Help me :  loginButton = (Button)findViewById(R.id.loginButton);
                registerButton = (Button)findViewById(R.id.registerButton);
                //cb = (CheckBox)findViewById(R.id.cbRemember);
                //registerButton.setOnClickListener(this);
                //loginButton.setOnClickListener(this);

                View v=findViewById(R.id.userID);
                uid=(EditText)v;                                         //
note:    problem line i
                //uid = (EditText)findViewById(R.id.userID);
                //pwd = (EditText)findViewById(R.id.passWord);


09-28 08:21:01.750: ERROR/AndroidRuntime(791):
java.lang.RuntimeException: Unable to start activity
ComponentInfo{com.zhuhaiyuanli/com.zhuhaiyuanli.Login}:
java.lang.ClassCastException: android.widget.CheckBox
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2663)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
2679)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
android.app.ActivityThread.access$2300(ActivityThread.java:125)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
android.os.Handler.dispatchMessage(Handler.java:99)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
android.os.Looper.loop(Looper.java:123)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
android.app.ActivityThread.main(ActivityThread.java:4627)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
java.lang.reflect.Method.invokeNative(Native Method)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
java.lang.reflect.Method.invoke(Method.java:521)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
com.android.internal.os.ZygoteInit
$MethodAndArgsCaller.run(ZygoteInit.java:868)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
dalvik.system.NativeStart.main(Native Method)
09-28 08:21:01.750: ERROR/AndroidRuntime(791): Caused by:
java.lang.ClassCastException: android.widget.CheckBox
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
com.zhuhaiyuanli.Login.onCreate(Login.java:66)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:
1047)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2627)
09-28 08:21:01.750: ERROR/AndroidRuntime(791):     ... 11 more

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