Android图案解锁code

Main_Acitivity.javapackage com.example.lackpatternview;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.widget.RelativeLayout;public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); RelativeLayout relativelayout = new RelativeLayout(this); lackparrternview lackparrtern=new lackparrternview(this); relativelayout.setBackgroundColor(TRIM_MEMORY_BACKGROUND); relativelayout.addView(lackparrtern); setContentView(relativelayout);/*实例化*/ } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; }}Lackparrternview.javapackage com.example.lackpatternview;import java.util.ArrayList;import java.util.List;import android.annotation.SuppressLint;import android.content.Context;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Matrix;import android.graphics.Paint;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.View; public class lackparrternview extends View{/** * 图案解锁 * *///选中点的数量private static final int POINT_SIZE=5;//矩阵private Matrix matrix=new Matrix(); //画笔Paint paint =new Paint(Paint.ANTI_ALIAS_FLAG);//9个点private Point[][] points=new Point[3][3];private float height,width,offsetX = 0,offsetY=0,bitmapR,movingX,movingY;private Bitmap pointnormal,pointpressed,pointerror,linepressed,lineerror; private boolean isInit,isSelect,isFinish,movingNopoint;//点的集合private List Pointlist=new ArrayList();public lackparrternview(Context context) {super(context);// TODO 自动生成的构造函数存根}//构造函数public lackparrternview(Context context, AttributeSet attrs) {super(context, attrs);// TODO 自动生成的构造函数存根}//构造函数public lackparrternview(Context c