2014-02-14 116 views
2

我試圖將string arraylistview_array)轉換爲int array,然後比較數字。不幸的是,每次執行應用程序都會崩潰。將字符串數組轉換爲int數組android

下面是代碼:

public class FindStop3 extends Activity implements OnItemClickListener{ 
    private String stop,line,listview_array[],buschain,dayweek,weekly; 
    private int selected,day; 
    private TextView tvLine,tvToday,tvNext; 
    private ListView lv;  
    String currentdate = java.text.DateFormat.getDateInstance().format(Calendar.getInstance().getTime());//Get current time 
    String currenttime = java.text.DateFormat.getTimeInstance().format(Calendar.getInstance().getTime());//Get current time 
    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_find_stop3); 
     FindStop3.this.overridePendingTransition(android.R.anim.slide_in_left, android.R.anim.slide_out_right);//Lateral transition 

     Intent intent = getIntent();//Take data from last activity 
     Bundle bundle = intent.getExtras(); 
     line=bundle.getString("Line");//Takes the previous selected line from the last activity 
     stop=bundle.getString("Stop");//Takes the previous selected stop from the last activity 
     setTitle("Selected stop: "+stop);//Modifies title 

     getDayOfWeek();//Gets day of week 
     getBusChain(line,stop,weekly);//Calls method to get the xml chain name   

     tvLine = (TextView) findViewById(R.id.tvLine); 
     tvLine.setText("Line from "+line); 

     tvNext = (TextView) findViewById(R.id.tvNext); 
     tvNext.setText("Next bus arrives at "+currenttime); 


     tvToday = (TextView) findViewById(R.id.tvToday); 
     tvToday.setText(dayweek+","+currentdate+" schedule:");   

     selected= getResources().getIdentifier(buschain, "array", 
       this.getPackageName());//Lets me use a variable as stringArray 

     listview_array = getResources().getStringArray(selected); 

     lv = (ListView) findViewById(R.id.lvSchedule); 
     lv.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1, listview_array)); 


     getNextBus(); 


    } 

這裏是將其轉換方法:

public void getNextBus() { 
     //Converts listview_array into an integer array 

     int myar[]=new int[listview_array.length]; 

        for(int i=0;i<listview_array.length;i++){ 

         myar[i]=Integer.parseInt(listview_array[i]); 



      } 

如果不執行的方法,應用程序完美的作品。該值從XML文件採取如下:

<string-array name="Schedule"> 
     <item>05:40</item> 
     <item>06:00</item> 
     <item>06:16</item> 
     <item>06:28</item> 
     <item>06:40</item> 
     <item>07:16</item> 
     <item>07:29</item> 
     <item>07:43</item> 
     <item>07:55</item> 
     <item>08:07</item> 
     <item>08:22</item>  
    </string-array> 
莫非

任何人提供有關什麼可能是問題的想法?

謝謝。

+2

LogCat說什麼? – pedromss

+3

您是否將「05:40」或「05」和「40」傳遞給Interger.parseInt?傳遞「05:40」不起作用。 –

回答

1

我認爲你的問題是當你嘗試轉換值時,因爲像這樣的「05:40」這樣的值不能被轉換成int。

可能,您會得到一個NumberFormatException

如果您想要更好的答案,請發送您的應用程序的日誌。

+0

謝謝。這非常有幫助,我可以解決這個問題! – user3302071

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