在 AutoCompleteTextView 中进行选择时崩溃
crash when making selection in AutoCompleteTextView
显然,this and 与我遇到的问题相同,尽管我的 Textview 是 AutoCompleteTextView。我正在从我的联系人列表中选择。每当我进行选择时,我都会收到以下错误:
java.lang.IllegalArgumentException: Invalid offset: -1. Valid range is [0, 23]
at android.text.method.WordIterator.checkOffsetIsValid(WordIterator.java:384)
at android.text.method.WordIterator.preceding(WordIterator.java:72)
at android.widget.SpellChecker$SpellParser.parse(SpellChecker.java:599)
at android.widget.SpellChecker$SpellParser.parse(SpellChecker.java:517)
at android.widget.SpellChecker.spellCheck(SpellChecker.java:242)
at android.widget.Editor.updateSpellCheckSpans(Editor.java:707)
at android.widget.Editor.sendOnTextChanged(Editor.java:1256)
at android.widget.TextView.sendOnTextChanged(TextView.java:9368)
at android.widget.TextView.setText(TextView.java:5397)
at android.widget.TextView.setText(TextView.java:5250)
at android.widget.EditText.setText(EditText.java:113)
at com.webnation.text2email.widgets.AutoCompleteContactTextView.onItemClick(AutoCompleteContactTextView.java:183)
这似乎是因为在允许的范围之外选择了光标。上面 link 中给出的解决方法似乎没有帮助。这是崩溃发生的地方:
public class AutoCompleteContactTextView extends AppCompatAutoCompleteTextView implements CustomAdapter.AsyncLoad {
private void init(Context context, AttributeSet attrs, boolean programmatic) {
this.context = context;
this.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
if (AutoCompleteContactTextView.this.getAdapter() != null && !s.toString().equalsIgnoreCase("")) {
((CustomAdapter) AutoCompleteContactTextView.this.getAdapter()).getFilter().filter(s);
((CustomAdapter) AutoCompleteContactTextView.this.getAdapter()).notifyDataSetChanged();
ArrayList<People> arrPeople = ((CustomAdapter) AutoCompleteContactTextView.this.getAdapter()).dataList;
Log.d("We're Here", "We're here in onTextChanged");
//searchText = s;
}
if (!somethingIsSelected) {
selected = null;
}
}
@Override
public void afterTextChanged(Editable s) {
}
});
this.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
selected = (People) getAdapter().getItem(position);
GlobalVars.selectedPerson = selected;
somethingIsSelected = true;
String name = selected.getName().toString();
setText(null);
setText(selected.getName(), TextView.BufferType.SPANNABLE); //<--crash happens here.
Log.d("Something Selected", String.valueOf(somethingIsSelected));
}
});
}
我在模拟器 Nexus 5 运行 上 API 27。这也发生在 Pixel XL 模拟器上 运行 API 27. 这不会崩溃在真实设备上(我的三星 Galaxy S7 Edge,运行 API 24)。
显然,所选项目的值被设置为 class,而不是字符串。我更新了 AutoCompleteTextView 的过滤器,然后应用程序可以获得字符串的值。
this.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
selected = (People) getAdapter().getItem(position);
GlobalVars.selectedPerson = selected;
somethingIsSelected = true;
Log.d("Something Selected", String.valueOf(somethingIsSelected));
}
});
@Override
public Filter getFilter() {
filter = new Filter() {
@Override
public String convertResultToString(Object resultValue) {
String str = ((People)(resultValue)).getName();
return str;
}
.....
}
AutoCompleteTextView 的 get Item returns 一个 Object,因此针对此问题的另一个修复也可能正在更改:
@Override
public Object getItem(int position) {
return toDisplayList.get(position);
}
到
@Override
public String getItem(int position) {
return toDisplayList.get(position).getName();
}
我正在使用这个 class 的一个版本:
显然,this and
java.lang.IllegalArgumentException: Invalid offset: -1. Valid range is [0, 23] at android.text.method.WordIterator.checkOffsetIsValid(WordIterator.java:384) at android.text.method.WordIterator.preceding(WordIterator.java:72) at android.widget.SpellChecker$SpellParser.parse(SpellChecker.java:599) at android.widget.SpellChecker$SpellParser.parse(SpellChecker.java:517) at android.widget.SpellChecker.spellCheck(SpellChecker.java:242) at android.widget.Editor.updateSpellCheckSpans(Editor.java:707) at android.widget.Editor.sendOnTextChanged(Editor.java:1256) at android.widget.TextView.sendOnTextChanged(TextView.java:9368) at android.widget.TextView.setText(TextView.java:5397) at android.widget.TextView.setText(TextView.java:5250) at android.widget.EditText.setText(EditText.java:113) at com.webnation.text2email.widgets.AutoCompleteContactTextView.onItemClick(AutoCompleteContactTextView.java:183)
这似乎是因为在允许的范围之外选择了光标。上面 link 中给出的解决方法似乎没有帮助。这是崩溃发生的地方:
public class AutoCompleteContactTextView extends AppCompatAutoCompleteTextView implements CustomAdapter.AsyncLoad {
private void init(Context context, AttributeSet attrs, boolean programmatic) {
this.context = context;
this.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
if (AutoCompleteContactTextView.this.getAdapter() != null && !s.toString().equalsIgnoreCase("")) {
((CustomAdapter) AutoCompleteContactTextView.this.getAdapter()).getFilter().filter(s);
((CustomAdapter) AutoCompleteContactTextView.this.getAdapter()).notifyDataSetChanged();
ArrayList<People> arrPeople = ((CustomAdapter) AutoCompleteContactTextView.this.getAdapter()).dataList;
Log.d("We're Here", "We're here in onTextChanged");
//searchText = s;
}
if (!somethingIsSelected) {
selected = null;
}
}
@Override
public void afterTextChanged(Editable s) {
}
});
this.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
selected = (People) getAdapter().getItem(position);
GlobalVars.selectedPerson = selected;
somethingIsSelected = true;
String name = selected.getName().toString();
setText(null);
setText(selected.getName(), TextView.BufferType.SPANNABLE); //<--crash happens here.
Log.d("Something Selected", String.valueOf(somethingIsSelected));
}
});
}
我在模拟器 Nexus 5 运行 上 API 27。这也发生在 Pixel XL 模拟器上 运行 API 27. 这不会崩溃在真实设备上(我的三星 Galaxy S7 Edge,运行 API 24)。
显然,所选项目的值被设置为 class,而不是字符串。我更新了 AutoCompleteTextView 的过滤器,然后应用程序可以获得字符串的值。
this.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
selected = (People) getAdapter().getItem(position);
GlobalVars.selectedPerson = selected;
somethingIsSelected = true;
Log.d("Something Selected", String.valueOf(somethingIsSelected));
}
});
@Override
public Filter getFilter() {
filter = new Filter() {
@Override
public String convertResultToString(Object resultValue) {
String str = ((People)(resultValue)).getName();
return str;
}
.....
}
AutoCompleteTextView 的 get Item returns 一个 Object,因此针对此问题的另一个修复也可能正在更改:
@Override
public Object getItem(int position) {
return toDisplayList.get(position);
}
到
@Override
public String getItem(int position) {
return toDisplayList.get(position).getName();
}
我正在使用这个 class 的一个版本: