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#6 #1478 第六次实验报告 #2614

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Jun 2, 2018
Merged

#6 #1478 第六次实验报告 #2614

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d47aee6
#6 #1478 第六次实验 提交json文件
Jun 2, 2018
890f9cb
#6 #1478第六次实验
Jun 2, 2018
8c098ba
#6 #1478 第六次实验报告
MoxinHuoHuo Jun 2, 2018
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56 changes: 52 additions & 4 deletions com1614080901217/app/src/main/java/com/example/admin/com1614080901217/Com1614080901217.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,14 +11,23 @@
import android.widget.ArrayAdapter;
import android.widget.ListView;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class Com1614080901217 extends AppCompatActivity {
private List<String> listContent;
private List<BianQian> bianQianList;
private SQLiteDatabase writableDatabase;
private BianQian bianQian;
private ArrayAdapter<String> adapter;


@Override
Expand All @@ -27,16 +36,17 @@ protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);
setContentView(R.layout.activity_com1614080901217);
//initDB();
//initDB();
initData();
initDataByJson();
ListView listView = (ListView) findViewById(R.id.bianqian_list);
ArrayAdapter<String> adapter = new ArrayAdapter<>(this, R.layout.support_simple_spinner_dropdown_item, listContent);
adapter = new ArrayAdapter<>(this, R.layout.support_simple_spinner_dropdown_item, listContent);
listView.setAdapter(adapter);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
Intent intent = new Intent(Com1614080901217.this, ContentActivity.class);
intent.putExtra("content",bianQianList.get(i).getContent());
intent.putExtra("content", bianQianList.get(i).getContent());
startActivity(intent);

}
Expand All @@ -45,6 +55,36 @@ public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {

}

private void initDataByJson() {
new Thread(new Runnable() {
@Override
public void run() {
OkHttpClient okHttpClient = new OkHttpClient();
Request request = new Request.Builder().url("https://raw.githubusercontent.com/MoxinHuoHuo/android-labs-2018/master/com1614080901217/jsonFile.json").build();
try {
Response execute = okHttpClient.newCall(request).execute();
String jsonData = execute.body().string();
Gson gson = new Gson();
List<BianQian> newData = gson.fromJson(jsonData, new TypeToken<List<BianQian>>() {
}.getType());
bianQianList.addAll(newData);
List<String> strings = initTitle(newData);
listContent.addAll(strings);
runOnUiThread(new Runnable() {
@Override
public void run() {
adapter.notifyDataSetChanged();
}
});

} catch (IOException e) {
e.printStackTrace();
}

}
}).start();
}


private void initDB() {
DatabaseHelper databaseHelper = new DatabaseHelper(this);
Expand All @@ -61,7 +101,7 @@ private void initDB() {

private void initData() {
bianQianList = new ArrayList<>();
listContent = new ArrayList<>();
listContent = new ArrayList<>();
DatabaseHelper databaseHelper = new DatabaseHelper(this);
writableDatabase = databaseHelper.getWritableDatabase();
Cursor cursor = writableDatabase.query("bianqian", null, null, null, null, null, null);
Expand All @@ -82,4 +122,12 @@ private void initData() {
}
}

List<String> initTitle(List<BianQian> newData
) {
List<String> newTitle = new ArrayList<>();
for (int i = 0; i < newData.size(); i++) {
newTitle.add(newData.get(i).getTitle());
}
return newTitle;
}
}
150 changes: 150 additions & 0 deletions com1614080901217/jsonFile.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,150 @@
[{
"id": 0,
"title": "来至网络请求的第的0条标题",
"content": "来至网络请求的第的0条内容"
},
{
"id": 1,
"title": "来至网络请求的第的1条标题",
"content": "来至网络请求的第的1条内容"
},
{
"id": 2,
"title": "来至网络请求的第的2条标题",
"content": "来至网络请求的第的2条内容"
},
{
"id": 3,
"title": "来至网络请求的第的3条标题",
"content": "来至网络请求的第的3条内容"
},
{
"id": 4,
"title": "来至网络请求的第的4条标题",
"content": "来至网络请求的第的4条内容"
},
{
"id": 5,
"title": "来至网络请求的第的5条标题",
"content": "来至网络请求的第的5条内容"
},
{
"id": 6,
"title": "来至网络请求的第的6条标题",
"content": "来至网络请求的第的6条内容"
},
{
"id": 7,
"title": "来至网络请求的第的7条标题",
"content": "来至网络请求的第的7条内容"
},
{
"id": 8,
"title": "来至网络请求的第的8条标题",
"content": "来至网络请求的第的8条内容"
},
{
"id": 9,
"title": "来至网络请求的第的9条标题",
"content": "来至网络请求的第的9条内容"
},
{
"id": 10,
"title": "来至网络请求的第的10条标题",
"content": "来至网络请求的第的10条内容"
},
{
"id": 11,
"title": "来至网络请求的第的11条标题",
"content": "来至网络请求的第的11条内容"
},
{
"id": 12,
"title": "来至网络请求的第的12条标题",
"content": "来至网络请求的第的12条内容"
},
{
"id": 13,
"title": "来至网络请求的第的13条标题",
"content": "来至网络请求的第的13条内容"
},
{
"id": 14,
"title": "来至网络请求的第的14条标题",
"content": "来至网络请求的第的14条内容"
},
{
"id": 15,
"title": "来至网络请求的第的15条标题",
"content": "来至网络请求的第的15条内容"
},
{
"id": 16,
"title": "来至网络请求的第的16条标题",
"content": "来至网络请求的第的16条内容"
},
{
"id": 17,
"title": "来至网络请求的第的17条标题",
"content": "来至网络请求的第的17条内容"
},
{
"id": 18,
"title": "来至网络请求的第的18条标题",
"content": "来至网络请求的第的18条内容"
},
{
"id": 19,
"title": "来至网络请求的第的19条标题",
"content": "来至网络请求的第的19条内容"
},
{
"id": 20,
"title": "来至网络请求的第的20条标题",
"content": "来至网络请求的第的20条内容"
},
{
"id": 21,
"title": "来至网络请求的第的21条标题",
"content": "来至网络请求的第的21条内容"
},
{
"id": 22,
"title": "来至网络请求的第的22条标题",
"content": "来至网络请求的第的22条内容"
},
{
"id": 23,
"title": "来至网络请求的第的23条标题",
"content": "来至网络请求的第的23条内容"
},
{
"id": 24,
"title": "来至网络请求的第的24条标题",
"content": "来至网络请求的第的24条内容"
},
{
"id": 25,
"title": "来至网络请求的第的25条标题",
"content": "来至网络请求的第的25条内容"
},
{
"id": 26,
"title": "来至网络请求的第的26条标题",
"content": "来至网络请求的第的26条内容"
},
{
"id": 27,
"title": "来至网络请求的第的27条标题",
"content": "来至网络请求的第的27条内容"
},
{
"id": 28,
"title": "来至网络请求的第的28条标题",
"content": "来至网络请求的第的28条内容"
},
{
"id": 29,
"title": "来至网络请求的第的29条标题",
"content": "来至网络请求的第的29条内容"
}]
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