Question

我正在使用RIM的eclipse插件在Blackberry Playbook上运行我的Android应用程序。

我在“/ accounts / 1000 / shared / documents”目录中创建的文件被“锁定”（当我浏览它们并尝试使用AIR浏览器打开时，我收到错误消息“文件已锁定”）。我在“/ sdcard”目录（Environment.getExternalStorage返回的目录）中创建的文件工作正常。我可以使用下面的代码以编程方式创建和读取这些文件。

有关如何在文档目录中创建未被“锁定”的文件的任何建议吗？

public class TempActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);

        try
        {
            File docFile = new File("/accounts/1000/shared/documents/tmp.txt");
            File sdcardFile = new File(Environment.getExternalStorageDirectory().getPath() + "/tmp.txt");

            FileWriter writer = new FileWriter(docFile);

            try
            {
                writer.write("Hello doc file");
                Log.i("success writing doc file", "success writing doc file");
            }
            catch (Exception e)
            {
                Log.e("exception writing doc file", Log.getStackTraceString(e));
            }

            writer.close();
            writer = new FileWriter(sdcardFile);

            try
            {
                writer.write("Hello sdcard file");

                Log.i("success writing sdcard file", "success writing sdcard file");
            }
            catch (Exception e)
            {
                Log.e("exception writing sdcard file", Log.getStackTraceString(e));
            }

            writer.close();
            FileReader in = new FileReader(docFile);
            BufferedReader reader = new BufferedReader(in);

            try
            {
                Log.i("firstLine in doc file", reader.readLine());
            }
            catch (Exception e)
            {
                Log.e("exception reading doc file", Log.getStackTraceString(e));
            }

            in.close();
            reader.close();
            in = new FileReader(sdcardFile);
            reader = new BufferedReader(in);

            try
            {
                Log.i("firstLine in sdcard file", reader.readLine());
            }
            catch (Exception e)
            {
                Log.e("exception reading sdcard file", Log.getStackTraceString(e));
            }

            in.close();
            reader.close();
        }
        catch (Exception e)
        {
            Log.e("exception", Log.getStackTraceString(e));
        }

    }
}

Answer 1

看一下关于Playbook和Android上文件的这个帖子。

http://supportforums.blackberry.com/t5/BlackBerry-Plug-in-for-Android/How-to-save-files-to-shared-directory/m-p/1401369/highlight/true#M454

在Android应用程序中在BlackBerry Playbook上创建文件？

1 个答案: