Use MeasureSpec.getWidth instead of default display in lock pattern widget.

import com.android.internal.R;

import android.content.Context;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Matrix;

import android.graphics.Paint;

import android.graphics.Path;

import android.graphics.Rect;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.os.Debug;

import android.os.Parcel;

import android.os.Parcelable;

import android.os.SystemClock;

import android.os.Debug;

import android.os.Vibrator;

import android.util.AttributeSet;

import android.view.MotionEvent;

import android.view.View;

import android.view.WindowManager;

import java.util.ArrayList;

import java.util.List;

    @Override

    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

        final WindowManager wm = (WindowManager) getContext()

                .getSystemService(Context.WINDOW_SERVICE);

        final int width = wm.getDefaultDisplay().getWidth();

        final int height = wm.getDefaultDisplay().getHeight();

        int squareSide = Math.min(width, height);

        // if in landscape...

        if (width > height) {

            squareSide -= STATUS_BAR_HEIGHT;

        }

        final int width = MeasureSpec.getSize(widthMeasureSpec);

        final int height = MeasureSpec.getSize(heightMeasureSpec);

        final int squareSide = Math.min(width, height);

        setMeasuredDimension(squareSide, squareSide);

    }