无法解析意图中的构造函数

Question

>我正在尝试编辑此游戏代码并在//Show Result中调用第二个活动，以便在游戏结束时转到另一个屏幕。 出现错误"无法解析构造器"。 在此处输入图像描述

我认为问题出在意图上，但我不确定我可以把它放在哪里。 你可以帮我吗？ 谢谢

这是游戏视图代码

import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.content.Intent;

public class GameView extends View {
// Canvas
private int canvasWidth;
private int canvasHeight;
// J
//private Bitmap j;
private Bitmap j[] = new Bitmap[2];
private int jX = 10;
private int jY;
private int jSpeed;
// Blue Ball
private int blueX;
private int blueY;
private int blueSpeed = 15;
private Paint bluePaint = new Paint();
// Black Ball
private int blackX;
private int blackY;
private int blackSpeed = 20;
private Paint blackPaint = new Paint();
// Background
private Bitmap bgImage;


// Score
private Paint scorePaint = new Paint();
private int score;
// Level
private Paint levelPaint = new Paint();
// Life
private Bitmap life[] = new Bitmap[2];
private int life_count;
// Status Check
private boolean touch_flg = false;

public GameView(Context context) {
super(context);
j[0] = BitmapFactory.decodeResource(getResources(), R.drawable.jun1);
j[1] = BitmapFactory.decodeResource(getResources(), R.drawable.jun2);
bgImage = BitmapFactory.decodeResource(getResources(), R.drawable.bg);
bluePaint.setColor(Color.BLUE);
bluePaint.setAntiAlias(false);
blackPaint.setColor(Color.BLACK);
blackPaint.setAntiAlias(false);
scorePaint.setColor(Color.BLACK);
scorePaint.setTextSize(32);
scorePaint.setTypeface(Typeface.DEFAULT_BOLD);
scorePaint.setAntiAlias(true);
levelPaint.setColor(Color.DKGRAY);
levelPaint.setTextSize(32);
levelPaint.setTypeface(Typeface.DEFAULT_BOLD);
levelPaint.setTextAlign(Paint.Align.CENTER);
levelPaint.setAntiAlias(true);
life[0] = BitmapFactory.decodeResource(getResources(), R.drawable.heart);
life[1] = BitmapFactory.decodeResource(getResources(), R.drawable.heart_g);
// First position.
jY = 500;
score = 0;
life_count = 3;
}
@Override
protected void onDraw(Canvas canvas) {
canvasWidth = canvas.getWidth();
canvasHeight = canvas.getHeight();
canvas.drawBitmap(bgImage, 0, 0, null);
// Bird
int minBirdY = j[0].getHeight();
int maxBirdY = canvasHeight - j[0].getHeight() * 3;
jY += jSpeed;
if (jY < minBirdY) jY = minBirdY;
if (jY > maxBirdY) jY = maxBirdY;
jSpeed += 2;
if (touch_flg) {
// Flap wings.
canvas.drawBitmap(j[1], jX, jY, null);
touch_flg = false;
} else {
canvas.drawBitmap(j[0], jX, jY, null);
}

// Blue
blueX -= blueSpeed;
if (hitCheck(blueX, blueY)) {
score += 10;
blueX = -100;
}
if (blueX < 0) {
blueX = canvasWidth + 20;
blueY = (int) Math.floor(Math.random() * (maxBirdY - minBirdY)) + minBirdY;
}
canvas.drawCircle(blueX, blueY, 10, bluePaint);

// Black
blackX -= blackSpeed;
if (hitCheck(blackX, blackY)) {
blackX = -100;
life_count--;
if (life_count == 0) {
// Show Result
Intent i = new Intent(this, result.class);
i.putExtra("SCORE", score);
}
}
if (blackX < 0) {
blackX = canvasWidth + 200;
blackY = (int) Math.floor(Math.random() * (maxBirdY - minBirdY)) + minBirdY;
}
canvas.drawCircle(blackX, blackY, 20, blackPaint);

// Score
canvas.drawText("Score : " + score, 20, 60, scorePaint);
// Level
canvas.drawText("Lv.1", canvasWidth / 2, 60, levelPaint);
// Life
for (int i = 0; i < 3; i++) {
int x = (int) (560 + life[0].getWidth() * 1.5 * i);
int y = 30;
if (i < life_count) {
canvas.drawBitmap(life[0], x, y, null);
} else {
canvas.drawBitmap(life[1], x, y, null);
}
}
}
public boolean hitCheck(int x, int y) {
if (jX < x && x < (jX + j[0].getWidth()) &&
jY < y && y < (jY + j[0].getHeight())) {
return true;
}
return false;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
touch_flg = true;
jSpeed = -20;
}
return true;
}
}

Answer 1

View 不会扩展 Context 类，Intent 的构造函数需要它来完成您正在执行的操作。

用

Intent i = new Intent(getContext(), result.class);

在您的视图类中。