本文整理汇总了Java中android.mtp.MtpConstants类的典型用法代码示例。如果您正苦于以下问题：Java MtpConstants类的具体用法？Java MtpConstants怎么用？Java MtpConstants使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
MtpConstants类属于android.mtp包，在下文中一共展示了MtpConstants类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: indexDevice
import android.mtp.MtpConstants; //导入依赖的package包/类
private void indexDevice() throws IndexingException {
synchronized (MtpDeviceIndex.this) {
mProgress = Progress.Started;
}
mBucketsTemp = new HashMap<SimpleDate, DateBucket>();
for (int storageId : mDevice.getStorageIds()) {
if (mDevice != getDevice()) throw new IndexingException();
Stack<Integer> pendingDirectories = new Stack<Integer>();
pendingDirectories.add(0xFFFFFFFF); // start at the root of the device
while (!pendingDirectories.isEmpty()) {
if (mDevice != getDevice()) throw new IndexingException();
int dirHandle = pendingDirectories.pop();
for (int objectHandle : mDevice.getObjectHandles(storageId, 0, dirHandle)) {
MtpObjectInfo objectInfo = mDevice.getObjectInfo(objectHandle);
if (objectInfo == null) throw new IndexingException();
int format = objectInfo.getFormat();
if (format == MtpConstants.FORMAT_ASSOCIATION) {
pendingDirectories.add(objectHandle);
} else if (SUPPORTED_IMAGE_FORMATS.contains(format)
|| SUPPORTED_VIDEO_FORMATS.contains(format)) {
addObject(objectInfo);
}
}
}
}
Collection<DateBucket> values = mBucketsTemp.values();
mBucketsTemp = null;
mBuckets = values.toArray(new DateBucket[values.size()]);
values = null;
synchronized (MtpDeviceIndex.this) {
mProgress = Progress.Sorting;
if (mProgressListener != null) {
mProgressListener.onSorting();
}
}
sortAll();
buildLookupIndex();
synchronized (MtpDeviceIndex.this) {
if (mDevice != getDevice()) throw new IndexingException();
copyResults();
/*
* In order for getBuckets to operate in constant time for descending
* order, we must precompute a reversed array of the buckets, mainly
* because the android.widget.SectionIndexer interface which adapters
* that call getBuckets implement depends on section numbers to be
* ascending relative to the scroll position, so we must have this for
* descending order or the scrollbar goes crazy.
*/
computeReversedBuckets();
mProgress = Progress.Finished;
if (mProgressListener != null) {
mProgressListener.onIndexFinish();
}
}
}