本文整理汇总了Java中org.chromium.base.ApiCompatibilityUtils.getBlockCount方法的典型用法代码示例。如果您正苦于以下问题：Java ApiCompatibilityUtils.getBlockCount方法的具体用法？Java ApiCompatibilityUtils.getBlockCount怎么用？Java ApiCompatibilityUtils.getBlockCount使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.chromium.base.ApiCompatibilityUtils的用法示例。
在下文中一共展示了ApiCompatibilityUtils.getBlockCount方法的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: doInBackground
import org.chromium.base.ApiCompatibilityUtils; //导入方法依赖的package包/类
@Override
protected Long doInBackground(Void... params) {
File downloadDirectory = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_DOWNLOADS);
// Create the downloads directory, if necessary.
if (!downloadDirectory.exists()) {
try {
// mkdirs() can fail, so we still need to check if the directory exists
// later.
downloadDirectory.mkdirs();
} catch (SecurityException e) {
Log.e(TAG, "SecurityException when creating download directory.", e);
}
}
// Determine how much space is available on the storage device where downloads
// reside. If the downloads directory doesn't exist, it is likely that the user
// doesn't have an SD card installed.
long blocks = 0;
if (downloadDirectory.exists()) {
StatFs statFs = new StatFs(downloadDirectory.getPath());
if (mFetchTotalSize) {
blocks = ApiCompatibilityUtils.getBlockCount(statFs);
} else {
blocks = ApiCompatibilityUtils.getAvailableBlocks(statFs);
}
return blocks * ApiCompatibilityUtils.getBlockSize(statFs);
} else {
Log.e(TAG, "Download directory doesn't exist.");
return 0L;
}
}