Question

我正在使用sharingIntent分享应用上的链接。当我单击按钮时，它会带来共享窗口，我正确地共享链接。之后，共享过程，我的应用程序没有打开和崩溃。我正在使用intent.getExtras()来识别图像和图像。 Logcat说问题是数组索引是11，大小等于零。但是，我不知道如何解决它。

在共享流程完成后，此行会出错：imageLoader.displayImage(imageUrls.get(imagePosition), imageView);

这是我的活动：

public class ProductDetail extends Activity {

    static List<String> imageUrls = Data.BIGIMAGE;
    static List<String> productUrl = Data.PRODUCT_URL;
    DisplayImageOptions options;

    LinearLayout shareButton;
    int imagePosition;

      public void onCreate(Bundle savedInstanceState)
      {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.single_itemview);

        Intent intent = getIntent();
        Bundle bundle = intent.getExtras();
        if(bundle!=null){ 
            imagePosition = bundle.getInt("imagePosition");
        } 

        ImageView imageView = (ImageView) findViewById(R.id.pager);

        shareButton = (LinearLayout)findViewById(R.id.btn_share);
        ImageLoader imageLoader = ImageLoader.getInstance();
        imageLoader.displayImage(imageUrls.get(imagePosition), imageView);

        imageView.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                Intent i = new Intent(ProductDetail.this, WebViewActivity.class);
                i.putExtra("productUrl", productUrl.get(imagePosition));
                startActivity(i);

            }
        });

        shareButton.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                Intent sharingIntent = new Intent(Intent.ACTION_SEND);
                sharingIntent.setType("text/plain");
                sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, productUrl.get(imagePosition));
                startActivity(Intent.createChooser(sharingIntent,"Share With?"));

            }
        });
        }
      }

和logcat输出：

02-12 10:53:45.405: E/AndroidRuntime(31742): FATAL EXCEPTION: main
02-12 10:53:45.405: E/AndroidRuntime(31742): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example/com.example.ProductDetail}: java.lang.IndexOutOfBoundsException: Invalid index 11, size is 0
02-12 10:53:45.405: E/AndroidRuntime(31742):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2295)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2349)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at android.app.ActivityThread.access$700(ActivityThread.java:159)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1316)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at android.os.Handler.dispatchMessage(Handler.java:99)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at android.os.Looper.loop(Looper.java:176)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at android.app.ActivityThread.main(ActivityThread.java:5419)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at java.lang.reflect.Method.invokeNative(Native Method)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at java.lang.reflect.Method.invoke(Method.java:525)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1046)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:862)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at dalvik.system.NativeStart.main(Native Method)
02-12 10:53:45.405: E/AndroidRuntime(31742): Caused by: java.lang.IndexOutOfBoundsException: Invalid index 11, size is 0
02-12 10:53:45.405: E/AndroidRuntime(31742):    at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at java.util.ArrayList.get(ArrayList.java:308)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at com.example.ProductDetail.onCreate(ProductDetail.java:39)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at android.app.Activity.performCreate(Activity.java:5372)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1104)
02-12 10:53:45.405: E/AndroidRuntime(31742):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2257)

Answer 1

Data.BIGIMAGE显然是空的。要证明这取代了这一行

imageLoader.displayImage(imageUrls.get(imagePosition), imageView);

用这个

if (Data.BIGIMAGE != null && Data.BIGIMAGE.size() > 0) {
  imageLoader.displayImage(Data.BIGIMAGE.get(imagePosition), imageView);
} else {
  Log.e(getClass().getSimpleName(), "Data.BIGIMAGE is null or empty");
}

在Facebook上分享后，App被迫关闭

1 个答案: