android - Next to 1st page works, 2nd page doesn't -


because 1st page , 2nd page onclick have same thing going on , tried copy , paste, doesn't work. whenever 2nd page onclick next page, crashes. should do?

1st page - hira1_1 > hira1_2 > hira1_3 working well

package com.linguido;  import android.content.intent; import android.support.v7.app.appcompatactivity; import android.os.bundle; import android.view.view;  public class bc_hira1_1 extends appcompatactivity {      @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_bc_hira1_1);     }      public void tohira1_2(view view) {         intent intent = new intent(this, bc_hira1_2.class);         startactivity(intent);      } } 
package com.linguido;  import android.content.intent; import android.support.v7.app.appcompatactivity; import android.os.bundle; import android.view.view;  public class bc_hira1_2 extends appcompatactivity {      @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_bc_hira1_2);     }      public void tohira1_3(view view) {         intent intent = new intent(this, bc_hira1_3.class);         startactivity(intent);     }  }

2nd page - hira2_1 > hira2_2 > hira2_3 crashes @ hira2_1 > hira2_2

package com.linguido;  import android.content.intent; import android.os.bundle; import android.support.v7.app.appcompatactivity; import android.view.view;  public class bc_hira2_1 extends appcompatactivity {      @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_bc_hira2_1);     }      public void tohira2_2(view view) {         intent intent = new intent(this, bc_hira2_2.class);         startactivity(intent);      } } 
package com.linguido;  import android.content.intent; import android.support.v7.app.appcompatactivity; import android.os.bundle; import android.view.view;  public class bc_hira2_2 extends appcompatactivity {      @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_bc_hira2_2);     }      public void tohira2_3(view view) {         intent intent = new intent(this, bc_hira2_3.class);         startactivity(intent);     }  }


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