質問編集履歴
3
MyViewの記述について変更しました。
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test
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**[追記]
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今目指したいDesign画面は次のようになります。**
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@@ -76,177 +74,7 @@
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```
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MyView
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```java
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.util.AttributeSet;
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import android.view.MotionEvent;
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import android.view.View;
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import java.util.ArrayList;
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public class MyView extends View{
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private ArrayList array_x,array_y,array_status;
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public MyView(Context context){
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super(context);
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array_x = new ArrayList();
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array_y = new ArrayList();
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array_status = new ArrayList();
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}
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public MyView(Context context, AttributeSet attrs){
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super(context, attrs);
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array_x = new ArrayList();
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array_y = new ArrayList();
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array_status = new ArrayList();
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}
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@Override
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protected void onDraw(Canvas canvas){
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super.onDraw(canvas);
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Paint paint = new Paint();
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paint.setColor(Color.WHITE);
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paint.setStyle(Paint.Style.FILL);
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canvas.drawRect(0,0,canvas.getWidth(),canvas.getHeight(),paint);
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paint = new Paint();
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paint.setColor(Color.RED);
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for(int i=0; i<array_status.size();i++){
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boolean status = (boolean)array_status.get(i);
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if(status){
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int x1 = (int)array_x.get(i-1);
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int y1 = (int)array_y.get(i-1);
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int x2 = (int)array_x.get(i);
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int y2 = (int)array_y.get(i);
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canvas.drawLine(x1,y1,x2,y2,paint);
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}
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}
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}
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@Override
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public boolean onTouchEvent(MotionEvent event){
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int x = (int) event.getX();
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int y = (int) event.getY();
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int action = event.getAction();
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switch(action){
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case MotionEvent.ACTION_DOWN:
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case MotionEvent.ACTION_POINTER_DOWN:
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array_x.add(x);
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array_y.add(y);
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array_status.add(false);
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invalidate();
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break;
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case MotionEvent.ACTION_MOVE:
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case MotionEvent.ACTION_UP:
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case MotionEvent.ACTION_POINTER_UP:
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array_x.add(x);
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array_y.add(y);
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array_status.add(true);
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invalidate();
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break;
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default:
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break;
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}
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return true;
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}
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}
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```
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79
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activity_main
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252
80
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2
初心者マークを付けました。
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -18,7 +18,7 @@
|
|
|
18
18
|
|
|
19
19
|
**[追記]
|
|
20
20
|
|
|
21
|
-
今目指したいDesign画面は次のようになります。**
|
|
21
|
+
今目指したいDesign画面は次のようになります。**
|
|
22
22
|
|
|
23
23
|
|
|
24
24
|
|
1
目指しているレイアウトのDesign画面を添付させて頂きました。
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -16,6 +16,14 @@
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16
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18
18
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19
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+
**[追記]
|
|
20
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+
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|
21
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+
今目指したいDesign画面は次のようになります。**
|
|
22
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+
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23
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+
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24
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+
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25
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+
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26
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+
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19
27
|
### 該当のソースコード
|
|
20
28
|
|
|
21
29
|
MainActivity
|