Java tutorial
/* * Copyright (C) 2008 ZXing authors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.dongbang.yutian.activity; import android.Manifest; import android.app.Activity; import android.content.Intent; import android.content.pm.PackageManager; import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Bundle; import android.provider.MediaStore; import android.support.annotation.NonNull; import android.support.v4.app.ActivityCompat; import android.support.v4.content.ContextCompat; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.SurfaceView; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.widget.Button; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import com.dongbang.yutian.R; import com.dongbang.yutian.beans.ScanResult; import com.dongbang.yutian.common.AppConfig; import com.dongbang.yutian.scancodeneed.Constant; import com.dongbang.yutian.scancodeneed.ScanListener; import com.dongbang.yutian.scancodeneed.ScanManager; import com.dongbang.yutian.scancodeneed.decode.DecodeThread; import com.dongbang.yutian.scancodeneed.decode.Utils; import com.google.zxing.Result; import butterknife.Bind; import butterknife.ButterKnife; /** * ??? * * @author ruiqin */ public final class CommonScanActivity extends BaseActivity implements ScanListener, View.OnClickListener { static final String TAG = CommonScanActivity.class.getSimpleName(); public final static int RESULT_CODE = 1; SurfaceView scanPreview = null; View scanContainer; View scanCropView; ImageView scanLine; ScanManager scanManager; TextView iv_light; TextView qrcode_g_gallery; TextView qrcode_ic_back; private String result; final int PHOTOREQUESTCODE = 1111; @Bind(R.id.service_register_rescan) Button rescan; @Bind(R.id.scan_image) ImageView scan_image; @Bind(R.id.authorize_return) ImageView authorize_return; private int scanMode;//???? @Bind(R.id.scan_hint) TextView scan_hint; @Bind(R.id.tv_scan_result) TextView tv_scan_result; @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); Window window = getWindow(); window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); setContentView(R.layout.activity_scan_code); ButterKnife.bind(this); scanMode = getIntent().getIntExtra(Constant.REQUEST_SCAN_MODE, Constant.REQUEST_SCAN_MODE_ALL_MODE); initView(); } void initView() { switch (scanMode) { case DecodeThread.BARCODE_MODE: scan_hint.setText(R.string.scan_barcode_hint); break; case DecodeThread.QRCODE_MODE: scan_hint.setText(R.string.scan_qrcode_hint); break; case DecodeThread.ALL_MODE: scan_hint.setText(R.string.scan_allcode_hint); break; } scanPreview = (SurfaceView) findViewById(R.id.capture_preview); scanContainer = findViewById(R.id.capture_container); scanCropView = findViewById(R.id.capture_crop_view); scanLine = (ImageView) findViewById(R.id.capture_scan_line); qrcode_g_gallery = (TextView) findViewById(R.id.qrcode_g_gallery); qrcode_g_gallery.setOnClickListener(this); qrcode_ic_back = (TextView) findViewById(R.id.qrcode_ic_back); qrcode_ic_back.setOnClickListener(this); iv_light = (TextView) findViewById(R.id.iv_light); iv_light.setOnClickListener(this); rescan.setOnClickListener(this); authorize_return.setOnClickListener(this); //??? scanManager = new ScanManager(this, scanPreview, scanContainer, scanCropView, scanLine, scanMode, this); } @Override public void onResume() { super.onResume(); scanManager.onResume(); rescan.setVisibility(View.INVISIBLE); scan_image.setVisibility(View.GONE); } @Override public void onPause() { super.onPause(); scanManager.onPause(); } /** * */ public void scanResult(Result rawResult, Bundle bundle) { //????????????reScan() //scanManager.reScan(); // Toast.makeText(that, "result="+rawResult.getText(), Toast.LENGTH_LONG).show(); if (!scanManager.isScanning()) { //????? //??? rescan.setVisibility(View.VISIBLE); scan_image.setVisibility(View.VISIBLE); Bitmap barcode = null; byte[] compressedBitmap = bundle.getByteArray(DecodeThread.BARCODE_BITMAP); if (compressedBitmap != null) { barcode = BitmapFactory.decodeByteArray(compressedBitmap, 0, compressedBitmap.length, null); barcode = barcode.copy(Bitmap.Config.ARGB_8888, true); } scan_image.setImageBitmap(barcode); } rescan.setVisibility(View.VISIBLE); scan_image.setVisibility(View.VISIBLE); tv_scan_result.setVisibility(View.VISIBLE); tv_scan_result.setText("" + rawResult.getText()); // Toast.makeText(this,""+rawResult.getText(),Toast.LENGTH_SHORT).show(); // result=rawResult.getText(); ScanResult.setResult(rawResult.getText()); finish(); Intent it = new Intent(this, ProductInfoActivity.class); startActivity(it); } void startScan() { if (rescan.getVisibility() == View.VISIBLE) { rescan.setVisibility(View.INVISIBLE); scan_image.setVisibility(View.GONE); scanManager.reScan(); } } @Override public void scanError(Exception e) { Toast.makeText(this, e.getMessage(), Toast.LENGTH_LONG).show(); //?? if (e.getMessage() != null && e.getMessage().startsWith("")) { scanPreview.setVisibility(View.INVISIBLE); } } public void showPictures(int requestCode) { Intent intent = new Intent(Intent.ACTION_PICK); intent.setType("image/*"); startActivityForResult(intent, requestCode); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); String photo_path; if (resultCode == RESULT_OK) { switch (requestCode) { case PHOTOREQUESTCODE: String[] proj = { MediaStore.Images.Media.DATA }; Cursor cursor = this.getContentResolver().query(data.getData(), proj, null, null, null); if (cursor.moveToFirst()) { int colum_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA); photo_path = cursor.getString(colum_index); if (photo_path == null) { photo_path = Utils.getPath(getApplicationContext(), data.getData()); } scanManager.scanningImage(photo_path); } } } } @Override public void onClick(View v) { Log.i("qin:", v.toString()); switch (v.getId()) { case R.id.qrcode_g_gallery: showPictures(PHOTOREQUESTCODE); break; case R.id.iv_light: scanManager.switchLight(); break; case R.id.qrcode_ic_back: finish(); break; case R.id.service_register_rescan://???? startScan(); break; case R.id.authorize_return: finish(); break; } } }