下面列出了android.text.method.SingleLineTransformationMethod#android.text.method.TransformationMethod 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private static int getMaxLines(AppCompatTextView view)
{
int maxLines = -1; // No limit (Integer.MAX_VALUE also means no limit)
TransformationMethod method = view.getTransformationMethod();
if (method != null && method instanceof SingleLineTransformationMethod)
{
maxLines = 1;
}
else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
{
// setMaxLines() and getMaxLines() are only available on android-16+
maxLines = view.getMaxLines();
}
return maxLines;
}
/** Sets the transformation method. */
public static ViewAction setTransformationMethod(
final TransformationMethod transformationMethod) {
return new ViewAction() {
@Override
public Matcher<View> getConstraints() {
return ViewMatchers.isAssignableFrom(TextInputLayout.class);
}
@Override
public String getDescription() {
return "Sets the transformation method";
}
@Override
public void perform(UiController uiController, View view) {
TextInputLayout item = (TextInputLayout) view;
item.getEditText().setTransformationMethod(transformationMethod);
}
};
}
private static int getMaxLines(TextView view) {
int maxLines = -1; // No limit (Integer.MAX_VALUE also means no limit)
TransformationMethod method = view.getTransformationMethod();
if (method != null && method instanceof SingleLineTransformationMethod) {
maxLines = 1;
}
else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
// setMaxLines() and getMaxLines() are only available on android-16+
maxLines = view.getMaxLines();
}
return maxLines;
}
/**
* 获取文本视图显示转换
* @param editText {@link EditText}
* @param <T> 泛型
* @return {@link TransformationMethod}
*/
public static <T extends EditText> TransformationMethod getTransformationMethod(final T editText) {
if (editText != null) {
return editText.getTransformationMethod();
}
return null;
}
/**
* 设置文本视图显示转换
* @param view {@link View}
* @param method {@link TransformationMethod}
* @return {@link ViewHelper}
*/
public ViewHelper setTransformationMethod(final View view, final TransformationMethod method) {
if (view instanceof EditText) {
EditTextUtils.setTransformationMethod(EditTextUtils.getEditText(view), method);
} else {
TextViewUtils.setTransformationMethod(view, method);
}
return this;
}
/**
* 获取文本视图显示转换
* @param textView {@link TextView}
* @param <T> 泛型
* @return {@link TransformationMethod}
*/
public static <T extends TextView> TransformationMethod getTransformationMethod(final T textView) {
if (textView != null) {
return textView.getTransformationMethod();
}
return null;
}
static int getMaxLines(TextView view) {
int maxLines = -1; // No limit (Integer.MAX_VALUE also means no limit)
TransformationMethod method = view.getTransformationMethod();
if (method != null && method instanceof SingleLineTransformationMethod) {
maxLines = 1;
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
// setMaxLines() and getMaxLines() are only available on android-16+
maxLines = view.getMaxLines();
}
return maxLines;
}
private static int getMaxLines(TextView view) {
int maxLines = -1; // No limit (Integer.MAX_VALUE also means no limit)
TransformationMethod method = view.getTransformationMethod();
if (method != null && method instanceof SingleLineTransformationMethod) {
maxLines = 1;
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
// setMaxLines() and getMaxLines() are only available on android-16+
maxLines = view.getMaxLines();
}
return maxLines;
}
private static ViewAssertion isPasswordToggledVisible(final boolean isToggledVisible) {
return (view, noViewFoundException) -> {
assertTrue(view instanceof TextInputLayout);
EditText editText = ((TextInputLayout) view).getEditText();
TransformationMethod transformationMethod = editText.getTransformationMethod();
if (isToggledVisible) {
assertNull(transformationMethod);
} else {
assertEquals(PasswordTransformationMethod.getInstance(), transformationMethod);
}
};
}
/**
* Re size the font so the specified text fits in the text box assuming the text box is the
* specified width.
*/
private void refitText() {
CharSequence text = getText();
if (TextUtils.isEmpty(text)) {
return;
}
TransformationMethod method = getTransformationMethod();
if (method != null) {
text = method.getTransformation(text, this);
}
int targetWidth = getWidth() - getPaddingLeft() - getPaddingRight();
if (targetWidth > 0) {
float high = 100;
float low = 0;
mPaint.set(getPaint());
mPaint.setTextSize(getTextSize());
float letterSpacing = getLetterSpacing(text, mPaint, targetWidth, low, high,
mPrecision);
mPaint.setLetterSpacing(letterSpacing);
calculateSections(text);
super.setLetterSpacing(letterSpacing);
}
}
@Test
public void doesNotMaskIfMaskingIsNotEnabled() {
TransformationMethod originalMethod = mView.getTransformationMethod();
type("4111111111111111");
mView.onFocusChanged(false, 1, null);
assertEquals(originalMethod, mView.getTransformationMethod());
}
@Test
public void doesNotMaskIfFieldIsInvalid() {
TransformationMethod originalMethod = mView.getTransformationMethod();
mView.setMask(true);
type("4111111111111112");
assertEquals(originalMethod, mView.getTransformationMethod());
}
/**
* Re-sizes the textSize of the TextView so that the text fits within the bounds of the View.
*/
private static void autofit(TextView view, TextPaint paint, float minTextSize, float maxTextSize,
int maxLines, float precision) {
if (maxLines <= 0 || maxLines == Integer.MAX_VALUE) {
// Don't auto-size since there's no limit on lines.
return;
}
int targetWidth = view.getWidth() - view.getPaddingLeft() - view.getPaddingRight();
if (targetWidth <= 0) {
return;
}
CharSequence text = view.getText();
TransformationMethod method = view.getTransformationMethod();
if (method != null) {
text = method.getTransformation(text, view);
}
Context context = view.getContext();
Resources r = Resources.getSystem();
DisplayMetrics displayMetrics;
float size = maxTextSize;
float high = size;
float low = 0;
if (context != null) {
r = context.getResources();
}
displayMetrics = r.getDisplayMetrics();
paint.set(view.getPaint());
paint.setTextSize(size);
if ((maxLines == 1 && paint.measureText(text, 0, text.length()) > targetWidth)
|| getLineCount(text, paint, size, targetWidth, displayMetrics) > maxLines) {
size = getAutofitTextSize(text, paint, targetWidth, maxLines, low, high, precision,
displayMetrics);
}
if (size < minTextSize) {
size = minTextSize;
}
view.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
}
/**
* Re-sizes the textSize of the TextView so that the text fits within the bounds of the View.
*/
static void adjustTextSize(TextView view, TextPaint paint, float minTextSize, float maxTextSize, int maxLines, float precision) {
if (maxLines <= 0 || maxLines == Integer.MAX_VALUE) {
// Don't auto-size since there's no limit on lines.
return;
}
int targetWidth = view.getWidth() - view.getPaddingLeft() - view.getPaddingRight();
if (targetWidth <= 0) {
return;
}
CharSequence text = view.getText();
TransformationMethod method = view.getTransformationMethod();
if (method != null) {
text = method.getTransformation(text, view);
}
Context context = view.getContext();
Resources r = Resources.getSystem();
DisplayMetrics displayMetrics;
float size = maxTextSize;
float high = size;
float low = 0;
if (context != null) {
r = context.getResources();
}
displayMetrics = r.getDisplayMetrics();
paint.set(view.getPaint());
paint.setTextSize(size);
if ((maxLines == 1 && paint.measureText(text, 0, text.length()) > targetWidth)
|| getLineCount(text, paint, size, targetWidth, displayMetrics) > maxLines) {
size = getAutofitTextSize(text, paint, targetWidth, maxLines, low, high, precision, displayMetrics);
}
if (size < minTextSize) {
size = minTextSize;
}
view.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
}
/**
* Re-sizes the textSize of the TextView so that the text fits within the bounds of the View.
*/
private static void autofit(AppCompatTextView view, TextPaint paint, float minTextSize, float maxTextSize,
int maxLines, float precision)
{
if (maxLines <= 0 || maxLines == Integer.MAX_VALUE)
{
// Don't auto-size since there's no limit on lines.
return;
}
int targetWidth = view.getWidth() - view.getPaddingLeft() - view.getPaddingRight();
if (targetWidth <= 0)
{
return;
}
CharSequence text = view.getText();
TransformationMethod method = view.getTransformationMethod();
if (method != null)
{
text = method.getTransformation(text, view);
}
Context context = view.getContext();
Resources r = Resources.getSystem();
DisplayMetrics displayMetrics;
float size = maxTextSize;
float high = size;
float low = 0;
if (context != null)
{
r = context.getResources();
}
displayMetrics = r.getDisplayMetrics();
paint.set(view.getPaint());
paint.setTextSize(size);
if ((maxLines == 1 && paint.measureText(text, 0, text.length()) > targetWidth)
|| getLineCount(text, paint, size, targetWidth, displayMetrics) > maxLines)
{
size = getAutofitTextSize(text, paint, targetWidth, maxLines, low, high, precision,
displayMetrics);
}
if (size < minTextSize)
{
size = minTextSize;
}
view.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
}
/**
* Re-sizes the textSize of the TextView so that the text fits within the bounds of the View.
*/
private static void autofit(TextView view, TextPaint paint, float minTextSize, float maxTextSize,
int maxLines, float precision) {
if (maxLines <= 0 || maxLines == Integer.MAX_VALUE) {
// Don't auto-size since there's no limit on lines.
return;
}
int targetWidth = view.getWidth() - view.getPaddingLeft() - view.getPaddingRight();
if (targetWidth <= 0) {
return;
}
CharSequence text = view.getText();
TransformationMethod method = view.getTransformationMethod();
if (method != null) {
text = method.getTransformation(text, view);
}
Context context = view.getContext();
Resources r = Resources.getSystem();
DisplayMetrics displayMetrics;
float size = maxTextSize;
float high = size;
float low = 0;
if (context != null) {
r = context.getResources();
}
displayMetrics = r.getDisplayMetrics();
paint.set(view.getPaint());
paint.setTextSize(size);
if ((maxLines == 1 && paint.measureText(text, 0, text.length()) > targetWidth)
|| getLineCount(text, paint, size, targetWidth, displayMetrics) > maxLines) {
size = getAutofitTextSize(text, paint, targetWidth, maxLines, low, high, precision,
displayMetrics);
}
if (size < minTextSize) {
size = minTextSize;
}
view.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
}
/**
* 设置 EditText 的 transformationMethod
*/
public InputDialogBuilder setTransformationMethod(TransformationMethod transformationMethod) {
mTransformationMethod = transformationMethod;
return this;
}
public static Void transformationMethod(TransformationMethod arg) {
return BaseDSL.attr("transformationMethod", arg);
}
public static Void transformationMethod(TransformationMethod arg) {
return BaseDSL.attr("transformationMethod", arg);
}
@Test
public void remasksWhenFocusMovesAwayFromCardEditText() {
TransformationMethod originalMethod = mView.getTransformationMethod();
mView.setMask(true);
type("4111111111111111");
mView.onFocusChanged(false, 1, null);
assertTrue(mView.getTransformationMethod() instanceof CardNumberTransformation);
mView.onFocusChanged(true, 1, null);
assertEquals(originalMethod, mView.getTransformationMethod());
mView.onFocusChanged(false, 1, null);
assertTrue(mView.getTransformationMethod() instanceof CardNumberTransformation);
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public MaterialAutoCompleteTextView(Context context, AttributeSet attrs, int style) {
super(context, attrs, style);
setFocusable(true);
setFocusableInTouchMode(true);
setClickable(true);
floatingLabelTextSize = getResources().getDimensionPixelSize(R.dimen.mtrl_ed_floating_label_text_size);
bottomSpacing = getResources().getDimensionPixelSize(R.dimen.mtrl_ed_inner_components_spacing);
bottomEllipsisSize = getResources().getDimensionPixelSize(R.dimen.mtrl_ed_bottom_ellipsis_height);
// retrieve the default baseColor
int defaultBaseColor;
TypedValue baseColorTypedValue = new TypedValue();
context.getTheme().resolveAttribute(android.R.attr.windowBackground, baseColorTypedValue, true);
defaultBaseColor = ColorUtils.getBaseColor(baseColorTypedValue.data);
TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.MaterialEditText);
baseColor = typedArray.getColor(R.styleable.MaterialEditText_baseColor, defaultBaseColor);
ColorStateList colorStateList = new ColorStateList(new int[][]{new int[]{android.R.attr.state_enabled}, EMPTY_STATE_SET}, new int[]{baseColor & 0x00ffffff | 0xdf000000, baseColor & 0x00ffffff | 0x44000000});
setTextColor(colorStateList);
// retrieve the default primaryColor
int defaultPrimaryColor;
TypedValue primaryColorTypedValue = new TypedValue();
try {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
throw new RuntimeException("SDK_INT less than LOLLIPOP");
}
context.getTheme().resolveAttribute(android.R.attr.colorPrimary, primaryColorTypedValue, true);
defaultPrimaryColor = primaryColorTypedValue.data;
} catch (Exception e) {
try {
int colorAccentId = getResources().getIdentifier("colorPrimary", "attr", getContext().getPackageName());
if (colorAccentId != 0) {
context.getTheme().resolveAttribute(colorAccentId, primaryColorTypedValue, true);
defaultPrimaryColor = primaryColorTypedValue.data;
} else {
throw new RuntimeException("colorAccent not found");
}
} catch (Exception e1) {
defaultPrimaryColor = baseColor;
}
}
primaryColor = typedArray.getColor(R.styleable.MaterialEditText_primaryColor, defaultPrimaryColor);
setFloatingLabelInternal(typedArray.getInt(R.styleable.MaterialEditText_floatingLabel, 0));
errorColor = typedArray.getColor(R.styleable.MaterialEditText_errorColor, Color.parseColor("#e7492E"));
minCharacters = typedArray.getInt(R.styleable.MaterialEditText_minCharacters, 0);
maxCharacters = typedArray.getInt(R.styleable.MaterialEditText_maxCharacters, 0);
singleLineEllipsis = typedArray.getBoolean(R.styleable.MaterialEditText_singleLineEllipsis, false);
helperText = typedArray.getString(R.styleable.MaterialEditText_helperText);
helperTextColor = typedArray.getColor(R.styleable.MaterialEditText_helperTextColor, -1);
minBottomTextLines = typedArray.getInt(R.styleable.MaterialEditText_minBottomTextLines, 0);
String fontPath = typedArray.getString(R.styleable.MaterialEditText_accentTypeface);
if (fontPath != null) {
accentTypeface = getCustomTypeface(fontPath);
textPaint.setTypeface(accentTypeface);
}
floatingLabelText = typedArray.getString(R.styleable.MaterialEditText_floatingLabelText);
if (floatingLabelText == null) {
floatingLabelText = getHint();
}
floatingLabelSpacing = typedArray.getDimensionPixelSize(R.styleable.MaterialEditText_floatingLabelSpacing, bottomSpacing);
hideUnderline = typedArray.getBoolean(R.styleable.MaterialEditText_hideUnderline, false);
typedArray.recycle();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
setBackground(null);
} else {
setBackgroundDrawable(null);
}
if (singleLineEllipsis) {
TransformationMethod transformationMethod = getTransformationMethod();
setSingleLine();
setTransformationMethod(transformationMethod);
}
textPaint.setTextSize(floatingLabelTextSize);
fontMetrics = textPaint.getFontMetrics();
initMinBottomLines();
initPadding();
initText();
initFloatingLabel();
initErrorTextListener();
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public MaterialEditText(Context context, AttributeSet attrs, int style) {
super(context, attrs, style);
setFocusable(true);
setFocusableInTouchMode(true);
setClickable(true);
floatingLabelTextSize = getResources().getDimensionPixelSize(R.dimen.mtrl_ed_floating_label_text_size);
bottomSpacing = getResources().getDimensionPixelSize(R.dimen.mtrl_ed_inner_components_spacing);
bottomEllipsisSize = getResources().getDimensionPixelSize(R.dimen.mtrl_ed_bottom_ellipsis_height);
// retrieve the default baseColor
int defaultBaseColor;
TypedValue baseColorTypedValue = new TypedValue();
context.getTheme().resolveAttribute(android.R.attr.windowBackground, baseColorTypedValue, true);
defaultBaseColor = ColorUtils.getBaseColor(baseColorTypedValue.data);
TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.MaterialEditText);
baseColor = typedArray.getColor(R.styleable.MaterialEditText_baseColor, defaultBaseColor);
ColorStateList colorStateList = new ColorStateList(new int[][]{new int[]{android.R.attr.state_enabled}, EMPTY_STATE_SET}, new int[]{baseColor & 0x00ffffff | 0xdf000000, baseColor & 0x00ffffff | 0x44000000});
setTextColor(colorStateList);
// retrieve the default primaryColor
int defaultPrimaryColor;
TypedValue primaryColorTypedValue = new TypedValue();
try {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
throw new RuntimeException("SDK_INT less than LOLLIPOP");
}
context.getTheme().resolveAttribute(android.R.attr.colorPrimary, primaryColorTypedValue, true);
defaultPrimaryColor = primaryColorTypedValue.data;
} catch (Exception e) {
try {
int colorAccentId = getResources().getIdentifier("colorPrimary", "attr", getContext().getPackageName());
if (colorAccentId != 0) {
context.getTheme().resolveAttribute(colorAccentId, primaryColorTypedValue, true);
defaultPrimaryColor = primaryColorTypedValue.data;
} else {
throw new RuntimeException("colorAccent not found");
}
} catch (Exception e1) {
defaultPrimaryColor = baseColor;
}
}
primaryColor = typedArray.getColor(R.styleable.MaterialEditText_primaryColor, defaultPrimaryColor);
setFloatingLabelInternal(typedArray.getInt(R.styleable.MaterialEditText_floatingLabel, 0));
errorColor = typedArray.getColor(R.styleable.MaterialEditText_errorColor, Color.parseColor("#e7492E"));
minCharacters = typedArray.getInt(R.styleable.MaterialEditText_minCharacters, 0);
maxCharacters = typedArray.getInt(R.styleable.MaterialEditText_maxCharacters, 0);
singleLineEllipsis = typedArray.getBoolean(R.styleable.MaterialEditText_singleLineEllipsis, false);
helperText = typedArray.getString(R.styleable.MaterialEditText_helperText);
helperTextColor = typedArray.getColor(R.styleable.MaterialEditText_helperTextColor, -1);
minBottomTextLines = typedArray.getInt(R.styleable.MaterialEditText_minBottomTextLines, 0);
String fontPath = typedArray.getString(R.styleable.MaterialEditText_accentTypeface);
if (fontPath != null) {
accentTypeface = getCustomTypeface(fontPath);
textPaint.setTypeface(accentTypeface);
}
floatingLabelText = typedArray.getString(R.styleable.MaterialEditText_floatingLabelText);
if (floatingLabelText == null) {
floatingLabelText = getHint();
}
floatingLabelSpacing = typedArray.getDimensionPixelSize(R.styleable.MaterialEditText_floatingLabelSpacing, bottomSpacing);
hideUnderline = typedArray.getBoolean(R.styleable.MaterialEditText_hideUnderline, false);
typedArray.recycle();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
setBackground(null);
} else {
setBackgroundDrawable(null);
}
if (singleLineEllipsis) {
TransformationMethod transformationMethod = getTransformationMethod();
setSingleLine();
setTransformationMethod(transformationMethod);
}
textPaint.setTextSize(floatingLabelTextSize);
fontMetrics = textPaint.getFontMetrics();
initMinBottomLines();
initPadding();
initText();
initFloatingLabel();
initErrorTextListener();
}
/**
* Sets the transformation that is applied to the text that this TextView is displaying.
*/
public final void setTransformationMethod(final TransformationMethod method) {
getView().setTransformationMethod(method);
}
/**
* Re size the font so the specified text fits in the text box assuming the text box is the
* specified width.
*/
private void refitText() {
if (!mSizeToFit) {
return;
}
if (mMaxLines <= 0) {
// Don't auto-size since there's no limit on lines.
return;
}
CharSequence text = getText();
TransformationMethod method = getTransformationMethod();
if (method != null) {
text = method.getTransformation(text, this);
}
int targetWidth = getWidth() - getPaddingLeft() - getPaddingRight();
if (targetWidth > 0) {
Context context = getContext();
Resources r = Resources.getSystem();
DisplayMetrics displayMetrics;
float size = mMaxTextSize;
float high = size;
float low = 0;
if (context != null) {
r = context.getResources();
}
displayMetrics = r.getDisplayMetrics();
mPaint.set(getPaint());
mPaint.setTextSize(size);
if ((mMaxLines == 1 && mPaint.measureText(text, 0, text.length()) > targetWidth)
|| getLineCount(text, mPaint, size, targetWidth, displayMetrics) > mMaxLines) {
size = getTextSize(text, mPaint, targetWidth, mMaxLines, low, high, mPrecision,
displayMetrics);
}
if (size < mMinTextSize) {
size = mMinTextSize;
}
super.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
}
}
/**
* Re size the font so the specified text fits in the text box assuming the text box is the
* specified width.
*/
private void refitText() {
if (!mSizeToFit) {
return;
}
if (mMaxLines <= 0) {
// Don't auto-size since there's no limit on lines.
return;
}
CharSequence text = getText();
TransformationMethod method = getTransformationMethod();
if (method != null) {
text = method.getTransformation(text, this);
}
int targetWidth = getWidth() - getPaddingLeft() - getPaddingRight();
if (targetWidth > 0) {
Context context = getContext();
Resources r = Resources.getSystem();
DisplayMetrics displayMetrics;
float size = mMaxTextSize;
float high = size;
float low = 0;
if (context != null) {
r = context.getResources();
}
displayMetrics = r.getDisplayMetrics();
mPaint.set(getPaint());
mPaint.setTextSize(size);
if ((mMaxLines == 1 && mPaint.measureText(text, 0, text.length()) > targetWidth)
|| getLineCount(text, mPaint, size, targetWidth, displayMetrics) > mMaxLines) {
size = getTextSize(text, mPaint, targetWidth, mMaxLines, low, high, mPrecision,
displayMetrics);
}
if (size < mMinTextSize) {
size = mMinTextSize;
}
super.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
}
}
/**
* Re size the font so the specified text fits in the text box assuming the text box is the
* specified width.
*/
private void refitText() {
if (!mSizeToFit) {
return;
}
if (mMaxLines <= 0) {
// Don't auto-size since there's no limit on lines.
return;
}
CharSequence text = getText();
TransformationMethod method = getTransformationMethod();
if (method != null) {
text = method.getTransformation(text, this);
}
int targetWidth = getWidth() - getPaddingLeft() - getPaddingRight();
if (targetWidth > 0) {
Context context = getContext();
Resources r = Resources.getSystem();
DisplayMetrics displayMetrics;
float size = mMaxTextSize;
float high = size;
float low = 0;
if (context != null) {
r = context.getResources();
}
displayMetrics = r.getDisplayMetrics();
mPaint.set(getPaint());
mPaint.setTextSize(size);
if ((mMaxLines == 1 && mPaint.measureText(text, 0, text.length()) > targetWidth)
|| getLineCount(text, mPaint, size, targetWidth, displayMetrics) > mMaxLines) {
size = getTextSize(text, mPaint, targetWidth, mMaxLines, low, high, mPrecision,
displayMetrics);
}
if (size < mMinTextSize) {
size = mMinTextSize;
}
super.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
}
}
/**
* 设置文本视图显示转换
* @param editText {@link EditText}
* @param method {@link TransformationMethod}
* @param <T> 泛型
* @return {@link EditText}
*/
public static <T extends EditText> T setTransformationMethod(final T editText, final TransformationMethod method) {
if (editText != null) {
editText.setTransformationMethod(method);
}
return editText;
}
/**
* 设置文本视图显示转换
* @param textView {@link TextView}
* @param method {@link TransformationMethod}
* @param <T> 泛型
* @return {@link TextView}
*/
public static <T extends TextView> T setTransformationMethod(final T textView, final TransformationMethod method) {
if (textView != null) {
textView.setTransformationMethod(method);
}
return textView;
}
@Test
public void unmasksWhenFocusChangesBackToCardEditText() {
TransformationMethod originalMethod = mView.getTransformationMethod();
mView.setMask(true);
type("4111111111111111");
mView.onFocusChanged(false, 1, null);
assertTrue(mView.getTransformationMethod() instanceof CardNumberTransformation);
mView.onFocusChanged(true, 1, null);
assertEquals(originalMethod, mView.getTransformationMethod());
}
/**
* 设置文本视图显示转换
* @param view {@link TextView}
* @param method {@link TransformationMethod}
* @return {@link View}
*/
public static View setTransformationMethod(final View view, final TransformationMethod method) {
setTransformationMethod(getTextView(view), method);
return view;
}