I am getting error when open new activity on button click android studio

Question

i created one android project . i tried to open new activity. but i got error.

my code:

 <Button
    android:text="Button"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerHorizontal="true"
    android:layout_marginTop="141dp"
    android:id="@+id/btn1"
    android:onClick="onClickA" />

public void onClickA()
{
    startActivity(new Intent(this,LoginActivity.class));
}

error

E/AndroidRuntime: FATAL EXCEPTION: main
 Process: com.myapp.i, PID: 1635
 java.lang.IllegalStateException: Could not find method onClickA(View) in a parent or ancestor Context for android:onClick attribute defined on view class android.support.v7.widget.AppCompatButton with id 'btn1'
   at android.support.v7.app.AppCompatViewInflater$DeclaredOnClickListener.resolveMethod(AppCompatViewInflater.java:327)
   at android.support.v7.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:284)
   at android.view.View.performClick(View.java:5609)
   at android.view.View$PerformClick.run(View.java:22259)
   at android.os.Handler.handleCallback(Handler.java:751)
   at android.os.Handler.dispatchMessage(Handler.java:95)
   at android.os.Looper.loop(Looper.java:154)
   at android.app.ActivityThread.main(ActivityThread.java:6077)
   at java.lang.reflect.Method.invoke(Native Method)
   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)

can you help to solve this error. thank you.

It is working after change onClick() to onClickA(View view). thank u @Piyush — Suba Kumaran, Apr 25 '17 at 12:07

score 1 · Accepted Answer · answered Apr 25 '17 at 11:58

1

Change your method code as

public void onClickA(View v)
{
    startActivity(new Intent(this,LoginActivity.class));
}

answered Apr 25 '17 at 11:58

Abdul Kawee

2,666
1
13
26

Thank u @Abdul Kawee – Suba Kumaran Apr 25 '17 at 12:03
Welcome, if my answer helped and solved your problem can you accept? @SubaKumaran – Abdul Kawee Apr 25 '17 at 12:06

score 1 · Answer 2 · answered Apr 25 '17 at 12:00

1

public void onClickA(View view)
{
    startActivity(new Intent(this,LoginActivity.class));
}

answered Apr 25 '17 at 12:00

Srinivas Keerthiprakasam

899
11
28

Thank u @Srinivas Keerthiprakasam – Suba Kumaran Apr 25 '17 at 12:03
Youe Welcome @suba Kumaran – Srinivas Keerthiprakasam Apr 25 '17 at 12:03
Can u accept my answer. it helps for others also in future – Srinivas Keerthiprakasam Apr 25 '17 at 12:04

I am getting error when open new activity on button click android studio

2 Answers2