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Merge pull request RohitSurwase#5 from RohitSurwase/develop
Added demo app for dynamic expandable RecyclerView
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25 changes: 0 additions & 25 deletions
25
...cycler-view/src/androidTest/java/com/rohitss/dynamicrecycler/ExampleInstrumentedTest.java
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dynamic-recycler-view/src/main/java/com/rohitss/dynamicrecycler/DummyChildDataItem.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| package com.rohitss.dynamicrecycler; | ||
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| import java.io.Serializable; | ||
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| /** | ||
| * <b></b> | ||
| * <p>This class is used to </p> | ||
| * Created by Rohit. | ||
| */ | ||
| class DummyChildDataItem implements Serializable { | ||
| private String childName; | ||
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| public String getChildName() { | ||
| return childName; | ||
| } | ||
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| public void setChildName(String childName) { | ||
| this.childName = childName; | ||
| } | ||
| } |
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dynamic-recycler-view/src/main/java/com/rohitss/dynamicrecycler/DummyParentDataItem.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| package com.rohitss.dynamicrecycler; | ||
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| import java.io.Serializable; | ||
| import java.util.ArrayList; | ||
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| /** | ||
| * <b></b> | ||
| * <p>This class is used to </p> | ||
| * Created by Rohit. | ||
| */ | ||
| class DummyParentDataItem implements Serializable { | ||
| private String parentName; | ||
| private ArrayList<DummyChildDataItem> childDataItems; | ||
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| public String getParentName() { | ||
| return parentName; | ||
| } | ||
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| public void setParentName(String parentName) { | ||
| this.parentName = parentName; | ||
| } | ||
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| public ArrayList<DummyChildDataItem> getChildDataItems() { | ||
| return childDataItems; | ||
| } | ||
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| public void setChildDataItems(ArrayList<DummyChildDataItem> childDataItems) { | ||
| this.childDataItems = childDataItems; | ||
| } | ||
| } |
185 changes: 185 additions & 0 deletions
185
dynamic-recycler-view/src/main/java/com/rohitss/dynamicrecycler/DynamicRecyclerActivity.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| package com.rohitss.dynamicrecycler; | ||
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| import android.content.Context; | ||
| import android.os.Bundle; | ||
| import android.support.v4.content.ContextCompat; | ||
| import android.support.v7.app.AppCompatActivity; | ||
| import android.support.v7.widget.LinearLayoutManager; | ||
| import android.support.v7.widget.RecyclerView; | ||
| import android.view.Gravity; | ||
| import android.view.LayoutInflater; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
| import android.widget.LinearLayout; | ||
| import android.widget.TextView; | ||
| import android.widget.Toast; | ||
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| import java.util.ArrayList; | ||
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| public class DynamicRecyclerActivity extends AppCompatActivity { | ||
| private RecyclerView mRecyclerView; | ||
| private Context mContext; | ||
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| @Override | ||
| protected void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| setContentView(R.layout.activity_dynamic_recycler); | ||
| setContentView(R.layout.activity_dynamic_recycler); | ||
| mContext = DynamicRecyclerActivity.this; | ||
| mRecyclerView = findViewById(R.id.recyclerView); | ||
| RecyclerDataAdapter recyclerDataAdapter = new RecyclerDataAdapter(getDummyDataToPass()); | ||
| mRecyclerView.setLayoutManager(new LinearLayoutManager(mContext)); | ||
| mRecyclerView.setAdapter(recyclerDataAdapter); | ||
| mRecyclerView.setHasFixedSize(true); | ||
| } | ||
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| private ArrayList<DummyParentDataItem> getDummyDataToPass() { | ||
| ArrayList<DummyParentDataItem> dummyDataItems = new ArrayList<>(); | ||
| ArrayList<DummyChildDataItem> dummyChildDataItems; | ||
| DummyParentDataItem dummyParentDataItem; | ||
| DummyChildDataItem dummyChildDataItem; | ||
| ///////// | ||
| dummyParentDataItem = new DummyParentDataItem(); | ||
| dummyParentDataItem.setParentName("Parent 1"); | ||
| dummyChildDataItems = new ArrayList<>(); | ||
| // | ||
| dummyChildDataItem = new DummyChildDataItem(); | ||
| dummyChildDataItem.setChildName("Child Item 1"); | ||
| dummyChildDataItems.add(dummyChildDataItem); | ||
| // | ||
| dummyParentDataItem.setChildDataItems(dummyChildDataItems); | ||
| dummyDataItems.add(dummyParentDataItem); | ||
| //////// | ||
| dummyParentDataItem = new DummyParentDataItem(); | ||
| dummyParentDataItem.setParentName("Parent 2"); | ||
| dummyChildDataItems = new ArrayList<>(); | ||
| // | ||
| dummyChildDataItem = new DummyChildDataItem(); | ||
| dummyChildDataItem.setChildName("Child Item 1"); | ||
| dummyChildDataItems.add(dummyChildDataItem); | ||
| // | ||
| dummyChildDataItem = new DummyChildDataItem(); | ||
| dummyChildDataItem.setChildName("Child Item 2"); | ||
| dummyChildDataItems.add(dummyChildDataItem); | ||
| // | ||
| dummyParentDataItem.setChildDataItems(dummyChildDataItems); | ||
| dummyDataItems.add(dummyParentDataItem); | ||
| //////// | ||
| dummyParentDataItem = new DummyParentDataItem(); | ||
| dummyParentDataItem.setParentName("Parent 3"); | ||
| dummyChildDataItems = new ArrayList<>(); | ||
| // | ||
| dummyChildDataItem = new DummyChildDataItem(); | ||
| dummyChildDataItem.setChildName("Child Item 1"); | ||
| dummyChildDataItems.add(dummyChildDataItem); | ||
| // | ||
| dummyChildDataItem = new DummyChildDataItem(); | ||
| dummyChildDataItem.setChildName("Child Item 2"); | ||
| dummyChildDataItems.add(dummyChildDataItem); | ||
| // | ||
| dummyChildDataItem = new DummyChildDataItem(); | ||
| dummyChildDataItem.setChildName("Child Item 3"); | ||
| dummyChildDataItems.add(dummyChildDataItem); | ||
| // | ||
| dummyChildDataItem = new DummyChildDataItem(); | ||
| dummyChildDataItem.setChildName("Child Item 4"); | ||
| dummyChildDataItems.add(dummyChildDataItem); | ||
| // | ||
| dummyChildDataItem = new DummyChildDataItem(); | ||
| dummyChildDataItem.setChildName("Child Item 5"); | ||
| dummyChildDataItems.add(dummyChildDataItem); | ||
| // | ||
| dummyParentDataItem.setChildDataItems(dummyChildDataItems); | ||
| dummyDataItems.add(dummyParentDataItem); | ||
| //////// | ||
| return dummyDataItems; | ||
| } | ||
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| private class RecyclerDataAdapter extends RecyclerView.Adapter<RecyclerDataAdapter.MyViewHolder> { | ||
| private ArrayList<DummyParentDataItem> dummyParentDataItems; | ||
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| RecyclerDataAdapter(ArrayList<DummyParentDataItem> dummyParentDataItems) { | ||
| this.dummyParentDataItems = dummyParentDataItems; | ||
| } | ||
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| @Override | ||
| public RecyclerDataAdapter.MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { | ||
| View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_parent_child_listing, parent, false); | ||
| return new MyViewHolder(itemView); | ||
| } | ||
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| @Override | ||
| public void onBindViewHolder(RecyclerDataAdapter.MyViewHolder holder, int position) { | ||
| DummyParentDataItem dummyParentDataItem = dummyParentDataItems.get(position); | ||
| holder.textView_parentName.setText(dummyParentDataItem.getParentName()); | ||
| // | ||
| int noOfChildTextViews = holder.linearLayout_childItems.getChildCount(); | ||
| int noOfChild = dummyParentDataItem.getChildDataItems().size(); | ||
| if (noOfChild < noOfChildTextViews) { | ||
| for (int index = noOfChild; index < noOfChildTextViews; index++) { | ||
| TextView currentTextView = (TextView) holder.linearLayout_childItems.getChildAt(index); | ||
| currentTextView.setVisibility(View.GONE); | ||
| } | ||
| } | ||
| for (int textViewIndex = 0; textViewIndex < noOfChild; textViewIndex++) { | ||
| TextView currentTextView = (TextView) holder.linearLayout_childItems.getChildAt(textViewIndex); | ||
| currentTextView.setText(dummyParentDataItem.getChildDataItems().get(textViewIndex).getChildName()); | ||
| /*currentTextView.setOnClickListener(new View.OnClickListener() { | ||
| @Override | ||
| public void onClick(View view) { | ||
| Toast.makeText(mContext, "" + ((TextView) view).getText().toString(), Toast.LENGTH_SHORT).show(); | ||
| } | ||
| });*/ | ||
| } | ||
| } | ||
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| @Override | ||
| public int getItemCount() { | ||
| return dummyParentDataItems.size(); | ||
| } | ||
|
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| class MyViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener { | ||
| private Context context; | ||
| private TextView textView_parentName; | ||
| private LinearLayout linearLayout_childItems; | ||
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| MyViewHolder(View itemView) { | ||
| super(itemView); | ||
| context = itemView.getContext(); | ||
| textView_parentName = itemView.findViewById(R.id.tv_parentName); | ||
| linearLayout_childItems = itemView.findViewById(R.id.ll_child_items); | ||
| linearLayout_childItems.setVisibility(View.GONE); | ||
| int intMaxNoOfChild = 0; | ||
| for (int index = 0; index < dummyParentDataItems.size(); index++) { | ||
| int intMaxSizeTemp = dummyParentDataItems.get(index).getChildDataItems().size(); | ||
| if (intMaxSizeTemp > intMaxNoOfChild) intMaxNoOfChild = intMaxSizeTemp; | ||
| } | ||
| for (int indexView = 0; indexView < intMaxNoOfChild; indexView++) { | ||
| TextView textView = new TextView(context); | ||
| textView.setId(indexView); | ||
| textView.setPadding(0, 20, 0, 20); | ||
| textView.setGravity(Gravity.CENTER); | ||
| textView.setBackground(ContextCompat.getDrawable(context, R.drawable.background_sub_module_text)); | ||
| LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT); | ||
| textView.setOnClickListener(this); | ||
| linearLayout_childItems.addView(textView, layoutParams); | ||
| } | ||
| textView_parentName.setOnClickListener(this); | ||
| } | ||
|
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| @Override | ||
| public void onClick(View view) { | ||
| if (view.getId() == R.id.tv_parentName) { | ||
| if (linearLayout_childItems.getVisibility() == View.VISIBLE) { | ||
| linearLayout_childItems.setVisibility(View.GONE); | ||
| } else { | ||
| linearLayout_childItems.setVisibility(View.VISIBLE); | ||
| } | ||
| } else { | ||
| TextView textViewClicked = (TextView) view; | ||
| Toast.makeText(context, "" + textViewClicked.getText().toString(), Toast.LENGTH_SHORT).show(); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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