小编Shw*_*eta的帖子

在我的应用程序中,我需要将我的arraylist转换为数组的字符串.但是,我收到一个错误:

ClassCastException: java.lang.Object[] cannot be cast to java.lang.String[] android

在listofurls我收到错误的行:listofurls = (String[])image_urls.toArray();

这是完整的代码:

public class Test2 extends AsyncTask<Void, Void, Void> 
{
  String[] listofurls ;
  private static final String url = "http://www.tts.com/album_pro/array_to_encode";
  JSONParser jParser = new JSONParser();
  ArrayList<String> image_urls = new ArrayList<String>();

  protected void onPreExecute() {
    //Log.e(LOG_CLASS, "in side assyntask");
  }

  protected Void doInBackground(Void... voids) {
    Log.v("Async","Async");
    JSONObject json = jParser.getJSONFromUrl(url);

    try {
      JSONObject seo = json.getJSONObject("SEO");
      JSONArray folio = seo.getJSONArray("Folio");

      // JSONArray image_urls1 = new JSONArray();
      //String …

在我的应用程序中,我正在显示来自图库的图像,一旦我选择一个图像,图像应该被发送到新活动,其中所选图像将被设置为背景.但是,我能够获取图像从图库,但一旦我选择一个应用程序崩溃.谢谢提前

活动-1(图像显示在图库中,所选图像将发送到新活动)

public class Gallery extends Activity {

private static int RESULT_LOAD_IMAGE = 1;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.gallery);

        Button buttonLoadImage = (Button) findViewById(R.id.buttonLoadPicture);


        buttonLoadImage.setOnClickListener(new View.OnClickListener() {

            public void onClick(View arg0) {

                Intent i = new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);

                startActivityForResult(i, RESULT_LOAD_IMAGE);
            }
        });
    }



    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK && null != data) {






            Uri …