我的应用程序一次只能定位一个人，但是如果我希望我的应用程序一次定位多个人怎么办..我尝试使用 for 循环来做到这一点，但它不起作用..我的应用程序中有一个编辑文本和一个名为 Add 的按钮，在编辑文本上写任何数字并单击 Add ，一个数字将添加到列表中然后我有一个名为 Locate 的按钮，通过单击该定位按钮，我希望我的应用程序找到那些添加到某些清单。谁能告诉我该怎么做？这是我的代码
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_fl_number_provider);
// Show the Up button in the action bar.
setupActionBar();
contacts = new ArrayList<String>();
btnAdd = (Button)findViewById(R.id.btnflAddNum);
btnAdd.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
number = (EditText)findViewById(R.id.flPhoneNumber);
strNumber = number.getText().toString();
if (strNumber == "")
{
Toast.makeText(getApplicationContext(), "Required Field is empty", Toast.LENGTH_LONG).show();
}else{
contacts.add(strNumber);
//x++;
listview = (ListView) findViewById(R.id.listView1);
listview.setAdapter(new BaseAdapter() {
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
LayoutInflater inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.list_row, null);
TextView textView = (TextView) view.findViewById(R.id.TextView01);
textView.setText(contacts.get(position));
return view;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return contacts.get(position);
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return contacts.size();
}
});
number.setText("");
}
}
});
//number = (EditText) this.findViewById(R.id.flPhoneNumber);
//listview = (ListView)findViewById(R.id.listView1);
LocationHead = (TextView) this.findViewById(R.id.flLastKnownLocationHead);
LastLocation = (TextView) this.findViewById(R.id.flLastLocation);
getLocation = (Button) this.findViewById(R.id.btnflgetLocation);
getLocation.setOnClickListener(new View.OnClickListener() {
@SuppressWarnings("deprecation")
@Override
public void onClick(View arg0) {
//String num = number.getText().toString();
//int x = contacts.size();
try{
if(contacts == null)
{
Toast.makeText(getApplicationContext(), "0", Toast.LENGTH_SHORT).show();
}
else{
// Toast.makeText(getApplicationContext(), x+" - check", Toast.LENGTH_SHORT).show();
for(int i = 0; i <= contacts.size(); i++)
{
//String x = contacts.get(i).toString();
sendMsg(contacts.get(i), contacts.size()+ "message family location");
//LocationHead.setText(contacts.get(i).toString());
//LastLocation.setText("waiting....");
}
}
}catch(Exception e){
Toast.makeText(getApplicationContext(), e.toString()+ "Field Empty", Toast.LENGTH_SHORT).show();
}
}
});