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[Dialog] Update Catalog to return user input and show it in a toast for multi-select list and single select list demos.

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PiperOrigin-RevId: 333771569
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isabellekim 2020-09-25 11:20:43 -07:00 committed by pekingme
parent 7c6dc5f70b
commit 6afbc7ba45
1 changed files with 27 additions and 2 deletions
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29
catalog/java/io/material/catalog/dialog/DialogMainDemoFragment.java
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@ -21,9 +21,11 @@ import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import androidx.appcompat.app.AlertDialog;
import android.util.SparseBooleanArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
@ -33,6 +35,8 @@ import androidx.annotation.StyleRes;
import com.google.android.material.button.MaterialButton;
import com.google.android.material.dialog.MaterialAlertDialogBuilder;
import io.material.catalog.feature.DemoFragment;
import java.util.ArrayList;
import java.util.List;
/** A fragment that displays the main Dialog demos for the Catalog app. */
public class DialogMainDemoFragment extends DemoFragment {
@ -169,7 +173,19 @@ public class DialogMainDemoFragment extends DemoFragment {
R.string.title_checkboxes_2_actions,
new MaterialAlertDialogBuilder(getContext())
.setTitle(title)
.setPositiveButton(positiveText, null)
.setPositiveButton(
positiveText,
(DialogInterface dialog, int which) -> {
SparseBooleanArray checkedItemPositions =
((AlertDialog) dialog).getListView().getCheckedItemPositions();
List<CharSequence> result = new ArrayList<>();
for (int i = 0; i < choices.length; i++) {
if (checkedItemPositions.get(i)) {
result.add(choices[i]);
}
}
Toast.makeText(getContext(), result.toString(), Toast.LENGTH_LONG).show();
})
.setNegativeButton(negativeText, null)
.setMultiChoiceItems(choices, choicesInitial, null));
@ -179,7 +195,16 @@ public class DialogMainDemoFragment extends DemoFragment {
R.string.title_radiobuttons_2_actions,
new MaterialAlertDialogBuilder(getContext())
.setTitle(title)
.setPositiveButton(positiveText, null)
.setPositiveButton(
positiveText,
(DialogInterface dialog, int which) -> {
int checkedItemPosition =
((AlertDialog) dialog).getListView().getCheckedItemPosition();
if (checkedItemPosition != AdapterView.INVALID_POSITION) {
Toast.makeText(getContext(), choices[checkedItemPosition], Toast.LENGTH_LONG)
.show();
}
})
.setNegativeButton(negativeText, null)
.setSingleChoiceItems(choices, 1, null));