use of android.util.TypedValue in project platform_frameworks_base by android.
the class Resources method parseBundleExtra.
/**
* Parse a name/value pair out of an XML tag holding that data. The
* AttributeSet must be holding the data defined by
* {@link android.R.styleable#Extra}. The following value types are supported:
* <ul>
* <li> {@link TypedValue#TYPE_STRING}:
* {@link Bundle#putCharSequence Bundle.putCharSequence()}
* <li> {@link TypedValue#TYPE_INT_BOOLEAN}:
* {@link Bundle#putCharSequence Bundle.putBoolean()}
* <li> {@link TypedValue#TYPE_FIRST_INT}-{@link TypedValue#TYPE_LAST_INT}:
* {@link Bundle#putCharSequence Bundle.putBoolean()}
* <li> {@link TypedValue#TYPE_FLOAT}:
* {@link Bundle#putCharSequence Bundle.putFloat()}
* </ul>
*
* @param tagName The name of the tag these attributes come from; this is
* only used for reporting error messages.
* @param attrs The attributes from which to retrieve the name/value pair.
* @param outBundle The Bundle in which to place the parsed value.
* @throws XmlPullParserException If the attributes are not valid.
*/
public void parseBundleExtra(String tagName, AttributeSet attrs, Bundle outBundle) throws XmlPullParserException {
TypedArray sa = obtainAttributes(attrs, com.android.internal.R.styleable.Extra);
String name = sa.getString(com.android.internal.R.styleable.Extra_name);
if (name == null) {
sa.recycle();
throw new XmlPullParserException("<" + tagName + "> requires an android:name attribute at " + attrs.getPositionDescription());
}
TypedValue v = sa.peekValue(com.android.internal.R.styleable.Extra_value);
if (v != null) {
if (v.type == TypedValue.TYPE_STRING) {
CharSequence cs = v.coerceToString();
outBundle.putCharSequence(name, cs);
} else if (v.type == TypedValue.TYPE_INT_BOOLEAN) {
outBundle.putBoolean(name, v.data != 0);
} else if (v.type >= TypedValue.TYPE_FIRST_INT && v.type <= TypedValue.TYPE_LAST_INT) {
outBundle.putInt(name, v.data);
} else if (v.type == TypedValue.TYPE_FLOAT) {
outBundle.putFloat(name, v.getFloat());
} else {
sa.recycle();
throw new XmlPullParserException("<" + tagName + "> only supports string, integer, float, color, and boolean at " + attrs.getPositionDescription());
}
} else {
sa.recycle();
throw new XmlPullParserException("<" + tagName + "> requires an android:value or android:resource attribute at " + attrs.getPositionDescription());
}
sa.recycle();
}
use of android.util.TypedValue in project platform_frameworks_base by android.
the class Resources method obtainTempTypedValue.
/**
* Returns a TypedValue suitable for temporary use. The obtained TypedValue
* should be released using {@link #releaseTempTypedValue(TypedValue)}.
*
* @return a typed value suitable for temporary use
*/
private TypedValue obtainTempTypedValue() {
TypedValue tmpValue = null;
synchronized (mTmpValueLock) {
if (mTmpValue != null) {
tmpValue = mTmpValue;
mTmpValue = null;
}
}
if (tmpValue == null) {
return new TypedValue();
}
return tmpValue;
}
use of android.util.TypedValue in project platform_frameworks_base by android.
the class Resources method getColor.
/**
* Returns a themed color integer associated with a particular resource ID.
* If the resource holds a complex {@link ColorStateList}, then the default
* color from the set is returned.
*
* @param id The desired resource identifier, as generated by the aapt
* tool. This integer encodes the package, type, and resource
* entry. The value 0 is an invalid identifier.
* @param theme The theme used to style the color attributes, may be
* {@code null}.
*
* @throws NotFoundException Throws NotFoundException if the given ID does
* not exist.
*
* @return A single color value in the form 0xAARRGGBB.
*/
@ColorInt
public int getColor(@ColorRes int id, @Nullable Theme theme) throws NotFoundException {
final TypedValue value = obtainTempTypedValue();
try {
final ResourcesImpl impl = mResourcesImpl;
impl.getValue(id, value, true);
if (value.type >= TypedValue.TYPE_FIRST_INT && value.type <= TypedValue.TYPE_LAST_INT) {
return value.data;
} else if (value.type != TypedValue.TYPE_STRING) {
throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id) + " type #0x" + Integer.toHexString(value.type) + " is not valid");
}
final ColorStateList csl = impl.loadColorStateList(this, value, id, theme);
return csl.getDefaultColor();
} finally {
releaseTempTypedValue(value);
}
}
use of android.util.TypedValue in project platform_frameworks_base by android.
the class Resources method getDrawable.
/**
* Return a drawable object associated with a particular resource ID and
* styled for the specified theme. Various types of objects will be
* returned depending on the underlying resource -- for example, a solid
* color, PNG image, scalable image, etc.
*
* @param id The desired resource identifier, as generated by the aapt
* tool. This integer encodes the package, type, and resource
* entry. The value 0 is an invalid identifier.
* @param theme The theme used to style the drawable attributes, may be {@code null}.
* @return Drawable An object that can be used to draw this resource.
* @throws NotFoundException Throws NotFoundException if the given ID does
* not exist.
*/
public Drawable getDrawable(@DrawableRes int id, @Nullable Theme theme) throws NotFoundException {
final TypedValue value = obtainTempTypedValue();
try {
final ResourcesImpl impl = mResourcesImpl;
impl.getValue(id, value, true);
return impl.loadDrawable(this, value, id, theme, true);
} finally {
releaseTempTypedValue(value);
}
}
use of android.util.TypedValue in project platform_frameworks_base by android.
the class WindowDecorActionBar method getThemedContext.
public Context getThemedContext() {
if (mThemedContext == null) {
TypedValue outValue = new TypedValue();
Resources.Theme currentTheme = mContext.getTheme();
currentTheme.resolveAttribute(com.android.internal.R.attr.actionBarWidgetTheme, outValue, true);
final int targetThemeRes = outValue.resourceId;
if (targetThemeRes != 0 && mContext.getThemeResId() != targetThemeRes) {
mThemedContext = new ContextThemeWrapper(mContext, targetThemeRes);
} else {
mThemedContext = mContext;
}
}
return mThemedContext;
}
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