我有文本“Android是一个软件堆栈”。在这个文本中,我想设置“堆栈”文本为可点击。所以,如果你点击它,它将重定向到一个新的活动(不在浏览器中)。

我试过了,但没有找到解决办法。


当前回答

你可以像本文中描述的那样使用ClickableSpan

示例代码:

TextView myTextView = new TextView(this);
String myString = "Some text [clickable]";
int i1 = myString.indexOf("[");
int i2 = myString.indexOf("]");
myTextView.setMovementMethod(LinkMovementMethod.getInstance());
myTextView.setText(myString, BufferType.SPANNABLE);
Spannable mySpannable = (Spannable)myTextView.getText();
ClickableSpan myClickableSpan = new ClickableSpan() {
   @Override
   public void onClick(View widget) { /* do something */ }
};
mySpannable.setSpan(myClickableSpan, i1, i2 + 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

参考

其他回答

您可以使用此方法设置可点击的值

public void setClickableString(String clickableValue, String wholeValue, TextView yourTextView){
    String value = wholeValue;
    SpannableString spannableString = new SpannableString(value);
    int startIndex = value.indexOf(clickableValue);
    int endIndex = startIndex + clickableValue.length();
    spannableString.setSpan(new ClickableSpan() {
                                @Override
                                public void updateDrawState(TextPaint ds) {
                                    super.updateDrawState(ds);
                                    ds.setUnderlineText(false); // <-- this will remove automatic underline in set span
                                }

                                @Override
                                public void onClick(View widget) {
                                    // do what you want with clickable value
                                }
                            }, startIndex, endIndex, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
    yourTextView.setText(spannableString);
    yourTextView.setMovementMethod(LinkMovementMethod.getInstance()); // <-- important, onClick in ClickableSpan won't work without this
}

下面是如何使用它:

TextView myTextView = findViewById(R.id.myTextView);
setClickableString("stack", "Android is a Software stack", myTextView);

大胆的,

mySpannable.setSpan(new StyleSpan(Typeface.BOLD),termStart,termStop,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

Phan Van Linh回答的版本。

请注意它有一些小的改动。

fun makeLinks(textView: TextView, links: Array<String>, clickableSpans: Array<ClickableSpan>) {
    val spannableString = SpannableString(textView.text)

    for (i in links.indices) {
        val clickableSpan = clickableSpans[i]
        val link = links[i]

        val startIndexOfLink = textView.text.indexOf(link)

        spannableString.setSpan(clickableSpan, startIndexOfLink, startIndexOfLink + link.length,
                Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
    }

    textView.movementMethod = LinkMovementMethod.getInstance()
    textView.setText(spannableString, TextView.BufferType.SPANNABLE)
}

fun setupClickableTextView() {
    val termsOfServicesClick = object : ClickableSpan() {
        override fun onClick(p0: View?) {
            Toast.makeText(applicationContext, "ToS clicked", Toast.LENGTH_SHORT).show()
        }
    }

    val privacyPolicyClick = object : ClickableSpan() {
        override fun onClick(p0: View?) {
            Toast.makeText(applicationContext, "PP clicked", Toast.LENGTH_SHORT).show()
        }
    }

    makeLinks(termsTextView, arrayOf("terms", "privacy policy"), arrayOf(termsOfServicesClick, privacyPolicyClick))
}

您可以使用示例代码。您希望了解关于ClickableSpan的详细信息。请检查这份文件

  SpannableString myString = new SpannableString("This is example");
            
            ClickableSpan clickableSpan = new ClickableSpan() {
                    @Override
                    public void onClick(View textView) {
                        ToastUtil.show(getContext(),"Clicked Smile ");
                    }
                };
        
        //For Click
         myString.setSpan(clickableSpan,startIndex,lastIndex,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
        
        //For UnderLine
         myString.setSpan(new UnderlineSpan(),startIndex,lastIndex,0);
        
        //For Bold
        myString.setSpan(new StyleSpan(Typeface.BOLD),startIndex,lastIndex,0);
        
        //Finally you can set to textView. 
        
        TextView textView = (TextView) findViewById(R.id.txtSpan);
        textView.setText(myString);
        textView.setMovementMethod(LinkMovementMethod.getInstance());

Java解决方案(更新2022年)

特点:

允许多个点击时,有重复的词。 可以为每个重复的单词量身定制特定的命令。

我以daler445的代码为基础,允许对重复的单词使用多个可单击的命令。

在Java课上:

public class MainActivity extends AppCompatActivity {
    SharedPreferences sp;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        sp = getSharedPreferences("MyUserPrefs", Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = sp.edit();

        TextView fulltext = (TextView) findViewById(R.id.fulltext);

        //replace setText("") to setText("Android is a Software stack") for his case
        fulltext.setText("Search [1] this full [1] text with repeated strings. Search [2] Search [3] full [2] full [3]");

        List<Pair<String, View.OnClickListener>> links = new ArrayList<>();

        //replace "Search" with "stack" for his case
        String stringtohyperlink = "Search";
        String stringtohyperlink2 = "full";

        links.add(new Pair<>(stringtohyperlink, new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String position = sp.getString("position","0");
                if (position.equals("1")) {
                    Toast.makeText(MainActivity.this, "Search 1 has been Clicked.", Toast.LENGTH_SHORT).show();
                    editor.putString("position","0");
                    editor.apply();
                }
                if (position.equals("2")) {
                    Toast.makeText(MainActivity.this, "Search 2 has been Clicked.", Toast.LENGTH_SHORT).show();
                    editor.putString("position","0");
                    editor.apply();
                }
                if (position.equals("3")) {
                    Toast.makeText(MainActivity.this, "Search 3 has been Clicked.", Toast.LENGTH_SHORT).show();
                    editor.putString("position","0");
                    editor.apply();
                }
            }
        }));

        links.add(new Pair<>(stringtohyperlink2, new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String position = sp.getString("position","0");
                if (position.equals("1")) {
                    Toast.makeText(MainActivity.this, "full 1 has been Clicked.", Toast.LENGTH_SHORT).show();
                    editor.putString("position","0");
                    editor.apply();
                }
                if (position.equals("2")) {
                    Toast.makeText(MainActivity.this, "full 2 has been Clicked.", Toast.LENGTH_SHORT).show();
                    editor.putString("position","0");
                    editor.apply();
                }
                if (position.equals("3")) {
                    Toast.makeText(MainActivity.this, "full 3 has been Clicked.", Toast.LENGTH_SHORT).show();
                    editor.putString("position","0");
                    editor.apply();
                }
            }
        }));


        makeLinks(fulltext, links);


    }

    public void makeLinks(TextView textView, List<Pair<String, View.OnClickListener>> links) {
        SpannableString spannableString = new SpannableString(textView.getText().toString());

        int startIndexState = -1;
        SharedPreferences.Editor editor = sp.edit();

        for (Pair<String, View.OnClickListener> link : links) {
            ClickableSpan clickableSpan = new ClickableSpan() {
                @Override
                public void onClick(@NonNull View widget) {
                    editor.putString("position","1");
                    editor.apply();

                    widget.invalidate();
                    assert link.second != null;
                    link.second.onClick(widget);
                }
            };
            ClickableSpan clickableSpan2 = new ClickableSpan() {
                @Override
                public void onClick(@NonNull View widget) {
                    editor.putString("position","2");
                    editor.apply();

                    widget.invalidate();
                    assert link.second != null;
                    link.second.onClick(widget);
                }
            };

            ClickableSpan clickableSpan3 = new ClickableSpan() {
                @Override
                public void onClick(@NonNull View widget) {
                    editor.putString("position","3");
                    editor.apply();

                    widget.invalidate();
                    assert link.second != null;
                    link.second.onClick(widget);
                }
            };
            //... This only allows for 3 repeated words
            //... Add more of it, if there are more repeated words.

            assert link.first != null;
            int startIndexOfLink = textView.getText().toString().indexOf(link.first, startIndexState + 1);
            spannableString.setSpan(clickableSpan, startIndexOfLink, startIndexOfLink + link.first.length(), Spanned.SPAN_EXCLUSIVE_INCLUSIVE);

            int startIndexOfLink2 = textView.getText().toString().indexOf(link.first, startIndexOfLink + 1);
            if (startIndexOfLink2 != -1) {
                spannableString.setSpan(clickableSpan2, startIndexOfLink2, startIndexOfLink2 + link.first.length(), Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
            }

            int startIndexOfLink3 = textView.getText().toString().indexOf(link.first, startIndexOfLink2 + 1);
            if (startIndexOfLink3 != -1) {
                spannableString.setSpan(clickableSpan3, startIndexOfLink3, startIndexOfLink3 + link.first.length(), Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
            }
            //... This only allows for 3 repeated words
            //... Add more of it, if there are more repeated words.

            textView.setMovementMethod(LinkMovementMethod.getInstance());
            textView.setText(spannableString, TextView.BufferType.SPANNABLE);
        }
    }
}

在xml

  <TextView
        android:id="@+id/fulltext"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="TextView"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

Demo