/* * 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.example.dm.myapplication.find.zxing.activity; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.Rect; import android.net.Uri; import android.os.Bundle; import android.os.Handler; import android.util.Log; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.view.animation.Animation; import android.view.animation.TranslateAnimation; import android.widget.Button; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.RelativeLayout; import com.bumptech.glide.Glide; import com.bumptech.glide.request.animation.GlideAnimation; import com.bumptech.glide.request.target.SimpleTarget; import com.example.dm.myapplication.R; import com.example.dm.myapplication.find.FindGenerateCodeAty; import com.example.dm.myapplication.find.FindScanResultAty; import com.example.dm.myapplication.find.zxing.camera.CameraManager; import com.example.dm.myapplication.find.zxing.decode.DecodeThread; import com.example.dm.myapplication.find.zxing.decode.DecodeUtils; import com.example.dm.myapplication.find.zxing.utils.CaptureActivityHandler; import com.example.dm.myapplication.find.zxing.utils.InactivityTimer; import com.example.dm.myapplication.utiltools.AudioPlayer; import com.example.dm.myapplication.utiltools.SystemUtils; import com.google.zxing.Result; import java.io.IOException; import java.lang.reflect.Field; /** * This activity opens the camera and does the actual scanning on a background * thread. It draws a viewfinder to help the user place the barcode correctly, * shows feedback as the image processing is happening, and then overlays the * results when a scan is successful. * * @author [email protected] (Daniel Switkin) * @author Sean Owen */ public final class CaptureActivity extends Activity implements SurfaceHolder.Callback, View.OnClickListener { private static final String TAG = "CaptureActivity"; public static final String SCAN_RESULT = "scan_result"; public static final String SCAN_TYPE = "scan_type"; private static final int SCAN_CODE_ALBUM_1 = 1; private static final int SCAN_CODE_CROP_2 = 2; private CameraManager cameraManager; private CaptureActivityHandler handler; private InactivityTimer inactivityTimer; private SurfaceView scanPreview = null; private RelativeLayout scanContainer; private RelativeLayout scanCropView; private ImageView scanLine; private Rect mCropRect = null; private boolean isHasSurface = false; public Handler getHandler() { return handler; } public CameraManager getCameraManager() { return cameraManager; } private ImageButton mTtitleBackIbtn; private Button mGenerateBtn; private ImageView mLightImv; private Button mAlbumBtn; private boolean mIsLightOpen; private String qrCodePathStr; @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); Window window = getWindow(); window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); setContentView(R.layout.activity_capture); scanPreview = (SurfaceView) findViewById(R.id.capture_preview); scanContainer = (RelativeLayout) findViewById(R.id.capture_container); scanCropView = (RelativeLayout) findViewById(R.id.capture_crop_view); scanLine = (ImageView) findViewById(R.id.capture_scan_line); inactivityTimer = new InactivityTimer(this); TranslateAnimation animation = new TranslateAnimation(Animation.RELATIVE_TO_PARENT, 0.0f, Animation .RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.9f); animation.setDuration(4500); animation.setRepeatCount(-1); animation.setRepeatMode(Animation.RESTART); scanLine.startAnimation(animation); initButton(); } private void initButton() { mTtitleBackIbtn = (ImageButton) findViewById(R.id.scan_title_left_imv); mGenerateBtn = (Button) findViewById(R.id.find_scan_generate_btn); mLightImv = (ImageView) findViewById(R.id.find_scan_light_btn); mAlbumBtn = (Button) findViewById(R.id.find_scan_album_btn); mTtitleBackIbtn.setOnClickListener(CaptureActivity.this); mGenerateBtn.setOnClickListener(CaptureActivity.this); mLightImv.setOnClickListener(CaptureActivity.this); mAlbumBtn.setOnClickListener(CaptureActivity.this); } @Override protected void onResume() { super.onResume(); // CameraManager must be initialized here, not in onCreate(). This is // necessary because we don't // want to open the camera driver and measure the screen size if we're // going to show the help on // first launch. That led to bugs where the scanning rectangle was the // wrong size and partially // off screen. cameraManager = new CameraManager(getApplication()); handler = null; if (isHasSurface) { // The activity was paused but not stopped, so the surface still // exists. Therefore // surfaceCreated() won't be called, so init the camera here. initCamera(scanPreview.getHolder()); } else { // Install the callback and wait for surfaceCreated() to init the // camera. scanPreview.getHolder().addCallback(this); } inactivityTimer.onResume(); } @Override protected void onPause() { if (handler != null) { handler.quitSynchronously(); handler = null; } inactivityTimer.onPause(); cameraManager.closeDriver(); if (!isHasSurface) { scanPreview.getHolder().removeCallback(this); } super.onPause(); } @Override protected void onDestroy() { inactivityTimer.shutdown(); super.onDestroy(); offLight(); } @Override public void surfaceCreated(SurfaceHolder holder) { if (holder == null) { Log.e(TAG, "*** WARNING *** surfaceCreated() gave us a null surface!"); } if (!isHasSurface) { isHasSurface = true; initCamera(holder); } } @Override public void surfaceDestroyed(SurfaceHolder holder) { isHasSurface = false; } @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { } /** * A valid barcode has been found, so give an indication of success and show * the results. * * @param rawResult The contents of the barcode. * @param bundle The extras */ public void handleDecode(Result rawResult, Bundle bundle) { inactivityTimer.onActivity(); if (rawResult == null) { SystemUtils.showHandlerToast(CaptureActivity.this, "未发现二维码/条形码"); } // beepManager.playBeepSoundAndVibrate(); AudioPlayer.getInstance(this).playRaw(R.raw.scan, false, false); operateResult(rawResult); } private void operateResult(Result rawResult) { String codeType = rawResult.getBarcodeFormat().toString(); String scanResult = rawResult.getText(); // 二维码 if ("QR_CODE".equals(codeType) || "DATA_MATRIX".equals(codeType)) { boolean isUrl = SystemUtils.checkWebSite(scanResult); // 不是标准网址 if (!isUrl) { // 如果是没有添加协议的网址 if (SystemUtils.checkWebSitePath(scanResult)) { scanResult = "http://" + scanResult; isUrl = true; } } // 扫描结果为网址 if (isUrl) { try { Intent intent = new Intent("android.intent.action.VIEW"); Uri uri = Uri.parse(scanResult); intent.setData(uri); ActivityFinish(intent); } catch (Exception e) { Log.e(TAG, "handleDecode: " + e.toString()); displayResult(scanResult, 0); } } else { displayResult(scanResult, 0); } // 条形码 } else if ("EAN_13".equals(codeType)) { displayResult(scanResult, 1); } else { SystemUtils.showShortToast(CaptureActivity.this, "未发现二维码/条形码"); } } private void displayResult(String scanResult, int type) { Intent intent = new Intent(CaptureActivity.this, FindScanResultAty.class); intent.putExtra(SCAN_RESULT, scanResult); intent.putExtra(SCAN_TYPE, type); ActivityFinish(intent); } private void ActivityFinish(Intent intent) { startActivity(intent); overridePendingTransition(R.anim.zoomin, 0); finish(); overridePendingTransition(0, 0); } private void initCamera(SurfaceHolder surfaceHolder) { if (surfaceHolder == null) { throw new IllegalStateException("No SurfaceHolder provided"); } if (cameraManager.isOpen()) { Log.w(TAG, "initCamera() while already open -- late SurfaceView callback?"); return; } try { cameraManager.openDriver(surfaceHolder); // Creating the handler starts the preview, which can also throw a // RuntimeException. if (handler == null) { handler = new CaptureActivityHandler(this, cameraManager, DecodeThread.ALL_MODE); } initCrop(); } catch (IOException ioe) { Log.w(TAG, ioe); displayFrameworkBugMessageAndExit(); } catch (RuntimeException e) { // Barcode Scanner has seen crashes in the wild of this variety: // java.?lang.?RuntimeException: Fail to connect to camera service Log.w(TAG, "Unexpected error initializing camera", e); displayFrameworkBugMessageAndExit(); } } private void displayFrameworkBugMessageAndExit() { // camera error AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle(getString(R.string.app_name)); builder.setMessage("Camera error"); builder.setPositiveButton("OK", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { finish(); } }); builder.setOnCancelListener(new DialogInterface.OnCancelListener() { @Override public void onCancel(DialogInterface dialog) { finish(); } }); builder.show(); } public void restartPreviewAfterDelay(long delayMS) { if (handler != null) { handler.sendEmptyMessageDelayed(R.id.restart_preview, delayMS); } } public Rect getCropRect() { return mCropRect; } /** * 初始化截取的矩形区域 */ private void initCrop() { int cameraWidth = cameraManager.getCameraResolution().y; int cameraHeight = cameraManager.getCameraResolution().x; /** 获取布局中扫描框的位置信息 */ int[] location = new int[2]; scanCropView.getLocationInWindow(location); int cropLeft = location[0]; int cropTop = location[1] - getStatusBarHeight(); int cropWidth = scanCropView.getWidth(); int cropHeight = scanCropView.getHeight(); /** 获取布局容器的宽高 */ int containerWidth = scanContainer.getWidth(); int containerHeight = scanContainer.getHeight(); /** 计算最终截取的矩形的左上角顶点x坐标 */ int x = cropLeft * cameraWidth / containerWidth; /** 计算最终截取的矩形的左上角顶点y坐标 */ int y = cropTop * cameraHeight / containerHeight; /** 计算最终截取的矩形的宽度 */ int width = cropWidth * cameraWidth / containerWidth; /** 计算最终截取的矩形的高度 */ int height = cropHeight * cameraHeight / containerHeight; /** 生成最终的截取的矩形 */ mCropRect = new Rect(x, y, width + x, height + y); } private int getStatusBarHeight() { try { Class<?> c = Class.forName("com.android.internal.R$dimen"); Object obj = c.newInstance(); Field field = c.getField("status_bar_height"); int x = Integer.parseInt(field.get(obj).toString()); Log.d(TAG, "getResources().getDimensionPixelSize(x) = " + getResources().getDimensionPixelSize(x)); return getResources().getDimensionPixelSize(x); } catch (Exception e) { e.printStackTrace(); } return 0; } /** * 开关灯 */ private void operateLight() { if (!mIsLightOpen) { cameraManager.openLight(); mIsLightOpen = true; mLightImv.setImageResource(R.drawable.light_pressed); } else { cameraManager.offLight(); mIsLightOpen = false; mLightImv.setImageResource(R.drawable.light_normal); } } /** * 关灯 */ private void offLight() { if (mIsLightOpen) { cameraManager.offLight(); mIsLightOpen = false; mLightImv.setImageResource(R.drawable.light_normal); } } @Override public void onClick(View view) { switch (view.getId()) { case R.id.scan_title_left_imv: CaptureActivity.this.finish(); break; case R.id.find_scan_generate_btn: startActivity(new Intent(CaptureActivity.this, FindGenerateCodeAty.class)); break; case R.id.find_scan_light_btn: operateLight(); break; case R.id.find_scan_album_btn: offLight(); Intent intentAlbum = new Intent(Intent.ACTION_GET_CONTENT); intentAlbum.addCategory(Intent.CATEGORY_OPENABLE); intentAlbum.setType("image/*"); intentAlbum.putExtra("return-data", true); startActivityForResult(intentAlbum, SCAN_CODE_ALBUM_1); overridePendingTransition(R.anim.zoomin, 0); break; } } /** * 从相册返回扫描结果 * * @param uri 图片地址 */ private void operateAlbumScanResult(Uri uri) { int myWidth = getResources().getDisplayMetrics().widthPixels; int myHeight = getResources().getDisplayMetrics().heightPixels; Glide.with(CaptureActivity.this) .load(uri) .asBitmap() .into(new SimpleTarget<Bitmap>(myWidth, myHeight) { @Override public void onResourceReady(Bitmap resource, GlideAnimation<? super Bitmap> glideAnimation) { Result resultZxing = new DecodeUtils(DecodeUtils.DECODE_DATA_MODE_ALL) .decodeWithZxing(resource); Log.i(TAG, "resultZxing >> " + resultZxing); if (resultZxing != null) { handleDecode(resultZxing, null); } else { SystemUtils.showHandlerToast(CaptureActivity.this, "未发现二维码/条形码"); } } }); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode == RESULT_OK) { switch (requestCode) { case SCAN_CODE_ALBUM_1: // 从uri获取选择相册返回的图片地址 Uri uri = data.getData(); Log.i(TAG, "uri >> " + uri); operateAlbumScanResult(uri); break; } } } }