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POActivity Intent not launched
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  1. POActivity Intent not launched
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    copied!<p>In my application the main activity is launched but on button click the second activity is not launched via intent.</p> <p>This is my log cat entry</p> <pre><code>08-21 23:29:35.568: D/dalvikvm(680): GC_EXTERNAL_ALLOC freed 47K, 53% free 2544K/5379K, external 716K/1038K, paused 272ms 08-21 23:29:36.319: D/TimesheetMgmt Log(680): --&gt;Main activity launched. 08-21 23:29:53.908: D/TimesheetMgmt Log(680): --&gt;New Task button clicked. 08-21 23:29:54.128: D/AndroidRuntime(680): Shutting down VM 08-21 23:29:54.128: W/dalvikvm(680): threadid=1: thread exiting with uncaught exception (group=0x40015560) 08-21 23:29:54.198: E/AndroidRuntime(680): FATAL EXCEPTION: main 08-21 23:29:54.198: E/AndroidRuntime(680): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.timesheetmgmt/com.timesheetmgmt.NewTaskActivity}: java.lang.NullPointerException 08-21 23:29:54.198: E/AndroidRuntime(680): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1569) 08-21 23:29:54.198: E/AndroidRuntime(680): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663) 08-21 23:29:54.198: E/AndroidRuntime(680): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 08-21 23:29:54.198: E/AndroidRuntime(680): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) 08-21 23:29:54.198: E/AndroidRuntime(680): at android.os.Handler.dispatchMessage(Handler.java:99) 08-21 23:29:54.198: E/AndroidRuntime(680): at android.os.Looper.loop(Looper.java:123) 08-21 23:29:54.198: E/AndroidRuntime(680): at android.app.ActivityThread.main(ActivityThread.java:3683) 08-21 23:29:54.198: E/AndroidRuntime(680): at java.lang.reflect.Method.invokeNative(Native Method) 08-21 23:29:54.198: E/AndroidRuntime(680): at java.lang.reflect.Method.invoke(Method.java:507) 08-21 23:29:54.198: E/AndroidRuntime(680): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 08-21 23:29:54.198: E/AndroidRuntime(680): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 08-21 23:29:54.198: E/AndroidRuntime(680): at dalvik.system.NativeStart.main(Native Method) 08-21 23:29:54.198: E/AndroidRuntime(680): Caused by: java.lang.NullPointerException 08-21 23:29:54.198: E/AndroidRuntime(680): at android.app.Activity.findViewById(Activity.java:1647) 08-21 23:29:54.198: E/AndroidRuntime(680): at com.timesheetmgmt.NewTaskActivity.&lt;init&gt;(NewTaskActivity.java:16) 08-21 23:29:54.198: E/AndroidRuntime(680): at java.lang.Class.newInstanceImpl(Native Method) 08-21 23:29:54.198: E/AndroidRuntime(680): at java.lang.Class.newInstance(Class.java:1409) 08-21 23:29:54.198: E/AndroidRuntime(680): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 08-21 23:29:54.198: E/AndroidRuntime(680): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1561) 08-21 23:29:54.198: E/AndroidRuntime(680): ... 11 more 08-21 23:29:58.879: I/Process(680): Sending signal. PID: 680 SIG: 9 </code></pre> <p>Main Activity code:</p> <pre><code> package com.timesheetmgmt; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class MainActivity extends Activity implements OnClickListener{ private static final String DEBUG_TAG= "TimesheetMgmt Log"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Log.d(DEBUG_TAG, "--&gt;Main activity launched. "); Button btnNewTask=(Button) findViewById(R.id.btnNewTask); btnNewTask.setOnClickListener((OnClickListener) this); } public void onClick(View v) { if(v.getId()==R.id.btnNewTask){ try { Log.d(DEBUG_TAG, "--&gt;New Task button clicked. "); Intent in=new Intent(this,NewTaskActivity.class); in.putExtra("str", "jjalj new task activity"); startActivity(in); } catch (Exception e) { e.printStackTrace(); } } } } </code></pre> <p>in log cat file i can see main activity launched and when i click the new task button the error as mentioned above in log cat and force close button comes on emulator.</p>
 

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