Open another activity in Android with a button

Question

I must be doing something wrong. I have this code in the first activity:

package com.Trenton.waziapp; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; public class WaziLoginScreen extends Activity implements OnClickListener{ EditText etUsername, etPassword; Button bLogin; Class ourClass; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.wazi_login_screen); etUsername = (EditText) findViewById(R.id.etUsername); etPassword = (EditText) findViewById(R.id.etPassword); bLogin = (Button) findViewById(R.id.bLogin); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.wazi_login_screen, menu); return true; } @Override public void onClick(View v) { // TODO Auto-generated method stub switch(v.getId()){ case R.id.bLogin: Intent a = new Intent(WaziLoginScreen.this, ProfileScreen.class); startActivity(a); break; } }

} What am I doing wrong here above to get the other Activity, ProfileScreen to open?

My manifest file contains activity entry like this-

 <activity android:name=".ProfileScreen" android:label="@string/title_activity_profile_screen"> </activity>

and... what happens? Is there an error message? Does the application crash? Did you try debugging? Did you try putting some log statements in to see what is getting called? — Matt Wolfe
– Matt Wolfe, Commented Feb 11, 2013 at 18:23

Pragnani Kinnera · Accepted Answer · 2013-02-11 18:34:49Z

4

You have forgot to set onclickListener... try this

yourButtonObject.setOnClickListener(this);

answered Feb 11, 2013 at 18:34

Pragnani Kinnera

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1 Comment

Pragnani Kinnera Over a year ago

@user2046848 I haven't beg for Accept...That's why I have kept "if" condition...he said thanks that will be enough for me....

Shridutt Kothari · Accepted Answer · 2013-02-11 18:30:59Z

3

write following code in your OnCreate method inside your WaziLoginScreen class-

yourButtonObject.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Intent a = new Intent(WaziLoginScreen.this, ProfileScreen.class); startActivity(a); } });

thats it.

answered Feb 11, 2013 at 18:30

Shridutt Kothari

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4 Comments

DDukesterman Over a year ago

I cant have it implement OnClickListener and use what i did above?

Shridutt Kothari Over a year ago

yes you can but than just add the line at the last in your oncreate metnod: bLogin.setOnClickListener(this); THat will also do the work. enjoy friend no tension.

Shridutt Kothari Over a year ago

@DDukesterman pls upvote as i helped. and mark answer as helpful

Pragnani Kinnera Over a year ago

@shriduttkothari remove one post

Shridutt Kothari · Accepted Answer · 2013-02-11 18:49:26Z

Use this following code.

package com.Trenton.waziapp; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; public class WaziLoginScreen extends Activity { EditText etUsername, etPassword; Button bLogin; Class ourClass; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.wazi_login_screen); etUsername = (EditText) findViewById(R.id.etUsername); etPassword = (EditText) findViewById(R.id.etPassword); bLogin = (Button) findViewById(R.id.bLogin); bLogin.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Intent a = new Intent(WaziLoginScreen.this, ProfileScreen.class); startActivity(a); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.wazi_login_screen, menu); return true; } }

Thats it..enjoy friend.

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