android - 在面向 ArrayIndexOutOfBoundsException 的自定义 ListView 中

Question

我想要带有 2 个文本框的客户 ListView，首先我可以显示号码，在另一个我可以显示其未接来电号码，已接或去电号码，日期我可以在 ListView 的第二行中显示日期和调用类型但是当我尝试显示数字时出现以下错误。

04-30 16:38:02.764: E/AndroidRuntime(7312): FATAL EXCEPTION: main
04-30 16:38:02.764: E/AndroidRuntime(7312): java.lang.ArrayIndexOutOfBoundsException
04-30 16:38:02.764: E/AndroidRuntime(7312): at com.custom.ListViewAdapter.getView  (ListViewAdapter.java:64)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.widget.AbsListView.obtainView(AbsListView.java:2203)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.widget.ListView.measureHeightOfChildren(ListView.java:1204)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.widget.ListView.onMeasure(ListView.java:1115)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.view.View.measure(View.java:8339)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1012)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.widget.LinearLayout.measureVertical(LinearLayout.java:381)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.widget.LinearLayout.onMeasure(LinearLayout.java:304)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.view.View.measure(View.java:8339)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at   android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.view.View.measure(View.java:8339)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.widget.LinearLayout.measureVertical(LinearLayout.java:526)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.widget.LinearLayout.onMeasure(LinearLayout.java:304)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.view.View.measure(View.java:8339)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.view.View.measure(View.java:8339)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.view.ViewRoot.performTraversals(ViewRoot.java:801)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.view.ViewRoot.handleMessage(ViewRoot.java:1727)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.os.Handler.dispatchMessage(Handler.java:99)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.os.Looper.loop(Looper.java:123)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at android.app.ActivityThread.main(ActivityThread.java:4627)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at java.lang.reflect.Method.invokeNative(Native Method)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at java.lang.reflect.Method.invoke(Method.java:521)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:870)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:628)
04-30 16:38:02.764: E/AndroidRuntime(7312):     at dalvik.system.NativeStart.main(Native Method)

在这里，我已经将 List 转换为 String[] 但如果我写
lviewAdapter = new ListViewAdapter(this, timeArray, timeArray); 其中都打印call Type 和date 但是当我写
lviewAdapter = new ListViewAdapter(this, timeArray, timeArray); 它给出 ArrayIndexoutOfBoundException

ListView2Activity.java

import java.sql.Date;

导入java.util.ArrayList； 导入 java.util.List;

import android.app.Activity;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.CallLog;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;

public class ListView2Activity extends Activity implements OnItemClickListener
{
 /** Called when the activity is first created. */

ListView lview;
ListViewAdapter lviewAdapter;
List<String> dir;
List<String> num;
String[] numArray ;
String[] timeArray;
@Override
public void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main); 
    dir = new ArrayList<String>();
    num = new ArrayList<String>();
    Cursor managedCursor = managedQuery( CallLog.Calls.CONTENT_URI,null, null,null, null);
    int number = managedCursor.getColumnIndex( CallLog.Calls.NUMBER ); 
    int type = managedCursor.getColumnIndex( CallLog.Calls.TYPE );
    int date = managedCursor.getColumnIndex( CallLog.Calls.DATE);

    Log.d("tag","call details");
    while ( managedCursor.moveToNext() ) 
    {
    String phNumber = managedCursor.getString( number );
    num.add(phNumber);

    String callType = managedCursor.getString( type );
    String callDate = managedCursor.getString( date );
    Date callDayTime = new Date(Long.valueOf(callDate));


    int dircode = Integer.parseInt( callType );
    switch( dircode )
    {
    case CallLog.Calls.OUTGOING_TYPE:
        dir.add("OUTGOING" + " , "+ callDayTime);

        break;
    case CallLog.Calls.INCOMING_TYPE:
        dir.add("INCOMING"+ " , "+ callDayTime);


        break;
    case CallLog.Calls.MISSED_TYPE:
        dir.add("MISSED"+  " , "+ callDayTime); 
        break;
    }// switch end
    Log.d("tag",phNumber +"," + dir );

    } // while end


     numArray = new String[num.size()];
    for (int i = 0; i < num.size(); i++) 
    {
        numArray[i] = num.get(i);  
    //  Log.i("tag", "in array :" + num[i]);
    } // for end

     timeArray = new String[dir.size()];
    for (int j = 0; j < dir.size(); j++) {
        timeArray[j] = dir.get(j);  
    } // for end

    managedCursor.close();

    lview = (ListView) findViewById(R.id.listView2);
    lviewAdapter = new ListViewAdapter(this, numArray, timeArray);

    System.out.println("adapter => "+lviewAdapter.getCount());

    lview.setAdapter(lviewAdapter);

    lview.setOnItemClickListener(this);
} // create end

public void onItemClick(AdapterView<?> arg0, View arg1, int position, long id) 
{
    // TODO Auto-generated method stub
    Toast.makeText(this,"Title => "+numArray[position]+"=> n Description"+timeArray[position], Toast.LENGTH_SHORT).show();
}}

ListViewAdapter.java

import android.app.Activity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

public class ListViewAdapter extends BaseAdapter
{
Activity context;
String title[];
String description[];

public ListViewAdapter(Activity context, String[] title, String[] description) {
    super();
    this.context = context;
    this.title = title;
    this.description = description;
}

public int getCount() {
    // TODO Auto-generated method stub
    return title.length;
}

public Object getItem(int position) {
    // TODO Auto-generated method stub
    return null;
}

public long getItemId(int position) {
    // TODO Auto-generated method stub
    return 0;
}

private class ViewHolder {
    TextView txtViewTitle;
    TextView txtViewDescription;
}

public View getView(int position, View convertView, ViewGroup parent)
{
    // TODO Auto-generated method stub
    ViewHolder holder;
    LayoutInflater inflater =  context.getLayoutInflater();

    if (convertView == null)
    {
        convertView = inflater.inflate(R.layout.listitem_row, null);
        holder = new ViewHolder();
        holder.txtViewTitle = (TextView) convertView.findViewById(R.id.textView1);
        holder.txtViewDescription = (TextView) convertView.findViewById(R.id.textView2);
        convertView.setTag(holder);
    }
    else
    {
        holder = (ViewHolder) convertView.getTag();
    }

    holder.txtViewTitle.setText(title[position]);
    holder.txtViewDescription.setText(description[position]);

return convertView;
}
}

Answer 1

上面的代码运行良好，我只是复制并粘贴它并运行这段代码并得到以下结果。