StackOverflow2013

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POAndroid ViewPager + ImageLoader
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copied!<p>I create a ViewPager with ImageLoader library, and i have Error in this code, i don't understand in Log's what he want! In main Layout i have only ViewPager in adapterLayout i have FrameLayout with ImageView</p> <pre><code>public class ImageGallery extends Activity { ViewPager pager; String[] BigImages; String[] Authors; String[] Dates; String[] Descriptions; DisplayImageOptions options; @Override protected void onCreate(Bundle savedInstanceState){ super.onCreate(savedInstanceState); Bundle bundle = getIntent().getExtras(); String[] imageUrls = bundle.getStringArray("big_images"); int pagerPosition = bundle.getInt("position"); options = new DisplayImageOptions.Builder() .showImageForEmptyUri(R.drawable.ic_contact_picture_2) .resetViewBeforeLoading() .cacheOnDisc() .imageScaleType(ImageScaleType.IN_SAMPLE_INT) .bitmapConfig(Bitmap.Config.RGB_565) .displayer(new FadeInBitmapDisplayer(300)) .build(); ViewPager pager = (ViewPager) findViewById(R.id.pager); pager.setAdapter(new GalleryImage(ImageGallery.this, imageUrls)); pager.setCurrentItem(pagerPosition); } class GalleryImage extends PagerAdapter{ private String[] images; private LayoutInflater inflater; ImageLoader imageLoader; GalleryImage(Context context, String[] images) { this.images = images; inflater = getLayoutInflater(); imageLoader = ImageLoader.getInstance(); imageLoader.init(ImageLoaderConfiguration.createDefault(context)); } @Override public void destroyItem(View container, int position, Object object) { ((ViewPager) container).removeView((View) object); } @Override public int getCount() { return images.length; } @Override public Object instantiateItem(View view, int position) { final View imageLayout = inflater.inflate(R.layout.item_gallery, null); final ImageView imageView = (ImageView) imageLayout.findViewById(R.id.image); imageLoader.displayImage(images[position], imageView, options); ((ViewPager) view).addView(imageLayout, 0); return imageLayout; } @Override public boolean isViewFromObject(View view, Object object) { return view.equals(object); } }} </code></pre> <p><strong>Logs</strong></p> <pre><code>FATAL EXCEPTION: main java.lang.RuntimeException: Unable to start activity ComponentInfo{com.gazetaimage/com.gazetaimage.ImageGallery}: java.lang.NullPointerException at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2306) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2356) at android.app.ActivityThread.access$600(ActivityThread.java:150) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1244) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:137) at android.app.ActivityThread.main(ActivityThread.java:5193) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562) at dalvik.system.NativeStart.main(Native Method) Caused by: java.lang.NullPointerException at com.gazetaimage.ImageGallery.onCreate(ImageGallery.java:49) at android.app.Activity.performCreate(Activity.java:5104) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2260) ... 11 more </code></pre>

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