android - using of intent for linking activities -

i want link 2 activites clicking on button have written following code

public class ihbcaptureactivity extends activity implements onclicklistener {     /** called when activity first created. */     imageview iv;     textview tx;     button b1;      @override     public void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.main);         iv=(imageview)findviewbyid(r.id.imageview1);         tx=(textview)findviewbyid(r.id.textview1);        b1 = (button) findviewbyid(r.id.button1);        b1.setonclicklistener(this);     }      @override     public void onclick(view v) {          intent calintent;         **calintent = new intent(ihbcaptureactivity.this, loginactivity.class);**         startactivity(calintent);                } } 

error cumes in line

calintent = new intent(ihbcaptureactivity.this, loginactivity.class); 

for loginactivity.class that

loginactivity cannot resolved type . how solve it?

here simple code how can load 1 activity another,

i have created 2 activities this

firstactivity.java

package com.rdc;  import android.app.activity; import android.content.intent; import android.os.bundle; import android.view.view; import android.view.view.onclicklistener; import android.widget.button;  public class firstactivity extends activity implements onclicklistener {     /** called when activity first created. */     @override     public void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.first);          button btnload = (button) findviewbyid(r.id.btn);         btnload.setonclicklistener(this);     }      @override     public void onclick(view v) {         // todo auto-generated method stub         intent = new intent(this, secondactivity.class);         startactivity(i);     } } 

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secondactivity.java

package com.rdc;  import android.app.activity; import android.os.bundle;  public class secondactivity extends activity {     @override     public void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.second);       } } 

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and manifest file is

androidmanifest.xml

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"       package="com.rdc"       android:versioncode="1"       android:versionname="1.0">     <uses-sdk android:minsdkversion="8" />      <application android:icon="@drawable/icon" android:label="@string/app_name">         <activity android:name=".firstactivity"                   android:label="@string/app_name">             <intent-filter>                 <action android:name="android.intent.action.main" />                 <category android:name="android.intent.category.launcher" />             </intent-filter>         </activity>          <activity android:name=".secondactivity"                   android:label="@string/app_name">             <intent-filter>                                 <category android:name="android.intent.category.launcher" />             </intent-filter>         </activity>      </application> </manifest> 

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try implement in app , let me know if still doubt there.