當ListView巢狀在ScrollView，無法置頂【啟動位置偏移的解決方案】
阿新 • • 發佈：2018-12-14
myScrollView.smoothScrollTo(0,20);
在程式碼裡去掉listview的焦點，lv.setFocusable(false);以上是關鍵程式碼。
全域性程式碼如下：
package com.findai.xkk.ai_interviewer.job_fragment; import android.annotation.SuppressLint; import android.content.Intent; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.ScrollView; import android.widget.TextView; import com.findai.xkk.ai_interviewer.Http.Commiuncate_Server; import com.findai.xkk.ai_interviewer.JobinfoActivity; import com.findai.xkk.ai_interviewer.R; import com.findai.xkk.ai_interviewer.WelcomeIndexActivity; import com.findai.xkk.ai_interviewer.WelcomeInterviewActivity; import com.findai.xkk.ai_interviewer.domain.Job; import com.findai.xkk.ai_interviewer.domain.JobList; import com.findai.xkk.ai_interviewer.domain.Question; import com.oragee.banners.BannerView; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; @SuppressLint("ValidFragment") public class Job_Index_maintop_Fragment extends Fragment implements View.OnClickListener,ListView.OnItemClickListener{ @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { final int p = position; Bundle bundle = new Bundle(); joblist.get(position).setBitmap(null); bundle.putSerializable("job",joblist.get(position)); Intent intent = new Intent(getContext(),JobinfoActivity.class); intent.putExtra("job",bundle); startActivity(intent); } BannerView bannerView; @Override public void onClick(View v) { Bundle bundle; Intent intent; switch (v.getId()){ case R.id.btn_kj_interview: bundle = new Bundle(); bundle.putInt("iid",1); intent = new Intent(getContext(),WelcomeInterviewActivity.class); intent.putExtra("iid",bundle); startActivity(intent); break; // case R.id.ll_job: // bundle = new Bundle(); // bundle.putInt("jid",1); // intent = new Intent(getContext(),JobinfoActivity.class); // intent.putExtra("jid",bundle); // startActivity(intent); // break; } } callbackQuestion_Choose_Fragment callbackQuestion_choose_fragment = null; private Button btn_kj; private List<Job> joblist = new ArrayList<>(); final Commiuncate_Server cs = new Commiuncate_Server(); private LinearLayout ll_job; private ListView lv; private List<Map<String, Object>> data; public Job_Index_maintop_Fragment() { } public Job_Index_maintop_Fragment(callbackQuestion_Choose_Fragment callbackQuestionChooseFragment) { this.callbackQuestion_choose_fragment = callbackQuestionChooseFragment; } private int[] imgs = {R.mipmap.ad4,R.mipmap.ad3,R.mipmap.ad6,R.mipmap.ad7,R.mipmap.ad8,R.mipmap.ad1}; private List<View> viewList; @Nullable @Override public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.job_center_maintop_activity, container, false); lv = view.findViewById(R.id.lv_joblist); Bundle bundle = getArguments(); joblist = ((JobList)bundle.getSerializable("joblist")).getJobList(); data = getData(); lv.setAdapter(new JobListView_Adapter(getContext(), data)); fixListViewHeight(lv); // fixListViewHeight(lv); // // Thread thread1 = new Thread(new Runnable() { // @Override // public void run() { // try{ // joblist = cs.get_joblist(10); // data = getData(); //// System.out.println(joblist.size()+"OK!!!!!!!!"); // job_loaded_flag = true; // }catch (Exception ex){ // ex.printStackTrace(); // } // } // }); // thread1.start(); // Thread thread = new Thread(new Runnable() { // boolean thread_flag=false; // @Override // public void run() { // while (true) { // if(thread_flag){ // return; // } //// System.out.println("又來了"); // getActivity().runOnUiThread(new Runnable() { // // @Override // public void run() { // if(job_loaded_flag) { //// System.out.println("====3213=21=321=321=3=21=321=321=321=3=21=321"); // lv.setAdapter(new JobListView_Adapter(getContext(), data)); // fixListViewHeight(lv); // job_loaded_flag = false; // thread_flag = true; // return; // } // } // // }); // } // } // }); // thread.start(); // System.out.println(data.size()+"----------------==="); viewList = new ArrayList<View>(); lv.setOnItemClickListener(this); for (int i = 0; i < imgs.length; i++) { ImageView image = new ImageView(getContext()); image.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)); //設定顯示格式 image.setScaleType(ImageView.ScaleType.CENTER_CROP); image.setImageResource(imgs[i]); viewList.add(image); } bannerView = (BannerView) view.findViewById(R.id.banner_ad); bannerView.startLoop(true); bannerView.setLoopInterval(3000); bannerView.setViewList(viewList); btn_kj = view.findViewById(R.id.btn_kj_interview); btn_kj.setOnClickListener(this); // ll_job = view.findViewById(R.id.ll_job); // ll_job.setOnClickListener(this); lv.setFocusable(false); ((ScrollView)view.findViewById(R.id.sv_job_lastest)).scrollTo(0, 20) ; return view; } boolean job_loaded_flag = false; public List<Map<String, Object>> getData(){ List<Map<String, Object>> list=new ArrayList<Map<String,Object>>(); for (Job job : joblist) { Map<String, Object> map=new HashMap<String, Object>(); map.put("image", job.getBitmap()); map.put("jobname", job.getJobName()); map.put("jobdesc", job.getDegree()+"|"+job.getWorkPlace()); list.add(map); } System.out.println(list.size()); return list; } public interface callbackQuestion_Choose_Fragment { public int get_question_answer(int answer); } public void fixListViewHeight(ListView listView) { // 如果沒有設定資料介面卡，則ListView沒有子項，返回。 JobListView_Adapter listAdapter = (JobListView_Adapter) listView.getAdapter(); int totalHeight = 0; if (listAdapter == null) { return; } for (int index = 0, len = listAdapter.getCount(); index < len; index++) { View listViewItem = listAdapter.getView(index , null, listView); // 計運算元項View 的寬高 listViewItem.measure(0, 0); // 計算所有子項的高度和 totalHeight += listViewItem.getMeasuredHeight(); } ViewGroup.LayoutParams params = listView.getLayoutParams(); // listView.getDividerHeight()獲取子項間分隔符的高度 // params.height設定ListView完全顯示需要的高度 params.height = totalHeight+ (listView.getDividerHeight() * (listAdapter.getCount() - 1)); listView.setLayoutParams(params); } }