Java 在ListView中多次显示数据

我正在向多次显示的列表视图添加数据

我有两个活动。第一个活动是添加按钮和列表视图。单击“添加”按钮后，我转到第二个活动。在第二个活动中，将数据添加到ArrayList。在这里，我使用parcelable将ArrayList对象传递给第一个活动

在第一个活动中，我将获取ArrayList对象值存储在一个ArrayList中，然后将对象传递给listview。在listview中，数据以多模块时间显示。请通过此链接

对不起，我英语不好

public class MainActivity extends ActionBarActivity { 
    ImageView addView, searchView;
    DetailsEmp detailsEmp = new DetailsEmp();
    ListView listView;
    ArrayList<Employee> listDetails=new ArrayList<Employee>();
    DetailsAdapter detailsAdapter;



@Override 
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Employee emp = (Employee) getIntent().getParcelableExtra(detailsEmp.PAR_KEY);
    listView = (ListView) findViewById(R.id.listView);
    addView = (ImageView) findViewById(R.id.addImage);
    addView.setOnClickListener(new OnClickListener() {

        @Override 
        public void onClick(View v) {
            // TODO Auto-generated method stub 
            Intent i = new Intent(getApplicationContext(), DetailsEmp.class);
            startActivity(i);

        } 
    }); 

    if (emp != null) {
        Employee emplyoee=new Employee();
        { 
            emplyoee.setName(emp.getName());
            listDetails.add(emplyoee);
            emplyoee.setCmpny(emp.getCmpny());
            listDetails.add(emplyoee);
            emplyoee.setDisig(emp.getDisig());
            listDetails.add(emplyoee);
            emplyoee.setListAge(emp.getListAge());
            listDetails.add(emplyoee);
            emplyoee.setListGen(emp.getListGen());
            listDetails.add(emplyoee);
            emplyoee.setListExp(emp.getListExp());
            listDetails.add(emplyoee);

        Log.d("bundle Size is ", "Emp Name is " + emp.getName());
        Log.d("bundle Size is ", "Emp Sex is " + emp.getListGen());
        Log.d("list Size is ", " ArrayList<Emplyoee> " + listDetails.size());
            for (int i = 0; i < listDetails.size(); i++) {
                Log.d("list Size is ", " ArrayList<Emplyoee> "
                        + listDetails.get(i).getName().toString());
            } 
        } 

        detailsAdapter=new DetailsAdapter(getApplicationContext(), android.R.layout.simple_list_item_1, listDetails);
        listView.setAdapter(detailsAdapter);
    } 
} 
@Override 
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present. 
    getMenuInflater().inflate(R.menu.main, menu);
    return true; 
} 

@Override 
public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will 
    // automatically handle clicks on the Home/Up button, so long 
    // as you specify a parent activity in AndroidManifest.xml. 
    int id = item.getItemId();
    if (id == R.id.action_settings) {
        return true; 
    } 
    return super.onOptionsItemSelected(item);
} 
} 

// second activity 
public class DetailsAdapter extends ArrayAdapter<Employee> {
    private Context context;
    private ArrayList<Employee> listDetails;

public DetailsAdapter(Context context, int resource,
        ArrayList<Employee> listDetails) {
    super(context, resource, listDetails);
    // TODO Auto-generated constructor stub 
    this.context = context;
    this.listDetails = listDetails;
} 
private class ViewHolder 
{ 
    TextView empName,empCmpny,empDisig,empAge,empExp ;
    ImageView empIcon;
} 
@Override 
public View getView(int position, View convertView, ViewGroup parent) {
    // TODO Auto-generated method stub 
    ViewHolder holder=null;
    Employee emplyoee=getItem(position);
    LayoutInflater inflator=(LayoutInflater)context.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
    if(convertView == null)
    { 
        convertView =inflator.inflate(R.layout.activity_listview, parent, false);
        holder=new ViewHolder();
        holder.empName=(TextView)convertView.findViewById(R.id.listName);
        holder.empCmpny=(TextView)convertView.findViewById(R.id.listCmpny);
        holder.empDisig=(TextView)convertView.findViewById(R.id.listDesignation);
        holder.empIcon=(ImageView)convertView.findViewById(R.id.female);
        convertView.setTag(holder);
    } 
    holder=(ViewHolder)convertView.getTag();
    for (int j = 0; j < listDetails.size(); j++) {
        holder.empName.setText(emplyoee.getName());
        holder.empCmpny.setText(emplyoee.getCmpny());
        holder.empDisig.setText(emplyoee.getDisig());
        if (emplyoee.getListGen().toString() == "Male") {
            holder.empIcon.setImageResource(R.drawable.client_male_dark);
        } 
    } 

    return convertView;
} 

} 

// POJO class 
public class Employee implements Parcelable {
String listName = null;
String listCmpny = null;
String listDisig = null;
String listExp = null;
String listAge = null;
String listGen = null;

public String getName() {
    return listName;
} 

public String getListExp() {
    return listExp;
} 

public void setListExp(String listExp) {
    this.listExp = listExp;
} 

public String getListAge() {
    return listAge;
} 

public void setListAge(String listAge) {
    this.listAge = listAge;
} 

public String getListGen() {
    return listGen;
} 

public void setListGen(String listGen) {
    this.listGen = listGen;
} 

public void setName(String listName) {
    this.listName = listName;
} 

public String getCmpny() {
    return listCmpny;
} 

public void setCmpny(String listCmpny) {
    this.listCmpny = listCmpny;
} 

public String getDisig() {
    return listDisig;
} 

public void setDisig(String listDisig) {
    this.listDisig = listDisig;
} 

public static final Parcelable.Creator CREATOR = new Creator() {

    @Override 
    public Employee createFromParcel(Parcel source) {
        Employee emp = new Employee();
        emp.listName = source.readString();
        emp.listCmpny = source.readString();
        emp.listDisig = source.readString();
        emp.listAge = source.readString();
        emp.listGen = source.readString();
        emp.listExp = source.readString();
        return emp;
    } 

    public Employee[] newArray(int size) {
        return new Employee[size];
    } 
}; 

@Override 
public int describeContents() { 
    // TODO Auto-generated method stub 
    return 0; 
} 

@Override 
public void writeToParcel(Parcel dest, int flags) {
    // TODO Auto-generated method stub 
    dest.writeString(listName);
    dest.writeString(listCmpny);
    dest.writeString(listDisig);
    dest.writeString(listAge);
    dest.writeString(listGen);
    dest.writeString(listExp);
} 
} 
// DetailsEmp 
public class DetailsEmp extends Activity {
    public final static String PAR_KEY="key_par";
    private EditText empName, empCmpny, empDisig, empAge, empExp;
    private RadioGroup empGender;
    private RadioButton empMale, empFemale;
    Button save;
    ArrayList<Employee> list = new ArrayList<Employee>();
@Override 
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_details_emp);

        // getting the details from the xml 

        empName = (EditText) findViewById(R.id.editName);
        empCmpny = (EditText) findViewById(R.id.editCmpny);
        empDisig = (EditText) findViewById(R.id.editDisignation);
        empAge = (EditText) findViewById(R.id.editAge);
        empExp = (EditText) findViewById(R.id.editExp);
save.setOnClickListener(new OnClickListener() {

            @Override 
            public void onClick(View v) {
                // TODO Auto-generated method stub 



                empGenderDetails(); 

            } 
        }); 

    } 

    protected void empGenderDetails() { 
        // TODO Auto-generated method stub 
        // empMale = (RadioButton) findViewById(R.id.male); 
        Employee emp = new Employee(); 
        emp.setName(empName.getText().toString()); 
        //list.add(emp); 
        emp.setCmpny(empCmpny.getText().toString()); 
        //list.add(emp); 
        emp.setDisig(empDisig.getText().toString()); 
        //list.add(emp); 
        emp.setListAge(empAge.getText().toString()); 
        //list.add(emp); 
        emp.setListExp(empExp.getText().toString()); 
        //list.add(emp); 

        empFemale = (RadioButton) findViewById(R.id.female); 
        empGender = (RadioGroup) findViewById(R.id.radioGroup); 
        int sel = empGender.getCheckedRadioButtonId(); 
        empMale = (RadioButton) findViewById(sel); 
        emp.setListGen(empMale.getText().toString()); 
        Log.d("Employee data ", " Emp " + emp.listName.toString() 
                + empMale.getText().toString() 
                + empExp.getText().toString()); 
        Intent i = new Intent(getApplicationContext(), 
                MainActivity.class); 
        Bundle b=new Bundle(); 
        b.putParcelable(PAR_KEY , emp); 
        i.putExtras(b); 
        //setResult(RESULT_OK, i); 
        startActivity(i); 
        finish(); 
        //list.add(emp); 
        Log.d("Emplyooe Size ","Emplyoee " + emp.getName()); 
        /* 
} 

公共类MainActivity扩展了ActionBarActivity{
ImageView添加视图、searchView；
DetailsEmp DetailsEmp=新的DetailsEmp（）；
列表视图列表视图；
ArrayList listDetails=新建ArrayList（）；
DetailsAdapter DetailsAdapter；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.activity_main）；
Employee emp=（Employee）getIntent（）.getParcelableExtra（detailsEmp.PAR_KEY）；
listView=（listView）findViewById（R.id.listView）；
addView=（ImageView）findViewById（R.id.addImage）；
addView.setOnClickListener（新的OnClickListener（）{
@凌驾
公共void onClick（视图v）{
//TODO自动生成的方法存根
Intent i=新的Intent（getApplicationContext（），DetailsEmp.class）；
星触觉（i）；
} 
}); 
如果（emp！=null）{
员工雇员=新员工（）；
{ 
employee.setName（emp.getName（））；
列表详细信息。添加（受雇人）；
employee.setCmpny（emp.getCmpny（））；
列表详细信息。添加（受雇人）；
employee.setDisig（emp.getDisig（））；
列表详细信息。添加（受雇人）；
Employee.setListAge（emp.getListAge（））；
列表详细信息。添加（受雇人）；
employee.setListGen（emp.getListGen（））；
列表详细信息。添加（受雇人）；
employee.setListXP（emp.getListXP（））；
列表详细信息。添加（受雇人）；
Log.d（“束大小为”，“Emp名称为”+Emp.getName（））；
Log.d（“束大小为”，“Emp Sex为”+Emp.getListGen（））；
d（“列表大小为”，“ArrayList”+listDetails.Size（））；
对于（int i=0；i            emplyoee.setName(emp.getName());
            listDetails.add(emplyoee);
            emplyoee.setCmpny(emp.getCmpny());
            listDetails.add(emplyoee);
            emplyoee.setDisig(emp.getDisig());
            listDetails.add(emplyoee);
            emplyoee.setListAge(emp.getListAge());
            listDetails.add(emplyoee);
            emplyoee.setListGen(emp.getListGen());
            listDetails.add(emplyoee);
            emplyoee.setListExp(emp.getListExp());
            listDetails.add(emplyoee);

            emplyoee.setName(emp.getName());

            emplyoee.setCmpny(emp.getCmpny());

            emplyoee.setDisig(emp.getDisig());

            emplyoee.setListAge(emp.getListAge());

            emplyoee.setListGen(emp.getListGen());

            emplyoee.setListExp(emp.getListExp());
            listDetails.add(emplyoee);

 addView.setOnClickListener(new OnClickListener() {

            @Override 
            public void onClick(View v) {
                // TODO Auto-generated method stub 

            emplyoee.setName(emp.getName());

            emplyoee.setCmpny(emp.getCmpny());

            emplyoee.setDisig(emp.getDisig());

            emplyoee.setListAge(emp.getListAge());

            emplyoee.setListGen(emp.getListGen());

            emplyoee.setListExp(emp.getListExp());
            listDetails.add(emplyoee);


             Intent i = new Intent(getApplicationContext(), DetailsEmp.class);
                startActivity(i);

            } 
        }); 

public void setData(ArrayList<Employee> _listOfEmp){
  this.listOfEmp = _listOfEmp;
}