Java 将文本视图更改为自定义列表视图中的可单击单词
我有一个自定义的Java 将文本视图更改为自定义列表视图中的可单击单词,java,android,listview,spannable,Java,Android,Listview,Spannable,我有一个自定义的列表,其中每个列表上都有不同的按钮。 我的目标是创建单个文本视图 <TextView android:id="@+id/text" android:layout_width="fill_parent" android:layout_height="wrap_content" android:textColor="#000000" android:text="Example" android:textSize="16dp
列表
,其中每个列表上都有不同的按钮。
我的目标是创建单个文本视图
<TextView
android:id="@+id/text"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textColor="#000000"
android:text="Example"
android:textSize="16dp"
android:layout_below="@+id/rl1" />
根据句子进行更改,使每个单词都可以点击
从到此
以及要传递到函数的字 我在想,如果我们可以将单个TextView划分为多个TextView,并使它们可点击,那么这是一种可能的非XML解决方案吗?
任何片段都将感激不尽
关于请尝试此代码,因为您需要可扩展字符串:
SpannableString ss = new SpannableString("Hello World");
ClickableSpan span1 = new ClickableSpan() {
@Override
public void onClick(View textView) {
// do first word click work
}
};
ClickableSpan span2 = new ClickableSpan() {
@Override
public void onClick(View textView) {
// do second word click work
}
};
ss.setSpan(span1, 0, 4, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
ss.setSpan(span2, 6, 10, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
TextView textView = (TextView) findViewById(R.id.hello);
textView.setText(ss);
textView.setMovementMethod(LinkMovementMethod.getInstance());
谢谢请尝试此代码,因为您需要可扩展字符串:
SpannableString ss = new SpannableString("Hello World");
ClickableSpan span1 = new ClickableSpan() {
@Override
public void onClick(View textView) {
// do first word click work
}
};
ClickableSpan span2 = new ClickableSpan() {
@Override
public void onClick(View textView) {
// do second word click work
}
};
ss.setSpan(span1, 0, 4, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
ss.setSpan(span2, 6, 10, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
TextView textView = (TextView) findViewById(R.id.hello);
textView.setText(ss);
textView.setMovementMethod(LinkMovementMethod.getInstance());
谢谢我做了一个简单的例子,可以满足您的要求
SpannableString text = new SpannableString("Text with Clickable word");
// make "Clickable" (characters 10 to 18) display a toast message when touched
final Context context = this;
ClickableSpan clickableSpan = new ClickableSpan() {
@Override
public void onClick(View view) {
Toast.makeText(context, "Clicked!!!", Toast.LENGTH_LONG).show();
}
};
text.setSpan(clickableSpan, 10, 18, 0);
根据您更新的答案
因此,您可以轻松地使此过程动态化我已经制作了一个满足您需求的简单示例
SpannableString text = new SpannableString("Text with Clickable word");
// make "Clickable" (characters 10 to 18) display a toast message when touched
final Context context = this;
ClickableSpan clickableSpan = new ClickableSpan() {
@Override
public void onClick(View view) {
Toast.makeText(context, "Clicked!!!", Toast.LENGTH_LONG).show();
}
};
text.setSpan(clickableSpan, 10, 18, 0);
根据您更新的答案
因此,您可以轻松地将此过程动态化您的问题需要深入使用SpannableString,Androider已经提供了一个很好的提示来解决您的问题,但您说您正在从数据库中动态获取单词,因此我在这里为您编写了一个代码,用于处理动态内容。我还没有测试过这个,希望它对你有用 MainActivity.java:
public class MainActivity extends AppCompatActivity {
ListView lv ;
public static String [] prgmNameList={"Android Dev","SpearHead Inc"}; // You can put dynamic strings in this array .
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lv=(ListView) findViewById(R.id.listView);
lv.setAdapter(new CustomAdapter(this, prgmNameList));
}
}
自定义适配器:
public class CustomAdapter extends BaseAdapter {
String [] result;
Context context;
private static LayoutInflater inflater=null;
public CustomAdapter(MainActivity activity, String[] prgmNameList) {
result = prgmNameList;
context = activity;
inflater = ( LayoutInflater )context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return result.length;
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
public class Holder
{
TextView tv;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
Holder holder=new Holder();
View rowView = inflater.inflate(R.layout.list_item, null);
holder.tv=(TextView) rowView.findViewById(R.id.textView1);
//holder.tv.setText(result[position]);
String span[] = result[position].split(" ") ;
SpannableString ss = new SpannableString(result[position]);
ClickableSpan spans[] = new ClickableSpan[span.length];
for(int spanCount = 0 ; spanCount < span.length ; spanCount++){
spans[spanCount] = new ClickableSpan() {
@Override
public void onClick(View textView) {
TextView v = (TextView)textView ;
String text = v.getText().toString() ;
Log.d("View" , text);
}
};
}
int start = 0 ;
int end ;
try {
for(int spanCount = 0 ; spanCount < span.length ; spanCount++){
end = span[spanCount].length()-1 ;
ss.setSpan(spans[spanCount], start, end , Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
start = span[spanCount].length()+1;
end = span[spanCount].length() + 2 + end ;
}
} catch (Exception e) {
e.printStackTrace();
}
holder.tv.setText(ss);
Log.d("SpannableString" , ss.toString());
return rowView;
}
}
公共类CustomAdapter扩展了BaseAdapter{
字符串[]结果;
语境;
专用静态充气机=空;
公共CustomAdapter(MainActivity活动,字符串[]prgmNameList){
结果=prgmNameList;
上下文=活动;
充气器=(LayoutFlater)context.getSystemService(context.LAYOUT\u充气器\u服务);
}
@凌驾
public int getCount(){
返回result.length;
}
@凌驾
公共对象getItem(int位置){
返回位置;
}
@凌驾
公共长getItemId(int位置){
返回位置;
}
公共类持有者
{
文本视图电视;
}
@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){
支架=新支架();
视图行视图=充气机。充气(R.layout.list_项,空);
holder.tv=(TextView)rowView.findViewById(R.id.textView1);
//holder.tv.setText(结果[位置]);
字符串span[]=结果[position]。拆分(“”);
SpannableString ss=新的SpannableString(结果[位置]);
ClickableSpan[]=新的ClickableSpan[span.length];
对于(int-spanCount=0;spanCount
list_item.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<TextView
android:id="@+id/textView1"
android:layout_gravity="center"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="25dp"
android:text="Hello World" />
</LinearLayout>
activity_main.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.shishupalshakya.spannablestringsample.MainActivity">
<ListView
android:id="@+id/listView"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
</ListView>
</RelativeLayout>
将上述代码嵌入到应用程序中并运行。您的问题需要深入使用SpannableString,Androider已经提供了一个很好的提示来解决您的问题,但您说您正在从数据库中动态获取单词,因此我在这里为您编写了一个代码,用于处理动态内容。我还没有测试过这个,希望它对你有用 MainActivity.java:
public class MainActivity extends AppCompatActivity {
ListView lv ;
public static String [] prgmNameList={"Android Dev","SpearHead Inc"}; // You can put dynamic strings in this array .
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lv=(ListView) findViewById(R.id.listView);
lv.setAdapter(new CustomAdapter(this, prgmNameList));
}
}
自定义适配器:
public class CustomAdapter extends BaseAdapter {
String [] result;
Context context;
private static LayoutInflater inflater=null;
public CustomAdapter(MainActivity activity, String[] prgmNameList) {
result = prgmNameList;
context = activity;
inflater = ( LayoutInflater )context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return result.length;
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
public class Holder
{
TextView tv;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
Holder holder=new Holder();
View rowView = inflater.inflate(R.layout.list_item, null);
holder.tv=(TextView) rowView.findViewById(R.id.textView1);
//holder.tv.setText(result[position]);
String span[] = result[position].split(" ") ;
SpannableString ss = new SpannableString(result[position]);
ClickableSpan spans[] = new ClickableSpan[span.length];
for(int spanCount = 0 ; spanCount < span.length ; spanCount++){
spans[spanCount] = new ClickableSpan() {
@Override
public void onClick(View textView) {
TextView v = (TextView)textView ;
String text = v.getText().toString() ;
Log.d("View" , text);
}
};
}
int start = 0 ;
int end ;
try {
for(int spanCount = 0 ; spanCount < span.length ; spanCount++){
end = span[spanCount].length()-1 ;
ss.setSpan(spans[spanCount], start, end , Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
start = span[spanCount].length()+1;
end = span[spanCount].length() + 2 + end ;
}
} catch (Exception e) {
e.printStackTrace();
}
holder.tv.setText(ss);
Log.d("SpannableString" , ss.toString());
return rowView;
}
}
公共类CustomAdapter扩展了BaseAdapter{
字符串[]结果;
语境;
专用静态充气机=空;
公共CustomAdapter(MainActivity活动,字符串[]prgmNameList){
结果=prgmNameList;
上下文=活动;
充气器=(LayoutFlater)context.getSystemService(context.LAYOUT\u充气器\u服务);
}
@凌驾
public int getCount(){
返回result.length;
}
@凌驾
公共对象getItem(int位置){
返回位置;
}
@凌驾
公共长getItemId(int位置){
返回位置;
}
公共类持有者
{
文本视图电视;
}
@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){
支架=新支架();
视图行视图=充气机。充气(R.layout.list_项,空);
holder.tv=(TextView)rowView.findViewById(R.id.textView1);
//holder.tv.setText(结果[位置]);
字符串span[]=结果[position]。拆分(“”);
SpannableString ss=新的SpannableString(结果[位置]);
ClickableSpan[]=新的ClickableSpan[span.length];
对于(int-spanCount=0;spanCount