android.text.TextUtils.TruncateAt Java Examples

/**
 * Creates a view into which preview text can be placed.
 */
private TextView createPreviewTextView(Context context) {
    final LayoutParams params = new LayoutParams(
            LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
    final TextView textView = new TextView(context);
    textView.setLayoutParams(params);
    textView.setSingleLine(true);
    textView.setEllipsize(TruncateAt.MIDDLE);
    textView.setGravity(Gravity.CENTER);
    textView.setAlpha(0f);

    // Manually propagate inherited layout direction.
    textView.setLayoutDirection(mList.getLayoutDirection());

    return textView;
}
 

@SuppressWarnings("deprecation")
private IndicatorPopup(View anchor, int popupColor, int popupSize, int textSize, int marginRight,
		int popupAnimationStyle) {
	super();
	this.anchor = anchor;
	this.popupSize = popupSize;
	this.marginRight = marginRight;
	this.bubbleView = new TextView(anchor.getContext());
	bubbleView.setGravity(Gravity.CENTER);
	bubbleView.setTextColor(Color.WHITE);
	bubbleView.setSingleLine();
	bubbleView.setBackgroundDrawable(new BubbleDrawable(popupColor));
	bubbleView.setEllipsize(TruncateAt.END);
	bubbleView.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);
	this.popupWindow = new PopupWindow(bubbleView, popupSize, popupSize, false);
	popupWindow.setAnimationStyle(popupAnimationStyle);
}
 

private CharSequence getTruncatedText(int availWidth) {
    final TextPaint paint = getPaint();

    // Calculate the width the template takes.
    final String emptyTemplate = String.format(mTemplate, "");
    final float emptyTemplateWidth = paint.measureText(emptyTemplate);

    // Calculate the available width for the content.
    final float contentWidth = Math.max(availWidth - emptyTemplateWidth, 0.f);

    // Ellipsize the content to the available width.
    CharSequence clipped = TextUtils.ellipsize(mContent, paint, contentWidth, TruncateAt.END);

    // Build the full string, which should fit within availWidth.
    return String.format(mTemplate, clipped);
}
 

@Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  final int size = MeasureSpec.getSize(widthMeasureSpec);
  final int mode = MeasureSpec.getMode(widthMeasureSpec);
  if (!useSystemEmoji()                                            &&
      getEllipsize() == TruncateAt.END                             &&
      !TextUtils.isEmpty(source)                                   &&
      (mode == MeasureSpec.AT_MOST || mode == MeasureSpec.EXACTLY) &&
      getPaint().breakText(source, 0, source.length()-1, true, size, null) != source.length())
  {
    needsEllipsizing = true;
    FontMetricsInt font = getPaint().getFontMetricsInt();
    super.onMeasure(MeasureSpec.makeMeasureSpec(size, MeasureSpec.EXACTLY),
                    MeasureSpec.makeMeasureSpec(Math.abs(font.top - font.bottom), MeasureSpec.EXACTLY));
  } else {
    needsEllipsizing = false;
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  }
}
 

private void a() {
    this.b = new TextView(this.a.F);
    this.b.setTextColor(Color.rgb(255, 255, 255));
    this.b.setTextSize(15.0f);
    this.b.setShadowLayer(1.0f, 1.0f, 1.0f, Color.rgb(242, 211, 199));
    this.b.setGravity(3);
    this.b.setEllipsize(TruncateAt.END);
    this.b.setIncludeFontPadding(false);
    this.b.setSingleLine(true);
    ViewGroup.LayoutParams layoutParams = new LinearLayout.LayoutParams(0, -2);
    layoutParams.weight = 1.0f;
    layoutParams.leftMargin = this.a.a(4);
    addView(this.b, layoutParams);
    this.c = new Button(this.a.F);
    this.c.setPadding(0, 0, 0, 0);
    this.c.setTextSize(16.0f);
    this.c.setTextColor(Color.rgb(255, 255, 255));
    this.c.setShadowLayer(1.0f, 1.0f, 1.0f, Color.rgb(242, 211, 199));
    this.c.setIncludeFontPadding(false);
    this.c.setOnClickListener(new f(this.a, this.d.a));
    layoutParams = new LinearLayout.LayoutParams(this.a.a(TaskGuide.p), this.a.a(TaskGuide.q));
    layoutParams.leftMargin = this.a.a(2);
    layoutParams.rightMargin = this.a.a(8);
    addView(this.c, layoutParams);
}
 

private CharSequence getTruncatedText(int availWidth) {
    final TextPaint paint = getPaint();

    // Calculate the width the template takes.
    final String emptyTemplate = String.format(mTemplate, "");
    final float emptyTemplateWidth = paint.measureText(emptyTemplate);

    // Calculate the available width for the content.
    final float contentWidth = Math.max(availWidth - emptyTemplateWidth, 0.f);

    // Ellipsize the content to the available width.
    CharSequence clipped = TextUtils.ellipsize(mContent, paint, contentWidth, TruncateAt.END);

    // Build the full string, which should fit within availWidth.
    return String.format(mTemplate, clipped);
}
 

private StaticLayout createStaticLayout(int maxLines, float availableWidth, boolean isRtl) {
  StaticLayout textLayout = null;
  try {
    textLayout =
        StaticLayoutBuilderCompat.obtain(text, textPaint, (int) availableWidth)
            .setEllipsize(TruncateAt.END)
            .setIsRtl(isRtl)
            .setAlignment(ALIGN_NORMAL)
            .setIncludePad(false)
            .setMaxLines(maxLines)
            .build();
  } catch (StaticLayoutBuilderCompatException e) {
    Log.e(TAG, e.getCause().getMessage(), e);
  }

  return checkNotNull(textLayout);
}
 

private CharSequence getTruncatedText(int availWidth) {
    final TextPaint paint = getPaint();

    // Calculate the width the template takes.
    final String emptyTemplate = String.format(mTemplate, "");
    final float emptyTemplateWidth = paint.measureText(emptyTemplate);

    // Calculate the available width for the content.
    final float contentWidth = Math.max(availWidth - emptyTemplateWidth, 0.f);

    // Ellipsize the content to the available width.
    CharSequence clipped = TextUtils.ellipsize(mContent, paint, contentWidth, TruncateAt.END);

    // Build the full string, which should fit within availWidth.
    return String.format(mTemplate, clipped);
}
 

@Override
public void setDisplayMode(int displayMode) {
    // Displays the summary left text view in at most three lines if in focus mode,
    // otherwise display it in a single line.
    if (displayMode == DISPLAY_MODE_FOCUSED) {
        setSummaryProperties(TruncateAt.END, false /* leftIsSingleLine */,
                null /* rightTruncate */, false /* rightIsSingleLine */);
        getSummaryLeftTextView().setMaxLines(3);
    } else {
        setSummaryProperties(TruncateAt.END, true /* leftIsSingleLine */,
                null /* rightTruncate */, false /* rightIsSingleLine */);
        getSummaryLeftTextView().setMaxLines(1);
    }

    super.setDisplayMode(displayMode);
}
 

@Override
public void setEllipsize(TruncateAt where) {
  if (chipDrawable == null) {
    return;
  }
  if (where == TruncateAt.MARQUEE) {
    throw new UnsupportedOperationException("Text within a chip are not allowed to scroll.");
  }
  super.setEllipsize(where);
  if (chipDrawable != null) {
    chipDrawable.setEllipsize(where);
  }
}
 

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    final Context context = parent.getContext();

    if (convertView == null) {
        final LayoutInflater inflater = LayoutInflater.from(context);
        convertView = inflater.inflate(R.layout.item_doc_list, parent, false);
    }

    final ImageView iconMime = (ImageView) convertView.findViewById(R.id.icon_mime);
    final TextView title = (TextView) convertView.findViewById(android.R.id.title);
    final View line2 = convertView.findViewById(R.id.line2);

    final DocumentStack stack = getItem(position);
    iconMime.setImageDrawable(stack.root.loadIcon(context));

    final Drawable crumb = ContextCompat.getDrawable(context, R.drawable.ic_breadcrumb_arrow);
    crumb.setBounds(0, 0, crumb.getIntrinsicWidth(), crumb.getIntrinsicHeight());

    final SpannableStringBuilder builder = new SpannableStringBuilder();
    builder.append(stack.root.title);
    for (int i = stack.size() - 2; i >= 0; i--) {
        appendDrawable(builder, crumb);
        builder.append(stack.get(i).displayName);
    }
    title.setText(builder);
    title.setEllipsize(TruncateAt.MIDDLE);

    if (line2 != null) line2.setVisibility(View.GONE);

    return convertView;
}
 

/**
 * Sets sensible default values for {@link MaterialButton} child of this group, set child to
 * {@code checkable}, and set internal checked change listener for this child.
 *
 * @param buttonChild {@link MaterialButton} child to set up to be added to this {@link
 *     MaterialButtonToggleGroup}
 */
private void setupButtonChild(@NonNull MaterialButton buttonChild) {
  buttonChild.setMaxLines(1);
  buttonChild.setEllipsize(TruncateAt.END);
  buttonChild.setCheckable(true);

  buttonChild.addOnCheckedChangeListener(checkedStateTracker);
  buttonChild.setOnPressedChangeListenerInternal(pressedStateTracker);

  // Enables surface layer drawing for semi-opaque strokes
  buttonChild.setShouldDrawSurfaceColorStroke(true);
}
 

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    final Context context = parent.getContext();

    if (convertView == null) {
        final LayoutInflater inflater = LayoutInflater.from(context);
        convertView = inflater.inflate(R.layout.item_doc_list, parent, false);
    }

    final ImageView iconMime = (ImageView) convertView.findViewById(R.id.icon_mime);
    final TextView title = (TextView) convertView.findViewById(android.R.id.title);
    final View line2 = convertView.findViewById(R.id.line2);

    final DocumentStack stack = getItem(position);
    iconMime.setImageDrawable(stack.root.loadIcon(context));

    final Drawable crumb = ContextCompat.getDrawable(context, R.drawable.ic_breadcrumb_arrow);
    crumb.setBounds(0, 0, crumb.getIntrinsicWidth(), crumb.getIntrinsicHeight());

    final SpannableStringBuilder builder = new SpannableStringBuilder();
    builder.append(stack.root.title);
    for (int i = stack.size() - 2; i >= 0; i--) {
        appendDrawable(builder, crumb);
        builder.append(stack.get(i).displayName);
    }
    title.setText(builder);
    title.setEllipsize(TruncateAt.MIDDLE);

    if (line2 != null) line2.setVisibility(View.GONE);

    return convertView;
}
 

/**
 * Sets how the summary text should be displayed.
 *
 * @param leftTruncate How to truncate the left summary text.  Set to null to clear.
 * @param rightTruncate How to truncate the right summary text.  Set to null to clear.
 */
public void setSummaryProperties(@Nullable TruncateAt leftTruncate, boolean leftIsSingleLine,
        @Nullable TruncateAt rightTruncate, boolean rightIsSingleLine) {
    mSummaryLeftTextView.setEllipsize(leftTruncate);
    mSummaryLeftTextView.setSingleLine(leftIsSingleLine);

    mSummaryRightTextView.setEllipsize(rightTruncate);
    mSummaryRightTextView.setSingleLine(rightIsSingleLine);
}
 

/**
 * Sets how the summary text should be displayed.
 *
 * @param leftTruncate How to truncate the left summary text.  Set to null to clear.
 * @param rightTruncate How to truncate the right summary text.  Set to null to clear.
 */
public void setSummaryProperties(@Nullable TruncateAt leftTruncate, boolean leftIsSingleLine,
        @Nullable TruncateAt rightTruncate, boolean rightIsSingleLine) {
    mSummaryLeftTextView.setEllipsize(leftTruncate);
    mSummaryLeftTextView.setSingleLine(leftIsSingleLine);

    mSummaryRightTextView.setEllipsize(rightTruncate);
    mSummaryRightTextView.setSingleLine(rightIsSingleLine);
}
 

/**
 * Sets how the extra texts should be displayed.
 *
 * @param textsTruncate How to truncate the extra texts. Set the element to null to clear.
 * @param textsAreSingleLine Whether the extra texts should be displayed in a single line.
 */
public void setExtraTextsProperties(
        TruncateAt[] textsTruncate, boolean[] textsAreSingleLine) {
    assert textsTruncate.length == mExtraTextViews.length;
    assert textsAreSingleLine.length == mExtraTextViews.length;

    for (int i = 0; i < mExtraTextViews.length; i++) {
        mExtraTextViews[i].setEllipsize(textsTruncate[i]);
        mExtraTextViews[i].setSingleLine(textsAreSingleLine[i]);
    }
}
 

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    final Context context = parent.getContext();

    if (convertView == null) {
        final LayoutInflater inflater = LayoutInflater.from(context);
        convertView = inflater.inflate(R.layout.item_doc_list, parent, false);
    }

    final ImageView iconMime = (ImageView) convertView.findViewById(R.id.icon_mime);
    final TextView title = (TextView) convertView.findViewById(android.R.id.title);
    final View line2 = convertView.findViewById(R.id.line2);

    final DocumentStack stack = getItem(position);
    iconMime.setImageDrawable(stack.root.loadIcon(context));

    final Drawable crumb = ContextCompat.getDrawable(context, R.drawable.ic_breadcrumb_arrow);
    crumb.setBounds(0, 0, crumb.getIntrinsicWidth(), crumb.getIntrinsicHeight());

    final SpannableStringBuilder builder = new SpannableStringBuilder();
    builder.append(stack.root.title);
    for (int i = stack.size() - 2; i >= 0; i--) {
        appendDrawable(builder, crumb);
        builder.append(stack.get(i).displayName);
    }
    title.setText(builder);
    title.setEllipsize(TruncateAt.MIDDLE);

    if (line2 != null) line2.setVisibility(View.GONE);

    return convertView;
}
 

private View initTitleBar() {
    RelativeLayout titleBar = new RelativeLayout(this);
    titleBar.setLayoutParams(new LayoutParams(-1, ResourceManager.dp2px(this, 45)));
    titleBar.setBackgroundDrawable(ResourceManager.getNinePatchDrawable(this, "weibosdk_navigationbar_background.9.png"));
    this.mLeftBtn = new TextView(this);
    this.mLeftBtn.setClickable(true);
    this.mLeftBtn.setTextSize(2, 17.0f);
    this.mLeftBtn.setTextColor(ResourceManager.createColorStateList(-32256, 1728020992));
    this.mLeftBtn.setText(ResourceManager.getString(this, CANCEL_EN, "关闭", "关闭"));
    RelativeLayout.LayoutParams leftBtnLp = new RelativeLayout.LayoutParams(-2, -2);
    leftBtnLp.addRule(5);
    leftBtnLp.addRule(15);
    leftBtnLp.leftMargin = ResourceManager.dp2px(this, 10);
    leftBtnLp.rightMargin = ResourceManager.dp2px(this, 10);
    this.mLeftBtn.setLayoutParams(leftBtnLp);
    titleBar.addView(this.mLeftBtn);
    this.mTitleText = new TextView(this);
    this.mTitleText.setTextSize(2, 18.0f);
    this.mTitleText.setTextColor(-11382190);
    this.mTitleText.setEllipsize(TruncateAt.END);
    this.mTitleText.setSingleLine(true);
    this.mTitleText.setGravity(17);
    this.mTitleText.setMaxWidth(ResourceManager.dp2px(this, 160));
    RelativeLayout.LayoutParams titleTextLy = new RelativeLayout.LayoutParams(-2, -2);
    titleTextLy.addRule(13);
    this.mTitleText.setLayoutParams(titleTextLy);
    titleBar.addView(this.mTitleText);
    return titleBar;
}
 

private TextView newTextView() {
    TextView textView = new TextView(getContext());
    textView.setLayoutParams(new LayoutParams(-1, -1, 16));
    textView.setCompoundDrawablePadding(10);
    textView.setPadding(10, 0, 0, 0);
    textView.setGravity(16);
    textView.setLines(2);
    textView.setEllipsize(TruncateAt.END);
    textView.setTextColor(Color.parseColor("#FFFFFF"));
    textView.setTextSize(1, 14.0f);
    return textView;
}
 

@Config(minSdk = LOLLIPOP, maxSdk = VERSION_CODES.P)
@Test
public void createStaticLayout_withMaxLines_LongString() throws Exception {
  int maxLines = 3;

  StaticLayout staticLayout =
      StaticLayoutBuilderCompat.obtain(LONG_STRING, new TextPaint(), 100)
          .setAlignment(Alignment.ALIGN_NORMAL)
          .setIncludePad(true)
          .setEllipsize(TruncateAt.END)
          .setMaxLines(maxLines)
          .build();

  assertThat(staticLayout).isNotNull();
}
 

public static CharSequence ellipsize(@Nullable CharSequence text, @NonNull TextView view) {
  if (TextUtils.isEmpty(text) || view.getWidth() == 0 || view.getEllipsize() != TruncateAt.END) {
    return text;
  } else {
    return TextUtils.ellipsize(text,
                               view.getPaint(),
                               view.getWidth() - view.getPaddingRight() - view.getPaddingLeft(),
                               TruncateAt.END);
  }
}
 

/**
 * Set the alignment mode of the specified TextView with the desired align
 * mode from preferences.
 *
 * See @array/audio_title_alignment_values
 *
 * @param alignMode Align mode as read from preferences
 * @param t Reference to the textview
 */
public static void setAlignModeByPref(int alignMode, TextView t) {
    if(alignMode == 1)
        t.setEllipsize(TruncateAt.END);
    else if(alignMode == 2)
        t.setEllipsize(TruncateAt.START);
    else if(alignMode == 3) {
        t.setEllipsize(TruncateAt.MARQUEE);
        t.setMarqueeRepeatLimit(-1);
        t.setSelected(true);
    }
}
 

/**
 * Sets how the summary text should be displayed.
 *
 * @param leftTruncate      How to truncate the left summary text.  Set to null to clear.
 * @param leftIsSingleLine  Whether the left summary text should be a single line.
 * @param rightTruncate     How to truncate the right summary text.  Set to null to clear.
 * @param rightIsSingleLine Whether the right summary text should be a single line.
 */
public void setSummaryProperties(@Nullable TruncateAt leftTruncate, boolean leftIsSingleLine,
        @Nullable TruncateAt rightTruncate, boolean rightIsSingleLine) {
    mSummaryLeftTextView.setEllipsize(leftTruncate);
    mSummaryLeftTextView.setSingleLine(leftIsSingleLine);

    mSummaryRightTextView.setEllipsize(rightTruncate);
    mSummaryRightTextView.setSingleLine(rightIsSingleLine);
}
 

/**
 * Updates the View to account for the new {@link ShippingSummaryInformation} being passed
 * in.
 */
public void update(ShippingSummaryInformation info) {
    String selectedShippingName = info.getSelectedShippingAddressLabel();
    String selectedShippingAddress = info.getSelectedShippingAddressSublabel();
    String selectedShippingPhone = info.getSelectedShippingAddressTertiaryLabel();
    String selectedShippingOptionLabel = info.getSelectedShippingOptionLabel();

    // Display the summary in a single line.
    setSummaryProperties(TruncateAt.END, true /* leftIsSingleLine */,
            null /* rightTruncate */, false /* rightIsSingleLine */);
    if (selectedShippingAddress == null || selectedShippingOptionLabel == null) {
        ApiCompatibilityUtils.setTextAppearance(
                getSummaryLeftTextView(), R.style.PaymentsUiSectionDescriptiveText);
        SectionUiUtils.showSectionSummaryInTextViewInSingeLine(getContext(),
                info.getShippingAddressSectionInfo(), getSummaryLeftTextView());
    } else {
        // Show the shipping name in the summary section.
        setSummaryText(selectedShippingName, null);

        // Show the shipping address, phone and option below the summary.
        setExtraTextsProperties(
                new TruncateAt[] {TruncateAt.MIDDLE, TruncateAt.END, TruncateAt.END},
                new boolean[] {true, true, true});
        setExtraTexts(new String[] {selectedShippingAddress, selectedShippingPhone,
                selectedShippingOptionLabel});
    }
}
 

/**
 * Sets how the extra texts should be displayed.
 *
 * @param textsTruncate How to truncate the extra texts. Set the element to null to clear.
 * @param textsAreSingleLine Whether the extra texts should be displayed in a single line.
 */
private void setExtraTextsProperties(
        TruncateAt[] textsTruncate, boolean[] textsAreSingleLine) {
    assert textsTruncate.length == mExtraTextViews.length;
    assert textsAreSingleLine.length == mExtraTextViews.length;

    for (int i = 0; i < mExtraTextViews.length; i++) {
        mExtraTextViews[i].setEllipsize(textsTruncate[i]);
        mExtraTextViews[i].setSingleLine(textsAreSingleLine[i]);
    }
}
 

private RadioButton createRadioView() {
	RadioButton mRadioButton = new RadioButton(getContext(), null, mRadioStyle > 0 ? mRadioStyle : android.R.attr.radioButtonStyle);
	if (mRadioStyle == 0) {
		mRadioButton.setGravity(Gravity.CENTER);
		mRadioButton.setEllipsize(TruncateAt.END);
	}
	if (mTextColor != null)
		mRadioButton.setTextColor(mTextColor);
	if (textSize > 0)
		mRadioButton.setTextSize(textSize);
	return mRadioButton;
}
 

/**
 * Returns the value of the enum {@link TruncateAt}, which corresponds to a specific value.
 *
 * @param value
 *         The value
 * @return The value of the enum {@link TruncateAt}, which corresponds to the given value
 */
private TruncateAt parseEllipsize(final int value) {
    switch (value) {
        case ELLIPSIZE_START_VALUE:
            return TruncateAt.START;
        case ELLIPSIZE_MIDDLE_VALUE:
            return TruncateAt.MIDDLE;
        case ELLIPSIZE_END_VALUE:
            return TruncateAt.END;
        case ELLIPSIZE_MARQUEE_VALUE:
            return TruncateAt.MARQUEE;
        default:
            return TruncateAt.END;
    }
}
 

private void addTemporaryTab(){
	for (int i = 0; i < 3; i++) {
           CharSequence title = null;
           if (i == 0) 
               title = "TAB ONE";        
           else if (i == 1) 
               title = "TAB TWO";
           else if (i == 2) 
               title = "TAB THREE";
           
           CheckedTextView tv = new CheckedTextView(getContext());
           tv.setCheckMarkDrawable(null);
           tv.setText(title);
           tv.setGravity(Gravity.CENTER);
           if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
               tv.setTextAlignment(CheckedTextView.TEXT_ALIGNMENT_GRAVITY);
           }
           tv.setTextAppearance(getContext(), mTextAppearance);
           tv.setSingleLine(true);
           tv.setEllipsize(TruncateAt.END);
           tv.setTag(i);
           tv.setChecked(i == 0);
           if(mMode == MODE_SCROLL){
           	tv.setPadding(mTabPadding, 0, mTabPadding, 0);
           	mTabContainer.addView(tv, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT));
           }
           else if(mMode == MODE_FIXED){
           	LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.MATCH_PARENT);
           	params.weight = 1f;
           	mTabContainer.addView(tv, params);            	
           }            	
       } 	
}
 

protected void initLayout() {
	context = getContext();
	view = LayoutInflater.from(context).inflate(R.layout.item_editext_del,
			null);
	lefText = (TextView) view.findViewById(R.id.leftText);
	middleText = (EditText) view.findViewById(R.id.middleText);
	rightText = (TextView) view.findViewById(R.id.rightText);
	rightImg = (ImageView) view.findViewById(R.id.right_img);
	middleText.setSingleLine(true);
	middleText.setEllipsize(TruncateAt.END);
	middleText.setClickable(true);
	addListener();
	addView(view);
}
 

@Override
public View getView(int position, View convertView, ViewGroup parent) {
	TextView view = new TextView(parent.getContext());
	view.setText(String.format("%s: %sx%s", "Video", sizes.get(position).width, sizes.get(position).height));
	view.setEllipsize(TruncateAt.END);
	view.setPadding(16, 16, 16, 16);
	return view;
}