#4 #146 第四次作业

AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903235/Net1414080903235_NewView.java

@@ -0,0 +1,245 @@
+/**
+ * Created by Administrator on 2017/6/10.
+ */
+
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.MotionEvent;
+import android.view.View;
+import android.widget.TextView;
+
+import edu.hzuapps.androidlabs.homeworks.net1414080903235.Net1414080903235Activity;
+
+
+public class Net1414080903235_NewView extends View{
+    // 单元格的宽度和高度
+    private float width;
+    private float height;
+
+    private int checkPoint = 1; // 当前关卡
+
+    //private Number number = new Number();
+    private Net1414080903235_Number net1414080903235_number = new Net1414080903235_Number() {
+        @Override
+        public int intValue() {
+            return 0;
+        }
+
+        @Override
+        public long longValue() {
+            return 0;
+        }
+
+        @Override
+        public float floatValue() {
+            return 0;
+        }
+
+        @Override
+        public double doubleValue() {
+            return 0;
+        }
+    };
+
+
+    public Net1414080903235_NewView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public Net1414080903235_NewView(Net1414080903235Activity mainActivity) {
+        super(mainActivity);
+    }
+
+    @Override
+    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        this.width = w / 9f;
+        this.height = h / 10f;
+        super.onSizeChanged(w, h, oldw, oldh);
+    }
+
+    // 当Android系统需要绘制一个View对象时，就会调用该对象的onDraw
+    @Override
+    protected void onDraw(Canvas canvas) {
+        // 画背景
+        Paint backgroundPaint = new Paint();
+        backgroundPaint.setColor(getResources().getColor(R.color.colorBackground));
+        canvas.drawRect(0,0,getWidth(),getHeight(),backgroundPaint);
+
+        Paint darkPaint = new Paint();
+        darkPaint.setColor(getResources().getColor(R.color.colorDark));
+
+        Paint hilitePaint = new Paint();
+        hilitePaint.setColor(getResources().getColor(R.color.colorHilite));
+
+        Paint lightPaint = new Paint();
+        lightPaint.setColor(getResources().getColor(R.color.colorlight));
+
+        // 绘制9X9的网络格
+        // 两条距离为1的直线，视觉上会有割裂的效果
+        for (int i = 0; i < 9; i++) {
+            canvas.drawLine(0, i*height, getWidth(), i*height, lightPaint);
+            canvas.drawLine(0, i*height+1, getWidth(), i*height+1, hilitePaint);
+            canvas.drawLine(i*width, 0, i*width, getHeight(), lightPaint);
+            canvas.drawLine(i*width+1, 0, i*width+1, getHeight(), hilitePaint);
+        }
+
+        // 绘制3X3的网络格
+        for (int i = 0; i < 10; i++) {
+            if (i % 3 != 0) {
+                continue;
+            }
+            canvas.drawLine(0, i*height, getWidth(), i*height, darkPaint);
+            canvas.drawLine(0, i*height+1, getWidth(), i*height+1, hilitePaint);
+            canvas.drawLine(i*width, 0, i*width, getHeight(), darkPaint);
+            //canvas.drawLine(i*width+1, 0, i*width+1, getHeight(), hilitePaint);
+            canvas.drawLine(i*width, 1, i*width, getHeight(), hilitePaint);
+        }
+        /*这里是刚开始画的，固定了格子大小
+        public class Draw {
+    private float height=50;
+    private float width=50;
+    private float Height=450;
+    private float Width=450;
+
+    protected void OnDraw(Canvas canvas){
+        Paint lightPaint= new Paint();
+        lightPaint.setColor(getResources().getColor(R.color.lightPaint));
+        Paint darkPaint=new Paint();
+        darkPaint.setColor(getResources().getColor(R.color.darkPaint));
+        for (int i = 0; i < 9; i++) {
+           canvas.drawLine(i*width,0,i*width,Height,lightPaint);
+            canvas.drawLine(0,i*height,Width,i*height,lightPaint);
+        }
+        for(int i=0;i<10;i++){
+            if(i%3!=0){
+                canvas.drawLine(i*width,0,i*width,Height,darkPaint);
+                canvas.drawLine(0,i*height,Width,i*height,darkPaint);
+            }
+        }
+
+    }
+
+        * */
+
+        // 绘制数字
+        Paint numberPaint = new Paint();
+        numberPaint.setColor(Color.BLACK);
+        numberPaint.setStyle(Paint.Style.STROKE);
+        numberPaint.setTextSize(height*0.75f);
+        numberPaint.setTextAlign(Paint.Align.CENTER);
+        numberPaint.setAntiAlias(true); // 抗锯齿
+
+        /**
+         * 数字居中位置
+         * x轴居中比较容易计算
+         * y轴居中的计算，依赖于FontMetrics，大家很容易百度到相关的知识
+         */
+        Paint.FontMetrics fm = numberPaint.getFontMetrics();
+        float x = width / 2;
+        float y = height / 2 - (fm.ascent + fm.descent) / 2;
+
+//        canvas.drawText("1", 0 * width + x, 0 * height + y, numberPaint);
+//        canvas.drawText("2", 1 * width + x, 1 * height + y, numberPaint);
+//        canvas.drawText("3", 2 * width + x, 2 * height + y, numberPaint);
+//        canvas.drawText("4", 3 * width + x, 3 * height + y, numberPaint);
+//        canvas.drawText("5", 4 * width + x, 4 * height + y, numberPaint);
+
+        /**
+         * 根据Number类中的数组，绘制数字
+         */
+        for (int i = 0; i < 9; i++) {
+            for (int j = 0; j < 9; j++) {
+                canvas.drawText(net1414080903235_number.getTileString(i,j), i*width+x, j*height+y, numberPaint);
+            }
+        }
+
+        /**
+         * 绘制一个刷新文字
+         */
+        canvas.drawText("刷新",4*width+x,9*height+y,numberPaint);
+
+        /**
+         * 绘制关卡文字
+         */
+        Paint strPaint = new Paint();
+        strPaint.setTextSize(height*0.5f);
+        strPaint.setAntiAlias(true); // 抗锯齿
+        canvas.drawText("第" + checkPoint + "关",6*width+x,9*height+y,strPaint);
+
+        super.onDraw(canvas);
+    }
+
+    /**
+     * 获取按下的数字
+     */
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        super.onTouchEvent(event);
+        if (event.getAction() == MotionEvent.ACTION_DOWN){
+            int selectedX = (int)(event.getX() / width);
+            int selectedY = (int)(event.getY() / height);
+
+            StringBuffer sb = new StringBuffer();
+
+            if (selectedY < 9){
+                int used[] = net1414080903235_number.getUsedTilesByCoor(selectedX,selectedY);
+                for (int i = 0; i < used.length; i++) {
+                    sb.append(used[i]);
+                }
+                LayoutInflater layoutInflater = LayoutInflater.from(this.getContext());
+                View layoutView = layoutInflater.inflate(R.layout.dialog,null);
+                TextView textView = (TextView) layoutView.findViewById(R.id.usedTextId);
+                textView.setText("该位置不可用数字 = " + sb.toString());
+                AlertDialog.Builder builder = new AlertDialog.Builder(this.getContext());
+                builder.setView(layoutView);
+                AlertDialog dialog = builder.create();
+                dialog.show();
+            }
+
+            //Toast.makeText(getContext(), "ACTION_DOWN = " + used, Toast.LENGTH_SHORT).show();
+            if (selectedY == 9){
+                if (selectedX>=3 && selectedX<=5){
+                    //Toast.makeText(getContext(), "ACTION_DOWN = 刷新",Toast.LENGTH_SHORT).show();
+                    if (checkPoint == 1){
+                        checkPoint = 2;
+                    } else if (checkPoint == 2){
+                        checkPoint = 1;
+                    }
+                    //Toast.makeText(getContext(), "checkPoint = " + checkPoint, Toast.LENGTH_SHORT).show();
+                    net1414080903235_number = new Net1414080903235_Number() {
+                        @Override
+                        public int intValue() {
+                            return 0;
+                        }
+
+                        @Override
+                        public long longValue() {
+                            return 0;
+                        }
+
+                        @Override
+                        public float floatValue() {
+                            return 0;
+                        }
+
+                        @Override
+                        public double doubleValue() {
+                            return 0;
+                        }
+                    };
+                    invalidate(); // onDraw()
+                }
+            }
+
+        }
+        return true;
+    }
+
+
+}