如何在Android中自定义多选微调器中的复选框?
我有一个微调器,可以同时选择多个项目。我紧随其后,成功地创造了一个 这是我的网站的链接 我不明白的是如何自定义(例如:更改颜色)列表布局中出现的复选框。我知道这可以通过使用自定义适配器来实现,但是上面共享的代码使用默认的“android.R.layout.simple\u spinner\u item”来扩展列表的布局,我似乎不知道复选框在哪里以及如何自定义它们如何在Android中自定义多选微调器中的复选框?,android,android-spinner,multi-select,android-checkbox,Android,Android Spinner,Multi Select,Android Checkbox,我有一个微调器,可以同时选择多个项目。我紧随其后,成功地创造了一个 这是我的网站的链接 我不明白的是如何自定义(例如:更改颜色)列表布局中出现的复选框。我知道这可以通过使用自定义适配器来实现,但是上面共享的代码使用默认的“android.R.layout.simple\u spinner\u item”来扩展列表的布局,我似乎不知道复选框在哪里以及如何自定义它们 谢谢 看起来带复选框的选择器是通过以下代码与微调器的正常工作分开创建的: @Override public boolean perfo
谢谢 看起来带复选框的选择器是通过以下代码与
微调器的正常工作分开创建的:
@Override
public boolean performClick() {
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
builder.setMultiChoiceItems(
items.toArray(new CharSequence[items.size()]), selected, this);
builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
builder.setOnCancelListener(this);
builder.show();
return true;
}
因此,要自定义,您必须自定义AlertDialog
的多选布局。您只需替换
ArrayAdapter<String> adapter = new ArrayAdapter<String>(getContext(),
android.R.layout.simple_spinner_item,
new String[] { spinnerText });
ArrayAdapter=新的ArrayAdapter(getContext(),
android.R.layout.simple\u微调器\u项,
新字符串[]{spinnerText});
到
ArrayAdapter=新的ArrayAdapter(getContext(),
R.layout.your_row_项目,
新字符串[]{spinnerText});
我还使用了multispinner类,并根据需要进行了定制。这是上课时间
MultiSpinner.java
public class MultiSpinner extends Spinner implements DialogInterface.OnMultiChoiceClickListener, DialogInterface.OnCancelListener {
private List<String> items;
private List<GradeBean> mGradeBeanList = new ArrayList<GradeBean>();
private boolean[] selected;
private MultiSpinnerListener listener;
private String mGradeIds="";
private String mGrades="";
private MultiChoiceAdapter multiChoiceAdapter;
private AlertDialog alertDialog;
public MultiSpinner(Context context) {
super(context);
}
public MultiSpinner(Context arg0, AttributeSet arg1) {
super(arg0, arg1);
}
public MultiSpinner(Context arg0, AttributeSet arg1, int arg2) {
super(arg0, arg1, arg2);
}
@Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
if (isChecked)
selected[which] = true;
else
selected[which] = false;
}
@Override
public boolean performClick() {
multiChoiceAdapter = new MultiChoiceAdapter(mGradeBeanList,selected);
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
builder.setAdapter(multiChoiceAdapter,null);
builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
alertDialog = builder.create();
ListView listView = alertDialog.getListView();
listView.setAdapter(multiChoiceAdapter);
listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
selected[position] = !selected[position];
multiChoiceAdapter.notifyDataSetChanged();
}
});
alertDialog.setOnCancelListener(this);
alertDialog.show();
return true;
}
public void setItems(List<GradeBean> gradeBeanList, int defaultSelected,MultiSpinnerListener listener) {
mGradeBeanList.clear();
Log.e("list",""+gradeBeanList);
mGradeBeanList.addAll(gradeBeanList);
this.listener = listener;
items = new ArrayList<String>();
// all selected by default
selected = new boolean[mGradeBeanList.size()];
for (int i = 0; i < selected.length; i++) {
if (defaultSelected == i) {
selected[i] = true;
} else {
selected[i] = false;
}
}
for(int i= 0;i<mGradeBeanList.size();i++)
{
items.add(mGradeBeanList.get(i).getGradeName());
}
// all text on the spinner
ArrayAdapter<String> adapter = new ArrayAdapter<String>(getContext(), R.layout.row_spinner, new String[] { mGradeBeanList.get(defaultSelected).getGradeName()});
setAdapter(adapter);
performClick();
alertDialog.cancel();
}
@Override
public void onCancel(DialogInterface dialog) {
StringBuilder spinnerBuilder = new StringBuilder();
StringBuilder gradeBuilder = new StringBuilder();
for (int i = 0; i < items.size(); i++) {
if (selected[i] == true) {
spinnerBuilder.append(items.get(i));
spinnerBuilder.append(", ");
gradeBuilder.append(mGradeBeanList.get(i).getGradeId());
gradeBuilder.append(", ");
}
}
String spinnerText = "";
if (spinnerBuilder.length() > 2) {
spinnerText = spinnerBuilder.substring(0, spinnerBuilder.length() - 2).toString();
mGrades = spinnerText;
}
if (gradeBuilder.length() > 2) {
mGradeIds = gradeBuilder.substring(0, gradeBuilder.length() - 2).toString();
}
ArrayAdapter<String> adapter = new ArrayAdapter<String>(getContext(),R.layout.row_spinner,new String[] { spinnerText });
setAdapter(adapter);
listener.onItemsSelected(selected);
}
public interface MultiSpinnerListener {
public void onItemsSelected(boolean[] selected);
}
public String getGradeIds() {
return mGradeIds;
}
public String getGrades() {
return mGrades;
}
public void setItems(List<GradeBean> gradeBeanList,List<String> itemValues,String selectedList,MultiSpinnerListener listener) {
mGradeBeanList.clear();
Log.e("list",""+gradeBeanList);
mGradeBeanList.addAll(gradeBeanList);
this.listener = listener;
items = new ArrayList<String>();
for(int i= 0;i<mGradeBeanList.size();i++)
{
items.add(mGradeBeanList.get(i).getGradeName());
}
// Set false by default
selected = new boolean[mGradeBeanList.size()];
for (int j = 0; j < itemValues.size(); j++)
selected[j] = false;
String spinnerText = "";
StringBuilder gradeBuilder= new StringBuilder();
if (selectedList != null) {
String[] selectedItems = selectedList.trim().split(",");
for (int i = 0; i < selectedItems.length; i++)
for (int j = 0; j < mGradeBeanList.size(); j++)
if (selectedItems[i].trim().equals(mGradeBeanList.get(j).getGradeName())) {
selected[j] = true;
gradeBuilder.append(mGradeBeanList.get(j).getGradeId());
gradeBuilder.append(", ");
spinnerText += (spinnerText.equals("")?"":", ") + items.get(j);
break;
}
}
mGrades = spinnerText;
if (gradeBuilder.length() > 2) {
mGradeIds = gradeBuilder.substring(0, gradeBuilder.length() - 2).toString();
}
// Text for the spinner
ArrayAdapter<String> adapter = new ArrayAdapter<String>(getContext(),R.layout.row_spinner, new String[] { spinnerText });
setAdapter(adapter);
}
}
公共类MultiSpinner扩展微调器实现DialogInterface.OnMultiChoiceClickListener、DialogInterface.OnCancelListener{
私人清单项目;
私有列表mGradeBeanList=newarraylist();
选择私有布尔[];
私有多线程侦听器侦听器;
私有字符串mGradeIds=“”;
私有字符串mGrades=“”;
私人多路适配器多路适配器;
私人AlertDialog AlertDialog;
公共多线程(上下文){
超级(上下文);
}
公共多线程器(上下文arg0,属性集arg1){
超级(arg0,arg1);
}
公共多线程器(上下文arg0、属性集arg1、int arg2){
超级(arg0、arg1、arg2);
}
@凌驾
public void onClick(DialogInterface dialog,int,其中布尔值被选中){
如果(已检查)
所选[其中]=真;
其他的
所选[其中]=假;
}
@凌驾
公共布尔performClick(){
multiChoiceAdapter=新的multiChoiceAdapter(mGradeBeanList,选中);
AlertDialog.Builder=新建AlertDialog.Builder(getContext());
setAdapter(multiChoiceAdapter,null);
builder.setPositiveButton(android.R.string.ok,
新建DialogInterface.OnClickListener(){
@凌驾
public void onClick(DialogInterface dialog,int which){
dialog.cancel();
}
});
alertDialog=builder.create();
ListView ListView=alertDialog.getListView();
setAdapter(multiChoiceAdapter);
listView.setChoiceMode(listView.CHOICE\u MODE\u MULTIPLE);
setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父对象、视图、整型位置、长id){
选中的[位置]=!选中的[位置];
multiChoiceAdapter.notifyDataSetChanged();
}
});
alertDialog.setOnCancelListener(此);
alertDialog.show();
返回true;
}
公共void setItems(列表gradeBeanList、int-defaultSelected、MultiSpinnerListener侦听器){
mGradeBeanList.clear();
Log.e(“列表”、“等级列表”);
mGradeBeanList.addAll(gradeBeanList);
this.listener=listener;
items=newarraylist();
//默认情况下选择全部
selected=新布尔值[mGradeBeanList.size()];
对于(int i=0;i2){
mGradeIds=gradeBuilder.substring(0,gradeBuilder.length()-2).toString();
}
ArrayAdapter=newArrayAdapter(getContext(),R.layout.row_微调器,新字符串[]{spinnerText});
设置适配器(适配器);
监听器。已选(已选);
}
公共接口多线程侦听器{
已选择公共项(布尔值[]已选择);
}
公共字符串getGradeIds(){
返回mGradeIds;
}
公共字符串getGrades(){
回报率;
}
公共void setItems(列表等级BeanList、列表项值、字符串selectedList、MultiSpinnerListener侦听器){
mGradeBeanList.clear();
Log.e(“列表”、“等级列表”);
mGradeBeanList.addAll(gradeBeanList);
this.listener=listener;
items=newarraylist();
对于(int i=0;i 2){
mGradeIds=gradeBuilder.substring(0,gradeBuilder.length()-2).toString();
}
//微调器的文本
ArrayAdapter=newArrayAdapter(getContext(),R.layout.row_微调器,新字符串[]{spinnerText});
设置适配器(适配器);
}
}
和row_spinner.xml
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/tv_name"
style="@style/style_tv_normal_fill"
android:singleLine="true"
android:text="TEXT1"
android:padding="@dimen/d_tv_row_spinner_padding"/>
您可以根据需要更改代码
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/tv_name"
style="@style/style_tv_normal_fill"
android:singleLine="true"
android:text="TEXT1"
android:padding="@dimen/d_tv_row_spinner_padding"/>