android.widget.TextView.length()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中android.widget.TextView.length()方法的一些代码示例，展示了TextView.length()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。TextView.length()方法的具体详情如下：
包路径：android.widget.TextView
类名称：TextView
方法名：length

TextView.length介绍

暂无

代码示例

代码示例来源：origin: hidroh/materialistic

@Override
  public void onReceivedTitle(WebView view, String title) {
    if (mTitleEditText.length() == 0) {
      mTitleEditText.setText(title);
    }
  }
});

代码示例来源：origin: hidroh/materialistic

private boolean validate() {
  mTitleLayout.setErrorEnabled(false);
  mContentLayout.setErrorEnabled(false);
  if (mTitleEditText.length() == 0) {
    mTitleLayout.setError(getString(R.string.title_required));
  }
  if (mContentEditText.length() == 0) {
    mContentLayout.setError(getString(R.string.url_text_required));
  }
  return mTitleEditText.length() > 0 && mContentEditText.length() > 0;
}

代码示例来源：origin: square/assertj-android

public S hasLength(int length) {
 isNotNull();
 int actualLength = actual.length();
 assertThat(actualLength) //
   .overridingErrorMessage("Expected length <%s> but was <%s>.", length, actualLength) //
   .isEqualTo(length);
 return myself;
}

代码示例来源：origin: hidroh/materialistic

@Override
protected void bind(SubmissionViewHolder holder, final Item item) {
  super.bind(holder, item);
  holder.mPostedTextView.setText(item.getDisplayedTime(mContext));
  holder.mPostedTextView.append(item.getDisplayedAuthor(mContext,
      !TextUtils.equals(item.getBy(), mUsername), 0));
  holder.mMoreButton.setVisibility(View.GONE);
  if (TextUtils.equals(item.getType(), Item.COMMENT_TYPE)) {
    holder.mTitleTextView.setText(null);
    holder.itemView.setOnClickListener(null);
    holder.mCommentButton.setVisibility(View.GONE);
  } else {
    holder.mTitleTextView.setText(item.getDisplayedTitle());
    holder.mCommentButton.setVisibility(View.VISIBLE);
    holder.mCommentButton.setOnClickListener(v -> openItem(item));
  }
  holder.mTitleTextView.setVisibility(holder.mTitleTextView.length() > 0 ?
      View.VISIBLE : View.GONE);
  holder.mContentTextView.setVisibility(holder.mContentTextView.length() > 0 ?
      View.VISIBLE : View.GONE);
  if (!mExpanded.contains(item.getId()) && item.getParentItem() != null) {
    mExpanded.add(item.getId());
    new Handler().post(() -> {
      mItems.add(0, item.getParentItem()); // recursive
      notifyItemInserted(0);
      notifyItemRangeChanged(1, mItems.size());
    });
  }
}

代码示例来源：origin: hidroh/materialistic

holder.mCommentButton.setText(R.string.view_story);
holder.mTitleTextView.setVisibility(holder.mTitleTextView.length() > 0 ?
    View.VISIBLE : View.GONE);
holder.mContentTextView.setVisibility(holder.mContentTextView.length() > 0 ?
    View.VISIBLE : View.GONE);
holder.mCommentButton.setVisibility(item.isDeleted() ? View.GONE : View.VISIBLE);

代码示例来源：origin: chiuki/advanced-textview

private void appendText(CharSequence text, Layout.Alignment align) {
 if (text == null || text.toString().trim().length() == 0) {
  return;
 }
 AlignmentSpan span = new AlignmentSpan.Standard(align);
 SpannableString spannableString = new SpannableString(text);
 spannableString.setSpan(span, 0, text.length(), 0);
 if (textView.length() > 0) {
  textView.append("\n\n");
 }
 textView.append(spannableString);
}

代码示例来源：origin: Ilhasoft/data-binding-validator

@Override
public boolean isValid(TextView view) {
  return view.length() <= value;
}

代码示例来源：origin: Ilhasoft/data-binding-validator

@Override
public boolean isValid(TextView view) {
  return view.length() >= value;
}

代码示例来源：origin: TinkoffCreditSystems/decoro

private void setSelection(int position) {
    if (textView instanceof EditText && position <= textView.length()) {
      ((EditText) textView).setSelection(position);
    }
  }
}

代码示例来源：origin: sorz/TinyKeePass

private void showTextViewOnlyIfNotEmpty(TextView view) {
  view.setVisibility(view.length() == 0 ? View.GONE : View.VISIBLE);
}

代码示例来源：origin: pmbento/karmadetector

private void addToLog(String content) {
  final int LOG_MAX_BUFFER = 2000;
  // lame log rotation implementation
  if (textViewLog.length() > LOG_MAX_BUFFER)
    textViewLog.setText(textViewLog.getText().toString().substring(100, textViewLog.length()));
  String currentDateTimeString = DateFormat.getDateTimeInstance().format(new Date());
  textViewLog.append(currentDateTimeString + ": " + content + "\n");
}

代码示例来源：origin: com.squareup.assertj/assertj-android

public S hasLength(int length) {
 isNotNull();
 int actualLength = actual.length();
 assertThat(actualLength) //
   .overridingErrorMessage("Expected length <%s> but was <%s>.", length, actualLength) //
   .isEqualTo(length);
 return myself;
}

代码示例来源：origin: stackoverflow.com

TextView myTextView = (TextView) findViewById(R.id.my_text_view);
myTextView .setText("$29,500", TextView.BufferType.SPANNABLE);
final StrikethroughSpan STRIKE_THROUGH_SPAN = new StrikethroughSpan();
Spannable spannable = (Spannable) myTextView.getText();
spannable.setSpan(STRIKE_THROUGH_SPAN, 0, myTextView.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
myTextView.setText(spannable);

代码示例来源：origin: AnandChowdhary/saga-android

@Override
  public boolean onEditorAction(TextView textView, int i, KeyEvent keyEvent) {
    if (i == EditorInfo.IME_ACTION_DONE) {
      if (textView.length() > 0) {
        mClearButton.setVisibility(View.GONE);
        mSearchProgress.setVisibility(View.VISIBLE);
        getSearchResults(textView.getText().toString());
      } else {
        Toast.makeText(getApplicationContext(), getString(R.string.enter_song), Toast.LENGTH_SHORT).show();
      }
      return true;
    }
    return false;
  }
});

代码示例来源：origin: stackoverflow.com

paintText.getTextBounds(text, 0, textView.length(), boundsText);
paintText.setTextAlign(Align.CENTER);

代码示例来源：origin: percolate/mentions

/**
 * Highlights all the {@link Mentionable}s in the test {@link Comment}.
 */
private void highlightMentions(final TextView commentTextView, final List<Mentionable> mentions) {
  if(commentTextView != null && mentions != null && !mentions.isEmpty()) {
    final Spannable spannable = new SpannableString(commentTextView.getText());
    for (Mentionable mention: mentions) {
      if (mention != null) {
        final int start = mention.getMentionOffset();
        final int end = start + mention.getMentionLength();
        if (commentTextView.length() >= end) {
          spannable.setSpan(new ForegroundColorSpan(orange), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
          commentTextView.setText(spannable, TextView.BufferType.SPANNABLE);
        } else {
          //Something went wrong.  The expected text that we're trying to highlight does not
          // match the actual text at that position.
          Log.w("Mentions Sample", "Mention lost. [" + mention + "]");
        }
      }
    }
  }
}

代码示例来源：origin: onionApps/Chat.onion

void update() {
  Tor tor = Tor.getInstance(getContext());
  setVisibility(!tor.isReady() ? View.VISIBLE : View.GONE);
  String status = tor.getStatus();
  int i = status.indexOf(']');
  if (i >= 0) status = status.substring(i + 1);
  status = status.trim();
  TextView view = (TextView) findViewById(R.id.status);
  String prefix = "Bootstrapped";
  if (status.contains("%") && status.length() > prefix.length() && status.startsWith(prefix)) {
    status = status.substring(prefix.length());
    status = status.trim();
    view.setText(status);
  } else if (view.length() == 0) {
    view.setText("Starting...");
  }
}

代码示例来源：origin: stackoverflow.com

public class LinkTransformationMethod implements TransformationMethod {

  @Override
  public CharSequence getTransformation(CharSequence source, View view) {
    if (view instanceof TextView) {
      TextView textView = (TextView) view;
      Linkify.addLinks(textView, Linkify.WEB_URLS);
      String stringText = textView.getText().toString();
      Spannable text = (Spannable) textView.getText();
      URLSpan[] spans = text.getSpans(0, textView.length(), URLSpan.class);
      for (int i = spans.length - 1; i >= 0; i--) {
        URLSpan oldSpan = spans[i];
        text.removeSpan(oldSpan);
        String url = oldSpan.getURL();
        int startIndex = stringText.indexOf(url);
        int lastIndex = startIndex + url.length();
        text.setSpan(new CustomTabsURLSpan(url), startIndex, lastIndex, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
      }
      return text;
    }
    return source;
  }

  @Override
  public void onFocusChanged(View view, CharSequence sourceText, boolean focused, int direction, Rect previouslyFocusedRect) {

  }
}

代码示例来源：origin: stackoverflow.com

// make "dolor" (characters 12 to 17) display a toast message when touched
 ClickableSpan clickableSpan = new ClickableSpan() {
   @Override
   public void onClick(View view) {
     TextView textView = (TextView) view;
     CharSequence charSequence = textView.getText();
     if (charSequence instanceof Spannable) {
       Spannable spannableText = (Spannable)charSequence;
       ClickableSpan[] spans = spannableText.getSpans(0, textView.length(), ClickableSpan.class);
       for (ClickableSpan span : spans) {
         int start = spannableText.getSpanStart(span);
         int end = spannableText.getSpanEnd(span);
         Toast.makeText(MainActivity.this, charSequence.subSequence(start, end), Toast.LENGTH_LONG).show();
       }
     }
   }
 };

代码示例来源：origin: MCMrARM/revolution-irc

public void applySelectionTo(View view, int position) {
  TextView textView = findTextViewIn(view);
  if (textView == null)
    return;
  int selStartIndex = ((AdapterInterface) mRecyclerView.getAdapter())
      .getItemPosition(mSelectionStartId);
  int selEndIndex = ((AdapterInterface) mRecyclerView.getAdapter())
      .getItemPosition(mSelectionEndId);
  if (position >= selStartIndex && position <= selEndIndex) {
    if (selStartIndex == selEndIndex)
      TextSelectionHelper.setSelection(textView.getContext(),
          (Spannable) textView.getText(), mSelectionStartOffset, mSelectionEndOffset);
    else if (position == selStartIndex)
      TextSelectionHelper.setSelection(textView.getContext(),
          (Spannable) textView.getText(), mSelectionStartOffset, textView.length());
    else if (position == selEndIndex)
      TextSelectionHelper.setSelection(textView.getContext(),
          (Spannable) textView.getText(), 0, mSelectionEndOffset);
    else
      TextSelectionHelper.setSelection(textView.getContext(),
          (Spannable) textView.getText(), 0, textView.length());
  } else {
    TextSelectionHelper.removeSelection((Spannable) textView.getText());
  }
}

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