unfortunately First App has stopped android-

unfortunately First App has stopped android-

i'm new in android and this is my first application i don't know why it
stoped ?? i use Nexus 4 emulator i think the problem in onClick but don't
know why when i delete in no problem accure
activity_main.xml
<LinearLayout 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:orientation="horizontal"
>
<EditText
android:id="@+id/edit_message"
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:hint="@string/edit_message" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/button_send"
android:onClick="SendMessage"
/>
</LinearLayout>
MainActivity.java
package com.newthinktank.myfirstapp;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.widget.EditText;
public class MainActivity extends Activity {
public final static String EXTRA_MESSAGE
="com.newthanktank.myfirstapp.MESSAGE";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public void sendMessage(View view){
Intent intent = new Intent(this, DisplayMessageActivity.class);
EditText editText = (EditText) findViewById(R.id.edit_message);
String message = editText.getText().toString();
intent.putExtra(EXTRA_MESSAGE, message);
startActivity(intent);
}
}
LogCat:
09-28 10:52:31.686: E/AndroidRuntime(1584): FATAL EXCEPTION: main
09-28 10:52:31.686: E/AndroidRuntime(1584):
java.lang.IllegalStateException: Could not find a method SendMessage(View)
in the activity class com.newthinktank.myfirstapp.MainActivity for onClick
handler on view class android.widget.Button
09-28 10:52:31.686: E/AndroidRuntime(1584): at
android.view.View$1.onClick(View.java:3578)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
android.view.View.performClick(View.java:4084)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
android.view.View$PerformClick.run(View.java:16966)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
android.os.Handler.handleCallback(Handler.java:615)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
android.os.Handler.dispatchMessage(Handler.java:92)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
android.os.Looper.loop(Looper.java:137)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
android.app.ActivityThread.main(ActivityThread.java:4745)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
java.lang.reflect.Method.invokeNative(Native Method)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
java.lang.reflect.Method.invoke(Method.java:511)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
dalvik.system.NativeStart.main(Native Method)
09-28 10:52:31.686: E/AndroidRuntime(1584): Caused by:
java.lang.NoSuchMethodException: SendMessage [class android.view.View]
09-28 10:52:31.686: E/AndroidRuntime(1584): at
java.lang.Class.getConstructorOrMethod(Class.java:460)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
java.lang.Class.getMethod(Class.java:915)
09-28 10:52:31.686: E/AndroidRuntime(1584): at
android.view.View$1.onClick(View.java:3571)
09-28 10:52:31.686: E/AndroidRuntime(1584): ... 11 more