在textview中搜索长文本的单词

问题描述

这是我的Java代码，我的textview中有一个大文本，我想搜索单词并将其突出显示，这样就很容易找到bt，我不想在输入编辑文本后立即创建按钮它应该突出显示该词。 这是我所做的工作，直到我在编辑文本中输入一些单词，但我希望突出显示的单词能帮助我

 public class sample extends AppCompatActivity implements  {
        TextView textView;
       EditText editText;
     
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_2);
            Toolbar toolbar = findViewById(R.id.toolbar);
            setSupportActionBar(toolbar);
            toolbar.setTitle("sample");
    
            if (getIntent().hasExtra("a1")) {
                 Stribg data= getIntent().getStringExtra("a1");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
    
            } else if (getIntent().hasExtra("a2")) {
                String data = getIntent().getStringExtra("a2");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a3")) {
                String data = getIntent().getStringExtra("a3");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a4")) {
                String data = getIntent().getStringExtra("a4");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a5")) {
                String data = getIntent().getStringExtra("a5");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a6")) {
                String data = getIntent().getStringExtra("a6");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a7")) {
                String data = getIntent().getStringExtra("a7");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a8")) {
                String data = getIntent().getStringExtra("a8");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a9")) {
                String data = getIntent().getStringExtra("a9");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a10")) {
                String data = getIntent().getStringExtra("a10");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a11")) {
                String data = getIntent().getStringExtra("a11");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a12")) {
                String data = getIntent().getStringExtra("a12");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a13")) {
                String data = getIntent().getStringExtra("a13");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a14")) {
                String data = getIntent().getStringExtra("a14");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a15")) {
                String data = getIntent().getStringExtra("a15");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a16")) {
                String data = getIntent().getStringExtra("a16");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a17")) {
                String data = getIntent().getStringExtra("a17");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            } else if (getIntent().hasExtra("a18")) {
                String data = getIntent().getStringExtra("a18");
                TextView textView = findViewById(R.id.Text1);
                textView.setText(data);
            }

       public void onClick(View view) {
            String textToHighlight=editText.getText().toString();
            String replaceWith="<span style='background-color:yellow'>"+textToHighlight+"</span>";
            String originalText = textView.getText().toString();
            String modifiedtext= originalText.replaceAll(textToHighlight,replaceWith);
            textView.setText(Html.fromHtml(modifiedtext));
        }
    }

解决方法

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