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POandroid ActivityThread.performLaunchActivity(ActivityThread$ActivityRecord, Intent)
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  1. POandroid ActivityThread.performLaunchActivity(ActivityThread$ActivityRecord, Intent)
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    copied!<p>i designed a simple application in android but when i run it over emulator it shows application stopped...i tried to find solution and came across using breakpoints...but when i put breakpoints and debug the application it shows "source not found" in ddms perspective</p> <pre><code>ActivityThread.performLaunchActivity(ActivityThread$ActivityRecord, Intent). </code></pre> <p>can anybody out here suggest what i do now...</p> <p>this is what my log looks like</p> <pre><code>02-20 04:28:21.232: D/AndroidRuntime(607): Shutting down VM 02-20 04:28:21.232: W/dalvikvm(607): threadid=1: thread exiting with uncaught exception (group=0x4001d800) 02-20 04:28:21.262: E/AndroidRuntime(607): FATAL EXCEPTION: main 02-20 04:28:21.262: E/AndroidRuntime(607): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.apps/com.example.apps.Act}: java.lang.NullPointerException 02-20 04:28:21.262: E/AndroidRuntime(607): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663) 02-20 04:28:21.262: E/AndroidRuntime(607): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) 02-20 04:28:21.262: E/AndroidRuntime(607): at android.app.ActivityThread.access$2300(ActivityThread.java:125) 02-20 04:28:21.262: E/AndroidRuntime(607): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) 02-20 04:28:21.262: E/AndroidRuntime(607): at android.os.Handler.dispatchMessage(Handler.java:99) 02-20 04:28:21.262: E/AndroidRuntime(607): at android.os.Looper.loop(Looper.java:123) 02-20 04:28:21.262: E/AndroidRuntime(607): at android.app.ActivityThread.main(ActivityThread.java:4627) 02-20 04:28:21.262: E/AndroidRuntime(607): at java.lang.reflect.Method.invokeNative(Native Method) 02-20 04:28:21.262: E/AndroidRuntime(607): at java.lang.reflect.Method.invoke(Method.java:521) 02-20 04:28:21.262: E/AndroidRuntime(607): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 02-20 04:28:21.262: E/AndroidRuntime(607): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 02-20 04:28:21.262: E/AndroidRuntime(607): at dalvik.system.NativeStart.main(Native Method) 02-20 04:28:21.262: E/AndroidRuntime(607): Caused by: java.lang.NullPointerException 02-20 04:28:21.262: E/AndroidRuntime(607): at com.example.apps.Act.onCreate(Act.java:16) 02-20 04:28:21.262: E/AndroidRuntime(607): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 02-20 04:28:21.262: E/AndroidRuntime(607): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627) 02-20 04:28:21.262: E/AndroidRuntime(607): ... 11 more 02-20 04:28:31.283: I/Process(607): Sending signal. PID: 607 SIG: 9 </code></pre> <p>Activity class</p> <pre><code>package com.example.apps; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; public class Act extends Activity { Rest r=new Rest(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Button save=(Button)findViewById(R.id.save); save.setOnClickListener(onSave); } private View.OnClickListener onSave=new View.OnClickListener() { public void onClick(View v) { EditText name=(EditText)findViewById(R.id.name); EditText address=(EditText)findViewById(R.id.addr); r.setName(name.getText().toString()); r.setAddress(address.getText().toString()); } }; } </code></pre>
 

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