Java tutorial
/******************************************************************************* * Copyright 2011-2013 Sergey Tarasevich * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *******************************************************************************/ package com.ririn.imageloader; import android.graphics.Bitmap; import android.os.Bundle; import android.os.Parcelable; import android.support.v4.view.PagerAdapter; import android.support.v4.view.ViewPager; import android.text.Html; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.Toast; import com.nostra13.example.universalimageloader.R; import com.nostra13.universalimageloader.core.DisplayImageOptions; import com.nostra13.universalimageloader.core.assist.FailReason; import com.nostra13.universalimageloader.core.assist.ImageScaleType; import com.nostra13.universalimageloader.core.assist.SimpleImageLoadingListener; import com.nostra13.universalimageloader.core.display.FadeInBitmapDisplayer; import com.ririn.imageloader.Constants.Extra; /** * @author Sergey Tarasevich (nostra13[at]gmail[dot]com) */ public class ImagePagerActivity extends BaseActivity { private static final String STATE_POSITION = "STATE_POSITION"; DisplayImageOptions options; ViewPager pager; // TextView TBahan; // public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.ac_image_pager); Bundle bundle = getIntent().getExtras(); String[] judul = bundle.getStringArray(Extra.TAG_JUDUL); String[] intro = bundle.getStringArray(Extra.TAG_INTRO); String[] bahan = bundle.getStringArray(Extra.TAG_BAHAN); String[] penyajian = bundle.getStringArray(Extra.TAG_PENYAJIAN); String[] gambar = bundle.getStringArray(Extra.TAG_GAMBAR); int pagerPosition = bundle.getInt(Extra.IMAGE_POSITION, 0); if (savedInstanceState != null) { pagerPosition = savedInstanceState.getInt(STATE_POSITION); } options = new DisplayImageOptions.Builder().showImageForEmptyUri(R.drawable.ic_empty) .showImageOnFail(R.drawable.ic_error).resetViewBeforeLoading(true).cacheOnDisc(true) .imageScaleType(ImageScaleType.EXACTLY).bitmapConfig(Bitmap.Config.RGB_565) .displayer(new FadeInBitmapDisplayer(300)).build(); pager = (ViewPager) findViewById(R.id.pager); pager.setAdapter(new ImagePagerAdapter(gambar, judul, intro, bahan, penyajian)); pager.setCurrentItem(pagerPosition); } @Override public void onSaveInstanceState(Bundle outState) { outState.putInt(STATE_POSITION, pager.getCurrentItem()); } private class ImagePagerAdapter extends PagerAdapter { private String[] images; private String[] judul; private String[] bahan; private String[] penyajian; private String[] intro; private LayoutInflater inflater; ImagePagerAdapter(String[] images, String[] judul, String[] intro, String[] bahan, String[] penyajian) { this.images = images; this.judul = judul; this.intro = intro; this.bahan = bahan; this.penyajian = penyajian; inflater = getLayoutInflater(); } @Override public void destroyItem(ViewGroup container, int position, Object object) { ((ViewPager) container).removeView((View) object); } @Override public void finishUpdate(View container) { } @Override public int getCount() { return images.length; } @Override public Object instantiateItem(ViewGroup view, int position) { Log.d("TEST", "" + bahan[position]); View imageLayout = inflater.inflate(R.layout.item_pager_image, view, false); ImageView imageView = (ImageView) imageLayout.findViewById(R.id.image); final ProgressBar spinner = (ProgressBar) imageLayout.findViewById(R.id.loading); TextView judul = (TextView) imageLayout.findViewById(R.id.judul); judul.setText(Html.fromHtml(this.judul[position])); // TextView intro = (TextView) imageLayout.findViewById(R.id.intro); intro.setText(Html.fromHtml(this.intro[position])); // TextView bahan = (TextView) imageLayout.findViewById(R.id.bahan); bahan.setText(Html.fromHtml(this.bahan[position])); TextView penyajian = (TextView) imageLayout.findViewById(R.id.penyajian); penyajian.setText(Html.fromHtml(this.penyajian[position])); imageLoader.displayImage(images[position], imageView, options, new SimpleImageLoadingListener() { @Override public void onLoadingStarted(String imageUri, View view) { spinner.setVisibility(View.VISIBLE); } @Override public void onLoadingFailed(String imageUri, View view, FailReason failReason) { String message = null; switch (failReason.getType()) { case IO_ERROR: message = "Input/Output error"; break; case DECODING_ERROR: message = "Image can't be decoded"; break; case NETWORK_DENIED: message = "Downloads are denied"; break; case OUT_OF_MEMORY: message = "Out Of Memory error"; break; case UNKNOWN: message = "Unknown error"; break; } Toast.makeText(ImagePagerActivity.this, message, Toast.LENGTH_SHORT).show(); spinner.setVisibility(View.GONE); } @Override public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) { spinner.setVisibility(View.GONE); } }); ((ViewPager) view).addView(imageLayout, 0); return imageLayout; } @Override public boolean isViewFromObject(View view, Object object) { return view.equals(object); } @Override public void restoreState(Parcelable state, ClassLoader loader) { } @Override public Parcelable saveState() { return null; } @Override public void startUpdate(View container) { } } }