اینها اکتیویتی های این پروژه هست..نمدونم کدوم قسمتش واسه بزرگتر کردن دانه های برف هست
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package eu.masconsult.android.androsnow;
import android.app.Activity;
import android.os.Bundle;
public class AndroSnowActivity extends Activity {
SnowView view;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
view = (SnowView) findViewById(R.id.snowView);
}
@Override
protected void onPause() {
view.stopHandler();
super.onPause();
}
@Override
protected void onResume() {
view.startHandler();
super.onResume();
}
}
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package eu.masconsult.android.androsnow;
import java.util.ArrayList;
import java.util.Random;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Bitmap.Config;
import android.os.Handler;
import android.service.wallpaper.WallpaperService;
import android.view.SurfaceHolder;
public class AndroSnowService extends WallpaperService {
private final Handler mHandler = new Handler();
@Override
public Engine onCreateEngine() {
return new CubeEngine();
}
class CubeEngine extends Engine {
private Bitmap bitmap;
/**
* Everyone needs a little randomness in their life
*/
private final Random RNG = new Random();
private ArrayList<Coordinate> snowFlakes = new ArrayList<Coordinate>(100);
private boolean mVisible;
private final Runnable mRefreshSnow = new Runnable() {
public void run() {
drawSnow();
}
};
@Override
public void onDestroy() {
super.onDestroy();
mHandler.removeCallbacks(mRefreshSnow);
}
@Override
public void onCreate(SurfaceHolder surfaceHolder) {
bitmap = Bitmap.createBitmap(getApplicationContext().getWallpaperDesiredMinimumWidth(), getApplicationContext().getWallpaperDesiredMinimumHeight(), Config.ARGB_4444);
bitmap.eraseColor(Color.BLACK);
super.onCreate(surfaceHolder);
}
@Override
public void onVisibilityChanged(boolean visible) {
mVisible = visible;
if (visible) {
drawSnow();
} else {
mHandler.removeCallbacks(mRefreshSnow);
}
}
@Override
public void onSurfaceDestroyed(SurfaceHolder holder) {
super.onSurfaceDestroyed(holder);
mVisible = false;
mHandler.removeCallbacks(mRefreshSnow);
}
@Override
public void onDesiredSizeChanged(int desiredWidth, int desiredHeight) {
super.onDesiredSizeChanged(desiredWidth, desiredHeight);
snowFlakes.clear();
bitmap = Bitmap.createBitmap(desiredWidth, desiredHeight, Config.ARGB_4444);
bitmap.eraseColor(Color.RED);
System.out.println("asdadasdadasdasdadasssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss");
}
void drawSnow() {
final SurfaceHolder holder = getSurfaceHolder();
Canvas c = null;
try {
c = holder.lockCanvas();
if (c != null) {
update©;
}
} finally {
if (c != null) holder.unlockCanvasAndPost©;
}
// Reschedule the next redraw
mHandler.removeCallbacks(mRefreshSnow);
if (mVisible) {
mHandler.postDelayed(mRefreshSnow, 10);
}
}
void update(Canvas c) {
snowFlakes.add(new Coordinate(RNG.nextInt(c.getWidth()), -1));
int i=0;
while (i < snowFlakes.size()) {
final Coordinate flake = snowFlakes.get(i);
int diff = RNG.nextInt(3)-1;
if (flake.x+diff < 0) diff = 0;
if (flake.x+diff >= c.getWidth()) diff = 0;
if (flake.y+1 >= c.getHeight() || bitmap.getPixel(flake.x+diff, flake.y+1) == Color.WHITE) {
snowFlakes.remove(i);
continue;
}
if (flake.y >= 0)
bitmap.setPixel(flake.x, flake.y, Color.BLACK);
flake.x += diff;
flake.y++;
bitmap.setPixel(flake.x, flake.y, Color.WHITE);
i++;
}
c.drawBitmap(bitmap, 0, 0, new Paint());
}
}
/**
* Simple class containing two integer values and a comparison function.
* There's probably something I should use instead, but this was quick and
* easy to build.
*
*/
private class Coordinate {
public int x;
public int y;
public Coordinate(int newX, int newY) {
x = newX;
y = newY;
}
public boolean equals(Coordinate other) {
if (x == other.x && y == other.y) {
return true;
}
return false;
}
@Override
public String toString() {
return "Coordinate: [" + x + "," + y + "]";
}
}
}
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package eu.masconsult.android.androsnow;
import java.util.ArrayList;
import java.util.Random;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Bitmap.Config;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.view.View;
public class SnowView extends View {
private Bitmap bitmap;
/**
* Everyone needs a little randomness in their life
*/
private static final Random RNG = new Random();
/**
* Create a simple handler that we can use to cause animation to happen. We
* set ourselves as a target and we can use the sleep() function to cause an
* update/invalidate to occur at a later date.
*/
private RefreshHandler mRedrawHandler = new RefreshHandler();
private ArrayList<Coordinate> snowFlakes = new ArrayList<Coordinate>(100);
class RefreshHandler extends Handler {
@Override
public void handleMessage(Message msg) {
SnowView.this.update();
SnowView.this.invalidate();
}
public void sleep(long delayMillis) {
this.removeMessages(0);
sendMessageDelayed(obtainMessage(0), delayMillis);
}
};
public SnowView(Context context) {
super(context);
}
public void update() {
snowFlakes.add(new Coordinate(RNG.nextInt(getWidth()), -1));
int i = 0;
while (i < snowFlakes.size()) {
final Coordinate flake = snowFlakes.get(i);
int diff = RNG.nextInt(3) - 1;
if (flake.x + diff < 0)
diff = 0;
if (flake.x + diff >= getWidth())
diff = 0;
if (flake.y + 1 >= getHeight()
|| bitmap.getPixel(flake.x + diff, flake.y + 1) == Color.WHITE) {
snowFlakes.remove(i);
continue;
}
if (flake.y >= 0)
bitmap.setPixel(flake.x, flake.y, Color.BLACK);
flake.x += diff;
flake.y++;
bitmap.setPixel(flake.x, flake.y, Color.WHITE);
i++;
}
if (mRedrawHandler != null)
mRedrawHandler.sleep(10);
}
public SnowView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public SnowView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
bitmap = Bitmap.createBitmap(getWidth(), getHeight(), Config.ARGB_4444);
bitmap.eraseColor(Color.BLACK);
update();
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
Paint paint = new Paint();
canvas.drawBitmap(bitmap, 0, 0, paint);
}
public void stopHandler() {
mRedrawHandler = null;
}
public void startHandler() {
mRedrawHandler = new RefreshHandler();
}
/**
* Simple class containing two integer values and a comparison function.
* There's probably something I should use instead, but this was quick and
* easy to build.
*
*/
private class Coordinate {
public int x;
public int y;
public Coordinate(int newX, int newY) {
x = newX;
y = newY;
}
public boolean equals(Coordinate other) {
if (x == other.x && y == other.y) {
return true;
}
return false;
}
@Override
public String toString() {
return "Coordinate: [" + x + "," + y + "]";
}
}
}
