我是新到Android我無法從我目前的列表視圖中的其他活動創建鏈接: 這是我的代碼:無法創建到其他活動的鏈接?
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.list_advanced_main);
ListView lv1 = (ListView)findViewById(android.R.id.list);
ArrayList<HashMap<String,Object>> mylist = new ArrayList<HashMap<String,Object>>();
HashMap<String, Object> map = new HashMap<String, Object>();
map.put("image", R.drawable.mj_icon);
map.put("text1", "Michael Jackson");
map.put("text2", "King Of Pop");
map.put("to",R.drawable.arrow_icon);
mylist.add(map);
map = new HashMap<String,Object>();
map.put("image", R.drawable.sachin_icon);
map.put("text1", "Sachin Tendulkar");
map.put("text2", "The Master Blaster");
map.put("to",R.drawable.arrow_icon);
mylist.add(map);
map = new HashMap<String,Object>();
map.put("image", R.drawable.hrithik_icon);
map.put("text1", "Hrithik Roshan");
map.put("text2", "Bollywood Actor");
map.put("to",R.drawable.arrow_icon);
mylist.add(map);
map = new HashMap<String,Object>();
map.put("image", R.drawable.maradona_icon);
map.put("text1", "Diego Maradona");
map.put("text2", "The God Of Soccer");
map.put("to",R.drawable.arrow_icon);
mylist.add(map);
SimpleAdapter mSchedule = new SimpleAdapter(this, mylist, R.layout.list_advanced,
new String[] {"image", "text1", "text2", "to"}, new int[] {R.id.movieicon, R.id.name, R.id.description, R.id.img});
setListAdapter(mSchedule);
lv1=getListView();
lv1.setTextFilterEnabled(true);
lv1.setOnItemClickListener(new OnItemClickListener(){
public void onItemClick(AdapterView<?> parent,View view,int position,long id){
switch(position)
{
case 0:
Intent obj = new Intent(advancedlistview.this,michaeljackson.class);
startActivityForResult(obj,0);
Log.i("test","tst");
break;
case 1:
Intent obj1 = new Intent(advancedlistview.this,Sachin.class);
System.out.println("hello");
startActivity(obj1);
break;
case 2:
Intent obj2 = new Intent(advancedlistview.this,Hrithik.class);
startActivity(obj2);
break;
case 3:
Intent obj3 = new Intent(advancedlistview.this,Maradona.class);
startActivity(obj3);
break;
}
}
});
}
我的日誌貓::
12月3日至3日: 35:05.093:DEBUG/AndroidRuntime(4899):>>>>>>>>>>>>>>>>>>> AndroidRuntime START < < < < < < < < < < < < < < 03-03 12:35:05.093:DEBUG/AndroidRuntime(4899):---註冊本地函數--- 03-03(DEBUG/AndroidRuntime(4899):CheckJNI爲ON 03-03 12:35:05.632 12:35:07.531:DEBUG/AndroidRuntime(4899):關閉VM 03-03 12:35:07.563:DEBUG/dalvikvm(4899):調試器已分離;對象註冊表有1個條目 03-03 12:35:07.563:信息/ AndroidRuntime(4899):注意:附加線程'活頁夾線程#3'失敗 03-03 12:35:08.950:DEBUG/AndroidRuntime(4909) :>>>>>>>>>>>>>>>>>>> AndroidRuntime START < < < < < < < < < < < < < < 12月三日日至3日:35:08.950:DEBUG/AndroidRuntime(4909):CheckJNI是ON 03-03 12:35:09.585:DEBUG/AndroidRuntime(4909):---註冊本地函數--- 03-03 12:35:11.784:INFO/ActivityManager(61):開始活動:Intent {act = android.intent.action.MAIN cat = [android。 intent.category.LAUNCHER] flg = 0x10000000 cmp = com.ex.dp/.demoProject1} 03-03 12:35:11.877:DEBUG/AndroidRuntime(4909):關閉VM 03-03 12:35:11.877: INFO/AndroidRuntime(4909):注意:附加線程'Binder Thread#3'失敗 03-03 12:35:11.877:DEBUG/dalvikvm(4909):調試器已分離;對象註冊表有1個條目 03-03 12:35:15.608:DEBUG/SntpClient(61):請求時間失敗:java.net.SocketException:地址系列不受協議支持 03-03 12:40:15.687:DEBUG/SntpClient(61):請求時間失敗:java.net.SocketException:協議不支持地址系列 03-03 12:45:15.735:DEBUG/SntpClient(61):請求時間失敗:java.net.SocketException:地址系列沒有協議支持的
我的控制檯給錯誤:
[2011-03-03 12點35分08秒 - DDMS]空 顯示java.lang.NullPointerException 在com.android.ddmlib.Client.sendAndConsume (Client.java:571) at com.android.ddmlib.HandleHello.sendHELO(HandleHello.java:142) at com.android.ddmlib.HandleHello.sendHelloCommands(HandleHello.java:65) at com.android.ddmlib.Client.getJdwpPacket(Client。 Java的:670) 在com.android.ddmlib.MonitorThread.processClientActivity(MonitorThread.java:317) 在com.android.ddmlib.MonitorThread.run(MonitorThread.java:263)
有什麼錯誤?請提供堆棧跟蹤。 – Mudassir 2011-03-03 05:49:57