Android 视图在一段时间后从Listview消失

Android 视图在一段时间后从Listview消失,android,listview,android-listview,android-arrayadapter,custom-adapter,Android,Listview,Android Listview,Android Arrayadapter,Custom Adapter,嗨,在我的项目中,我正在使用一个自定义适配器。当包含listview的活动打开时,图像视图和文本视图首先出现,一段时间后视图出现。我找不到解决方案。你知道吗? 编辑: 它也可以在模拟器上工作,但不能在普通设备上工作 我在其中设置适配器的类: protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activit

嗨,在我的项目中,我正在使用一个自定义适配器。当包含listview的活动打开时,图像视图和文本视图首先出现,一段时间后视图出现。我找不到解决方案。你知道吗? 编辑: 它也可以在模拟器上工作,但不能在普通设备上工作

我在其中设置适配器的类:

 protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_person_deatil);
    Intent detailIntent = getIntent();
    Gson gson = new Gson();
    String obj = detailIntent.getStringExtra("obj");
    PeopleListItem people = gson.fromJson(obj, PeopleListItem.class);

    ListView lw = (ListView) findViewById(R.id.perdetLw);

    PeopleListItem[] list = new PeopleListItem[6];
        for(int i=0; i<6; i++){
            list[i] = people;
        }

    ActionBar ab = getActionBar();
    ab.setDisplayHomeAsUpEnabled(true);
    ab.setTitle(people.getName());
    ab.setIcon(R.drawable.ic_action_person);

    PeopleDetailArrayAdapter adp = new PeopleDetailArrayAdapter(this, R.layout.person_detail_item, list);
    lw.setAdapter(adp);

} 
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity\u person\u deatil);
Intent detailIntent=getIntent();
Gson Gson=新的Gson();
stringobj=detailIntent.getStringExtra(“obj”);
PeopleListItem people=gson.fromJson(obj,PeopleListItem.class);
ListView lw=(ListView)findViewById(R.id.perdetLw);
PeopleListItem[]列表=新建PeopleListItem[6];

对于(int i=0;i我通过使用
position
而不是使用
count

          public class PeopleDetailArrayAdapter extends ArrayAdapter<PeopleListItem> {

int resource;
Context context;

public PeopleDetailArrayAdapter(Context context, int resource,
        PeopleListItem[] list) {
    super(context, resource, list);
    this.resource = resource; 
    this.context = context;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
    // TODO Auto-generated method stub

    final PeopleListItem peopleObj = getItem(position);
    LayoutInflater layoutInflator = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View listViewItem = layoutInflator.inflate(resource, null);

    final TextView textView = (TextView) listViewItem.findViewById(R.id.detailTw);
    final TextView textView1 = (TextView) listViewItem.findViewById(R.id.detailTw1);

    switch (position) {
    case 0:
        textView.setText("Title");
        String title = peopleObj.getTitle();
        textView1.setText(title);
        break;
    case 1:
        textView.setText("Department");
        String dep = peopleObj.getDepart();
        textView1.setText(dep);
        break;  
    case 2:
        textView.setText("Work");
        String wp = peopleObj.getWorkPhone();
        textView1.setText(wp);
        break;
    case 3:
        textView.setText("Mobile");
        String mp = peopleObj.getMobilePhone();
        textView1.setText(mp);
        break;
    case 4:
        textView.setText("Email");
        String email = peopleObj.getEmail();
        textView1.setText(email);
        break;
    case 5:
        textView.setText("Manager");
        String man = peopleObj.getManager();
        textView1.setText(man);
        break;
    }

    return listViewItem;
}
公共类PeopleDetailArrayAdapter扩展了ArrayAdapter{
智力资源;
语境;
public PeopleDetailArrayAdapter(上下文、内部资源、,
PeopleListItem[]列表){
超级(上下文、资源、列表);
这个资源=资源;
this.context=上下文;
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
//TODO自动生成的方法存根
最终PeopleListItem peopleObj=getItem(位置);
LayoutInflater layoutInflator=(LayoutInflater)context.getSystemService(context.LAYOUT\u INFLATER\u SERVICE);
View listViewItem=LayoutFlator.inflate(资源,空);
最终文本视图文本视图=(文本视图)listViewItem.findViewById(R.id.detailTw);
最终文本视图文本视图1=(文本视图)listViewItem.findViewById(R.id.detailTw1);
开关(位置){
案例0:
textView.setText(“标题”);
字符串title=peopleObj.getTitle();
textView1.setText(标题);
打破
案例1:
textView.setText(“部门”);
字符串dep=peopleObj.getDeep();
textView1.setText(dep);
打破
案例2:
setText(“工作”);
字符串wp=peopleObj.getWorkPhone();
textView1.setText(wp);
打破
案例3:
textView.setText(“移动”);
字符串mp=peopleObj.getMobilePhone();
textView1.setText(mp);
打破
案例4:
textView.setText(“电子邮件”);
字符串email=peopleObj.getEmail();
textView1.setText(电子邮件);
打破
案例5:
textView.setText(“管理器”);
String man=peopleObj.getManager();
textView1.setText(男子);
打破
}
返回listViewItem;
}

}

为什么要将
列表
的所有元素分配给同一个
变量?为了不浪费创建布局的时间,我为一行创建了一个简单的布局,其中包含了我需要的所有内容。您可以使用ViewHolder模式来获得更好的性能。@calypso在代码中,您的listview应该是这样的:第1行-仅标题,第2行-仅标题第三排,仅限工作电话等。listview的设计非常奇怪,frankly@mangusta是的,你是对的,正如我在问题中所说的,我看到了这些,然后消失了。
          public class PeopleDetailArrayAdapter extends ArrayAdapter<PeopleListItem> {

int resource;
Context context;

public PeopleDetailArrayAdapter(Context context, int resource,
        PeopleListItem[] list) {
    super(context, resource, list);
    this.resource = resource; 
    this.context = context;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
    // TODO Auto-generated method stub

    final PeopleListItem peopleObj = getItem(position);
    LayoutInflater layoutInflator = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View listViewItem = layoutInflator.inflate(resource, null);

    final TextView textView = (TextView) listViewItem.findViewById(R.id.detailTw);
    final TextView textView1 = (TextView) listViewItem.findViewById(R.id.detailTw1);

    switch (position) {
    case 0:
        textView.setText("Title");
        String title = peopleObj.getTitle();
        textView1.setText(title);
        break;
    case 1:
        textView.setText("Department");
        String dep = peopleObj.getDepart();
        textView1.setText(dep);
        break;  
    case 2:
        textView.setText("Work");
        String wp = peopleObj.getWorkPhone();
        textView1.setText(wp);
        break;
    case 3:
        textView.setText("Mobile");
        String mp = peopleObj.getMobilePhone();
        textView1.setText(mp);
        break;
    case 4:
        textView.setText("Email");
        String email = peopleObj.getEmail();
        textView1.setText(email);
        break;
    case 5:
        textView.setText("Manager");
        String man = peopleObj.getManager();
        textView1.setText(man);
        break;
    }

    return listViewItem;
}