package com.example.windmilldemo;
import java.lang.reflect.Field;
import android.R.integer;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PixelFormat;
import android.graphics.Rect;
import android.graphics.RectF;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.WindowManager;
import android.view.ViewGroup.LayoutParams;
public class WindmillView extends SurfaceView implements
SurfaceHolder.Callback, Runnable {
private SurfaceHolder holder;
private boolean isRunning = true;
/**
* 屏幕的像素
*/
private int screenWidth;
private int screenHeiht;
private Bitmap windPoint;
/**
* 风车图片
*/
private Bitmap Windmill;
/**
* 背景图片
*/
private Bitmap viewBg;
public WindmillView(Context context) {
super(context);
this.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT,
LayoutParams.MATCH_PARENT));
holder = getHolder();
holder.addCallback(this);
holder.setFormat(PixelFormat.RGBA_8888); // 顶层绘制SurfaceView设成透明
getViewSize(context);
LoadWindmillImage();
}
private void LoadWindmillImage() {
viewBg = BitmapFactory.decodeResource(getResources(), R.drawable.bg_na);
Windmill = BitmapFactory.decodeResource(getResources(),
R.drawable.na_windmill);
windPoint = BitmapFactory.decodeResource(getResources(),
R.drawable.na_point);
float percent = percentumW();
Log.v("icers", screenWidth "");
int _witdh = (int) (250 / percent);//250是风车基点左侧像素
Log.v("icers", _witdh "");
Windmill = Bitmap.createScaledBitmap(Windmill, _witdh * 2, _witdh * 2,
true);
}
// 获取屏幕的分辨率
private void getViewSize(Context context) {
DisplayMetrics metrics = new DisplayMetrics();
WindowManager windowManager = (WindowManager) context
.getSystemService(Context.WINDOW_SERVICE);
windowManager.getDefaultDisplay().getMetrics(metrics);
this.screenHeiht = metrics.heightPixels;
this.screenWidth = metrics.widthPixels;
Log.d("Windmill", "Windmill:" screenHeiht "|" screenWidth);
}
/**
* 获取背景图和风车的比率 ，从而根据这个比例改变各个手机上面的风车图片大小
*
*
* @return
*/
private float percentumW() {
float bg_width = viewBg.getWidth();
return bg_width/screenWidth ;
}
/**
* 获取背景图和风车的比率 ，从而根据这个比例改变各个手机上面的风车图片大小
*
*
* @return
*/
private float percentumH() {
float bg_height = viewBg.getHeight();
return bg_height/(screenHeiht);
}
@Override
public void run() {
float rotate = 0;// 旋转角度变量
while (isRunning) {
Log.i("icer", "Running");
Canvas canvas = null;
synchronized (this) {
try {
canvas = holder.lockCanvas();
if (canvas != null) {
Paint paint = new Paint();
paint.setAntiAlias(true);
// 对图片抗锯齿
paint.setFilterBitmap(true);
RectF rect = new RectF(0, 0, screenWidth, screenHeiht
);
canvas.drawBitmap(viewBg, null, rect, paint);
Matrix matrix = new Matrix();
matrix.postRotate((rotate = 2) % 360f,
Windmill.getWidth() / 2,
Windmill.getHeight() / 2);
int _dy = (int) (500 /percentumH()); //500是风车基点到背景定点的像素
matrix.postTranslate(0, (_dy - (Windmill.getHeight()/2)));
canvas.drawBitmap(Windmill, matrix, paint);
int _dx = (int) (250 / percentumW());//250是风车基点左侧像素
canvas.drawBitmap(windPoint,_dx-windPoint.getWidth()/2,_dy-windPoint.getHeight()/2,paint);
Thread.sleep(3);
}
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
if (canvas != null) {
holder.unlockCanvasAndPost(canvas);
}
}
}
}
}
public void setRunning(boolean state) {
isRunning = state;
}
@Override
public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) {
// TODO Auto-generated method stub
}
@Override
public void surfaceCreated(SurfaceHolder arg0) {
new Thread(this).start();
}
@Override
public void surfaceDestroyed(SurfaceHolder arg0) {
// TODO Auto-generated method stub
isRunning = false;
}
}
资源文件列表
.classpath , 450
.project , 815
.settings/org.eclipse.jdt.core.prefs , 173
AndroidManifest.xml , 864
bin/AndroidManifest.xml , 864
bin/classes.dex , 454224
bin/classes/com/example/windmilldemo/BuildConfig.class , 357
bin/classes/com/example/windmilldemo/MainActivity.class , 1166
bin/classes/com/example/windmilldemo/R$attr.class , 358
bin/classes/com/example/windmilldemo/R$dimen.class , 479
bin/classes/com/example/windmilldemo/R$drawable.class , 521
bin/classes/com/example/windmilldemo/R$id.class , 411
bin/classes/com/example/windmilldemo/R$layout.class , 421
bin/classes/com/example/windmilldemo/R$menu.class , 406
bin/classes/com/example/windmilldemo/R$string.class , 490
bin/classes/com/example/windmilldemo/R$style.class , 449
bin/classes/com/example/windmilldemo/R.class , 733
bin/classes/com/example/windmilldemo/WindmillView.class , 5592
bin/dexedLibs/android-support-v4-59a294438a8c7f0918fb28be39259bad.jar , 151826
bin/resources.ap_ , 167891
bin/res/drawable-hdpi/ic_launcher.png , 9193
bin/res/drawable-hdpi/na_point.png , 1435
bin/res/drawable-hdpi/na_windmill.png , 36427
bin/res/drawable-mdpi/ic_launcher.png , 5057
bin/res/drawable-xhdpi/ic_launcher.png , 14068
bin/WindmillDemo.apk , 324556
gen/com/example/windmilldemo/BuildConfig.java , 166
gen/com/example/windmilldemo/R.java , 2590
libs/android-support-v4.jar , 393153
proguard-project.txt , 781
project.properties , 563
res/drawable-hdpi/bg_na.jpg , 96839
res/drawable-hdpi/ic_launcher.png , 9397
res/drawable-hdpi/na_point.png , 1435
res/drawable-hdpi/na_windmill.png , 36427
res/drawable-mdpi/ic_launcher.png , 5237
res/drawable-xhdpi/ic_launcher.png , 14383
res/layout/activity_main.xml , 650
res/menu/main.xml , 254
res/values-sw600dp/dimens.xml , 196
res/values-sw720dp-land/dimens.xml , 269
res/values-v11/styles.xml , 324
res/values-v14/styles.xml , 381
res/values/dimens.xml , 213
res/values/strings.xml , 222
res/values/styles.xml , 680
src/com/example/windmilldemo/MainActivity.java , 839
src/com/example/windmilldemo/WindmillView.java , 4549