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Code Issues Actions Packages Projects Releases Wiki Activity

Search displays 'No Results' when results are empty

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This commit is contained in:
Clayton Wilson 2020-11-14 22:27:47 -05:00
parent c0f79a70ef
commit 72a201a0fe
2 changed files with 27 additions and 1 deletions
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18
Listify/app/src/main/java/com/example/listify/SearchResults.java
View File

@ -13,6 +13,8 @@ import android.widget.ImageView;
import android.widget.ListView; import android.widget.ListView;
import android.widget.ProgressBar; import android.widget.ProgressBar;
import android.widget.SearchView; import android.widget.SearchView;
import android.widget.TextView;
import com.example.listify.adapter.SearchResultsListAdapter; import com.example.listify.adapter.SearchResultsListAdapter;
import com.example.listify.data.Chain; import com.example.listify.data.Chain;
import com.example.listify.data.ItemSearch; import com.example.listify.data.ItemSearch;
@ -31,6 +33,7 @@ public class SearchResults extends AppCompatActivity implements FilterDialogFrag
private ListView resultsListView; private ListView resultsListView;
private MenuItem filterItem; private MenuItem filterItem;
private ProgressBar loadingSearch; private ProgressBar loadingSearch;
private TextView tvNoResults;
private SearchResultsListAdapter searchResultsListAdapter; private SearchResultsListAdapter searchResultsListAdapter;
private List<Product> resultsProductList = new ArrayList<>(); private List<Product> resultsProductList = new ArrayList<>();
private List<Product> resultsProductListSorted = new ArrayList<>(); private List<Product> resultsProductListSorted = new ArrayList<>();
@ -64,6 +67,7 @@ public class SearchResults extends AppCompatActivity implements FilterDialogFrag
setSupportActionBar(toolbar); setSupportActionBar(toolbar);
loadingSearch = (ProgressBar) findViewById(R.id.progress_loading_search); loadingSearch = (ProgressBar) findViewById(R.id.progress_loading_search);
tvNoResults = (TextView) findViewById(R.id.tv_search_no_results);
// Back button closes this activity and returns to previous activity (MainActivity) // Back button closes this activity and returns to previous activity (MainActivity)
ImageButton backButton = (ImageButton) findViewById(R.id.backToHomeButton); ImageButton backButton = (ImageButton) findViewById(R.id.backToHomeButton);
@ -320,10 +324,22 @@ public class SearchResults extends AppCompatActivity implements FilterDialogFrag
} }
// This is called after the search results come back from the server // This is called after the search results come back from the server
// TODO: Display a "no results" message if nothing is found when searching
@Override @Override
public void acceptDelivery(Object delivered) { public void acceptDelivery(Object delivered) {
ItemSearch results = (ItemSearch) delivered; ItemSearch results = (ItemSearch) delivered;
// Display "no results" message if the search returns none
runOnUiThread(new Runnable() {
@Override
public void run() {
if (results.getResults().size() == 0) {
tvNoResults.setVisibility(View.VISIBLE);
} else {
tvNoResults.setVisibility(View.GONE);
}
}
});
try { try {
HashMap<Integer,String> chainNameMap = new HashMap<>(); HashMap<Integer,String> chainNameMap = new HashMap<>();
for (int i = 0; i < results.getResults().size(); i++) { for (int i = 0; i < results.getResults().size(); i++) {

10
Listify/app/src/main/res/layout/content_search_results.xml
View File

@ -29,4 +29,14 @@
android:divider="@color/list_divider" android:divider="@color/list_divider"
android:dividerHeight="1dp"/> android:dividerHeight="1dp"/>
<TextView
android:id="@+id/tv_search_no_results"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="80dp"
android:textSize="20sp"
android:text="No Results"
android:gravity="center"
android:visibility="gone"/>
</RelativeLayout> </RelativeLayout>