封裝List,點選按鈕跳轉傳值並優化
阿新 • • 發佈:2019-01-31
package com.example.yinchenglong1229;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import com.google.gson.Gson;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import bean.SuperClass;
import url.GetURL;
public class Main2Activity extends AppCompatActivity {
private TextView tv;
private List<SuperClass.DataBean> list = new ArrayList<>();
private Button btn;
@SuppressLint("StaticFieldLeak")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
//獲取id
tv = findViewById(R.id.tv);
btn = findViewById(R.id.btn);
//使用AsyncTask解析
new AsyncTask<String, String, String>() {
@Override
protected String doInBackground(String... strings) {
String data = GetURL.getData();
return data;
}
//解析
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
Log.e("wzq",s);
Gson gson = new Gson();
SuperClass superClass = gson.fromJson(s, SuperClass.class);
Toast.makeText(Main2Activity.this,superClass+"",Toast.LENGTH_SHORT).show();
List<SuperClass.DataBean> data = superClass.getData();
list.addAll(data);
tv.setText(superClass.getInfo());
}
}.execute();
//點選傳值
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(Main2Activity.this, Main3Activity.class);
Bundle bundle=new Bundle();
bundle.putSerializable("list1", (Serializable) list);
intent.putExtra("name1",bundle);
startActivity(intent);
}
});
}
}