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Fixed #222: ListPicker showing number of items in list

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This commit is contained in:
Rossen Hristov
2015-05-27 14:29:22 +03:00
parent 346332a227
commit dcb96cbc0a
2 changed files with 74 additions and 11 deletions
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28
ui/list-picker/list-picker.android.ts
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@@ -10,6 +10,7 @@ export class ListPicker extends common.ListPicker {
private _android: android.widget.NumberPicker;
private _valueChangedListener: android.widget.NumberPicker.OnValueChangeListener;
private _formatter: android.widget.NumberPicker.Formatter;
private _editText: android.widget.EditText;
get android(): android.widget.NumberPicker {
return this._android;
@@ -21,7 +22,6 @@ export class ListPicker extends common.ListPicker {
public _createUI() {
this._android = new android.widget.NumberPicker(this._context);
this._android.setMinValue(0);
this._android.setDescendantFocusability(android.widget.NumberPicker.FOCUS_BLOCK_DESCENDANTS);
var that = new WeakRef(this);
@@ -36,7 +36,7 @@ export class ListPicker extends common.ListPicker {
return this.owner._getItemAsString(index);
}
return index.toString();
return "";
}
});
this._android.setFormatter(this._formatter);
@@ -54,7 +54,15 @@ export class ListPicker extends common.ListPicker {
});
this._android.setOnValueChangedListener(this._valueChangedListener);
this._fixDisappearingSelectedItem();
//Fix disappearing selected item.
//HACK: http://stackoverflow.com/questions/17708325/android-numberpicker-with-formatter-does-not-format-on-first-rendering/26797732
var mInputTextField = java.lang.Class.forName("android.widget.NumberPicker").getDeclaredField("mInputText");
mInputTextField.setAccessible(true);
this._editText = <android.widget.EditText>mInputTextField.get(this._android);
this._editText.setFilters([]);
// Since the Android NumberPicker has to always have at least one item, i.e. minValue=maxValue=value=0, we don't want this zero showing up when this.items is empty.
this._editText.setText(null);
}
public _onSelectedIndexPropertyChanged(data: dependencyObservable.PropertyChangeData) {
@@ -77,7 +85,7 @@ export class ListPicker extends common.ListPicker {
maxValue = 0;
}
else {
maxValue = data.newValue.length;
maxValue = data.newValue.length - 1;
}
this.android.setMaxValue(maxValue);
@@ -85,13 +93,11 @@ export class ListPicker extends common.ListPicker {
}
this._updateSelectedIndexOnItemsPropertyChanged(data.newValue);
}
private _fixDisappearingSelectedItem() {
//Fix disappearing selected item.
//HACK: http://stackoverflow.com/questions/17708325/android-numberpicker-with-formatter-does-not-format-on-first-rendering/26797732
var mInputTextField = java.lang.Class.forName("android.widget.NumberPicker").getDeclaredField("mInputText");
mInputTextField.setAccessible(true);
var mInputText = <android.widget.EditText>mInputTextField.get(this._android);
mInputText.setFilters([]);
if (this._editText) {
this._editText.setFilters([]);
}
}
}