不幸的是我的应用已停止工作

这是我的登录活动类，我想在登录后登录并显示地图，但是当我运行该应用程序时，它显示不幸的是停止了登录

loginActivity.java

package com.ivb.login;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class LoginActivity extends Activity{
     EditText edtemail,edtPassword;
        Button btnLogin;
        String strUsername,strPassword;

      @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            requestWindowFeature(Window.FEATURE_NO_TITLE);
            setContentView(R.layout.login);
            edtemail = (EditText)this.findViewById(R.id.edt_email);
            edtPassword = (EditText)this.findViewById(R.id.edt_passwrd);
            btnLogin = (Button)this.findViewById(R.id.btnLogin);
            btnLogin.setOnClickListener(new OnClickListener() {

                @Override
                public void onClick(View v) {
                    // TODO Auto-generated method stub
                    strUsername = edtemail.getText().toString().trim();
                    strPassword = edtPassword.getText().toString().trim();
                    if(strUsername.equals("[email protected]") && strPassword.equals("needin123"))
                        startActivity(new Intent(LoginActivity.this,LoginSuccess.class).putExtra("usr",(CharSequence)strUsername));
                     else 
                        Toast.makeText(LoginActivity.this,"Invalid UserName or Password", Toast.LENGTH_LONG).show();

                }
            });

            TextView registerScreen = (TextView) findViewById(R.id.link_to_register);

            // Listening to register new account link
            registerScreen.setOnClickListener(new View.OnClickListener() {

                public void onClick(View v) {
                    // Switching to Register screen

                    Intent i = new Intent(getApplicationContext(), RegisterActivity.class);
                    startActivity(i);
                }
            });
        }

}

loginsuccess.java

package com.ivb.login;

import javax.security.auth.PrivateCredentialPermission;

import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Window;
import android.widget.TextView;
import android.widget.Toast;

public class LoginSuccess extends Activity {

    private GoogleMap googleMap;
    @Override
    public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState); 
            requestWindowFeature(Window.FEATURE_NO_TITLE);
            setContentView(R.layout.second);


            try {
                // Loading map
                initilizeMap();

            } catch (Exception e) {
                e.printStackTrace();
            }

            Intent in = getIntent();
            if (in.getCharSequenceExtra("usr") != null) {
                final TextView setmsg = (TextView)findViewById(R.id.showmsg);
                setmsg.setText("Welcome \n "+in.getCharSequenceExtra("usr"));               
            }

            }

    private void initilizeMap() {
        if (googleMap == null) {
            googleMap =((MapFragment) getFragmentManager().findFragmentById(R.id.map)).getMap();

            // check if map is created successfully or not
            if (googleMap == null) {
                Toast.makeText(getApplicationContext(),
                        "Sorry! unable to create maps", Toast.LENGTH_SHORT)
                        .show();
            }
        }
    }

    @Override
    protected void onResume() {
        super.onResume();
        initilizeMap();
    }
}

manifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.ivb.login"
    android:versionCode="1"
    android:versionName="1.0" >
    <permission 
        android:name="com.ivb.login.permission.MAPS_RECEIVE"
        android:protectionLevel="signature"></permission>
    <uses-permission android:name="com.ivb.login.permission.MAPS_RECEIVE"/>
    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="18" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
    <uses-feature 
        android:glEsVersion="0x00020000"
        android:required="true"/>
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.ivb.login.LoginActivity"
            android:label="@string/app_name" 
            android:screenOrientation="sensor">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
          <activity android:name="com.ivb.login.RegisterActivity"
                  android:label="Register New Account"></activity>
          <activity android:name="com.ivb.login.LoginSuccess"></activity>
           <meta-data
            android:name="com.google.android.maps.v2.API_KEY"
            android:value="AIzaSyC-2jAJ7MEkho_gJv7KLeb-tHrU2zHDUQU" />
           <uses-library android:name="com.google.android.maps"/>
    </application>
</manifest>

second.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".LoginSuccess" >
<LinearLayout android:id="@+id/header"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:background="@layout/header_gradient"
                android:paddingTop="5dip"
                android:paddingBottom="5dip" >
                <ImageView android:src="@drawable/logo"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_marginLeft="10dip"/>
</LinearLayout>
    <TextView
        android:id="@+id/showmsg"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:gravity="center"
        android:text="Welcome"
        android:textSize="20dip" >

        <fragment
            android:id="@+id/map"
            android:name="com.google.android.gms.maps.MapFragment"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />
    </TextView>

</RelativeLayout>

login.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fillViewport="true"
    android:orientation="vertical" >

    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:background="#ffffff" >

        <LinearLayout
            android:id="@+id/header"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:background="@layout/header_gradient" >
        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@id/header"
            android:orientation="vertical"
            android:padding="10dip" >

            <ImageView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginLeft="10dip"
                android:src="@drawable/logo1" />

            <TextView
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:text="Email"
                android:textColor="#372c24" />

            <EditText
                android:id="@+id/edt_email"
                android:layout_width="209dp"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:layout_marginBottom="20dip"
                android:layout_marginTop="5dip"
                android:ems="10"
                android:hint="Enter Email Address"
                android:inputType="textEmailAddress"
                android:singleLine="true"
                android:typeface="normal" >

                <requestFocus />
            </EditText>

            <TextView
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:text="Password"
                android:textColor="#372c24" />

            <EditText
                android:id="@+id/edt_passwrd"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:layout_marginTop="5dip"
                android:ems="10"
                android:hint="Enter password"
                android:inputType="textPassword"
                android:password="true"
                android:singleLine="true"
                android:typeface="normal" />

            <Button
                android:id="@+id/btnLogin"
                android:layout_width="133dp"
                android:layout_height="32dp"
                android:layout_gravity="center"
                android:layout_marginTop="10dip"
                android:background="#acd28a"
                android:clickable="true"
                android:gravity="center"
                android:paddingLeft="15dip"
                android:text="Login" />

            <TextView
                android:id="@+id/link_to_register"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="40dip"
                android:layout_marginTop="40dip"
                android:gravity="center"
                android:text="Need an account?sign up"
                android:textColor="#0b84aa"
                android:textSize="20dip" />
        </LinearLayout>
    </RelativeLayout>

</ScrollView>