ITI0011:praktikum 10 N8 - Redigeerimiste ajalugu

Ago: Uus lehekülg: 'Tagasi ITI0011 lehele. == Üldine == Praktikum: 6.11.2014 kell 8:00 Koodinäide: http://pastebin.com/EmPZq3AS == Koodinäide == '''activity_main.xml''': ITI0011 lehele. == Üldine == Praktikum: 6.11.2014 kell 8:00 Koodinäide: http://pastebin.com/EmPZq3AS == Koodinäide == '''activity_main.xml''': <source lang="xm...'

Uus lehekülg
Tagasi [[ITI0011]] lehele.

== Üldine ==

Praktikum: 6.11.2014 kell 8:00

Koodinäide: http://pastebin.com/EmPZq3AS

== Koodinäide ==

'''activity_main.xml''':
<source lang="xml">
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.drawing.MainActivity" >

<com.example.drawing.DrawingView
android:layout_width="match_parent"
android:layout_height="match_parent" />

</RelativeLayout>
</source>

'''DrawingView.java''':
<source lang="java">
package com.example.drawing;

import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;

public class DrawingView extends View {

private Paint paint = new Paint();
private Path line = new Path();
private List<Path> lines = new ArrayList<Path>();
private float startX;
private float startY;

public DrawingView(Context context, AttributeSet attrs) {
super(context, attrs);

Log.d("DrawingView", "Laadis ära");

paint.setColor(Color.BLUE);
paint.setStrokeWidth(5);
paint.setAntiAlias(true);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeJoin(Paint.Join.ROUND);

line.moveTo(150, 50);
line.lineTo(50, 150);
}

@Override
protected void onDraw(Canvas canvas) {
for (Path p : lines) {
canvas.drawPath(p, paint);
}
canvas.drawPath(line, paint);
}

@Override
public boolean onTouchEvent(MotionEvent event) {
float x = event.getX();
float y = event.getY();
Log.d("DrawingView", "Finger on x:" + x + " y:" + y);

if (event.getAction() == MotionEvent.ACTION_DOWN) {
startX = x;
startY = y;
} else if (event.getAction() == MotionEvent.ACTION_UP) {
lines.add(line);
}
line = new Path();
line.moveTo(startX, startY);
line.lineTo(x, y);

invalidate();
return true;
}

}
</source>