Examples with ParcelFileDescriptor android.os.ParcelFileDescriptor used on opensource projects

Example 31 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class SoundPool method load.

/**
     * Load the sound from the specified path.
     *
     * @param path the path to the audio file
     * @param priority the priority of the sound. Currently has no effect. Use
     *                 a value of 1 for future compatibility.
     * @return a sound ID. This value can be used to play or unload the sound.
     */
public int load(String path, int priority) {
    int id = 0;
    try {
        File f = new File(path);
        ParcelFileDescriptor fd = ParcelFileDescriptor.open(f, ParcelFileDescriptor.MODE_READ_ONLY);
        if (fd != null) {
            id = _load(fd.getFileDescriptor(), 0, f.length(), priority);
            fd.close();
        }
    } catch (java.io.IOException e) {
        Log.e(TAG, "error loading " + path);
    }
    return id;
}

Example 32 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class PipeManagerTest method testReadThumbnail_basic.

public void testReadThumbnail_basic() throws Exception {
    mtpManager.setThumbnail(0, 1, HELLO_BYTES);
    final ParcelFileDescriptor descriptor = mPipeManager.readThumbnail(mtpManager, new Identifier(0, 0, 1, null, MtpDatabaseConstants.DOCUMENT_TYPE_OBJECT));
    assertDescriptor(descriptor, HELLO_BYTES);
}

Example 33 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class PipeManagerTest method testReadThumbnail_error.

public void testReadThumbnail_error() throws Exception {
    final ParcelFileDescriptor descriptor = mPipeManager.readThumbnail(mtpManager, new Identifier(0, 0, 1, null, MtpDatabaseConstants.DOCUMENT_TYPE_OBJECT));
    assertDescriptorError(descriptor);
}

Example 34 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class TestMtpManager method createDocument.

@Override
int createDocument(int deviceId, MtpObjectInfo objectInfo, ParcelFileDescriptor source) throws IOException {
    final String key = pack(deviceId, CREATED_DOCUMENT_HANDLE);
    if (mObjectInfos.containsKey(key)) {
        throw new IOException();
    }
    final MtpObjectInfo newInfo = new MtpObjectInfo.Builder(objectInfo).setObjectHandle(CREATED_DOCUMENT_HANDLE).build();
    mObjectInfos.put(key, newInfo);
    if (objectInfo.getFormat() != 0x3001) {
        try (final ParcelFileDescriptor.AutoCloseInputStream inputStream = new ParcelFileDescriptor.AutoCloseInputStream(source)) {
            final byte[] buffer = new byte[objectInfo.getCompressedSize()];
            if (inputStream.read(buffer, 0, objectInfo.getCompressedSize()) != objectInfo.getCompressedSize()) {
                throw new IOException();
            }
            mImportFileBytes.put(pack(deviceId, CREATED_DOCUMENT_HANDLE), buffer);
        }
    }
    return CREATED_DOCUMENT_HANDLE;
}

Example 35 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class MtpDocumentsProviderTest method testOpenDocument_writing.

public void testOpenDocument_writing() throws Exception {
    setupProvider(MtpDatabaseConstants.FLAG_DATABASE_IN_MEMORY);
    setupRoots(0, new MtpRoot[] { new MtpRoot(0, 0, "Storage", 0, 0, "") });
    final String documentId = mProvider.createDocument("2", "text/plain", "test.txt");
    {
        final ParcelFileDescriptor fd = mProvider.openDocument(documentId, "w", null);
        try (ParcelFileDescriptor.AutoCloseOutputStream stream = new ParcelFileDescriptor.AutoCloseOutputStream(fd)) {
            stream.write("Hello".getBytes());
        }
    }
    {
        final ParcelFileDescriptor fd = mProvider.openDocument(documentId, "r", null);
        try (ParcelFileDescriptor.AutoCloseInputStream stream = new ParcelFileDescriptor.AutoCloseInputStream(fd)) {
            final byte[] bytes = new byte[5];
            stream.read(bytes);
            assertTrue(Arrays.equals("Hello".getBytes(), bytes));
        }
    }
}