Android 如何更改listview中每个列表项的前面
我有5种字体样式(Android 如何更改listview中每个列表项的前面,android,listview,android-typeface,Android,Listview,Android Typeface,我有5种字体样式(Typeface),希望以不同的字体样式在ListView中显示用户输入的内容5次。 下面是我尝试过的代码 public void ShowTextStyles(String inputText, int color){ final Dialog dialog = new Dialog(EditImageActivity.this); dialog.requestWindowFeature(Window.FEATURE_NO_TITLE); dialo
Typeface
),希望以不同的字体样式在ListView
中显示用户输入的内容5次。
下面是我尝试过的代码
public void ShowTextStyles(String inputText, int color){
final Dialog dialog = new Dialog(EditImageActivity.this);
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setContentView(R.layout.textstylelayout);
dialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
// Array of strings...
final String[] textStyles={"Gobold Bold.ttf","beyond_wonderland.ttf"};
final String[] mobileArray = {inputText,inputText,inputText,inputText,inputText,inputText,inputText,inputText,inputText,inputText};
ArrayAdapter adapter = new ArrayAdapter<String>(EditImageActivity.this,
R.layout.text_style_list, mobileArray);
ListView listView = (ListView) dialog.findViewById(R.id.mobile_list);
listView.setAdapter(adapter);
// Set an item click listener for ListView
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
// Get the selected item text from ListView
String selectedItem = (String) parent.getItemAtPosition(position);
// Display the selected item text on TextView
}
});
dialog.setCancelable(true);
dialog.show();
}
public void ShowTextStyles(字符串inputText,int-color){
最终对话框=新对话框(EditImageActivity.this);
对话框.requestWindowFeature(窗口.FEATURE\u无\u标题);
setContentView(R.layout.textstylelayout);
dialog.getWindow().setBackgroundDrawable(新的ColorDrawable(Color.TRANSPARENT));
//字符串数组。。。
最后一个字符串[]textStyles={“Gobold Bold.ttf”,“beyond_wonderland.ttf”};
最终字符串[]mobileArray={inputText,inputText,inputText,inputText,inputText,inputText,inputText,inputText};
ArrayAdapter=新的ArrayAdapter(EditImageActivity.this,
R.layout.text\u style\u list,mobileArray);
ListView=(ListView)dialog.findViewById(R.id.mobile\u list);
setAdapter(适配器);
//为ListView设置项目单击侦听器
setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父对象、视图、整型位置、长id){
//从ListView获取所选项目文本
字符串selectedItem=(字符串)parent.getItemAtPosition(位置);
//在TextView上显示所选项目文本
}
});
对话框。可设置可取消(true);
dialog.show();
}
为此,您需要使用BaseAdapter
public class Myadapter extends BaseAdapter {
AssetManager assetManager = getAssets();
LayoutInflater lif;
ImageView sideArrow;
TextView tv;
public Myadapter(Context ctx) {
lif = (LayoutInflater) ctx.getSystemService(LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return favarets.size();
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View vi = convertView;
if (convertView == null)
vi = lif.inflate(R.layout.inflate, null);
sideArrow = (ImageView) vi.findViewById(R.id.imageViewsidemark);
tv = (TextView) vi.findViewById(R.id.textFav);
tv.setText(favarets.get(position));
final Typeface tvFont = Typeface.createFromAsset(assetManager, "OPTIMA.TTF");
tv.setTypeface(tvFont);
tv.setTextColor(Color.BLACK);
return vi;
}
}
下面是如何使用customAdapter的示例
解决方案2:
ArrayAdapter<String> adapter = new ArrayAdapter<String>(getApplicationContext(),
android.R.layout.simple_list_item_1, filled_arr) {
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View view = super.getView(position, convertView, parent);
TextView text = (TextView) view.findViewById(android.R.id.text1);
text.setTypeface(typeface);
return view;
}
};
ArrayAdapter=新的ArrayAdapter(getApplicationContext(),
android.R.layout.simple_list_item_1,已填充_arr){
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
视图=super.getView(位置、转换视图、父级);
TextView text=(TextView)view.findViewById(android.R.id.text1);
text.setTypeface(字体);
返回视图;
}
};
创建自定义适配器并将其用于listview:
public class TestAdapter extends BaseAdapter {
private Context context;
private List<String> appData;
String[] fontFiles = {"Gobold Bold.ttf", "beyond_wonderland.ttf"}; // add more fonts if wish more styles
public TestAdapter(Context context, List<String> appData) {
this.context = context;
this.appData = appData;
}
@Override
public int getCount() {
return appData.size();
}
@Override
public Object getItem(int position) {
return appData.get(position);
}
@Override
public long getItemId(int position) {
return 0;
}
private class ViewHolder {
TextView tv_item;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
if (convertView == null) {
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = inflater.inflate(R.layout.list_app, null);
holder = new ViewHolder();
holder.tv_item = convertView.findViewById(R.id.tv_item);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.tv_item.setText(appData.get(position));
Typeface typeface;
// change this condition according to your need
if (position == 0){
typeface = Typeface.createFromAsset(context.getAssets(), fontFiles[0]);
}else {
typeface = Typeface.createFromAsset(context.getAssets(), fontFiles[1]);
}
holder.tv_item.setTypeface(typeface);
return convertView;
}
}
公共类TestAdapter扩展了BaseAdapter{
私人语境;
私有列表数据;
String[]fontFiles={“Gobold Bold.ttf”,“beyond_wonderland.ttf”};//如果需要更多样式,请添加更多字体
公共测试适配器(上下文,列表appData){
this.context=上下文;
this.appData=appData;
}
@凌驾
public int getCount(){
返回appData.size();
}
@凌驾
公共对象getItem(int位置){
返回appData.get(位置);
}
@凌驾
公共长getItemId(int位置){
返回0;
}
私有类视窗持有者{
TextView电视节目;
}
@凌驾
公共视图getView(最终整数位置、视图转换视图、视图组父视图){
ViewHolder=null;
if(convertView==null){
LayoutFlater充气器=(LayoutFlater)context.getSystemService(context.LAYOUT\u充气器\u服务);
convertView=充气机。充气(R.layout.list\u应用程序,空);
holder=新的ViewHolder();
holder.tv_项=convertView.findViewById(R.id.tv_项);
convertView.setTag(支架);
}否则{
holder=(ViewHolder)convertView.getTag();
}
holder.tv_item.setText(appData.get(position));
字体;
//根据您的需要更改此条件
如果(位置==0){
typeface=typeface.createFromAsset(context.getAssets(),fontFiles[0]);
}否则{
typeface=typeface.createFromAsset(context.getAssets(),fontFiles[1]);
}
支架.电视项目.设置字体(字体);
返回视图;
}
}
我是android新手,只是不知道我该怎么做。我已经在使用arrayadapter了。那么我应该用base替换它吗adapter@farhan是,如果要设置每行不同的字体,则需要使用baseadapter..@farhan请检查我的更新答案。我们使用arrayadapter设置了单个字体。获取错误。空对象引用上的void android.widget.TextView.setTypeface(android.graphics.Typeface)“”谢谢。它工作得很好。还有一件事,我怎么能做到呢?listview.setOnItemClickListener(新的OnItemClickListener(){@Override public void onItemClick(AdapterView AdapterView,View视图,int pos,long l){//在这里您可以获取位置并访问//TicketList对象}};///会有用吗?是的。谢谢你救了我一天!