Question

我遇到以下错误，我不知道我的代码有什么问题。当其粗体和斜体然后斜体文本有时被删除，有时没有，然后出现此错误。

2018-11-10 19：34：03.032 16997-16997 / com.pilum.apps.primalnotes E / Android运行时：致命异常：主要流程：com.pilum.apps.primalnotes，PID：16997 java.lang.IndexOutOfBoundsException： setSpan（-1 ... -1）在0之前开始 在android.text.SpannableStringBuilder.checkRange（SpannableStringBuilder.java:1314）在android.text.SpannableStringBuilder.setSpan（SpannableStringBuilder.java:680）在android.text.SpannableStringBuilder.setSpan（SpannableStringBuilder.java:672）在com.apps.primalnotes.Fragments.EditorFragment.italicText2（EditorFragment.java:393） at com.apps.primalnotes.Fragments.EditorFragment.access $ 300（EditorFragment.java:48）在com.apps.primalnotes.Fragments.EditorFragment $ 5.onClick（EditorFragment.java:129）在android.view.View.performClick（View.java:6877）在android.view.View $ PerformClick.run（View.java:26069）在android.os.Handler.handleCallback（Handler.java:789）在android.os.Handler.dispatchMessage（Handler.java:98）在android.os.Looper.loop（Looper.java:164）在android.app.ActivityThread.main（ActivityThread.java:6938）在java.lang.reflect.Method.invoke（本机方法）在com.android.internal.os.Zygote $ MethodAndArgsCaller.run（Zygote.java:327）在com.android.internal.os.ZygoteInit.main（ZygoteInit.java:1374）

 private void italicText2(){
      boolean italicExists = false;
      Spannable str = texto.getText();
      int selStart = texto.getSelectionStart();
      int selEnd = texto.getSelectionEnd();
      StyleSpan[] styleSpans = texto.getText().getSpans(selStart, selEnd, StyleSpan.class);

      for (StyleSpan styleSpan : styleSpans) {

          int oldStyle = styleSpan.getStyle();
          int spanStart = str.getSpanStart(styleSpan);
          int spanEnd = str.getSpanEnd(styleSpan);

          if (spanStart < texto.getSelectionStart()) {
              str.setSpan(new StyleSpan(oldStyle), spanStart, selStart, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
          }

          if (spanEnd > texto.getSelectionEnd()) {
              str.setSpan(new StyleSpan(oldStyle), selEnd, spanEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
          }
          if (selEnd > selStart) {
              if (oldStyle == Typeface.ITALIC) {
                  str.removeSpan(styleSpan);
                  italicExists = true;
              }
              if (oldStyle == Typeface.BOLD_ITALIC) {
                  str.setSpan(new StyleSpan(Typeface.BOLD), spanStart, spanEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
                  italicExists = false;
              }
          }

      }

      if (!italicExists) {
          Log.d("Tag", "italic section entered");
          if (styleSpans.length > 0) {
              int lastSpanEnd = 0;
              for (StyleSpan styleSpan : styleSpans) {
                  int oldStyle = styleSpan.getStyle();
                  int spanStart = str.getSpanStart(styleSpan);
                  int spanEnd = str.getSpanEnd(styleSpan);


                  if (spanStart > lastSpanEnd) {
                      str.setSpan(new StyleSpan(Typeface.ITALIC), lastSpanEnd, spanStart, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
                      Log.d("TAG", "if italic");
                  }

                  lastSpanEnd = spanEnd;
                  str.removeSpan(styleSpan);

                  if (oldStyle == Typeface.BOLD) {
                      str.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), spanStart, spanEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
                      Log.d("TAG", "Bold and Italic");
                  }
                  else {
                      **str.setSpan(new StyleSpan(Typeface.ITALIC), spanStart, spanEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);**
                      Log.d("TAG", "else italic");
                  }

                  if (spanStart < texto.getSelectionStart()) {
                      str.setSpan(new StyleSpan(oldStyle), spanStart, selStart, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
                      Log.d("TAG", "oldstyle italic");
                  }

                  if (spanEnd > texto.getSelectionEnd()) {
                      str.setSpan(new StyleSpan(oldStyle), selEnd, spanEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
                      Log.d("TAG", "old style end italic");
                  }
              }

              if (selEnd != lastSpanEnd) {
                  str.setSpan(new StyleSpan(Typeface.ITALIC), selStart, selEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
              }
          }

我收到了setpan错误，setpan在0之前开始

0 个答案: