android 照相问题

Question

预览的时候 没事拍完了就变的  瘪了求助。为什么呢？？？
类camera1
package com.camera1;import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.PixelFormat;
import android.graphics.Bitmap.CompressFormat;
import android.hardware.Camera;
import android.hardware.Camera.PictureCallback;
import android.hardware.Camera.Size;
import android.location.Location;
import android.os.Bundle;
import android.util.Config;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.OrientationEventListener;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.ImageButton;
import android.widget.Toast;
import android.widget.CompoundButton.OnCheckedChangeListener;
public class camera1 extends Activity implements SurfaceHolder.Callback {
    
private Camera mCamera;
private boolean mPreviewRunning=true;
  private long mFocusStartTime;
    private long mFocusCallbackTime;
    private long mCaptureStartTime;
    private long mShutterCallbackTime;
    private long mRawPictureCallbackTime;
    private int mPicturesRemaining;
    private boolean mRecordLocation;
        private boolean mKeepAndRestartPreview;
        private boolean mIsImageCaptureIntent;
        private boolean save=true;
        public static final int ITEM0 = Menu.FIRST;
     public static final int ITEM1 = Menu.FIRST + 1;
     public static final int ITEM2 = Menu.FIRST + 2;
        byte[] data;
        private int mLastOrientation = OrientationEventListener.ORIENTATION_UNKNOWN;
        
   
/** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getWindow().setFormat(PixelFormat.TRANSLUCENT);      requestWindowFeature(Window.FEATURE_NO_TITLE);      getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,      WindowManager.LayoutParams.FLAG_FULLSCREEN);
            setContentView(R.layout.com_camera1_main);
      SurfaceView mSurfaceView;
      ImageButton shutter;
      ImageButton finish;      mSurfaceView = (SurfaceView) findViewById(R.id.surface_camera);
      shutter = (ImageButton) findViewById(R.id.shutter);
      finish = (ImageButton) findViewById(R.id.finish);
      shutter.setOnClickListener(shutter1);
      finish.setOnClickListener(finish1);
     // buildDialog("camera");
            SurfaceHolder mSurfaceHolder = mSurfaceView.getHolder();      mSurfaceHolder.addCallback(this);      mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
      //mParameters.set("rotation",latchedOrientation);
      //Camera.Parameters ss =  mCamera.getParameters();
     // ss.set("rotation",mLastOrientation + 90);
      //mCamera.setParameters(ss);
        
    }
    
    
    @Override
public boolean onCreateOptionsMenu(Menu menu){
super.onCreateOptionsMenu(menu);
menu.add(0,ITEM0,0,"摄像");
menu.add(0,ITEM1,1,"设置");
menu.add(0,ITEM2,2,"退出");
menu.findItem(ITEM1);

return true;
}
private OnClickListener shutter1 = new OnClickListener() { @Override
public void onClick(View ic_camera_indicator_photo) {
// TODO Auto-generated method stub
mCamera.takePicture( shutter2,  raw, jpegCallback );

}

};
private OnClickListener finish1 = new OnClickListener() { @Override
public void onClick(View shezhi) {
// TODO Auto-generated method stub
camera1.super.openOptionsMenu();  

}

};
   @Override
public void surfaceChanged(SurfaceHolder holder, int format, int w,
int h) {
// TODO Auto-generated method stub
        if (mPreviewRunning) 
{         mCamera.stopPreview(); } Camera.Parameters p = mCamera.getParameters();
p.setPreviewSize(w, h);
 p.set("rotation",90);
mCamera.setParameters(p); try { mCamera.setPreviewDisplay(holder); } catch (IOException e) { e.printStackTrace(); } mCamera.startPreview(); mPreviewRunning = true;

} @Override
public void surfaceCreated(SurfaceHolder holder) {
// TODO Auto-generated method stub
 
 mCamera = Camera.open();


} @Override
public void surfaceDestroyed(SurfaceHolder holder) {
// TODO Auto-generated method stub
mCamera.stopPreview(); mPreviewRunning = false; mCamera.release();

}
Camera.PictureCallback raw = new Camera.PictureCallback() { public void onPictureTaken(byte[] imageData, Camera c) { } };
     
    private PictureCallback jpegCallback = new PictureCallback()      {       public void onPictureTaken(byte[] _data, Camera _camera)       {         // TODO Handle JPEG image data           /* onPictureTaken传入的第一个参数即为相片的byte */
       data= _data;
      showDialog(1);
      

     // mCamera.startPreview();     }
    };  
 /*   Camera.PictureCallback mPictureCallback = new Camera.PictureCallback() {         public void onPictureTaken(byte[] imageData, Camera c) {    Bitmap bitmap=BitmapFactory.decodeByteArray(imageData, 0, imageData.length);       if(bitmap!=null){
                                      try {
                                              String nativefile;
                                              nativefile="szl";
BufferedOutputStream bos = new BufferedOutputStream(
                                                              new FileOutputStream("/sdcard/images/"+ nativefile));
                                              bitmap.compress(CompressFormat.JPEG, 75, bos);
                                                      bos.flush();
                                                      bos.close();
        } catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
                                      finally {
                              
                               }
      }
        }
    };*/
    Camera.ShutterCallback shutter2=new Camera.ShutterCallback() {
        public void onShutter() {
           
        }
    };
    private Dialog buildDialog(Context context){
     AlertDialog.Builder builder=new AlertDialog.Builder(context);
     builder.setTitle("是否储存照片");
     builder.setPositiveButton("存储",new DialogInterface.OnClickListener(
     ){
     @Override
public void onClick(DialogInterface arg0, int arg1) {
// TODO Auto-generated method stub

savepicture(data);

}
     });
     builder.setNegativeButton("取消",new DialogInterface.OnClickListener()
     {
     @Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub

mCamera.startPreview();
}
     });
     return builder.create();
     };      public Dialog onCreateDialog(int i)
     {
    
     switch(i){
     case 1:
     return buildDialog(camera1.this);
     }
     return null;
    
     };
     public void savepicture(byte[] _data)
     {
      Bitmap bm = BitmapFactory.decodeByteArray(_data, 0, _data.length);          /* 创建新文件 */         File myCaptureFile = new File("/sdcard/" + System.currentTimeMillis() + ".jpg" );         try         {           BufferedOutputStream bos = new BufferedOutputStream           (new FileOutputStream(myCaptureFile));                   bm.compress(Bitmap.CompressFormat.JPEG, 80, bos);  /* 采用压缩转档方法 */                bos.flush();                     bos.close();               Thread.sleep(3000);           mCamera.startPreview();         }         catch (Exception e)         {           Log.e("camera", e.getMessage());         }
        Toast.makeText(camera1.this, "照片存储路径："+"/sdcard/" + System.currentTimeMillis() + ".jpg",
Toast.LENGTH_LONG).show();
     }
    
     public boolean onOptionsItemSelected(MenuItem item){
     switch (item.getItemId()){
     case ITEM0:
     break;
     case ITEM1:
     break;
     case ITEM2:
     break;
    
     }
     return super.onOptionsItemSelected(item);
     }
        
    
    
    
}

Answer 1

com_camera1_main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/camera"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:orientation="horizontal">  


    <SurfaceView android:id="@+id/surface_camera" android:layout_width="fill_parent" android:layout_height="fill_parent" 
android:orientation="horizontal"
 android:screenOrientation="landscape" android:layout_weight="1">  </SurfaceView> 
  <ImageButton  android:id="@+id/shutter"
 
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_camera_indicator_photo"
        
        android:clickable="true"
        android:focusable="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentTop="true"
        android:layout_marginRight="5dip"
        android:layout_marginTop="5dip"
        



>
</ImageButton>
 <ImageButton  android:id="@+id/finish"
   android:layout_width="wrap_content"
android:layout_height="wrap_content"
 android:src="@drawable/shezhi"
 

  android:layout_alignParentRight="true"
        android:layout_alignParentBottom="true"
        android:layout_marginRight="5dip"
        android:layout_marginBottom="5dip"
        android:scaleType="center"
    
>
</ImageButton>
</RelativeLayout>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.camera1"
      android:versionCode="1"
      android:versionName="1.0">
    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".camera1"
          android:configChanges="orientation|keyboardHidden"
                android:theme="@android:style/Theme.Black.NoTitleBar.Fullscreen"
                android:screenOrientation="landscape"
                android:clearTaskOnLaunch="true"
                 
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
    <uses-permission android:name="android.permission.CAMERA"/>　
    <uses-sdk android:minSdkVersion="8" />
</manifest> 

Answer 2

拍完了就变的 “瘪了”是什么意思？
p.setPreviewSize(w, h);把这个值打印出来，或者，你把这个值固定，比如w=600，h=480看看什么效果

Answer 3

你的手机是SONY的？
p.setPreviewSize(w, h)改成p.setPreviewSize(800,480)看看

Answer 4

预览的图http://www.saqtech.com.cn/yulan.png拍完的图http://www.saqtech.com.cn/paiwan.png

Answer 5

我做了照相机 给你发出来吧：package com.ccas.roadsideconnect;import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.PixelFormat;
import android.hardware.Camera;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.View.OnClickListener;
import android.widget.ImageButton;
import android.widget.LinearLayout;public class Takephotos extends Activity {    private CameraView cv;
    private String photoPath;
    private Camera mCamera = null;
    ImageButton take;    public Camera.PictureCallback pictureCallback = new Camera.PictureCallback() {        public void onPictureTaken(byte[] data, Camera camera) {
            Bitmap mBitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
            
//            Matrix matrix = new Matrix();
//            matrix.postScale(0.05f, 0.05f);
//            Bitmap newBitmap=Bitmap.createBitmap(mBitmap, 0, 0, mBitmap.getWidth(), mBitmap.getHeight(), matrix, true);
           
            File myCaptureFile = new File(getFilesDir(), photoPath);
            try {
                BufferedOutputStream os = new BufferedOutputStream(new FileOutputStream(
                        myCaptureFile));
                mBitmap.compress(Bitmap.CompressFormat.JPEG, 100, os);
                os.flush();
                os.close();
                resetCamera();                Intent intent = new Intent();
                intent.putExtra("photopath", myCaptureFile.getPath());
                setResult(RESULT_OK, intent);
                finish();
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                if (mBitmap != null) {
                    mBitmap.recycle();
                }
            }
        }
    };    //reret Camera
    private void resetCamera() {
        if (mCamera != null) {
            mCamera.stopPreview();
            mCamera.release();
            mCamera = null;
        }
    }    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
        getWindow().setFormat(PixelFormat.TRANSLUCENT);
        this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
        setContentView(R.layout.takephoto);
//        cv = new CameraView(this);
//        FrameLayout fl = new FrameLayout(this);
//        fl.addView(cv);
//        setContentView(fl);
        
        LinearLayout ll=(LinearLayout) findViewById(R.id.cameralayout);
        cv = new CameraView(this);
        ll.addView(cv);        
       Bundle extras=getIntent().getExtras();
       if(extras!=null){
        if(extras.getString("driver")!=null){
        photoPath=extras.getString("driver");
        }
        else if(extras.getString("truck")!=null){
        photoPath=extras.getString("truck");
        }
       }
//       
     
       take=(ImageButton) findViewById(R.id.take);
       take.setClickable(true);
        take.getBackground().setAlpha(100);
        take.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
 if (mCamera != null) {
                mCamera.takePicture(null, null, pictureCallback);
                take.setClickable(false);
            }
} });
   
}    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) {
            if (mCamera != null) {
                mCamera.takePicture(null, null, pictureCallback);
            }
           
        } if(keyCode==KeyEvent.KEYCODE_BACK){
         finish();
        }
        return cv.onKeyDown(keyCode, event);
    }    
    /*
     * (non-Javadoc)
     * @see android.app.Activity#onPause()
     */
    @Override
    protected void onPause() {
        super.onPause();
        resetCamera();
    }    // set the Camera
    class CameraView extends SurfaceView {        private SurfaceHolder holder = null;        public CameraView(Context context) {
            super(context);
            holder = this.getHolder();
            holder.addCallback(new SurfaceHolder.Callback() {
                @Override
                public void surfaceDestroyed(SurfaceHolder holder) {
                }                @Override
                public void surfaceCreated(SurfaceHolder holder) {
                    mCamera = Camera.open();
                    try {
                        mCamera.setPreviewDisplay(holder);
                    } catch (IOException e) {
                        mCamera.release();
                        mCamera = null;
                    }
                }
                @Override
                public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
                    Camera.Parameters parameters = mCamera.getParameters();
                    // Set  images format
                    parameters.setPictureFormat(PixelFormat.JPEG);
                    // set Preview size
//                    WindowManager manager=(WindowManager) getSystemService(Context.WIFI_SERVICE);
//                    Display display=manager.getDefaultDisplay();
//                     parameters.setPreviewSize(320, 480);
//                    parameters.setPreviewSize(display.getWidth(), display.getHeight());
                    //set automatic focus
//                     parameters.setFocusMode(Parameters.FOCUS_MODE_AUTO);
                    // Setting the picture the resolution of the preservation size
                     //parameters.setPictureSize(320, 240);
                    // set the data of Camera
                    mCamera.setParameters(parameters);
                    // start preview
                    mCamera.startPreview();
                }
            });
            holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
        }    }}

Answer 6

大哥能不能发你的程序给我玩玩？
[email protected]
谢谢了

Answer 7

预览正常，拍摄后出问题。
我以前调试spc110平台，android2.2\2.3系统的注意看两个地方：
1，你摄像头初始化的分辨率，如下：（不同的摄像头寄存器写法不一样）
{0x0F12,0x0640}, //REG_0TC_PCFG_usWidth  
{0x0F12,0x04b0}, //REG_0TC_PCFG_usHeight    
2，libcamera这个文件夹中SecCamera.h中对应硬件接口层参数的设定，这个与与上层关系不大。            
如果你是三星平台的话，android2.2的版本会出现这种问题。后面打一个path就好了，要改动的比较多。
android2.3里面就没这个问题。
                                   

Answer 8

你在弄防抖呀，可以提供些资料吗？
我现在发现我做的camera还没有防抖