| Methods Summary |
|---|
| public void | animateTransform(android.graphics.Matrix matrix)
if (mDrawable == null) {
return;
}
if (matrix == null) {
mDrawable.setBounds(0, 0, getWidth(), getHeight());
} else {
mDrawable.setBounds(0, 0, mDrawableWidth, mDrawableHeight);
if (mDrawMatrix == null) {
mDrawMatrix = new Matrix();
}
mDrawMatrix.set(matrix);
}
invalidate();
|
| private void | applyColorMod()
// Only mutate and apply when modifications have occurred. This should
// not reset the mColorMod flag, since these filters need to be
// re-applied if the Drawable is changed.
if (mDrawable != null && mColorMod) {
mDrawable = mDrawable.mutate();
if (mHasColorFilter) {
mDrawable.setColorFilter(mColorFilter);
}
mDrawable.setXfermode(mXfermode);
mDrawable.setAlpha(mAlpha * mViewAlphaScale >> 8);
}
|
| private void | applyImageTint()
if (mDrawable != null && (mHasDrawableTint || mHasDrawableTintMode)) {
mDrawable = mDrawable.mutate();
if (mHasDrawableTint) {
mDrawable.setTintList(mDrawableTintList);
}
if (mHasDrawableTintMode) {
mDrawable.setTintMode(mDrawableTintMode);
}
// The drawable (or one of its children) may not have been
// stateful before applying the tint, so let's try again.
if (mDrawable.isStateful()) {
mDrawable.setState(getDrawableState());
}
}
|
| public final void | clearColorFilter()
setColorFilter(null);
|
| private void | configureBounds()
if (mDrawable == null || !mHaveFrame) {
return;
}
int dwidth = mDrawableWidth;
int dheight = mDrawableHeight;
int vwidth = getWidth() - mPaddingLeft - mPaddingRight;
int vheight = getHeight() - mPaddingTop - mPaddingBottom;
boolean fits = (dwidth < 0 || vwidth == dwidth) &&
(dheight < 0 || vheight == dheight);
if (dwidth <= 0 || dheight <= 0 || ScaleType.FIT_XY == mScaleType) {
/* If the drawable has no intrinsic size, or we're told to
scaletofit, then we just fill our entire view.
*/
mDrawable.setBounds(0, 0, vwidth, vheight);
mDrawMatrix = null;
} else {
// We need to do the scaling ourself, so have the drawable
// use its native size.
mDrawable.setBounds(0, 0, dwidth, dheight);
if (ScaleType.MATRIX == mScaleType) {
// Use the specified matrix as-is.
if (mMatrix.isIdentity()) {
mDrawMatrix = null;
} else {
mDrawMatrix = mMatrix;
}
} else if (fits) {
// The bitmap fits exactly, no transform needed.
mDrawMatrix = null;
} else if (ScaleType.CENTER == mScaleType) {
// Center bitmap in view, no scaling.
mDrawMatrix = mMatrix;
mDrawMatrix.setTranslate((int) ((vwidth - dwidth) * 0.5f + 0.5f),
(int) ((vheight - dheight) * 0.5f + 0.5f));
} else if (ScaleType.CENTER_CROP == mScaleType) {
mDrawMatrix = mMatrix;
float scale;
float dx = 0, dy = 0;
if (dwidth * vheight > vwidth * dheight) {
scale = (float) vheight / (float) dheight;
dx = (vwidth - dwidth * scale) * 0.5f;
} else {
scale = (float) vwidth / (float) dwidth;
dy = (vheight - dheight * scale) * 0.5f;
}
mDrawMatrix.setScale(scale, scale);
mDrawMatrix.postTranslate((int) (dx + 0.5f), (int) (dy + 0.5f));
} else if (ScaleType.CENTER_INSIDE == mScaleType) {
mDrawMatrix = mMatrix;
float scale;
float dx;
float dy;
if (dwidth <= vwidth && dheight <= vheight) {
scale = 1.0f;
} else {
scale = Math.min((float) vwidth / (float) dwidth,
(float) vheight / (float) dheight);
}
dx = (int) ((vwidth - dwidth * scale) * 0.5f + 0.5f);
dy = (int) ((vheight - dheight * scale) * 0.5f + 0.5f);
mDrawMatrix.setScale(scale, scale);
mDrawMatrix.postTranslate(dx, dy);
} else {
// Generate the required transform.
mTempSrc.set(0, 0, dwidth, dheight);
mTempDst.set(0, 0, vwidth, vheight);
mDrawMatrix = mMatrix;
mDrawMatrix.setRectToRect(mTempSrc, mTempDst, scaleTypeToScaleToFit(mScaleType));
}
}
|
| public void | drawableHotspotChanged(float x, float y)
super.drawableHotspotChanged(x, y);
if (mDrawable != null) {
mDrawable.setHotspot(x, y);
}
|
| protected void | drawableStateChanged()
super.drawableStateChanged();
Drawable d = mDrawable;
if (d != null && d.isStateful()) {
d.setState(getDrawableState());
}
|
| public boolean | getAdjustViewBounds()True when ImageView is adjusting its bounds
to preserve the aspect ratio of its drawable
return mAdjustViewBounds;
|
| public int | getBaseline()Return the offset of the widget's text baseline from the widget's top
boundary.
if (mBaselineAlignBottom) {
return getMeasuredHeight();
} else {
return mBaseline;
}
|
| public boolean | getBaselineAlignBottom()Return whether this view's baseline will be considered the bottom of the view.
return mBaselineAlignBottom;
|
| public android.graphics.ColorFilter | getColorFilter()Returns the active color filter for this ImageView.
return mColorFilter;
|
| public boolean | getCropToPadding()Return whether this ImageView crops to padding.
return mCropToPadding;
|
| public android.graphics.drawable.Drawable | getDrawable()Return the view's drawable, or null if no drawable has been
assigned.
return mDrawable;
|
| public int | getImageAlpha()Returns the alpha that will be applied to the drawable of this ImageView.
return mAlpha;
|
| public android.graphics.Matrix | getImageMatrix()Return the view's optional matrix. This is applied to the
view's drawable when it is drawn. If there is no matrix,
this method will return an identity matrix.
Do not change this matrix in place but make a copy.
If you want a different matrix applied to the drawable,
be sure to call setImageMatrix().
if (mDrawMatrix == null) {
return new Matrix(Matrix.IDENTITY_MATRIX);
}
return mDrawMatrix;
|
| public android.content.res.ColorStateList | getImageTintList()
return mDrawableTintList;
|
| public PorterDuff.Mode | getImageTintMode()
return mDrawableTintMode;
|
| public int | getMaxHeight()The maximum height of this view.
return mMaxHeight;
|
| public int | getMaxWidth()The maximum width of this view.
return mMaxWidth;
|
| public android.widget.ImageView$ScaleType | getScaleType()Return the current scale type in use by this ImageView.
return mScaleType;
|
| public boolean | hasOverlappingRendering()
return (getBackground() != null && getBackground().getCurrent() != null);
|
| private void | initImageView()
mMatrix = new Matrix();
mScaleType = ScaleType.FIT_CENTER;
mAdjustViewBoundsCompat = mContext.getApplicationInfo().targetSdkVersion <=
Build.VERSION_CODES.JELLY_BEAN_MR1;
|
| public void | invalidateDrawable(android.graphics.drawable.Drawable dr)
if (dr == mDrawable) {
/* we invalidate the whole view in this case because it's very
* hard to know where the drawable actually is. This is made
* complicated because of the offsets and transformations that
* can be applied. In theory we could get the drawable's bounds
* and run them through the transformation and offsets, but this
* is probably not worth the effort.
*/
invalidate();
} else {
super.invalidateDrawable(dr);
}
|
| private boolean | isFilledByImage()
if (mDrawable == null) {
return false;
}
final Rect bounds = mDrawable.getBounds();
final Matrix matrix = mDrawMatrix;
if (matrix == null) {
return bounds.left <= 0 && bounds.top <= 0 && bounds.right >= getWidth()
&& bounds.bottom >= getHeight();
} else if (matrix.rectStaysRect()) {
final RectF boundsSrc = mTempSrc;
final RectF boundsDst = mTempDst;
boundsSrc.set(bounds);
matrix.mapRect(boundsDst, boundsSrc);
return boundsDst.left <= 0 && boundsDst.top <= 0 && boundsDst.right >= getWidth()
&& boundsDst.bottom >= getHeight();
} else {
// If the matrix doesn't map to a rectangle, assume the worst.
return false;
}
|
| public boolean | isOpaque()
return super.isOpaque() || mDrawable != null && mXfermode == null
&& mDrawable.getOpacity() == PixelFormat.OPAQUE
&& mAlpha * mViewAlphaScale >> 8 == 255
&& isFilledByImage();
|
| public void | jumpDrawablesToCurrentState()
super.jumpDrawablesToCurrentState();
if (mDrawable != null) mDrawable.jumpToCurrentState();
|
| protected void | onAttachedToWindow()
super.onAttachedToWindow();
if (mDrawable != null) {
mDrawable.setVisible(getVisibility() == VISIBLE, false);
}
|
| public int[] | onCreateDrawableState(int extraSpace)
if (mState == null) {
return super.onCreateDrawableState(extraSpace);
} else if (!mMergeState) {
return mState;
} else {
return mergeDrawableStates(
super.onCreateDrawableState(extraSpace + mState.length), mState);
}
|
| protected void | onDetachedFromWindow()
super.onDetachedFromWindow();
if (mDrawable != null) {
mDrawable.setVisible(false, false);
}
|
| protected void | onDraw(android.graphics.Canvas canvas)
super.onDraw(canvas);
if (mDrawable == null) {
return; // couldn't resolve the URI
}
if (mDrawableWidth == 0 || mDrawableHeight == 0) {
return; // nothing to draw (empty bounds)
}
if (mDrawMatrix == null && mPaddingTop == 0 && mPaddingLeft == 0) {
mDrawable.draw(canvas);
} else {
int saveCount = canvas.getSaveCount();
canvas.save();
if (mCropToPadding) {
final int scrollX = mScrollX;
final int scrollY = mScrollY;
canvas.clipRect(scrollX + mPaddingLeft, scrollY + mPaddingTop,
scrollX + mRight - mLeft - mPaddingRight,
scrollY + mBottom - mTop - mPaddingBottom);
}
canvas.translate(mPaddingLeft, mPaddingTop);
if (mDrawMatrix != null) {
canvas.concat(mDrawMatrix);
}
mDrawable.draw(canvas);
canvas.restoreToCount(saveCount);
}
|
| public void | onInitializeAccessibilityEvent(android.view.accessibility.AccessibilityEvent event)
super.onInitializeAccessibilityEvent(event);
event.setClassName(ImageView.class.getName());
|
| public void | onInitializeAccessibilityNodeInfo(android.view.accessibility.AccessibilityNodeInfo info)
super.onInitializeAccessibilityNodeInfo(info);
info.setClassName(ImageView.class.getName());
|
| protected void | onMeasure(int widthMeasureSpec, int heightMeasureSpec)
resolveUri();
int w;
int h;
// Desired aspect ratio of the view's contents (not including padding)
float desiredAspect = 0.0f;
// We are allowed to change the view's width
boolean resizeWidth = false;
// We are allowed to change the view's height
boolean resizeHeight = false;
final int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec);
final int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);
if (mDrawable == null) {
// If no drawable, its intrinsic size is 0.
mDrawableWidth = -1;
mDrawableHeight = -1;
w = h = 0;
} else {
w = mDrawableWidth;
h = mDrawableHeight;
if (w <= 0) w = 1;
if (h <= 0) h = 1;
// We are supposed to adjust view bounds to match the aspect
// ratio of our drawable. See if that is possible.
if (mAdjustViewBounds) {
resizeWidth = widthSpecMode != MeasureSpec.EXACTLY;
resizeHeight = heightSpecMode != MeasureSpec.EXACTLY;
desiredAspect = (float) w / (float) h;
}
}
int pleft = mPaddingLeft;
int pright = mPaddingRight;
int ptop = mPaddingTop;
int pbottom = mPaddingBottom;
int widthSize;
int heightSize;
if (resizeWidth || resizeHeight) {
/* If we get here, it means we want to resize to match the
drawables aspect ratio, and we have the freedom to change at
least one dimension.
*/
// Get the max possible width given our constraints
widthSize = resolveAdjustedSize(w + pleft + pright, mMaxWidth, widthMeasureSpec);
// Get the max possible height given our constraints
heightSize = resolveAdjustedSize(h + ptop + pbottom, mMaxHeight, heightMeasureSpec);
if (desiredAspect != 0.0f) {
// See what our actual aspect ratio is
float actualAspect = (float)(widthSize - pleft - pright) /
(heightSize - ptop - pbottom);
if (Math.abs(actualAspect - desiredAspect) > 0.0000001) {
boolean done = false;
// Try adjusting width to be proportional to height
if (resizeWidth) {
int newWidth = (int)(desiredAspect * (heightSize - ptop - pbottom)) +
pleft + pright;
// Allow the width to outgrow its original estimate if height is fixed.
if (!resizeHeight && !mAdjustViewBoundsCompat) {
widthSize = resolveAdjustedSize(newWidth, mMaxWidth, widthMeasureSpec);
}
if (newWidth <= widthSize) {
widthSize = newWidth;
done = true;
}
}
// Try adjusting height to be proportional to width
if (!done && resizeHeight) {
int newHeight = (int)((widthSize - pleft - pright) / desiredAspect) +
ptop + pbottom;
// Allow the height to outgrow its original estimate if width is fixed.
if (!resizeWidth && !mAdjustViewBoundsCompat) {
heightSize = resolveAdjustedSize(newHeight, mMaxHeight,
heightMeasureSpec);
}
if (newHeight <= heightSize) {
heightSize = newHeight;
}
}
}
}
} else {
/* We are either don't want to preserve the drawables aspect ratio,
or we are not allowed to change view dimensions. Just measure in
the normal way.
*/
w += pleft + pright;
h += ptop + pbottom;
w = Math.max(w, getSuggestedMinimumWidth());
h = Math.max(h, getSuggestedMinimumHeight());
widthSize = resolveSizeAndState(w, widthMeasureSpec, 0);
heightSize = resolveSizeAndState(h, heightMeasureSpec, 0);
}
setMeasuredDimension(widthSize, heightSize);
|
| public void | onPopulateAccessibilityEvent(android.view.accessibility.AccessibilityEvent event)
super.onPopulateAccessibilityEvent(event);
CharSequence contentDescription = getContentDescription();
if (!TextUtils.isEmpty(contentDescription)) {
event.getText().add(contentDescription);
}
|
| public void | onRtlPropertiesChanged(int layoutDirection)
super.onRtlPropertiesChanged(layoutDirection);
if (mDrawable != null) {
mDrawable.setLayoutDirection(layoutDirection);
}
|
| private void | resizeFromDrawable()
Drawable d = mDrawable;
if (d != null) {
int w = d.getIntrinsicWidth();
if (w < 0) w = mDrawableWidth;
int h = d.getIntrinsicHeight();
if (h < 0) h = mDrawableHeight;
if (w != mDrawableWidth || h != mDrawableHeight) {
mDrawableWidth = w;
mDrawableHeight = h;
requestLayout();
}
}
|
| private int | resolveAdjustedSize(int desiredSize, int maxSize, int measureSpec)
int result = desiredSize;
int specMode = MeasureSpec.getMode(measureSpec);
int specSize = MeasureSpec.getSize(measureSpec);
switch (specMode) {
case MeasureSpec.UNSPECIFIED:
/* Parent says we can be as big as we want. Just don't be larger
than max size imposed on ourselves.
*/
result = Math.min(desiredSize, maxSize);
break;
case MeasureSpec.AT_MOST:
// Parent says we can be as big as we want, up to specSize.
// Don't be larger than specSize, and don't be larger than
// the max size imposed on ourselves.
result = Math.min(Math.min(desiredSize, specSize), maxSize);
break;
case MeasureSpec.EXACTLY:
// No choice. Do what we are told.
result = specSize;
break;
}
return result;
|
| private void | resolveUri()
if (mDrawable != null) {
return;
}
Resources rsrc = getResources();
if (rsrc == null) {
return;
}
Drawable d = null;
if (mResource != 0) {
try {
d = mContext.getDrawable(mResource);
} catch (Exception e) {
Log.w("ImageView", "Unable to find resource: " + mResource, e);
// Don't try again.
mUri = null;
}
} else if (mUri != null) {
String scheme = mUri.getScheme();
if (ContentResolver.SCHEME_ANDROID_RESOURCE.equals(scheme)) {
try {
// Load drawable through Resources, to get the source density information
ContentResolver.OpenResourceIdResult r =
mContext.getContentResolver().getResourceId(mUri);
d = r.r.getDrawable(r.id, mContext.getTheme());
} catch (Exception e) {
Log.w("ImageView", "Unable to open content: " + mUri, e);
}
} else if (ContentResolver.SCHEME_CONTENT.equals(scheme)
|| ContentResolver.SCHEME_FILE.equals(scheme)) {
InputStream stream = null;
try {
stream = mContext.getContentResolver().openInputStream(mUri);
d = Drawable.createFromStream(stream, null);
} catch (Exception e) {
Log.w("ImageView", "Unable to open content: " + mUri, e);
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
Log.w("ImageView", "Unable to close content: " + mUri, e);
}
}
}
} else {
d = Drawable.createFromPath(mUri.toString());
}
if (d == null) {
System.out.println("resolveUri failed on bad bitmap uri: " + mUri);
// Don't try again.
mUri = null;
}
} else {
return;
}
updateDrawable(d);
|
| private static Matrix.ScaleToFit | scaleTypeToScaleToFit(android.widget.ImageView$ScaleType st)
// ScaleToFit enum to their corresponding Matrix.ScaleToFit values
return sS2FArray[st.nativeInt - 1];
|
| public void | setAdjustViewBounds(boolean adjustViewBounds)Set this to true if you want the ImageView to adjust its bounds
to preserve the aspect ratio of its drawable.
Note: If the application targets API level 17 or lower,
adjustViewBounds will allow the drawable to shrink the view bounds, but not grow
to fill available measured space in all cases. This is for compatibility with
legacy {@link android.view.View.MeasureSpec MeasureSpec} and
{@link android.widget.RelativeLayout RelativeLayout} behavior.
mAdjustViewBounds = adjustViewBounds;
if (adjustViewBounds) {
setScaleType(ScaleType.FIT_CENTER);
}
|
| public void | setAlpha(int alpha)Sets the alpha value that should be applied to the image.
alpha &= 0xFF; // keep it legal
if (mAlpha != alpha) {
mAlpha = alpha;
mColorMod = true;
applyColorMod();
invalidate();
}
|
| public void | setBaseline(int baseline)Set the offset of the widget's text baseline from the widget's top
boundary. This value is overridden by the {@link #setBaselineAlignBottom(boolean)}
property.
if (mBaseline != baseline) {
mBaseline = baseline;
requestLayout();
}
|
| public void | setBaselineAlignBottom(boolean aligned)Set whether to set the baseline of this view to the bottom of the view.
Setting this value overrides any calls to setBaseline.
if (mBaselineAlignBottom != aligned) {
mBaselineAlignBottom = aligned;
requestLayout();
}
|
| public final void | setColorFilter(int color, PorterDuff.Mode mode)Set a tinting option for the image.
setColorFilter(new PorterDuffColorFilter(color, mode));
|
| public final void | setColorFilter(int color)Set a tinting option for the image. Assumes
{@link PorterDuff.Mode#SRC_ATOP} blending mode.
setColorFilter(color, PorterDuff.Mode.SRC_ATOP);
|
| public void | setColorFilter(android.graphics.ColorFilter cf)Apply an arbitrary colorfilter to the image.
if (mColorFilter != cf) {
mColorFilter = cf;
mHasColorFilter = true;
mColorMod = true;
applyColorMod();
invalidate();
}
|
| public void | setCropToPadding(boolean cropToPadding)Sets whether this ImageView will crop to padding.
if (mCropToPadding != cropToPadding) {
mCropToPadding = cropToPadding;
requestLayout();
invalidate();
}
|
| protected boolean | setFrame(int l, int t, int r, int b)
boolean changed = super.setFrame(l, t, r, b);
mHaveFrame = true;
configureBounds();
return changed;
|
| public void | setImageAlpha(int alpha)Sets the alpha value that should be applied to the image.
setAlpha(alpha);
|
| public void | setImageBitmap(android.graphics.Bitmap bm)Sets a Bitmap as the content of this ImageView.
// if this is used frequently, may handle bitmaps explicitly
// to reduce the intermediate drawable object
setImageDrawable(new BitmapDrawable(mContext.getResources(), bm));
|
| public void | setImageDrawable(android.graphics.drawable.Drawable drawable)Sets a drawable as the content of this ImageView.
if (mDrawable != drawable) {
mResource = 0;
mUri = null;
final int oldWidth = mDrawableWidth;
final int oldHeight = mDrawableHeight;
updateDrawable(drawable);
if (oldWidth != mDrawableWidth || oldHeight != mDrawableHeight) {
requestLayout();
}
invalidate();
}
|
| public void | setImageLevel(int level)Sets the image level, when it is constructed from a
{@link android.graphics.drawable.LevelListDrawable}.
mLevel = level;
if (mDrawable != null) {
mDrawable.setLevel(level);
resizeFromDrawable();
}
|
| public void | setImageMatrix(android.graphics.Matrix matrix)
// collaps null and identity to just null
if (matrix != null && matrix.isIdentity()) {
matrix = null;
}
// don't invalidate unless we're actually changing our matrix
if (matrix == null && !mMatrix.isIdentity() ||
matrix != null && !mMatrix.equals(matrix)) {
mMatrix.set(matrix);
configureBounds();
invalidate();
}
|
| public void | setImageResource(int resId)Sets a drawable as the content of this ImageView.
This does Bitmap reading and decoding on the UI
thread, which can cause a latency hiccup. If that's a concern,
consider using {@link #setImageDrawable(android.graphics.drawable.Drawable)} or
{@link #setImageBitmap(android.graphics.Bitmap)} and
{@link android.graphics.BitmapFactory} instead.
// The resource configuration may have changed, so we should always
// try to load the resource even if the resId hasn't changed.
final int oldWidth = mDrawableWidth;
final int oldHeight = mDrawableHeight;
updateDrawable(null);
mResource = resId;
mUri = null;
resolveUri();
if (oldWidth != mDrawableWidth || oldHeight != mDrawableHeight) {
requestLayout();
}
invalidate();
|
| public void | setImageState(int[] state, boolean merge)
mState = state;
mMergeState = merge;
if (mDrawable != null) {
refreshDrawableState();
resizeFromDrawable();
}
|
| public void | setImageTintList(android.content.res.ColorStateList tint)Applies a tint to the image drawable. Does not modify the current tint
mode, which is {@link PorterDuff.Mode#SRC_IN} by default.
Subsequent calls to {@link #setImageDrawable(Drawable)} will automatically
mutate the drawable and apply the specified tint and tint mode using
{@link Drawable#setTintList(ColorStateList)}.
mDrawableTintList = tint;
mHasDrawableTint = true;
applyImageTint();
|
| public void | setImageTintMode(PorterDuff.Mode tintMode)Specifies the blending mode used to apply the tint specified by
{@link #setImageTintList(ColorStateList)}} to the image drawable. The default
mode is {@link PorterDuff.Mode#SRC_IN}.
mDrawableTintMode = tintMode;
mHasDrawableTintMode = true;
applyImageTint();
|
| public void | setImageURI(android.net.Uri uri)Sets the content of this ImageView to the specified Uri.
This does Bitmap reading and decoding on the UI
thread, which can cause a latency hiccup. If that's a concern,
consider using {@link #setImageDrawable(android.graphics.drawable.Drawable)} or
{@link #setImageBitmap(android.graphics.Bitmap)} and
{@link android.graphics.BitmapFactory} instead.
if (mResource != 0 ||
(mUri != uri &&
(uri == null || mUri == null || !uri.equals(mUri)))) {
updateDrawable(null);
mResource = 0;
mUri = uri;
final int oldWidth = mDrawableWidth;
final int oldHeight = mDrawableHeight;
resolveUri();
if (oldWidth != mDrawableWidth || oldHeight != mDrawableHeight) {
requestLayout();
}
invalidate();
}
|
| public void | setMaxHeight(int maxHeight)An optional argument to supply a maximum height for this view. Only valid if
{@link #setAdjustViewBounds(boolean)} has been set to true. To set an image to be a
maximum of 100 x 100 while preserving the original aspect ratio, do the following: 1) set
adjustViewBounds to true 2) set maxWidth and maxHeight to 100 3) set the height and width
layout params to WRAP_CONTENT.
Note that this view could be still smaller than 100 x 100 using this approach if the original
image is small. To set an image to a fixed size, specify that size in the layout params and
then use {@link #setScaleType(android.widget.ImageView.ScaleType)} to determine how to fit
the image within the bounds.
mMaxHeight = maxHeight;
|
| public void | setMaxWidth(int maxWidth)An optional argument to supply a maximum width for this view. Only valid if
{@link #setAdjustViewBounds(boolean)} has been set to true. To set an image to be a maximum
of 100 x 100 while preserving the original aspect ratio, do the following: 1) set
adjustViewBounds to true 2) set maxWidth and maxHeight to 100 3) set the height and width
layout params to WRAP_CONTENT.
Note that this view could be still smaller than 100 x 100 using this approach if the original
image is small. To set an image to a fixed size, specify that size in the layout params and
then use {@link #setScaleType(android.widget.ImageView.ScaleType)} to determine how to fit
the image within the bounds.
mMaxWidth = maxWidth;
|
| public void | setScaleType(android.widget.ImageView$ScaleType scaleType)Controls how the image should be resized or moved to match the size
of this ImageView.
if (scaleType == null) {
throw new NullPointerException();
}
if (mScaleType != scaleType) {
mScaleType = scaleType;
setWillNotCacheDrawing(mScaleType == ScaleType.CENTER);
requestLayout();
invalidate();
}
|
| public void | setSelected(boolean selected)
super.setSelected(selected);
resizeFromDrawable();
|
| public void | setVisibility(int visibility)
super.setVisibility(visibility);
if (mDrawable != null) {
mDrawable.setVisible(visibility == VISIBLE, false);
}
|
| public final void | setXfermode(android.graphics.Xfermode mode)
if (mXfermode != mode) {
mXfermode = mode;
mColorMod = true;
applyColorMod();
invalidate();
}
|
| private void | updateDrawable(android.graphics.drawable.Drawable d)
if (mDrawable != null) {
mDrawable.setCallback(null);
unscheduleDrawable(mDrawable);
}
mDrawable = d;
if (d != null) {
d.setCallback(this);
d.setLayoutDirection(getLayoutDirection());
if (d.isStateful()) {
d.setState(getDrawableState());
}
d.setVisible(getVisibility() == VISIBLE, true);
d.setLevel(mLevel);
mDrawableWidth = d.getIntrinsicWidth();
mDrawableHeight = d.getIntrinsicHeight();
applyImageTint();
applyColorMod();
configureBounds();
} else {
mDrawableWidth = mDrawableHeight = -1;
}
|
| protected boolean | verifyDrawable(android.graphics.drawable.Drawable dr)
return mDrawable == dr || super.verifyDrawable(dr);
|
