android.os.Environment#getRootDirectory ( )源码实例Demo

下面列出了android.os.Environment#getRootDirectory ( ) 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。

源代码1 项目： FireFiles 文件： ExternalStorageProvider.java

@Override
public Cursor queryRoots(String[] projection) throws FileNotFoundException {
    final MatrixCursor result = new MatrixCursor(resolveRootProjection(projection));
    synchronized (mRootsLock) {
        for (RootInfo root : mRoots.values()) {
            final RowBuilder row = result.newRow();
            row.add(Root.COLUMN_ROOT_ID, root.rootId);
            row.add(Root.COLUMN_FLAGS, root.flags);
            row.add(Root.COLUMN_TITLE, root.title);
            row.add(Root.COLUMN_DOCUMENT_ID, root.docId);
            row.add(Root.COLUMN_PATH, root.path);
            if(ROOT_ID_PRIMARY_EMULATED.equals(root.rootId)
                    || root.rootId.startsWith(ROOT_ID_SECONDARY)
                    || root.rootId.startsWith(ROOT_ID_PHONE)) {
                final File file = root.rootId.startsWith(ROOT_ID_PHONE)
                        ? Environment.getRootDirectory() : root.path;
                row.add(Root.COLUMN_AVAILABLE_BYTES, file.getFreeSpace());
                row.add(Root.COLUMN_CAPACITY_BYTES, file.getTotalSpace());
            }
        }
    }
    return result;
}

源代码2 项目： FireFiles 文件： ExternalStorageProvider.java

@Override
public Cursor queryRoots(String[] projection) throws FileNotFoundException {
    final MatrixCursor result = new MatrixCursor(resolveRootProjection(projection));
    synchronized (mRootsLock) {
        for (RootInfo root : mRoots.values()) {
            final RowBuilder row = result.newRow();
            row.add(Root.COLUMN_ROOT_ID, root.rootId);
            row.add(Root.COLUMN_FLAGS, root.flags);
            row.add(Root.COLUMN_TITLE, root.title);
            row.add(Root.COLUMN_DOCUMENT_ID, root.docId);
            row.add(Root.COLUMN_PATH, root.path);
            if(ROOT_ID_PRIMARY_EMULATED.equals(root.rootId)
                    || root.rootId.startsWith(ROOT_ID_SECONDARY)
                    || root.rootId.startsWith(ROOT_ID_PHONE)) {
                final File file = root.rootId.startsWith(ROOT_ID_PHONE)
                        ? Environment.getRootDirectory() : root.path;
                row.add(Root.COLUMN_AVAILABLE_BYTES, file.getFreeSpace());
                row.add(Root.COLUMN_CAPACITY_BYTES, file.getTotalSpace());
            }
        }
    }
    return result;
}

源代码3 项目： FireFiles 文件： ExternalStorageProvider.java

@Override
public Cursor queryRoots(String[] projection) throws FileNotFoundException {
    final MatrixCursor result = new MatrixCursor(resolveRootProjection(projection));
    synchronized (mRootsLock) {
        for (RootInfo root : mRoots.values()) {
            final RowBuilder row = result.newRow();
            row.add(Root.COLUMN_ROOT_ID, root.rootId);
            row.add(Root.COLUMN_FLAGS, root.flags);
            row.add(Root.COLUMN_TITLE, root.title);
            row.add(Root.COLUMN_DOCUMENT_ID, root.docId);
            row.add(Root.COLUMN_PATH, root.path);
            if(ROOT_ID_PRIMARY_EMULATED.equals(root.rootId)
                    || root.rootId.startsWith(ROOT_ID_SECONDARY)
                    || root.rootId.startsWith(ROOT_ID_PHONE)) {
                final File file = root.rootId.startsWith(ROOT_ID_PHONE)
                        ? Environment.getRootDirectory() : root.path;
                row.add(Root.COLUMN_AVAILABLE_BYTES, file.getFreeSpace());
                row.add(Root.COLUMN_CAPACITY_BYTES, file.getTotalSpace());
            }
        }
    }
    return result;
}

源代码4 项目： IPTVFree 文件： FileSelector.java

public FileSelector(final Context context, final FileOperation operation,
		final OnHandleFileListener onHandleFileListener, final String[] fileFilters) {
	mContext = context;
	mOnHandleFileListener = onHandleFileListener;

	final File sdCard = Environment.getExternalStorageDirectory();
	if (sdCard.canRead()) {
		mCurrentLocation = sdCard;
	} else {
		mCurrentLocation = Environment.getRootDirectory();
	}

	mDialog = new Dialog(context);
	mDialog.setContentView(R.layout.dialog);
	mDialog.setTitle(mCurrentLocation.getAbsolutePath());

	prepareFilterSpinner(fileFilters);
	prepareFilesList();

	setSaveLoadButton(operation);
	setNewFolderButton(operation);
	setCancelButton();
}

源代码5 项目： applivery-android-sdk 文件： AndroidDeviceDetailsInfo.java

@Override public String getFreeDiskPercentage() {
  File rootDirectory = Environment.getRootDirectory();
  StatFs fileSystemData = new StatFs(rootDirectory.getPath());

  long blockSize;
  long totalSize;
  long availableSize;
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
    blockSize = fileSystemData.getBlockSizeLong();
    totalSize = fileSystemData.getBlockCountLong() * blockSize;
    availableSize = fileSystemData.getAvailableBlocksLong() * blockSize;
  } else {
    blockSize = fileSystemData.getBlockSize();
    totalSize = fileSystemData.getBlockCount() * blockSize;
    availableSize = fileSystemData.getAvailableBlocks() * blockSize;
  }

  long freeDiskPercentage = availableSize * 100 / totalSize;
  return String.valueOf(freeDiskPercentage);
}

源代码6 项目： ToGoZip 文件： SettingsImpl.java

/**
 * calculates the dafault-path value for 2go.zip
 */
public static String getDefaultZipDirPath(Context context) {
    File rootDir = null;
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
        // before api-14/android-4.4/KITKAT
        // write support on sdcard, if mounted
        Boolean isSDPresent = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED);
        rootDir = ((isSDPresent)) ? Environment.getExternalStorageDirectory() : Environment.getRootDirectory();
    } else if (Global.USE_DOCUMENT_PROVIDER && (zipDocDirUri != null)) {

        // DocumentFile docDir = DocumentFile.fromTreeUri(context, Uri.parse(zipDocDirUri));
        DocumentFile docDir = DocumentFile.fromFile(new File(zipDocDirUri));
        if ((docDir != null) && docDir.canWrite()) {
            return rootDir.getAbsolutePath();
        }
    }

    if (rootDir == null) {
        // since android 4.4 Environment.getDataDirectory() and .getDownloadCacheDirectory ()
        // is protected by android-os :-(
        rootDir = getRootDir44();
    }

    final String zipfile = rootDir.getAbsolutePath() + "/copy";
    return zipfile;
}

源代码7 项目： NotchAdaptedTest 文件： RomUtils.java

private static String getSystemPropertyByStream(final String key) {
    try {
        Properties prop = new Properties();
        FileInputStream is = new FileInputStream(
                new File(Environment.getRootDirectory(), "build.prop")
        );
        prop.load(is);
        return prop.getProperty(key, "");
    } catch (Exception ignore) { /**/ }
    return "";
}

源代码8 项目： XAPKInstaller 文件： RomUtils.java

private static String getSystemPropertyByStream(final String key) {
    try {
        Properties prop = new Properties();
        FileInputStream is = new FileInputStream(
                new File(Environment.getRootDirectory(), "build.prop")
        );
        prop.load(is);
        return prop.getProperty(key, "");
    } catch (Exception ignore) { /**/ }
    return "";
}

源代码9 项目： DevUtils 文件： ROMUtils.java

/**
 * 获取 system prop 文件指定属性信息
 * @param key 属性 key
 * @return system prop 文件指定属性信息
 */
private static String getSystemPropertyByStream(final String key) {
    try {
        Properties prop = new Properties();
        FileInputStream is = new FileInputStream(
                new File(Environment.getRootDirectory(), "build.prop")
        );
        prop.load(is);
        return prop.getProperty(key, "");
    } catch (Throwable ignore) {
    }
    return "";
}

源代码10 项目： Common 文件： RomUtils.java

private static String getSystemPropertyByStream(final String key) {
    try {
        Properties prop = new Properties();
        FileInputStream is = new FileInputStream(
                new File(Environment.getRootDirectory(), "build.prop")
        );
        prop.load(is);
        return prop.getProperty(key, "");
    } catch (Exception ignore) {/**/}
    return "";
}

源代码11 项目： AndroidUtilCode 文件： RomUtils.java

private static String getSystemPropertyByStream(final String key) {
    try {
        Properties prop = new Properties();
        FileInputStream is = new FileInputStream(
                new File(Environment.getRootDirectory(), "build.prop")
        );
        prop.load(is);
        return prop.getProperty(key, "");
    } catch (Exception ignore) {/**/}
    return "";
}

源代码12 项目： FileManager 文件： DiskStat.java

private void calculateInternalSpace() {
    File root = Environment.getRootDirectory();
    StatFs sf = new StatFs(root.getPath());
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
        mInternalBlockSize = sf.getBlockSizeLong();
        mInternalBlockCount = sf.getBlockCountLong();
        mInternalAvailableBlocks = sf.getAvailableBlocksLong();
    } else {
        mInternalBlockSize = sf.getBlockSize();
        mInternalBlockCount = sf.getBlockCount();
        mInternalAvailableBlocks = sf.getAvailableBlocks();
    }
}

源代码13 项目： CleanExpert 文件： DiskStat.java

private void calculateInternalSpace() {
    File root = Environment.getRootDirectory();
    StatFs sf = new StatFs(root.getPath());
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
        mInternalBlockSize = sf.getBlockSizeLong();
        mInternalBlockCount = sf.getBlockCountLong();
        mInternalAvailableBlocks = sf.getAvailableBlocksLong();
    } else {
        mInternalBlockSize = sf.getBlockSize();
        mInternalBlockCount = sf.getBlockCount();
        mInternalAvailableBlocks = sf.getAvailableBlocks();
    }
}

源代码14 项目： batteryhub 文件： Storage.java

/**
 * Storage details for internal, external, secondary and system partitions.
 * External and secondary storage details are not exactly reliable.
 *
 * @return Thrift-compatible StorageDetails object
 */
public static StorageDetails getStorageDetails() {
    StorageDetails sd = new StorageDetails();

    // Internal
    File path = Environment.getDataDirectory();
    long[] internal = getStorageDetailsForPath(path);
    if (internal.length == 2) {
        sd.free = (int) internal[0];
        sd.total = (int) internal[1];
    }

    // External
    long[] external = getExternalStorageDetails();
    if (external.length == 2) {
        sd.freeExternal = (int) external[0];
        sd.totalExternal = (int) external[1];
    }

    // Secondary
    long[] secondary = getSecondaryStorageDetails();
    if (secondary.length == 2) {
        sd.freeSecondary = (int) secondary[0];
        sd.totalSecondary = (int) secondary[1];
    }

    // System
    path = Environment.getRootDirectory();
    long[] system = getStorageDetailsForPath(path);
    if (system.length == 2) {
        sd.freeSystem = (int) system[0];
        sd.totalSystem = (int) system[1];
    }

    return sd;
}

源代码15 项目： Fishing 文件： CommonModel.java

private String findDownLoadDirectory(){
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){
        JUtils.Log("找到SD卡");
        return Environment.getExternalStorageDirectory() + "/" + "download/";
    }else{
        JUtils.Log("没有SD卡");
        return Environment.getRootDirectory() + "/" + "download/";
    }
}

源代码16 项目： prettygoodmusicplayer 文件： Utils.java

/**
 * Gets the root storage directory of this device.
 * @return
 */
static File getRootStorageDirectory() {
	File ext = Environment.getExternalStorageDirectory();
	if(ext == null){
		ext = Environment.getRootDirectory();
		return ext;
	}
	File parent = ext.getParentFile();
	if (parent != null) {
		return parent;
	}
	return ext;
}

源代码17 项目： deagle 文件： Miui.java

private static String getMiuiVerName() {
	final Properties prop = new Properties();
	final File file = new File(Environment.getRootDirectory(), "build.prop");
	try {
		prop.load(new FileInputStream(file));
	} catch (final IOException e) {
		try {	// Try again once more
			prop.load(new FileInputStream(file));
		} catch (final IOException ex) {
			return "";
		}
	}
	final String ver_name = prop.getProperty("ro.miui.ui.version.name");
	return ver_name == null ? "" : ver_name;
}

源代码18 项目： Libraries-for-Android-Developers 文件： FileHandle.java

public FileHandle(){
	if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
		rootDir = Environment.getExternalStorageDirectory();
	} else {
		rootDir = Environment.getRootDirectory();
	}
}

源代码19 项目： Kore 文件： LocalFileListFragment.java

@Override
protected TabsAdapter createTabsAdapter(DataHolder dataHolder) {
    ListType.Sort sortMethod = new ListType.Sort(ListType.Sort.SORT_METHOD_PATH, true, true);

    Bundle dcimFileListArgs = new Bundle();
    String dcim = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM).getAbsolutePath();
    dcimFileListArgs.putString(LocalMediaFileListFragment.ROOT_PATH_LOCATION, dcim);
    dcimFileListArgs.putParcelable(LocalMediaFileListFragment.SORT_METHOD, sortMethod);

    Bundle directoryMusicFileListArgs = new Bundle();
    String directoryMusic = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC).getAbsolutePath();
    directoryMusicFileListArgs.putString(LocalMediaFileListFragment.ROOT_PATH_LOCATION, directoryMusic);
    directoryMusicFileListArgs.putParcelable(LocalMediaFileListFragment.SORT_METHOD, sortMethod);

    Bundle directoryMoviesFileListArgs = new Bundle();
    String directoryMovies = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES).getAbsolutePath();
    directoryMoviesFileListArgs.putString(LocalMediaFileListFragment.ROOT_PATH_LOCATION, directoryMovies);
    directoryMoviesFileListArgs.putParcelable(LocalMediaFileListFragment.SORT_METHOD, sortMethod);

    Bundle externalStorageFileListArgs = new Bundle();
    String externalStorage = Environment.getExternalStorageDirectory().getAbsolutePath();
    externalStorageFileListArgs.putString(LocalMediaFileListFragment.ROOT_PATH_LOCATION, externalStorage);
    externalStorageFileListArgs.putParcelable(LocalMediaFileListFragment.SORT_METHOD, sortMethod);

    TabsAdapter tabsAdapter = new TabsAdapter(getActivity(), getChildFragmentManager())
            .addTab(LocalMediaFileListFragment.class, dcimFileListArgs, R.string.dcim, 1)
            .addTab(LocalMediaFileListFragment.class, directoryMusicFileListArgs, R.string.music, 2)
            .addTab(LocalMediaFileListFragment.class, directoryMoviesFileListArgs, R.string.movies, 3)
            .addTab(LocalMediaFileListFragment.class, externalStorageFileListArgs, R.string.external_storage, 4);
    Environment.getRootDirectory();
    File[] externalFilesDirs = ContextCompat.getExternalFilesDirs(getActivity(),null);
    for (int i = 0; i < externalFilesDirs.length; i++) {
        File file = externalFilesDirs[i].getParentFile().getParentFile().getParentFile().getParentFile();

        if (file.getAbsolutePath().equals(externalStorage))
            continue;
        Bundle bundle = new Bundle();
        bundle.putString(LocalMediaFileListFragment.ROOT_PATH_LOCATION, file.getAbsolutePath());
        bundle.putParcelable(LocalMediaFileListFragment.SORT_METHOD, sortMethod);

        tabsAdapter.addTab(LocalMediaFileListFragment.class, bundle, file.getName(),i+2);
    }

    return tabsAdapter;
}

源代码20 项目： DevUtils 文件： PathUtils.java

/**
 * 获取 Android 系统根目录 - path /system
 * @return /system
 */
public File getRootDirectory() {
    return Environment.getRootDirectory();
}