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MainActivity.java
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MainActivity.java
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package akiyama.okhttpcache;
import android.content.Intent;
import android.os.AsyncTask;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import com.zwyan.generlviewadapter.adapter.GeneraViewAdapter;
import com.zwyan.generlviewadapter.adapter.ViewHolder;
import java.util.ArrayList;
import java.util.List;
import akiyama.library.exception.NetworkException;
import akiyama.library.request.CacheType;
import akiyama.library.request.HttpManagerHelper;
import akiyama.library.request.NameValuePair;
public class MainActivity extends AppCompatActivity {
private static final String TAG = "MainActivity";
private ListView mListView;
private List<ZhiHuModel> mZhiHuModels;
private GeneraViewAdapter mAdapter;
private SwipeRefreshLayout mSwipeRefreshLayout;
private int mCurrentPage = 1;
private static final String LIMIT= "12";
private static final String OFFSET = "10";
private static final String SEED = "1";
private boolean mIsRefresh = false;
private int mCurrentCacheType = CacheType.NETWORK_ELSE_CACHE;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mZhiHuModels = new ArrayList<>();
mListView = (ListView) findViewById(R.id.zhihu_lv);
mSwipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swiperefresh_sfl);
initView();
loadNextPageData();
mSwipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
if(!mIsRefresh){
mCurrentPage ++;
mIsRefresh = true;
loadNextPageData();
}
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.menu_main,menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()){
case R.id.only_cache:
mCurrentCacheType = CacheType.ONLY_CACHE;
break;
case R.id.only_network:
mCurrentCacheType = CacheType.ONLY_NETWORK;
break;
case R.id.network_cache:
mCurrentCacheType = CacheType.NETWORK_ELSE_CACHE;
break;
case R.id.cache_network:
mCurrentCacheType = CacheType.CACHE_ELSE_NETWORK;
break;
case R.id.clean_data:
if(mZhiHuModels!=null && !mZhiHuModels.isEmpty()){
mZhiHuModels.clear();
mAdapter.notifyDataSetChanged();
}
break;
default:
break;
}
return true;
}
private void loadNextPageData(){
ZhiHuParam zhiHuParam = new ZhiHuParam();
zhiHuParam.limit = LIMIT;
zhiHuParam.offset = OFFSET;
zhiHuParam.seed = SEED;
new RequestZhihuTask().execute(zhiHuParam);
}
private void initView(){
mAdapter = new GeneraViewAdapter<ZhiHuModel>(this,mZhiHuModels,R.layout.zhihu_zhuanlan_item) {
@Override
public void convert(ViewHolder viewHolder, final ZhiHuModel item) {
//Log.e("111",item.name);
String imageUrl = "https://pic2.zhimg.com/"+item.mAvatar.id+"_l.jpg";
viewHolder.setImageViewByUrl(R.id.zhihu_iv,imageUrl);
viewHolder.setTextViewString(R.id.title_tv,item.name);
viewHolder.setTextViewString(R.id.content_tv,item.description);
viewHolder.setTextViewString(R.id.infomation_tv,item.followersCount+"关注|"+item.postsCount+"篇文章");
View itemLl = viewHolder.getView(R.id.item_rl);
itemLl.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(MainActivity.this,WebActivity.class);
intent.putExtra(WebActivity.EXTRA_URL,item.url);
startActivity(intent);
}
});
}
};
mListView.setAdapter(mAdapter);
}
private class RequestZhihuTask extends AsyncTask<ZhiHuParam, Void, List<ZhiHuModel>> {
private static final String ZHIHU_ZHUANLAN_API = "https://zhuanlan.zhihu.com/api/recommendations/columns";
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected List<ZhiHuModel> doInBackground(ZhiHuParam... params) {
try {
List<NameValuePair> nameValuePairs = new ArrayList<>();
ZhiHuParam zhiHuParam = params[0];
if (zhiHuParam != null) {
nameValuePairs.add(new NameValuePair("limit", zhiHuParam.limit));
nameValuePairs.add(new NameValuePair("offset", zhiHuParam.offset));
nameValuePairs.add(new NameValuePair("seed", zhiHuParam.seed));
String response = HttpManagerHelper.getInstance().getRequestByCache(ZHIHU_ZHUANLAN_API, nameValuePairs, mCurrentCacheType);
return ZhiHuModel.getZhihuModelS(response);
}
} catch (NetworkException e) {
Log.e(TAG,e.toString());
}
return null;
}
@Override
protected void onPostExecute(List<ZhiHuModel> zhiHuModels) {
refreshList(zhiHuModels);
}
}
private void refreshList(final List<ZhiHuModel> zhiHuModels){
if(zhiHuModels!=null && !zhiHuModels.isEmpty()){
mZhiHuModels.addAll(zhiHuModels);
mAdapter.notifyDataSetChanged();
mIsRefresh = false;
mSwipeRefreshLayout.setRefreshing(false);
}
}
private class ZhiHuParam {
//limit=12&offset=32&seed=18
public String limit;
public String offset;
public String seed;
}
}