下面列出了android.util.AttributeSet#getAttributeValue ( ) 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。
public ColorPicker(Context context, AttributeSet attrs) {
super(context, attrs);
if (attrs != null) {
for (int i = 0; i < attrs.getAttributeCount(); i++) {
if (attrs.getAttributeName(i).equals("defaultValue")) {
final String this_value = attrs.getAttributeValue(i);
if (this_value.length() > 0) {
if (debug)
Log.d(TAG, "Attribute debug: " + i + " " + attrs.getAttributeName(i) + " " + this_value);
if (this_value.startsWith("@")) {
localDefaultValue = Color.parseColor(getStringResourceByName(this_value));
} else {
localDefaultValue = Color.parseColor(this_value);
}
localDefaultValue = Color.parseColor(attrs.getAttributeValue(i));
super.defaultColor = localDefaultValue;
} else {
Log.w(TAG, "No default value for colorpicker");
}
break;
}
}
}
}
private View createViewFromTag(Context context, String name, AttributeSet attrs) {
if (name.equals("view")) {
name = attrs.getAttributeValue(null, "class");
}
try {
mConstructorArgs[0] = context;
mConstructorArgs[1] = attrs;
if (-1 == name.indexOf('.')) {
for (int i = 0; i < sClassPrefixList.length; i++) {
final View view = createView(context, name, sClassPrefixList[i]);
if (view != null) {
return view;
}
}
return null;
} else {
return createView(context, name, null);
}
} catch (Exception e) {
// We do not want to catch these, lets return null and let the actual LayoutInflater
// try
return null;
} finally {
// Don't retain references on context.
mConstructorArgs[0] = null;
mConstructorArgs[1] = null;
}
}
public SeekBarPreference(Context context, AttributeSet attrs) {
super(context, attrs);
if (attrs != null) {
mMinimum = attrs.getAttributeIntValue(null, "minimum", 0);
mMaximum = attrs.getAttributeIntValue(null, "maximum", 100);
mInterval = attrs.getAttributeIntValue(null, "interval", 1);
mDefaultValue = mMinimum;
mMonitorBoxEnabled = attrs.getAttributeBooleanValue(null, "monitorBoxEnabled", false);
mMonitorBoxUnit = attrs.getAttributeValue(null, "monitorBoxUnit");
}
mHandler = new Handler();
}
private static String parsePackageNames(XmlPullParser parser, AttributeSet attrs)
throws IOException, XmlPullParserException, DynamicApkParserException {
int type;
while ((type = parser.next()) != XmlPullParser.START_TAG
&& type != XmlPullParser.END_DOCUMENT) {
}
if (type != XmlPullParser.START_TAG) {
throw new DynamicApkParserException(INSTALL_PARSE_FAILED_MANIFEST_MALFORMED,
"No start tag found");
}
if (!parser.getName().equals("manifest")) {
throw new DynamicApkParserException(INSTALL_PARSE_FAILED_MANIFEST_MALFORMED,
"No <manifest> tag");
}
final String packageName = attrs.getAttributeValue(null, "package");
if (!"android".equals(packageName)) {
final String error = validateName(packageName, true, true);
if (error != null) {
throw new DynamicApkParserException(INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME,
"Invalid manifest package: " + error);
}
}
return packageName.intern();
}
private static String parsePackageName(XmlPullParser parser,
AttributeSet attrs, int flags, String[] outError)
throws IOException, XmlPullParserException {
int type;
while ((type = parser.next()) != XmlPullParser.START_TAG
&& type != XmlPullParser.END_DOCUMENT) {
;
}
if (type != XmlPullParser.START_TAG) {
outError[0] = "No start tag found";
return null;
}
if (DEBUG_PARSER)
Slog.v(TAG, "Root element name: '" + parser.getName() + "'");
if (!parser.getName().equals("manifest")) {
outError[0] = "No <manifest> tag";
return null;
}
String pkgName = attrs.getAttributeValue(null, "package");
if (pkgName == null || pkgName.length() == 0) {
outError[0] = "<manifest> does not specify package";
return null;
}
String nameError = validateName(pkgName, true);
if (nameError != null && !"android".equals(pkgName)) {
outError[0] = "<manifest> specifies bad package name \""
+ pkgName + "\": " + nameError;
return null;
}
return pkgName.intern();
}
public ELABORATE_FEED_REPORT(Context context, AttributeSet attrs) {
super(context, attrs);
setDialogLayoutResource(R.layout.preference_seekbar);
for (int i = 0; i < attrs.getAttributeCount(); i++) {
String attr = attrs.getAttributeName(i);
if (attr.equalsIgnoreCase("pref_kind")) {
prefKind = attrs.getAttributeValue(i);
break;
}
}
}
public FileBrowser(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs);
initFileBrowser(context);
folderResId = attrs.getAttributeResourceValue(namespace, "folder_def", 0);
folderParentResId = attrs
.getAttributeResourceValue(namespace, "folder_parent", folderResId);
fileResId = attrs.getAttributeResourceValue(namespace, "file_def", 0);
String value = attrs.getAttributeValue(namespace, "display");
if (value != null) {
if (value.equals("file")) {
display = DISPLAY_FILE;
} else if (value.equals("folder")) {
display = DISPLAY_FOLDER;
}
}
isBackResp = attrs.getAttributeBooleanValue(namespace, "back_resp", false);
isSort = attrs.getAttributeBooleanValue(namespace, "sort", true);
// 动态扩展名属性
int index = 1;
while (true) {
String extName = attrs.getAttributeValue(namespace, "ext_name" + index);
int fileImageResId = attrs.getAttributeResourceValue(namespace, "ext_image" + index, 0);
// 如果读取不到extName或fileImage属性时跳出循环
if ("".equals(extName) || extName == null || fileImageResId == 0) {
break;
}
extResIdMap.put(extName, fileImageResId);
index++;
}
}
public static List<SkinAttr> getSkinAttrs(AttributeSet attrs, Context context)
{
List<SkinAttr> skinAttrs = new ArrayList<SkinAttr>();
SkinAttr skinAttr = null;
for (int i = 0; i < attrs.getAttributeCount(); i++)
{
String attrName = attrs.getAttributeName(i);
String attrValue = attrs.getAttributeValue(i);
SkinAttrType attrType = getSupprotAttrType(attrName);
if (attrType == null) continue;
if (attrValue.startsWith("@"))
{
int id = Integer.parseInt(attrValue.substring(1));
String entryName = context.getResources().getResourceEntryName(id);
L.e("entryName = " + entryName);
if (entryName.startsWith(SkinConfig.ATTR_PREFIX))
{
skinAttr = new SkinAttr(attrType, entryName);
skinAttrs.add(skinAttr);
}
}
}
return skinAttrs;
}
private void validateAttributes(@Nullable AttributeSet attributeSet) {
if (attributeSet == null) {
return;
}
if (attributeSet.getAttributeValue(NAMESPACE_ANDROID, "background") != null) {
Log.w(TAG, "Do not set the background; Chip manages its own background drawable.");
}
if (attributeSet.getAttributeValue(NAMESPACE_ANDROID, "drawableLeft") != null) {
throw new UnsupportedOperationException("Please set left drawable using R.attr#chipIcon.");
}
if (attributeSet.getAttributeValue(NAMESPACE_ANDROID, "drawableStart") != null) {
throw new UnsupportedOperationException("Please set start drawable using R.attr#chipIcon.");
}
if (attributeSet.getAttributeValue(NAMESPACE_ANDROID, "drawableEnd") != null) {
throw new UnsupportedOperationException("Please set end drawable using R.attr#closeIcon.");
}
if (attributeSet.getAttributeValue(NAMESPACE_ANDROID, "drawableRight") != null) {
throw new UnsupportedOperationException("Please set end drawable using R.attr#closeIcon.");
}
if (!attributeSet.getAttributeBooleanValue(NAMESPACE_ANDROID, "singleLine", true)
|| (attributeSet.getAttributeIntValue(NAMESPACE_ANDROID, "lines", 1) != 1)
|| (attributeSet.getAttributeIntValue(NAMESPACE_ANDROID, "minLines", 1) != 1)
|| (attributeSet.getAttributeIntValue(NAMESPACE_ANDROID, "maxLines", 1) != 1)) {
throw new UnsupportedOperationException("Chip does not support multi-line text");
}
if (attributeSet.getAttributeIntValue(
NAMESPACE_ANDROID, "gravity", (Gravity.CENTER_VERTICAL | Gravity.START))
!= (Gravity.CENTER_VERTICAL | Gravity.START)) {
Log.w(TAG, "Chip text must be vertically center and start aligned");
}
}
public static Boolean getBooleanAttribute(final Context context, final AttributeSet attrs, final String namespace,
final String name, final Boolean defValue) {
final int resId = attrs.getAttributeResourceValue(namespace, name, Integer.MIN_VALUE);
if (resId != Integer.MIN_VALUE) {
return context.getResources().getBoolean(resId);
}
String str = attrs.getAttributeValue(namespace, name);
return str != null ? Boolean.valueOf(str) : defValue;
}
/**
* Reads attribute values and initializes members
*
* @param attrs attributes to read from
*/
private void readAttributes(AttributeSet attrs) {
pawSetting = attrs.getAttributeValue(PIRATEBOX_NAMESPACE, "setting");
isNumeric = attrs.getAttributeValue(ANDROID_NAMESPACE, "numeric") != null ? true : false;
try {
numericDivider = Long.valueOf(attrs.getAttributeValue(PIRATEBOX_NAMESPACE, "numericDivider"));
}
catch(Exception e) {
numericDivider = null;
}
}
/**
* @param attributeSet A collection of attributes which includes the desired MapGenerator.
* @return a new MapGenerator instance.
*/
public static MapGenerator createMapGenerator(AttributeSet attributeSet) {
String mapGeneratorName = attributeSet.getAttributeValue(null, MAP_GENERATOR_ATTRIBUTE_NAME);
if (mapGeneratorName == null) {
return new DatabaseRenderer();
}
MapGeneratorInternal mapGeneratorInternal = MapGeneratorInternal.valueOf(mapGeneratorName);
return MapGeneratorFactory.createMapGenerator(mapGeneratorInternal);
}
public String getAttributeStringValue(Context context1, AttributeSet attributeset, String namespace, String attributeName, String defaultString) {
Resources resources = context1.getResources();
String value = attributeset.getAttributeValue(namespace, attributeName);
if (value == null) {
return defaultString;
} else {
return stringByName(resources, value);
}
}
static View createViewFromTag(Context context, String name, AttributeSet attrs) {
if (name.equals("view")) {
name = attrs.getAttributeValue(null, "class");
}
try {
mConstructorArgs[0] = context;
mConstructorArgs[1] = attrs;
if (-1 == name.indexOf('.')) {
for (int i = 0; i < sClassPrefixList.length; i++) {
final View view = createView(context, name, sClassPrefixList[i]);
if (view != null) {
return view;
}
}
return null;
} else {
return createView(context, name, null);
}
} catch (Exception e) {
// We do not want to catch these, lets return null and let the actual LayoutInflater
// try
return null;
} finally {
// Don't retain references on context.
mConstructorArgs[0] = null;
mConstructorArgs[1] = null;
}
}
private String getAttributeStringValue(AttributeSet attrs, String namespace, String name, String defaultValue) {
String value = attrs.getAttributeValue(namespace, name);
if(value == null)
value = defaultValue;
return value;
}
private void loadFonts(Context context, @Nullable AttributeSet attrs) {
_defaultValue = _fontValues[0];
if (attrs != null) {
for (int i = 0; i < attrs.getAttributeCount(); i++) {
String attrName = attrs.getAttributeName(i);
String attrValue = attrs.getAttributeValue(i);
if (attrName.equalsIgnoreCase("defaultValue")) {
if (attrValue.startsWith("@")) {
int resId = Integer.valueOf(attrValue.substring(1));
attrValue = getContext().getString(resId);
}
_defaultValue = attrValue;
break;
}
}
}
for (File file : getAdditionalFonts()) {
_fontNames = appendToArray(_fontNames, file.getName().replace(".ttf", "").replace(".TTF", ""));
_fontValues = appendToArray(_fontValues, file.getAbsolutePath());
}
Spannable[] fontText = new Spannable[_fontNames.length];
for (int i = 0; i < _fontNames.length; i++) {
fontText[i] = new SpannableString(_fontNames[i] + "\n" + _fontValues[i]);
fontText[i].setSpan(new TypefaceObjectSpan(typeface(getContext(), _fontValues[i], null)), 0, _fontNames[i].length(), 0);
fontText[i].setSpan(new RelativeSizeSpan(0.7f), _fontNames[i].length() + 1, fontText[i].length(), 0);
}
setDefaultValue(_defaultValue);
setEntries(fontText);
setEntryValues(_fontValues);
}
protected void setAttributes(AttributeSet attrs) {
setBackgroundResource(R.drawable.background_checkbox);
// Set size of view
setMinimumHeight(Utils.dpToPx(48, getResources()));
setMinimumWidth(Utils.dpToPx(48, getResources()));
// Set background Color
// Color by resource
int bacgroundColor = attrs.getAttributeResourceValue(ANDROIDXML,
"background", -1);
if (bacgroundColor != -1) {
setBackgroundColor(getResources().getColor(bacgroundColor));
} else {
// Color by hexadecimal
// Color by hexadecimal
int background = attrs.getAttributeIntValue(ANDROIDXML, "background", -1);
if (background != -1)
setBackgroundColor(background);
}
final boolean check = attrs.getAttributeBooleanValue(MATERIALDESIGNXML,
"check", false);
post(new Runnable() {
@Override
public void run() {
setChecked(check);
setPressed(false);
changeBackgroundColor(getResources().getColor(
android.R.color.transparent));
}
});
checkView = new Check(getContext());
checkView.setId(View.generateViewId());
RelativeLayout.LayoutParams params = new LayoutParams(Utils.dpToPx(20,
getResources()), Utils.dpToPx(20, getResources()));
params.addRule(RelativeLayout.CENTER_IN_PARENT, RelativeLayout.TRUE);
checkView.setLayoutParams(params);
addView(checkView);
// Adding text view to checkbox
int textResource = attrs.getAttributeResourceValue(ANDROIDXML, "text", -1);
String text = null;
if(textResource != -1) {
text = getResources().getString(textResource);
} else {
text = attrs.getAttributeValue(ANDROIDXML, "text");
}
if(text != null) {
params.removeRule(RelativeLayout.CENTER_IN_PARENT);
params.addRule(RelativeLayout.CENTER_VERTICAL, RelativeLayout.TRUE);
TextView textView = new TextView(getContext());
RelativeLayout.LayoutParams textViewLayoutParams = new LayoutParams(LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT);
textViewLayoutParams.addRule(RelativeLayout.RIGHT_OF, checkView.getId());
textViewLayoutParams.addRule(RelativeLayout.CENTER_VERTICAL, RelativeLayout.TRUE);
textViewLayoutParams.setMargins(10, 0, 0, 0);
textView.setLayoutParams(textViewLayoutParams);
textView.setText(text);
addView(textView);
}
}
/**
* @param context
* @param attrs
*/
public TimePickerPreference(Context context, AttributeSet attrs) {
super(context, attrs);
defaultValue = attrs.getAttributeValue("http://schemas.android.com/apk/res/android", "defaultValue");
initialize();
}
protected void setAttributes(AttributeSet attrs) {
setBackgroundResource(R.drawable.background_checkbox);
// Set size of view
setMinimumHeight(Utils.dpToPx(48, getResources()));
setMinimumWidth(Utils.dpToPx(48, getResources()));
// Set background Color
// Color by resource
int bacgroundColor = attrs.getAttributeResourceValue(ANDROIDXML,
"background", -1);
if (bacgroundColor != -1) {
setBackgroundColor(getResources().getColor(bacgroundColor));
} else {
// Color by hexadecimal
// Color by hexadecimal
int background = attrs.getAttributeIntValue(ANDROIDXML, "background", -1);
if (background != -1)
setBackgroundColor(background);
}
final boolean check = attrs.getAttributeBooleanValue(MATERIALDESIGNXML,
"check", false);
post(new Runnable() {
@Override
public void run() {
setChecked(check);
setPressed(false);
changeBackgroundColor(getResources().getColor(
android.R.color.transparent));
}
});
checkView = new Check(getContext());
checkView.setId(View.generateViewId());
RelativeLayout.LayoutParams params = new LayoutParams(Utils.dpToPx(20,
getResources()), Utils.dpToPx(20, getResources()));
params.addRule(RelativeLayout.CENTER_IN_PARENT, RelativeLayout.TRUE);
checkView.setLayoutParams(params);
addView(checkView);
// Adding text view to checkbox
int textResource = attrs.getAttributeResourceValue(ANDROIDXML, "text", -1);
String text = null;
if(textResource != -1) {
text = getResources().getString(textResource);
} else {
text = attrs.getAttributeValue(ANDROIDXML, "text");
}
if(text != null) {
params.removeRule(RelativeLayout.CENTER_IN_PARENT);
params.addRule(RelativeLayout.CENTER_VERTICAL, RelativeLayout.TRUE);
TextView textView = new TextView(getContext());
RelativeLayout.LayoutParams textViewLayoutParams = new LayoutParams(LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT);
textViewLayoutParams.addRule(RelativeLayout.RIGHT_OF, checkView.getId());
textViewLayoutParams.addRule(RelativeLayout.CENTER_VERTICAL, RelativeLayout.TRUE);
textViewLayoutParams.setMargins(10, 0, 0, 0);
textView.setLayoutParams(textViewLayoutParams);
textView.setText(text);
addView(textView);
}
}
/**
* Add support for inflating the <fragment> tag.
*/
@Override
public View onCreateView(String name, Context context, AttributeSet attrs) {
if (!"fragment".equals(name)) {
return super.onCreateView(name, context, attrs);
}
String fname = attrs.getAttributeValue(null, "class");
TypedArray a = context.obtainStyledAttributes(attrs, FragmentTag.Fragment);
if (fname == null) {
fname = a.getString(FragmentTag.Fragment_name);
}
int id = a.getResourceId(FragmentTag.Fragment_id, View.NO_ID);
String tag = a.getString(FragmentTag.Fragment_tag);
a.recycle();
if (!Fragment.isSupportFragmentClass(this, fname)) {
// Invalid support lib fragment; let the device's framework handle it.
// This will allow android.app.Fragments to do the right thing.
return super.onCreateView(name, context, attrs);
}
View parent = null; // NOTE: no way to get parent pre-Honeycomb.
int containerId = parent != null ? parent.getId() : 0;
if (containerId == View.NO_ID && id == View.NO_ID && tag == null) {
throw new IllegalArgumentException(attrs.getPositionDescription()
+ ": Must specify unique android:id, android:tag, or have a parent with an id for " + fname);
}
// If we restored from a previous state, we may already have
// instantiated this fragment from the state and should use
// that instance instead of making a new one.
Fragment fragment = id != View.NO_ID ? mFragments.findFragmentById(id) : null;
if (fragment == null && tag != null) {
fragment = mFragments.findFragmentByTag(tag);
}
if (fragment == null && containerId != View.NO_ID) {
fragment = mFragments.findFragmentById(containerId);
}
if (FragmentManagerImpl.DEBUG) Log.v(TAG, "onCreateView: id=0x"
+ Integer.toHexString(id) + " fname=" + fname
+ " existing=" + fragment);
if (fragment == null) {
fragment = Fragment.instantiate(this, fname);
fragment.mFromLayout = true;
fragment.mFragmentId = id != 0 ? id : containerId;
fragment.mContainerId = containerId;
fragment.mTag = tag;
fragment.mInLayout = true;
fragment.mFragmentManager = mFragments;
fragment.onInflate(this, attrs, fragment.mSavedFragmentState);
mFragments.addFragment(fragment, true);
} else if (fragment.mInLayout) {
// A fragment already exists and it is not one we restored from
// previous state.
throw new IllegalArgumentException(attrs.getPositionDescription()
+ ": Duplicate id 0x" + Integer.toHexString(id)
+ ", tag " + tag + ", or parent id 0x" + Integer.toHexString(containerId)
+ " with another fragment for " + fname);
} else {
// This fragment was retained from a previous instance; get it
// going now.
fragment.mInLayout = true;
// If this fragment is newly instantiated (either right now, or
// from last saved state), then give it the attributes to
// initialize itself.
if (!fragment.mRetaining) {
fragment.onInflate(this, attrs, fragment.mSavedFragmentState);
}
mFragments.moveToState(fragment);
}
if (fragment.mView == null) {
throw new IllegalStateException("Fragment " + fname
+ " did not create a view.");
}
if (id != 0) {
fragment.mView.setId(id);
}
if (fragment.mView.getTag() == null) {
fragment.mView.setTag(tag);
}
return fragment.mView;
}