why my unable to start my manactivity
package cse.svu;
/**
* Created by DELL on 11/11/2014.
*/
import android.os.Bundle;
import android.os.Handler;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.Window;
import java.util.Timer;
import java.util.TimerTask;
public class splashscreen extends Activity {
long delay=8000;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Remove the Title Bar
requestWindowFeature(Window.FEATURE_NO_TITLE);
// Get the view from splash_screen.xml
setContentView(R.layout.splash_screen);
// Create a Timer
Timer RunSplash = new Timer();
// Task to do when the timer ends
TimerTask ShowSplash = new TimerTask() {
@Override
public void run() {
// Close SplashScreenActivity.class
finish();
// Start MainActivity.class
Intent myIntent = new Intent(splashscreen.this,MainActivity.class);
startActivity(myIntent);
}
};
// Start the timer
RunSplash.schedule(ShowSplash, delay);
}
//METHOD 2
/*
new Handler().postDelayed(new Runnable() {
// Using handler with postDelayed called runnable run method
@Override
public void run() {
Intent i = new Intent(MainSplashScreen.this, FirstScreen.class);
startActivity(i);
// close this activity
finish();
}
}, 5*1000); // wait for 5 seconds
}*/
}package cse.svu;
import android.content.Intent;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
public class MainActivity extends ActionBarActivity implements View.OnClickListener{
Button con,about_svu,academic,admin,campus,research;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
con=(Button)findViewById(R.id.contact);
about_svu=(Button)findViewById(R.id.about);
academic=(Button)findViewById(R.id.academic);
admin=(Button)findViewById(R.id.admin);
campus=(Button)findViewById(R.id.campus);
research=(Button)findViewById(R.id.research);
con.setOnClickListener(this);
about_svu.setOnClickListener(this);
academic.setOnClickListener(this);
admin.setOnClickListener(this);
campus.setOnClickListener(this);
research.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch(v.getId()){
case R.id.contact:
Intent intent=new Intent(MainActivity.this,contact.class);
startActivity(intent);
break;
case R.id.about:
Intent intent1=new Intent(MainActivity.this,about_svu.class);
startActivity(intent1);
break;
case R.id.academic:
Intent intent2=new Intent(MainActivity.this,academic_excellence.class);
startActivity(intent2);
break;
case R.id.admin:
Intent intent3=new Intent(MainActivity.this,adminstration.class);
startActivity(intent3);
break;
case R.id.campus:
Intent intent4=new Intent(MainActivity.this,campus_facilities.class);
startActivity(intent4);
break;
case R.id.research:
Intent intent5=new Intent(MainActivity.this,researchandpublication.class);
startActivity(intent5);
break;
}
};
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}errors are coming in the program are java.lang.RuntimeException: Unable to start activity ComponentInfo{cse.svu/cse.svu.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity. at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059)
