我刚刚意识到我的相机活动在一个水平方向上不适用于某些设备。一些DROID品牌和皮肤的手机。它适用于迄今为止所有带有标准android实现的谷歌手机。安卓相机功能在几部手机上不起作用
我有一个短暂的瞬间调试设备2.2(不知道到底是什么型号的手机,这是,但它是皮肤),我看到调试器说(ICamera失败)(相机错误100)
,但我没有机会找出它出错的位置,但我确实看到其他人遇到了这个问题(关于在开始预览前获取预览大小的一些信息),但没有明显的反应或任何直观的东西我有,但这里是我的相机代码,什么会使这项工作更普遍?
//this is in OnCreate
preview = (SurfaceView) findViewById(R.id.cameraplacer);
previewHolder = preview.getHolder();
previewHolder.addCallback(surfaceCallback);
previewHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
//这是生命周期方法之外
SurfaceHolder.Callback surfaceCallback=new SurfaceHolder.Callback() {
public void surfaceCreated(SurfaceHolder holder) {
if (camera == null) {
camera = Camera.open();
try {
Camera.Parameters camParams = camera.getParameters();
camParams.setFlashMode(Parameters.FLASH_MODE_AUTO);
setDisplayOrientation(camera, 90);
camera.setPreviewDisplay(previewHolder);
camera.setParameters(camParams);
} catch (IOException e) {
camera.release();
camera = null;
}
}
}//end surfaceCreated
public void surfaceChanged(SurfaceHolder holder,
int format, int width,
int height) {
Camera.Parameters parameters=camera.getParameters();
Camera.Size size=getBestPreviewSize(width, height,
parameters);
if (size!=null) {
parameters.setPreviewSize(size.width, size.height);
camera.setParameters(parameters);
camera.startPreview();
inPreview=true;
}
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
if (camera != null) {
camera.stopPreview();
camera.setPreviewCallback(null);
camera.release();
camera = null;
}
}
};//end CallBack
private Camera.Size getBestPreviewSize(int width, int height,
Camera.Parameters parameters) {
Camera.Size result=null;
for (Camera.Size size : parameters.getSupportedPreviewSizes()) {
if (size.width<=width && size.height<=height) {
if (result==null) {
result=size;
}
else {
int resultArea=result.width*result.height;
int newArea=size.width*size.height;
if (newArea>resultArea) {
result=size;
}
}
}
}
return(result);
}//end getBestPreviewSize
//这是对的onResume
try {
//Method rotateMethod = android.hardware.Camera.class.getMethod("setDisplayOrientation", int.class);
//rotateMethod.invoke(camera, 90);
//Camera.Parameters camParams = camera.getParameters();
//camParams.setPreviewSize(480, 320);// here w h are reversed
//camera.setParameters(camParams);*/
//setCameraDisplayOrientation(MainPhoto.this, 0, camera);
if(camera!=null)
{
Camera.Parameters camParams = camera.getParameters();
camParams.setFlashMode(Parameters.FLASH_MODE_AUTO);
camera.setParameters(camParams);
setDisplayOrientation(camera, 90);
camera.setPreviewDisplay(previewHolder);
camera.startPreview();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}/* catch (NoSuchMethodException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}*/ catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}/* catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}*/
没有日志和控制台消息,你会得到,我不认为很多人都可以帮助你。 – 2012-01-05 22:21:47