Android银行卡识别demo

package com.wintone.smartvision_bankCard; import android.annotation.SuppressLint; import android.annotation.TargetApi; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.content.pm.ActivityInfo; import android.graphics.Bitmap; import android.graphics.Bitmap.CompressFormat; import android.graphics.Bitmap.Config; import android.graphics.BitmapFactory.Options; import android.graphics.ImageFormat; import android.graphics.Point; import android.hardware.Camera; import android.hardware.Camera.AutoFocusCallback; import android.hardware.Camera.Parameters; import android.hardware.Camera.PictureCallback; import android.hardware.Camera.PreviewCallback; import android.hardware.Camera.ShutterCallback; import android.hardware.Camera.Size; import android.media.ToneGenerator; import android.os.Build; import android.os.Build.VERSION; import android.os.Bundle; import android.os.Environment; import android.os.Vibrator; import android.text.format.Time; import android.util.DisplayMetrics; import android.view.Display; import android.view.KeyEvent; import android.view.SurfaceHolder; import android.view.SurfaceHolder.Callback; import android.view.SurfaceView; import android.view.View; import android.view.View.OnClickListener; import android.view.Window; import android.view.WindowManager; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.RelativeLayout; import android.widget.RelativeLayout.LayoutParams; import android.widget.TextView; import android.widget.Toast; import com.wintone.R; import com.wintone.ShowResult; import com.wintone.bankcard.BankCardAPI; import com.wintone.utils.Utils; import com.wintone.view.ViewfinderView; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.util.List; import java.util.Timer; import java.util.TimerTask; public class ScanCamera extends Activity implements Callback, PreviewCallback { private static final String PATH = new StringBuilder(String.valueOf(Environment.getExternalStorageDirectory().toString())).append("/DCIM/Camera/").toString(); private static double NORMAL_CARD_SCALE = 1.58577d; private BankCardAPI api; private ImageButton back; private Bitmap bitmap; private Camera camera; private TextView copyright_label; private int counter = 0; private int counterCut = 0; private int counterFail = 0; private ImageButton flash; private int height; private ImageView help_word; private boolean isFatty = false; private boolean isROI = false; private boolean isShowBorder = false; List<Size> list; private Vibrator mVibrator; private ViewfinderView myView; private int preHeight = 0; private int preWidth = 0; private RelativeLayout re_c; public int srcHeight; public int srcWidth; public int surfaceHeight; private SurfaceHolder surfaceHolder; private SurfaceView surfaceView; public int surfaceWidth; private byte[] tackData; private Timer time; private TimerTask timer; private int width; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON, WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); setContentView(R.layout.activity_scan_camera); setScreenSize(this); findView(); } protected void onRestart() { if (this.bitmap != null) { this.bitmap.recycle(); this.bitmap = null; } this.counterFail = 0; super.onRestart(); } protected void onResume() { super.onResume(); this.api = new BankCardAPI(); this.api.WTInitCardKernal("", 0); } @SuppressLint({"NewApi"}) private void setScreenSize(Context context) { int x; int y; Display display = ((WindowManager) context.getSystemService(WINDOW_SERVICE)).getDefaultDisplay(); if (VERSION.SDK_INT >= 13) { Point screenSize = new Point(); if (VERSION.SDK_INT >= 17) { display.getRealSize(screenSize); x = screenSize.x; y = screenSize.y; } else { display.getSize(screenSize); x = screenSize.x; y = screenSize.y; } } else { x = display.getWidth(); y = display.getHeight(); } this.srcWidth = x; this.srcHeight = y; } private void findView() { this.surfaceView = (SurfaceView) findViewById(R.id.surfaceViwe); this.re_c = (RelativeLayout) findViewById(R.id.re_c); this.help_word = (ImageView) findViewById(R.id.help_word); this.copyright_label = (TextView) findViewById(R.id.copyright_label); this.back = (ImageButton) findViewById(R.id.back_camera); this.flash = (ImageButton) findViewById(R.id.flash_camera); DisplayMetrics metric = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(metric); this.width = metric.widthPixels; this.height = metric.heightPixels; if (this.width * 3 == this.height * 4) { this.isFatty = true; } int back_w = (int) (((double) this.width) * 0.066796875d); int back_h = back_w; LayoutParams layoutParams = new LayoutParams(back_w, back_h); layoutParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE); layoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.TRUE); int Fheight = this.height; if (this.isFatty) { Fheight = (int) (((double) this.height) * 0.75d); } layoutParams.leftMargin = (int) ((((((double) this.width) - ((((double) Fheight) * 0.8d) * 1.585d)) / 2.0d) - ((double) back_h)) / 2.0d); layoutParams.bottomMargin = (int) (((double) this.height) * 0.10486111111111111d); this.back.setLayoutParams(layoutParams); int flash_w = (int) (((double) this.width) * 0.066796875d); layoutParams = new LayoutParams(flash_w, flash_w); layoutParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE); layoutParams.addRule(RelativeLayout.ALIGN_PARENT_TOP, RelativeLayout.TRUE); if (this.isFatty) { Fheight = (int) (((double) this.height) * 0.75d); } layoutParams.leftMargin = (int) ((((((double) this.width) - ((((double) Fheight) * 0.8d) * 1.585d)) / 2.0d) - ((double) back_h)) / 2.0d); layoutParams.topMargin = (int) (((double) this.height) * 0.10486111111111111d); this.flash.setLayoutParams(layoutParams); int help_word_w = (int) (((double) this.width) * 0.474609375d); int help_word_h = (int) (((double) help_word_w) * 0.05185185185185185d); layoutParams = new LayoutParams(help_word_w, help_word_h); layoutParams.addRule(RelativeLayout.CENTER_HORIZONTAL, RelativeLayout.TRUE); layoutParams.addRule(RelativeLayout.CENTER_VERTICAL, RelativeLayout.TRUE); this.help_word.setLayoutParams(layoutParams); layoutParams = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); layoutParams.addRule(RelativeLayout.CENTER_HORIZONTAL, RelativeLayout.TRUE); layoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.TRUE); if (this.isFatty) { layoutParams.bottomMargin = (this.height / 10) - (help_word_h / 2); } else { layoutParams.bottomMargin = (this.height / 20) - (help_word_h / 2); } this.copyright_label.setLayoutParams(