</RelativeLayout>
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wfliao@Precision-M6700:~/workspace/uvc/usbcam/res/values$ cat strings.xml@H_404_0@ <?xml version="1.0" encoding="utf-8"?>@H_404_0@ <resources>@H_404_0@ @H_404_0@ @H_404_0@ <string name="app_name">usbcam</string>@H_404_0@ <string name="hello_world">Hello world!</string>@H_404_0@ <string name="action_settings">Settings</string>@H_404_0@ @H_404_0@ @H_404_0@ </resources>@H_404_0@
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wfliao@Precision-M6700:~/workspace/uvc/usbcam/src/com/uvc/usbcam$ tree @H_404_0@ .@H_404_0@ ├── MainActivity.java@H_404_0@ └── USBcamera.java@H_404_0@ @H_404_0@ @H_404_0@ 0 directories,2 files@H_404_0@
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wfliao@Precision-M6700:~/workspace/uvc/usbcam/src/com/uvc/usbcam$ cat USBcamera.java@H_404_0@ package com.uvc.usbcam;@H_404_0@ @H_404_0@ @H_404_0@ import android.graphics.Bitmap;@H_404_0@ @H_404_0@ @H_404_0@ public class USBcamera {@H_404_0@ static public native int open(byte[] devname);@H_404_0@ static public native int qbuf(int index);@H_404_0@ static public native int streamon();@H_404_0@ static public native int streamoff();@H_404_0@ static public native int dqbuf(byte[] videodata);@H_404_0@ static public native int release();@H_404_0@ static public native int init(int width,int height,int numbuf,int ctype);@H_404_0@ static public native int pixeltobmp(Bitmap bitmap);@H_404_0@ static {@H_404_0@ System.loadLibrary("USBcamera");@H_404_0@ }@H_404_0@ }@H_404_0@ @H_404_0@ @H_404_0@
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wfliao@Precision-M6700:~/workspace/uvc/usbcam/src/com/uvc/usbcam$ cat MainActivity.java@H_404_0@ package com.uvc.usbcam;@H_404_0@ @H_404_0@ @H_404_0@ import java.io.ByteArrayOutputStream;@H_404_0@ import java.io.File;@H_404_0@ import java.io.FileNotFoundException;@H_404_0@ import java.io.FileOutputStream;@H_404_0@ import java.io.IOException;@H_404_0@ @H_404_0@ @H_404_0@ import android.app.Activity;@H_404_0@ import android.graphics.Bitmap;@H_404_0@ import android.graphics.BitmapFactory;@H_404_0@ import android.graphics.ImageFormat;@H_404_0@ import android.graphics.Rect;@H_404_0@ import android.graphics.YuvImage;@H_404_0@ import android.os.Bundle;@H_404_0@ import android.os.Environment;@H_404_0@ import android.os.Handler;@H_404_0@ import android.text.format.Time;@H_404_0@ import android.view.Menu;@H_404_0@ import android.view.View;@H_404_0@ import android.view.View.OnClickListener;@H_404_0@ import android.view.Window;@H_404_0@ import android.view.WindowManager;@H_404_0@ import android.widget.Button;@H_404_0@ import android.widget.ImageView;@H_404_0@ import android.widget.Toast;@H_404_0@ @H_404_0@ @H_404_0@ public class MainActivity extends Activity {@H_404_0@ private ImageView mImag;@H_404_0@ private int width = 640;@H_404_0@ private int height = 480;@H_404_0@ private String devname = "/dev/video0";@H_404_0@ private byte[] mdata;@H_404_0@ private Handler mHandler;@H_404_0@ private int numbuf = 0;@H_404_0@ private int index = 0;@H_404_0@ private int ret = 0;@H_404_0@ private int ctype = 1;//0 is zc301 1 is uvc camera@H_404_0@ public Button mcap;@H_404_0@ private Bitmap bitmap;@H_404_0@ private Bitmap bmp;@H_404_0@ private int[] rgb;@H_404_0@ @Override@H_404_0@ protected void onCreate(Bundle savedInstanceState) {@H_404_0@ super.onCreate(savedInstanceState);@H_404_0@ requestWindowFeature(Window.FEATURE_NO_TITLE);@H_404_0@ getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,@H_404_0@ WindowManager.LayoutParams.FLAG_FULLSCREEN);@H_404_0@ setContentView(R.layout.activity_main);@H_404_0@ mImag = (ImageView)findViewById(R.id.mimg);@H_404_0@ mcap = (Button)findViewById(R.id.mcap);@H_404_0@ bmp = Bitmap.createBitmap(width,height,Bitmap.Config.ARGB_8888);@H_404_0@ numbuf = 4;@H_404_0@ mdata = new byte[width * height * numbuf];@H_404_0@ rgb = new int[width * height * numbuf];@H_404_0@ ret = USBcamera.open(devname.getBytes());@H_404_0@ if(ret < 0)@H_404_0@ finish();@H_404_0@ ret = USBcamera.init(width,numbuf,ctype);@H_404_0@ if(ret < 0)@H_404_0@ finish();@H_404_0@ ret = USBcamera.streamon();@H_404_0@ if(ret < 0)@H_404_0@ finish();@H_404_0@ mHandler = new Handler();@H_404_0@ new StartThread().start();@H_404_0@ mcap.setOnClickListener(new CaptureListener());@H_404_0@ }@H_404_0@ @H_404_0@ @H_404_0@ final Runnable mUpdateUI = new Runnable() {@H_404_0@ @H_404_0@ @H_404_0@ @Override@H_404_0@ public void run() {@H_404_0@ // TODO Auto-generated method stub@H_404_0@ mImag.setImageBitmap(bitmap);@H_404_0@ @H_404_0@ }@H_404_0@ };@H_404_0@ @H_404_0@ class StartThread extends Thread {@H_404_0@ @H_404_0@ @H_404_0@ @Override@H_404_0@ public void run() {@H_404_0@ // TODO Auto-generated method stub@H_404_0@ //super.run();@H_404_0@ while(true) {@H_404_0@ if(ctype == 1){@H_404_0@ index = USBcamera.dqbuf(mdata);@H_404_0@ if((index < 0) || (mdata == null)) {@H_404_0@ onDestroy();@H_404_0@ break;@H_404_0@ }@H_404_0@ USBcamera.pixeltobmp(bmp);@H_404_0@ mHandler.post(mUpdateUI);@H_404_0@ bitmap = bmp;@H_404_0@ USBcamera.qbuf(index);@H_404_0@ //USBcamera.yuvtorgb(mdata,rgb);@H_404_0@ //mHandler.post(mUpdateUI);@H_404_0@ //bitmap = Bitmap.createBitmap(rgb,width,Bitmap.Config.ARGB_8888);@H_404_0@ //USBcamera.qbuf(index);@H_404_0@ } else {@H_404_0@ index = USBcamera.dqbuf(mdata);@H_404_0@ if(index < 0) {@H_404_0@ onDestroy();@H_404_0@ break;@H_404_0@ }@H_404_0@ mHandler.post(mUpdateUI);@H_404_0@ bitmap = BitmapFactory.decodeByteArray(mdata,width * height);@H_404_0@ USBcamera.qbuf(index);@H_404_0@ }@H_404_0@ }@H_404_0@ }@H_404_0@ }@H_404_0@ @H_404_0@ public static void saveMyBitmap(Bitmap mBitmap) {@H_404_0@ Time mtime = new Time();@H_404_0@ mtime.setToNow();@H_404_0@ File fdir = new File(Environment.getExternalStorageDirectory().getPath() + "/DCIM/" + "/wfliao/");@H_404_0@ if(!fdir.exists()) {@H_404_0@ fdir.mkdir();@H_404_0@ }@H_404_0@ File f = new File(Environment.getExternalStorageDirectory().getPath() + "/DCIM/" + "/wfliao/" + mtime.year + mtime.month + mtime.monthDay + mtime.hour + mtime.minute +mtime.second+".png");@H_404_0@ try {@H_404_0@ f.createNewFile();@H_404_0@ } catch (IOException e) {@H_404_0@ e.printStackTrace();@H_404_0@ }@H_404_0@ FileOutputStream fOut = null;@H_404_0@ try {@H_404_0@ fOut = new FileOutputStream(f);@H_404_0@ mBitmap.compress(Bitmap.CompressFormat.PNG,100,fOut);@H_404_0@ fOut.flush();@H_404_0@ fOut.close();@H_404_0@ } catch (FileNotFoundException e) {@H_404_0@ e.printStackTrace();@H_404_0@ } catch (IOException e) {@H_404_0@ e.printStackTrace();@H_404_0@ }@H_404_0@ @H_404_0@ @H_404_0@ }@H_404_0@ @H_404_0@ class CaptureListener implements OnClickListener{@H_404_0@ @H_404_0@ @H_404_0@ @Override@H_404_0@ public void onClick(View v) {@H_404_0@ // TODO Auto-generated method stub@H_404_0@ //new CapThread().start();@H_404_0@ //USBcamera.streamoff();@H_404_0@ saveMyBitmap(bitmap);@H_404_0@ //USBcamera.streamon();@H_404_0@ Toast.makeText(MainActivity.this,"Capture Successfully",Toast.LENGTH_SHORT).show();@H_404_0@ } @H_404_0@ }@H_404_0@ /*@H_404_0@ class CapThread extends Thread {@H_404_0@ @H_404_0@ @H_404_0@ @Override@H_404_0@ public void run() {@H_404_0@ // TODO Auto-generated method stub@H_404_0@ //super.run();@H_404_0@ saveMyBitmap(bitmap);@H_404_0@ Toast.makeText(MainActivity.this,Toast.LENGTH_LONG).show();@H_404_0@ }@H_404_0@ @H_404_0@ }@H_404_0@ */@H_404_0@ @Override@H_404_0@ protected void onStop() {@H_404_0@ // TODO Auto-generated method stub@H_404_0@ super.onStop();@H_404_0@ USBcamera.release();@H_404_0@ finish();@H_404_0@ System.exit(0);@H_404_0@ }@H_404_0@ @H_404_0@ @H_404_0@ @Override@H_404_0@ protected void onPause() {@H_404_0@ // TODO Auto-generated method stub@H_404_0@ super.onPause();@H_404_0@ USBcamera.release();@H_404_0@ finish();@H_404_0@ System.exit(0);@H_404_0@ }@H_404_0@ @H_404_0@ @H_404_0@ @Override@H_404_0@ protected void onDestroy() {@H_404_0@ // TODO Auto-generated method stub@H_404_0@ super.onDestroy();@H_404_0@ USBcamera.release();@H_404_0@ System.exit(0);@H_404_0@ }@H_404_0@ @H_404_0@ @H_404_0@ @Override@H_404_0@ public boolean onCreateOptionsMenu(Menu menu) {@H_404_0@ // Inflate the menu; this adds items to the action bar if it is present.@H_404_0@ getMenuInflater().inflate(R.menu.main,menu);@H_404_0@ finish();@H_404_0@ return true;@H_404_0@ }@H_404_0@ @H_404_0@ @H_404_0@ }@H_404_0@ @H_404_0@ @H_404_0@
一般生成在mnt/sdcard/DCIM/camera/wfliao
