package com.zijunlin.Zxing.Demo;
import java.io.IOException;
import java.util.Vector;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.AssetFileDescriptor;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Vibrator;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;
import com.zijunlin.Zxing.Demo.camera.CameraManager;
import com.zijunlin.Zxing.Demo.decoding.CaptureActivityHandler;
import com.zijunlin.Zxing.Demo.decoding.InactivityTimer;
import com.zijunlin.Zxing.Demo.view.ViewfinderView;
public class CaptureActivity extends Activity implements Callback
{
private CaptureActivityHandler handler;
private ViewfinderView viewfinderView;
private boolean hasSurface;
private Vector<BarcodeFormat> decodeFormats;
private String characterSet;
private InactivityTimer inactivityTimer;
private MediaPlayer mediaPlayer;
private boolean playBeep;
private static final float BEEP_VOLUME = 0.10f;
private boolean vibrate;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// 初始化 CameraManager
CameraManager.init(getApplication());
viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
hasSurface = false;
inactivityTimer = new InactivityTimer(this);
}
@Override
protected void onResume()
{
super.onResume();
SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
SurfaceHolder surfaceHolder = surfaceView.getHolder();
if (hasSurface)
{
initCamera(surfaceHolder);
}
else
{
surfaceHolder.addCallback(this);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
decodeFormats = null;
characterSet = null;
playBeep = true;
AudioManager audioService = (AudioManager) getSystemService(AUDIO_SERVICE);
if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL)
{
playBeep = false;
}
initBeepSound();
vibrate = true;
}
@Override
protected void onPause()
{
super.onPause();
if (handler != null)
{
handler.quitSynchronously();
handler = null;
}
CameraManager.get().closeDriver();
}
@Override
protected void onDestroy()
{
inactivityTimer.shutdown();
super.onDestroy();
}
private void initCamera(SurfaceHolder surfaceHolder)
{
try
{
CameraManager.get().openDriver(surfaceHolder);
}
catch (IOException ioe)
{
return;
}
catch (RuntimeException e)
{
return;
}
if (handler == null)
{
handler = new CaptureActivityHandler(this, decodeFormats, characterSet);
}
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height)
{
}
@Override
public void surfaceCreated(SurfaceHolder holder)
{
if (!hasSurface)
{
hasSurface = true;
initCamera(holder);
}
}
@Override
public void surfaceDestroyed(SurfaceHolder holder)
{
hasSurface = false;
}
public ViewfinderView getViewfinderView()
{
return viewfinderView;
}
public Handler getHandler()
{
return handler;
}
public void drawViewfinder()
{
viewfinderView.drawViewfinder();
}
public void handleDecode(final Result obj, Bitmap barcode)
{
inactivityTimer.onActivity();
playBeepSoundAndVibrate();
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
if (barcode == null)
{
dialog.setIcon(null);
}
else
{
Drawable drawable = new BitmapDrawable(barcode);
dialog.setIcon(drawable);
}
dialog.setTitle("扫描结果");
dialog.setMessage(obj.getText());
dialog.setNegativeButton("确定", new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
//用默认浏览器打开扫描得到的地址
Intent intent = new Intent();
intent.setAction("android.intent.action.VIEW");
Uri content_url = Uri.parse(obj.getText());
intent.setData(content_url);
startActivity(intent);
finish();
}
});
dialog.setPositiveButton("取消", new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
finish();
}
});
dialog.create().show();
}
private void initBeepSound()
{
if (playBeep && mediaPlayer == null)
{
// The volume on STREAM_SYSTEM is not adjustable, and users found it
// too loud,
// so we now play on the music stream.
setVolumeControlStream(AudioManager.STREAM_MUSIC);
mediaPlayer = new MediaPlayer();
mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mediaPlayer.setOnCompletionListener(beepListener);
AssetFileDescriptor file = getResources().openRawResourceFd(R.raw.beep);
try
{
mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(), file.getLength());
file.close();
mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
mediaPlayer.prepare();
}
catch (IOException e)
{
mediaPlayer = null;
}
}
}
private static final long VIBRATE_DURATION = 200L;
private void playBeepSoundAndVibrate()
{
if (playBeep && mediaPlayer != null)
{
mediaPlayer.start();
}
if (vibrate)
{
Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
vibrator.vibrate(VIBRATE_DURATION);
}
}
/**
* When the beep has finished playing, rewind to queue up another one.
*/
private final OnCompletionListener beepListener = new OnCompletionListener()
{
public void onCompletion(MediaPlayer mediaPlayer)
{
mediaPlayer.seekTo(0);
}
};
}
资源文件列表
ZXingDemo/.classpath , 512
ZXingDemo/.project , 845
ZXingDemo/.settings/org.eclipse.jdt.core.prefs , 177
ZXingDemo/AndroidManifest.xml , 1194
ZXingDemo/gen/com/zijunlin/Zxing/Demo/BuildConfig.java , 165
ZXingDemo/gen/com/zijunlin/Zxing/Demo/R.java , 3326
ZXingDemo/libs/zxing.jar , 430432
ZXingDemo/proguard.cfg , 1159
ZXingDemo/project.properties , 563
ZXingDemo/res/drawable-hdpi/icon.png , 4147
ZXingDemo/res/drawable-ldpi/icon.png , 1723
ZXingDemo/res/drawable-mdpi/icon.png , 2574
ZXingDemo/res/layout/main.xml , 1305
ZXingDemo/res/layout/test.xml , 666
ZXingDemo/res/raw/beep.ogg , 6401
ZXingDemo/res/values/colors.xml , 1203
ZXingDemo/res/values/ids.xml , 573
ZXingDemo/res/values/strings.xml , 176
ZXingDemo/src/com/zijunlin/Zxing/Demo/camera/AutoFocusCallback.java , 1760
ZXingDemo/src/com/zijunlin/Zxing/Demo/camera/CameraConfigurationManager.java , 9419
ZXingDemo/src/com/zijunlin/Zxing/Demo/camera/CameraManager.java , 11261
ZXingDemo/src/com/zijunlin/Zxing/Demo/camera/FlashlightManager.java , 4817
ZXingDemo/src/com/zijunlin/Zxing/Demo/camera/PlanarYUVLuminanceSource.java , 4081
ZXingDemo/src/com/zijunlin/Zxing/Demo/camera/PreviewCallback.java , 1979
ZXingDemo/src/com/zijunlin/Zxing/Demo/CaptureActivity.java , 6009
ZXingDemo/src/com/zijunlin/Zxing/Demo/CreateQRImageTest.java , 2038
ZXingDemo/src/com/zijunlin/Zxing/Demo/decoding/CaptureActivityHandler.java , 4605
ZXingDemo/src/com/zijunlin/Zxing/Demo/decoding/DecodeFormatManager.java , 3753
ZXingDemo/src/com/zijunlin/Zxing/Demo/decoding/DecodeHandler.java , 3451
ZXingDemo/src/com/zijunlin/Zxing/Demo/decoding/DecodeThread.java , 3453
ZXingDemo/src/com/zijunlin/Zxing/Demo/decoding/FinishListener.java , 1294
ZXingDemo/src/com/zijunlin/Zxing/Demo/decoding/InactivityTimer.java , 2103
ZXingDemo/src/com/zijunlin/Zxing/Demo/decoding/Intents.java , 6219
ZXingDemo/src/com/zijunlin/Zxing/Demo/view/ViewfinderResultPointCallback.java , 1092
ZXingDemo/src/com/zijunlin/Zxing/Demo/view/ViewfinderView.java , 5881
