- Changing Transaction List to use PagedList
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parent
f388f77b49
commit
c64e437ccf
9 changed files with 125 additions and 42 deletions
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@ -34,11 +34,12 @@ dependencies {
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compile 'com.android.support.constraint:constraint-layout:1.0.2'
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testCompile 'junit:junit:4.12'
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compile "android.arch.lifecycle:runtime:1.0.0-alpha9"
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compile "android.arch.lifecycle:extensions:1.0.0-alpha9"
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annotationProcessor "android.arch.lifecycle:compiler:1.0.0-alpha9"
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compile 'android.arch.persistence.room:runtime:1.0.0-alpha9';
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apt "android.arch.persistence.room:compiler:1.0.0-alpha9";
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compile "android.arch.lifecycle:runtime:1.0.0-alpha9-1"
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compile "android.arch.lifecycle:extensions:1.0.0-alpha9-1"
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annotationProcessor "android.arch.lifecycle:compiler:1.0.0-alpha9-1"
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compile 'android.arch.persistence.room:runtime:1.0.0-alpha9-1';
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apt "android.arch.persistence.room:compiler:1.0.0-alpha9-1";
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compile "android.arch.paging:runtime:1.0.0-alpha1";
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compile 'com.idescout.sql:sqlscout-server:2.0';
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}
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@ -5,6 +5,7 @@ import android.arch.lifecycle.LiveData;
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import android.arch.lifecycle.Observer;
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import android.arch.lifecycle.ViewModelProvider;
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import android.arch.lifecycle.ViewModelProviders;
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import android.arch.paging.PagedList;
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import android.os.Bundle;
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import android.support.annotation.Nullable;
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import android.support.v7.app.AppCompatActivity;
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@ -31,11 +32,11 @@ public class IntroActivity extends LifecycleActivity {
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transactionListView = this.findViewById(R.id.transaction_list);
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transactionListViewModel = ViewModelProviders.of(this).get(TransactionListViewModel.class);
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LiveData<List<CryptoCoinTransaction>> transactionData = transactionListViewModel.getTransactionList();
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LiveData<PagedList<CryptoCoinTransaction>> transactionData = transactionListViewModel.getTransactionList();
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transactionData.observe(this, new Observer<List<CryptoCoinTransaction>>() {
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transactionData.observe(this, new Observer<PagedList<CryptoCoinTransaction>>() {
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@Override
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public void onChanged(List<CryptoCoinTransaction> cryptoCoinTransactions) {
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public void onChanged(PagedList<CryptoCoinTransaction> cryptoCoinTransactions) {
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transactionListView.setData(cryptoCoinTransactions);
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}
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});
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@ -1,6 +1,7 @@
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package cy.agorise.crystalwallet.dao;
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import android.arch.lifecycle.LiveData;
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import android.arch.paging.LivePagedListProvider;
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import android.arch.persistence.room.Dao;
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import android.arch.persistence.room.Insert;
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import android.arch.persistence.room.OnConflictStrategy;
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@ -19,6 +20,9 @@ public interface TransactionDao {
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@Query("SELECT * FROM crypto_coin_transaction")
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LiveData<List<CryptoCoinTransaction>> getAll();
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@Query("SELECT * FROM crypto_coin_transaction ORDER BY date ASC")
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LivePagedListProvider<Integer, CryptoCoinTransaction> transactionsByDate();
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@Insert(onConflict = OnConflictStrategy.REPLACE)
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public void insertTransaction(CryptoCoinTransaction... transactions);
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}
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@ -3,6 +3,8 @@ package cy.agorise.crystalwallet.models;
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import android.arch.persistence.room.ColumnInfo;
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import android.arch.persistence.room.Entity;
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import android.arch.persistence.room.PrimaryKey;
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import android.support.annotation.NonNull;
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import android.support.v7.recyclerview.extensions.DiffCallback;
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import java.util.Date;
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@ -130,4 +132,37 @@ public class CryptoCoinTransaction {
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public int getIdAsset() { return idAsset; }
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public void setIdAsset(int idAsset) { this.idAsset = idAsset; }
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public static final DiffCallback<CryptoCoinTransaction> DIFF_CALLBACK = new DiffCallback<CryptoCoinTransaction>() {
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@Override
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public boolean areItemsTheSame(
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@NonNull CryptoCoinTransaction oldTransaction, @NonNull CryptoCoinTransaction newTransaction) {
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return oldTransaction.getId() == newTransaction.getId();
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}
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@Override
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public boolean areContentsTheSame(
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@NonNull CryptoCoinTransaction oldTransaction, @NonNull CryptoCoinTransaction newTransaction) {
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return oldTransaction.equals(newTransaction);
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}
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};
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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CryptoCoinTransaction that = (CryptoCoinTransaction) o;
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if (isInput != that.isInput) return false;
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if (accountId != that.accountId) return false;
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if (amount != that.amount) return false;
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if (idAsset != that.idAsset) return false;
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if (isConfirmed != that.isConfirmed) return false;
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if (date != null ? !date.equals(that.date) : that.date != null) return false;
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if (from != null ? !from.equals(that.from) : that.from != null) return false;
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return to != null ? to.equals(that.to) : that.to == null;
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}
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}
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@ -4,6 +4,7 @@ import android.app.Application;
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import android.arch.lifecycle.AndroidViewModel;
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import android.arch.lifecycle.LiveData;
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import android.arch.lifecycle.ViewModel;
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import android.arch.paging.PagedList;
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import android.content.Context;
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import java.util.List;
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@ -18,17 +19,21 @@ import cy.agorise.crystalwallet.views.TransactionListView;
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public class TransactionListViewModel extends AndroidViewModel {
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private LiveData<List<CryptoCoinTransaction>> transactionList;
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private LiveData<PagedList<CryptoCoinTransaction>> transactionList;
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private CrystalDatabase db;
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public TransactionListViewModel(Application application) {
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super(application);
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this.db = CrystalDatabase.getAppDatabase(application.getApplicationContext());
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transactionList = this.db.transactionDao().getAll();
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transactionList = this.db.transactionDao().transactionsByDate().create(0,
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new PagedList.Config.Builder()
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.setPageSize(10)
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.setPrefetchDistance(10)
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.build()
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);
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}
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public LiveData<List<CryptoCoinTransaction>> getTransactionList(){
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public LiveData<PagedList<CryptoCoinTransaction>> getTransactionList(){
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return this.transactionList;
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}
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}
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@ -2,9 +2,11 @@ package cy.agorise.crystalwallet.views;
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import android.arch.lifecycle.LiveData;
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import android.arch.paging.PagedListAdapter;
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import android.content.Context;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.support.v7.widget.RecyclerView;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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@ -21,36 +23,24 @@ import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
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* Created by Henry Varona on 11/9/2017.
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*/
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public class TransactionListAdapter extends ArrayAdapter<CryptoCoinTransaction> {
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public class TransactionListAdapter extends PagedListAdapter<CryptoCoinTransaction, TransactionViewHolder> {
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//List<CryptoCoinTransaction> items;
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public TransactionListAdapter(Context context, List<CryptoCoinTransaction> items) {
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super(context, 0, items);
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}
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public void updateData(List<CryptoCoinTransaction> items){
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this.clear();
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this.addAll(items);
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this.notifyDataSetChanged();
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public TransactionListAdapter() {
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super(CryptoCoinTransaction.DIFF_CALLBACK);
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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public TransactionViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
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return null;
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}
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@Override
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public void onBindViewHolder(TransactionViewHolder holder, int position) {
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CryptoCoinTransaction transaction = getItem(position);
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if (convertView == null) {
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convertView = LayoutInflater.from(getContext()).inflate(R.layout.transaction_list_item, parent, false);
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if (transaction != null) {
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holder.bindTo(transaction);
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} else {
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holder.clear();
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}
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TextView tvFrom = (TextView) convertView.findViewById(R.id.fromText);
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TextView tvTo = (TextView) convertView.findViewById(R.id.toText);
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TextView tvAmount = (TextView) convertView.findViewById(R.id.amountText);
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tvFrom.setText(transaction.getFrom());
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tvTo.setText(transaction.getTo());
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tvAmount.setText(""+transaction.getAmount());
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return convertView;
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}
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}
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@ -1,6 +1,9 @@
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package cy.agorise.crystalwallet.views;
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import android.arch.paging.PagedList;
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import android.arch.paging.PagedListAdapter;
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import android.content.Context;
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import android.support.v7.widget.RecyclerView;
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import android.util.AttributeSet;
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import android.view.View;
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import android.widget.ListView;
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@ -19,7 +22,7 @@ import cy.agorise.crystalwallet.viewmodels.TransactionListViewModel;
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public class TransactionListView extends RelativeLayout {
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View rootView;
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ListView listView;
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RecyclerView listView;
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TransactionListAdapter listAdapter;
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TransactionListViewModel transactionListViewModel;
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@ -30,12 +33,12 @@ public class TransactionListView extends RelativeLayout {
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this.listView = rootView.findViewById(R.id.transactionListView);
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}
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public void setData(List<CryptoCoinTransaction> data){
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public void setData(PagedList<CryptoCoinTransaction> data){
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if (this.listAdapter == null) {
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this.listAdapter = new TransactionListAdapter(this.getContext(), data);
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this.listAdapter = new TransactionListAdapter();
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this.listView.setAdapter(this.listAdapter);
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} else {
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this.listAdapter.updateData(data);
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this.listAdapter.setList(data);
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}
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}
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@ -0,0 +1,44 @@
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package cy.agorise.crystalwallet.views;
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import android.support.v7.widget.RecyclerView;
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import android.view.View;
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import android.widget.TextView;
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import cy.agorise.crystalwallet.R;
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import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
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/**
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* Created by Henry Varona on 17/9/2017.
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*/
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public class TransactionViewHolder extends RecyclerView.ViewHolder {
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private TextView transactionFrom;
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private TextView transactionTo;
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private TextView transactionAmount;
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public TransactionViewHolder(View itemView) {
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super(itemView);
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transactionFrom = (TextView) itemView.findViewById(R.id.fromText);
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transactionTo = (TextView) itemView.findViewById(R.id.toText);
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transactionAmount = (TextView) itemView.findViewById(R.id.amountText);
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}
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public void clear(){
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transactionFrom.setText("loading...");
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transactionTo.setText("");
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transactionAmount.setText("");
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}
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public void bindTo(final CryptoCoinTransaction transaction/*, final OnTransactionClickListener listener*/) {
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transactionFrom.setText(transaction.getFrom());
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transactionTo.setText(transaction.getTo());
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transactionAmount.setText(""+transaction.getAmount());
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/*itemView.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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listener.onUserClick(user);
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}
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});*/
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}
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}
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@ -3,7 +3,7 @@
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android:orientation="vertical" android:layout_width="match_parent"
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android:layout_height="match_parent">
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<ListView
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<RecyclerView
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android:id="@+id/transactionListView"
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android:layout_width="match_parent"
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android:layout_height="match_parent" />
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