Java 使用一系列图像的实时壁纸
大家好。这是我有史以来第一个android项目。我正在尝试用从视频中获得的一系列图像创建一个实时壁纸。每个图像的尺寸为960 x 800。到目前为止,现场壁纸的作品,但我仍然有问题,我还没有能够解决Java 使用一系列图像的实时壁纸,java,android,live-wallpaper,image,Java,Android,Live Wallpaper,Image,大家好。这是我有史以来第一个android项目。我正在尝试用从视频中获得的一系列图像创建一个实时壁纸。每个图像的尺寸为960 x 800。到目前为止,现场壁纸的作品,但我仍然有问题,我还没有能够解决 设置后,实时壁纸仅显示整个png的一部分。我设法让它在图像宽度上滚动,它滚动,但它只显示整个宽度的一部分。它只显示了整个图像高度的一部分,大约直到肖像上图像的一半,从上到下只显示了风景上的一部分。我希望现场墙纸看起来漂亮,并且在纵向和横向模式下都适合手机屏幕 它能工作,但有点停顿。只有当我切换屏幕时
package com.livewallpaper.mw3lwp;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.os.Handler;
import android.service.wallpaper.WallpaperService;
import android.view.SurfaceHolder;
public class ModernWarfare3LiveWallpaper extends WallpaperService {
private final Handler handler = new Handler();
public float mxOffset;
public void onCreate()
{
super.onCreate();
}
public void onDestroy()
{
super.onDestroy();
}
public Engine onCreateEngine()
{
return new CercleEngine();
}
class CercleEngine extends Engine {
private final Runnable drawRunner = new Runnable(){
@Override
public void run() {
updateBG();
drawFrame();
}
};
public Bitmap myBg;
int bgcycle = 0;
public void updateBG() {
if(bgcycle==50){
bgcycle=0;
}
switch (bgcycle) {
case 0: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n01); break;
case 1: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n02); break;
case 2: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n03); break;
case 3: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n04); break;
case 4: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n05); break;
case 5: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n06); break;
case 6: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n07); break;
case 7: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n08); break;
case 8: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n09); break;
case 9: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n10); break;
case 10: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n11); break;
case 11: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n12); break;
case 12: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n13); break;
case 13: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n14); break;
case 14: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n15); break;
case 15: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n16); break;
case 16: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n17); break;
case 17: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n18); break;
case 18: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n19); break;
case 19: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n20); break;
case 20: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n21); break;
case 21: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n22); break;
case 22: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n23); break;
case 23: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n24); break;
case 24: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n25); break;
case 25: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n26); break;
case 26: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n27); break;
case 27: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n28); break;
case 28: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n29); break;
case 29: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n30); break;
case 30: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n31); break;
case 31: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n32); break;
case 32: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n33); break;
case 33: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n34); break;
case 34: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n35); break;
case 35: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n36); break;
case 36: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n37); break;
case 37: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n38); break;
case 38: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n39); break;
case 39: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n40); break;
case 40: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n41); break;
case 41: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n42); break;
case 42: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n43); break;
case 43: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n44); break;
case 44: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n45); break;
case 45: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n46); break;
case 46: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n47); break;
case 47: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n48); break;
case 48: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n49); break;
case 49: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n50); break;
case 50: myBg = BitmapFactory.decodeResource(getResources(),R.drawable.n51); break;
}
bgcycle++;
}
CercleEngine()
{
updateBG();
}
public void onCreate(SurfaceHolder surfaceHolder)
{
super.onCreate(surfaceHolder);
}
@Override
public void onOffsetsChanged(float xOffset, float yOffset, float xStep, float yStep, int xPixels, int yPixels)
{
super.onOffsetsChanged(mxOffset, yOffset, xStep, yStep, xPixels, yPixels);
mxOffset = xPixels;
drawFrame();
}
void drawFrame()
{
final SurfaceHolder holder = getSurfaceHolder();
Canvas c = null;
try
{
c = holder.lockCanvas();
if (c != null)
{
c.save();
c.translate((float) mxOffset, 0f);
if(myBg != null) {
updateBG();
c.drawBitmap(myBg, 0, 0, null);
}
c.restore();
//updateBG();
//c.drawBitmap(myBg, 0, 0, null);
}
}finally{
if (c != null) holder.unlockCanvasAndPost(c);
}
handler.removeCallbacks(drawRunner);
}
}
}
问题是您每次都在updateBG()中创建位图。这会使代码变得迟钝。您没有使用正确的缩进?请记住,其他人将阅读您的代码,如果代码格式不正确,您的问题将不会得到应有的注意,将被忽略!我不得不重新格式化它,结果。。。