Example usage for java.lang CharSequence charAt

List of usage examples for java.lang CharSequence charAt

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Introduction

In this page you can find the example usage for java.lang CharSequence charAt.

Prototype

char charAt(int index);

Source Link

Document

Returns the char value at the specified index.

Usage

From source file:org.noise_planet.noisecapture.CommentActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_comment);

    View mainView = findViewById(R.id.mainLayout);
    if (mainView != null) {
        mainView.setOnTouchListener(new MainOnTouchListener(this));
    }/*from   w ww.j  a  va  2 s.  c  om*/

    // Read record activity parameter
    // Use last record of no parameter provided
    this.measurementManager = new MeasurementManager(this);
    Intent intent = getIntent();
    // Read the last stored record
    List<Storage.Record> recordList = measurementManager.getRecords();
    if (intent != null && intent.hasExtra(COMMENT_RECORD_ID)) {
        record = measurementManager.getRecord(intent.getIntExtra(COMMENT_RECORD_ID, -1));
    } else {
        if (!recordList.isEmpty()) {
            record = recordList.get(0);
        } else {
            // Message for starting a record
            Toast.makeText(getApplicationContext(), getString(R.string.no_results), Toast.LENGTH_LONG).show();
            return;
        }
    }
    if (record != null) {
        View addPhoto = findViewById(R.id.btn_add_photo);
        addPhoto.setOnClickListener(new OnAddPhotoClickListener(this));
        View resultsBtn = findViewById(R.id.resultsBtn);
        resultsBtn.setOnClickListener(new OnGoToResultPage(this));
        View deleteBts = findViewById(R.id.deleteBtn);
        deleteBts.setOnClickListener(new OnDeleteMeasurement(this));
        TextView noisePartyTag = (TextView) findViewById(R.id.edit_noiseparty_tag);
        noisePartyTag.setEnabled(record.getUploadId().isEmpty());
        noisePartyTag.setFilters(new InputFilter[] { new InputFilter.AllCaps(), new InputFilter() {
            @Override
            public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart,
                    int dend) {
                // [^A-Za-z0-9_]
                StringBuilder stringBuilder = new StringBuilder();
                for (int i = start; i < end; i++) {
                    char c = source.charAt(i);
                    if (Character.isLetterOrDigit(c) || c == '_') {
                        stringBuilder.append(c);
                    }
                }

                // keep original if unchanged or return swapped chars
                boolean modified = (stringBuilder.length() == end - start);
                return modified ? null : stringBuilder.toString();
            }
        } });
        if (record.getNoisePartyTag() == null) {
            // Read last stored NoiseParty id
            for (Storage.Record recordItem : recordList) {
                if (recordItem.getId() != record.getId()) {
                    if (recordItem.getNoisePartyTag() != null) {
                        noisePartyTag.setText(recordItem.getNoisePartyTag());
                    }
                    break;
                }
            }
        } else {
            noisePartyTag.setText(record.getNoisePartyTag());
        }
    }
    initDrawer(record != null ? record.getId() : null);
    SeekBar seekBar = (SeekBar) findViewById(R.id.pleasantness_slider);

    // Load stored user comment
    // Pleasantness and tags are read only if the record has been uploaded
    Map<String, Storage.TagInfo> tagToIndex = new HashMap<>(Storage.TAGS_INFO.length);
    for (Storage.TagInfo sysTag : Storage.TAGS_INFO) {
        tagToIndex.put(sysTag.name, sysTag);
    }

    View thumbnail = findViewById(R.id.image_thumbnail);
    thumbnail.setOnClickListener(new OnImageClickListener(this));
    if (record != null) {
        // Load selected tags
        for (String sysTag : measurementManager.getTags(record.getId())) {
            Storage.TagInfo tagInfo = tagToIndex.get(sysTag);
            if (tagInfo != null) {
                checkedTags.add(tagInfo.id);
            }
        }
        // Load description
        if (record.getDescription() != null) {
            TextView description = (TextView) findViewById(R.id.edit_description);
            description.setText(record.getDescription());
        }
        Integer pleasantness = record.getPleasantness();
        if (pleasantness != null) {
            seekBar.setProgress((int) (Math.round((pleasantness / 100.0) * seekBar.getMax())));
            seekBar.setThumb(
                    seekBar.getResources().getDrawable(R.drawable.seekguess_scrubber_control_normal_holo));
            userInputSeekBar.set(true);
        } else {
            seekBar.setThumb(
                    seekBar.getResources().getDrawable(R.drawable.seekguess_scrubber_control_disabled_holo));
        }
        photo_uri = record.getPhotoUri();
        // User can only update not uploaded data
        seekBar.setEnabled(record.getUploadId().isEmpty());
    } else {
        // Message for starting a record
        Toast.makeText(getApplicationContext(), getString(R.string.no_results), Toast.LENGTH_LONG).show();
    }
    thumbnailImageLayoutDoneObserver = new OnThumbnailImageLayoutDoneObserver(this);
    thumbnail.getViewTreeObserver().addOnGlobalLayoutListener(thumbnailImageLayoutDoneObserver);

    seekBar.setOnSeekBarChangeListener(new OnSeekBarUserInput(userInputSeekBar));
    // Fill tags grid
    Resources r = getResources();
    String[] tags = r.getStringArray(R.array.tags);
    // Append tags items
    for (Storage.TagInfo tagInfo : Storage.TAGS_INFO) {
        ViewGroup tagContainer = (ViewGroup) findViewById(tagInfo.location);
        if (tagContainer != null && tagInfo.id < tags.length) {
            addTag(tags[tagInfo.id], tagInfo.id, tagContainer,
                    tagInfo.color != -1 ? r.getColor(tagInfo.color) : -1);
        }
    }
}

From source file:com.jecelyin.editor.v2.core.text.TextUtils.java

public static int getOffsetAfter(CharSequence text, int offset) {
    int len = text.length();

    if (offset == len)
        return len;
    if (offset == len - 1)
        return len;

    char c = text.charAt(offset);

    if (c >= '\uD800' && c <= '\uDBFF') {
        char c1 = text.charAt(offset + 1);

        if (c1 >= '\uDC00' && c1 <= '\uDFFF')
            offset += 2;// ww w.ja  va  2 s.  c o m
        else
            offset += 1;
    } else {
        offset += 1;
    }

    if (text instanceof Spanned) {
        ReplacementSpan[] spans = ((Spanned) text).getSpans(offset, offset, ReplacementSpan.class);

        for (int i = 0; i < spans.length; i++) {
            int start = ((Spanned) text).getSpanStart(spans[i]);
            int end = ((Spanned) text).getSpanEnd(spans[i]);

            if (start < offset && end > offset)
                offset = end;
        }
    }

    return offset;
}

From source file:me.philio.pinentry.PinEntryView.java

/**
 * Create views and add them to the view group
 *//*from   www  . ja v a2 s . c o  m*/
@TargetApi(21)
private void addViews() {
    // Add a digit view for each digit
    for (int i = 0; i < mDigits; i++) {
        DigitView digitView = new DigitView(getContext());
        digitView.setWidth(mDigitWidth);
        digitView.setHeight(mDigitHeight);
        digitView.setBackgroundResource(mDigitBackground);
        digitView.setTextColor(mDigitTextColor);
        digitView.setTextSize(mDigitTextSize);
        digitView.setGravity(Gravity.CENTER);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            digitView.setElevation(mDigitElevation);
        }
        addView(digitView);
    }

    // Add an "invisible" edit text to handle input
    mEditText = new EditText(getContext());
    mEditText.setBackgroundColor(ContextCompat.getColor(getContext(), android.R.color.transparent));
    mEditText.setTextColor(ContextCompat.getColor(getContext(), android.R.color.transparent));
    mEditText.setCursorVisible(false);
    mEditText.setFilters(new InputFilter[] { new InputFilter.LengthFilter(mDigits) });
    mEditText.setInputType(InputType.TYPE_CLASS_NUMBER);
    mEditText.setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI);
    mEditText.setPadding(mEditText.getPaddingLeft(), mEditText.getPaddingTop(), mEditText.getPaddingRight(),
            100);
    mEditText.setOnFocusChangeListener(new OnFocusChangeListener() {
        @Override
        public void onFocusChange(View v, boolean hasFocus) {
            // Update the selected state of the views
            int length = mEditText.getText().length();
            for (int i = 0; i < mDigits; i++) {
                getChildAt(i)
                        .setSelected(hasFocus && (mAccentType == ACCENT_ALL || (mAccentType == ACCENT_CHARACTER
                                && (i == length || (i == mDigits - 1 && length == mDigits)))));
            }

            // Make sure the cursor is at the end
            mEditText.setSelection(length);

            // Provide focus change events to any listener
            if (mOnFocusChangeListener != null) {
                mOnFocusChangeListener.onFocusChange(PinEntryView.this, hasFocus);
            }
        }
    });
    mEditText.addTextChangedListener(new TextWatcher() {
        @Override
        public void beforeTextChanged(CharSequence s, int start, int count, int after) {
        }

        @Override
        public void onTextChanged(CharSequence s, int start, int before, int count) {
        }

        @Override
        public void afterTextChanged(Editable s) {
            int length = s.length();
            for (int i = 0; i < mDigits; i++) {
                if (s.length() > i) {
                    String mask = mMask == null || mMask.length() == 0 ? String.valueOf(s.charAt(i)) : mMask;
                    ((TextView) getChildAt(i)).setText(mask);
                } else {
                    ((TextView) getChildAt(i)).setText("");
                }
                if (mEditText.hasFocus()) {
                    getChildAt(i).setSelected(mAccentType == ACCENT_ALL || (mAccentType == ACCENT_CHARACTER
                            && (i == length || (i == mDigits - 1 && length == mDigits))));
                }
            }

            if (length == mDigits && mPinEnteredListener != null) {
                mPinEnteredListener.pinEntered(s.toString());
            }
        }
    });
    addView(mEditText);
}

From source file:eu.stratosphere.types.StringValue.java

@Override
public Appendable append(CharSequence csq, int start, int end) {
    final int otherLen = end - start;
    grow(this.len + otherLen);
    for (int pos = start; pos < end; pos++) {
        this.value[this.len + pos] = csq.charAt(pos);
    }/*  w  ww. j a v  a 2 s  .  c o  m*/
    this.len += otherLen;
    return this;
}

From source file:edu.cornell.med.icb.goby.util.SimulateBisulfiteReads.java

protected void writeTrueRatesMutations(DoubleList methylationRates, CharSequence segmentBases, int from,
        Writer writer) throws IOException {

    PrintWriter trueRateWriter = new PrintWriter(writer);
    writeTrueRatesBisulfite(methylationRates, segmentBases, from, new StringWriter());
    trueRateWriter.printf("%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s%n", "index", "methylationRate", "strand",
            "chromosome", "position", "fromBase", "toBase", "context");
    DoubleIterator it = methylationRates.iterator();

    for (int i = 0; i < segmentBases.length(); i++) {
        char fromBaseForward = segmentBases.charAt(i);

        if (fromBaseForward == 'C') {
            final int genomicPosition = i + from;
            if (!it.hasNext()) {
                it = methylationRates.iterator();
            }/*  w  ww. jav a2s .  c  o  m*/
            char toBase = '.';
            final double value = it.nextDouble();
            if (value == 1) {
                toBase = 'C';
            } else if (value == 0) {
                toBase = 'G';
            }

            methylationForward.put(genomicPosition, value);
            final double getterValue = getMethylationRateAtPosition(false, genomicPosition);
            assert getterValue == value;
            trueRateWriter.printf("%d\t%g\t+1\t%s\t%d\t%c\t%c\t%s%n", i, value, refChoice, genomicPosition + 1,
                    fromBaseForward, toBase, context(i, segmentBases));
        }
    }
    trueRateWriter.close();
}

From source file:StringUtil.java

/**
 * Converts char sequence into byte array. Chars are truncated to byte size.
 *//*from  ww  w.  ja v  a2  s.  co m*/
public static byte[] toByteArray(CharSequence charSequence) {
    if (charSequence == null) {
        return null;
    }
    byte[] barr = new byte[charSequence.length()];
    for (int i = 0; i < barr.length; i++) {
        barr[i] = (byte) charSequence.charAt(i);
    }
    return barr;
}

From source file:StringUtil.java

/**
 * Converts char sequence into ASCII array.
 *//*from  w w w  .  jav a2s  . c o m*/
public static byte[] toAsciiArray(CharSequence charSequence) {
    if (charSequence == null) {
        return null;
    }
    byte[] barr = new byte[charSequence.length()];
    for (int i = 0; i < barr.length; i++) {
        barr[i] = (byte) toAscii(charSequence.charAt(i));
    }
    return barr;
}

From source file:com.anysoftkeyboard.keyboards.views.AnyKeyboardViewBase.java

private static boolean isLabelOfPictographic(CharSequence label) {
    if (label.length() == 0)
        return false;
    final char hs = label.charAt(0);

    if (0xd800 <= hs && hs <= 0xdbff) {
        return true;
    } else if (Character.isHighSurrogate(hs)) {
        return true;
    }/*from  w w  w.j a  v a2 s .  c om*/
    return false;
}

From source file:github.daneren2005.dsub.util.Util.java

public static int getStringDistance(CharSequence s, CharSequence t) {
    if (s == null || t == null) {
        throw new IllegalArgumentException("Strings must not be null");
    }/*from   w  w w.  j av a  2s  .  co m*/

    int n = s.length();
    int m = t.length();

    if (n == 0) {
        return m;
    } else if (m == 0) {
        return n;
    }

    if (n > m) {
        final CharSequence tmp = s;
        s = t;
        t = tmp;
        n = m;
        m = t.length();
    }

    int p[] = new int[n + 1];
    int d[] = new int[n + 1];
    int _d[];

    int i;
    int j;
    char t_j;
    int cost;

    for (i = 0; i <= n; i++) {
        p[i] = i;
    }

    for (j = 1; j <= m; j++) {
        t_j = t.charAt(j - 1);
        d[0] = j;

        for (i = 1; i <= n; i++) {
            cost = s.charAt(i - 1) == t_j ? 0 : 1;
            d[i] = Math.min(Math.min(d[i - 1] + 1, p[i] + 1), p[i - 1] + cost);
        }

        _d = p;
        p = d;
        d = _d;
    }

    return p[n];
}

From source file:com.googlecode.eyesfree.brailleback.DisplayManager.java

private void calculateSplitPoints() {
    mSplitPoints.clear();/* www. j a v a  2  s .  c  om*/
    if (!mCurrentContent.isSplitParagraphs()) {
        return;
    }
    CharSequence text = mCurrentContent.mText;
    for (int i = 0; i < text.length() - 1; ++i) {
        if (text.charAt(i) == '\n') {
            mSplitPoints.append(textToDisplayPosition(mTranslationResult, mCursorPosition, i + 1), 1);
        }
    }
}