Help Launching app fails at GC_FOR_ALLOC

[Android Question]

Hello, im going make this short and precise;
*I'm running ubuntu 14.04+
*running eclipse while connected to nexus 4 (ANDROID 4.3)
*started programing for android application where i only had the option to program at android level 5.1 (at the start of the program where it asks you to set).
So i launched the program at first and it gave this error

ERROR: Application requires API version 22. Device API version is 18 (Android 4.3)


so i read online and changed things around in my

<uses-sdk
android:minSdkVersion="22"
android:targetSdkVersion="22" />

TO


<uses-sdk
android:minSdkVersion="18"
android:targetSdkVersion="18" />


BUT my app lanuches and crashes right away.
error produced in LOGCAT

GC_FOR_ALLOC freed 495K, 6% free 9168K/9704K, paused 12ms, total 12ms




and thats where the program stops at in the console

ActivityManager: Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=self.name.firstandroidprogram/.MainActivity



lastly here is my code in java

package self.name.firstandroidprogram;

import android.app.Activity;
import android.os.Bundle;
import android.view.MenuItem;
import android.widget.LinearLayout;
import android.widget.TextView;

public class MainActivity extends Activity {

LinearLayout layout1;
TextView label1;


@override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

layout1 = new LinearLayout(this);
label1 = new TextView(this);
layout1.addView(layout1);

setContentView(layout1);
}

}


Thank you.