import com.google.android.gms.drive.DriveResourceClient; //导入依赖的package包/类
RestoreAsyncTask(final Context context, final DriveClient driveClient, final DriveResourceClient driveResourceClient,
                 final String driveId, final OnRestoreListener listener) throws RestoreException {
    // Create a temporary file in app cache dir.
    mFile = new File(context.getCacheDir(), "gdrive_cache.json");
    mContextRef = new WeakReference<>(context);
    mListener = listener;
    mCancelled = new AtomicBoolean();
    mEnded = new AtomicBoolean();
    mDriveClient = driveClient;
    mDriveResourceClient = driveResourceClient;
    mDriveId = driveId;

    /*if (!mFile.canWrite()) {
        Log.e(TAG, "App Cache Dir unavailable.");
        throw new RestoreException(context, R.string.backup_sd_card_unavailable);
    }*/
}
 

import com.google.android.gms.drive.DriveResourceClient; //导入依赖的package包/类
RestoreDialog(@NonNull final Context context, @NonNull final DriveClient driveClient, @NonNull final DriveResourceClient driveResourceClient, @NonNull final String driveId, @NonNull final OnRestoreListener listener) throws RestoreException {
    this(context);

    mAsyncTask = (RestoreAsyncTask) new RestoreFromJsonAsyncTask(context, driveClient, driveResourceClient, driveId, listener).execute();
}
 

import com.google.android.gms.drive.DriveResourceClient; //导入依赖的package包/类
RestoreFromJsonAsyncTask(@NonNull final Context context, @NonNull final DriveClient driveClient, @NonNull final DriveResourceClient driveResourceClient,
                         @NonNull final String driveId, @NonNull final OnRestoreListener listener) throws RestoreException {
    super(context, driveClient, driveResourceClient, driveId, listener);
}
 

import com.google.android.gms.drive.DriveResourceClient; //导入依赖的package包/类
private DriveResourceClient getmDriveResourceClient() {
    return mDriveResourceClient;
}
 

import com.google.android.gms.drive.DriveResourceClient; //导入依赖的package包/类
protected DriveResourceClient getDriveResourceClient() {
    return mDriveResourceClient;
}
 

import com.google.android.gms.drive.DriveResourceClient; //导入依赖的package包/类
/**
 * Constructor.
 *
 * @param driveResourceClient A connected {@link DriveResourceClient} instance.
 */
public EditDriveFileAsyncTask(DriveResourceClient driveResourceClient) {
    this.driveResourceClient = driveResourceClient;
}