待している結果とそれがあなたのために起こっていない方法を含めて、あなたが持っている問題を明確に説明する方が良いでしょう。 – NoChinDeluxe
あなたの目標は何ですか？あなたが間違ったアプローチをしている可能性がありますので、私たちが助けることができるようにあなたが望むものを明確にしてください。 – Sam
@NoChinDeluxeとsam私は答えをplzでコードを掲載しています – Ace