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POUnable to create link to other activity?
 

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  1. POUnable to create link to other activity?
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    <p>i am new to android i am unable to create link from my current list view to other activities: This is my code:</p> <pre><code> public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.list_advanced_main); ListView lv1 = (ListView)findViewById(android.R.id.list); ArrayList&lt;HashMap&lt;String,Object&gt;&gt; mylist = new ArrayList&lt;HashMap&lt;String,Object&gt;&gt;(); HashMap&lt;String, Object&gt; map = new HashMap&lt;String, Object&gt;(); 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&lt;String,Object&gt;(); 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&lt;String,Object&gt;(); 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&lt;String,Object&gt;(); 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&lt;?&gt; 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; } } }); } </code></pre> <p>My log cat is::</p> <p>03-03 12:35:05.093: DEBUG/AndroidRuntime(4899): >>>>>>>>>>>>>> AndroidRuntime START &lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt; 03-03 12:35:05.093: DEBUG/AndroidRuntime(4899): CheckJNI is ON 03-03 12:35:05.632: DEBUG/AndroidRuntime(4899): --- registering native functions --- 03-03 12:35:07.531: DEBUG/AndroidRuntime(4899): Shutting down VM 03-03 12:35:07.563: DEBUG/dalvikvm(4899): Debugger has detached; object registry had 1 entries 03-03 12:35:07.563: INFO/AndroidRuntime(4899): NOTE: attach of thread 'Binder Thread #3' failed 03-03 12:35:08.950: DEBUG/AndroidRuntime(4909): >>>>>>>>>>>>>> AndroidRuntime START &lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt; 03-03 12:35:08.950: DEBUG/AndroidRuntime(4909): CheckJNI is ON 03-03 12:35:09.585: DEBUG/AndroidRuntime(4909): --- registering native functions --- 03-03 12:35:11.784: INFO/ActivityManager(61): Starting activity: 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): Shutting down VM 03-03 12:35:11.877: INFO/AndroidRuntime(4909): NOTE: attach of thread 'Binder Thread #3' failed 03-03 12:35:11.877: DEBUG/dalvikvm(4909): Debugger has detached; object registry had 1 entries 03-03 12:35:15.608: DEBUG/SntpClient(61): request time failed: java.net.SocketException: Address family not supported by protocol 03-03 12:40:15.687: DEBUG/SntpClient(61): request time failed: java.net.SocketException: Address family not supported by protocol 03-03 12:45:15.735: DEBUG/SntpClient(61): request time failed: java.net.SocketException: Address family not supported by protocol</p> <p>My console is giving error:</p> <p>[2011-03-03 12:35:08 - ddms]null java.lang.NullPointerException at 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:670) at com.android.ddmlib.MonitorThread.processClientActivity(MonitorThread.java:317) at com.android.ddmlib.MonitorThread.run(MonitorThread.java:263)</p>
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      1. POUnable to create link to other activity?
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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