+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.google.zxing.client.android;
-
-import android.app.Activity;
-import android.content.Context;
-import android.content.Intent;
-import android.graphics.PixelFormat;
-import android.media.MediaPlayer;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.Message;
-import android.view.KeyEvent;
-import android.view.Menu;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.Window;
-import android.view.WindowManager.LayoutParams;
-import android.widget.TextView;
-import com.google.zxing.Result;
-import com.google.zxing.ResultPoint;
-import com.google.zxing.client.result.ParsedReaderResult;
-import com.google.zxing.client.result.ParsedReaderResultType;
-
-/**
- * The barcode reader activity itself. This is loosely based on the CameraPreview
- * example included in the Android SDK.
- *
- * @author dswitkin@google.com (Daniel Switkin)
- * @author Android Team (for CameraPreview example)
- */
-public final class BarcodeReaderCaptureActivity extends Activity {
-
- private CameraManager cameraManager;
- private CameraSurfaceView surfaceView;
- private CameraThread cameraThread;
- private String lastResult;
-
- private static final int ABOUT_ID = Menu.FIRST;
- private static final int HELP_ID = Menu.FIRST + 1;
-
- @Override
- public void onCreate(Bundle icicle) {
- super.onCreate(icicle);
- requestWindowFeature(Window.FEATURE_NO_TITLE);
-
- // Make sure to create a TRANSLUCENT window. This is required for SurfaceView to work.
- // Eventually this'll be done by the system automatically.
- getWindow().setAttributes(new LayoutParams(LayoutParams.APPLICATION_TYPE,
- LayoutParams.NO_STATUS_BAR_FLAG));
- getWindow().setFormat(PixelFormat.TRANSLUCENT);
-
- setContentView(R.layout.main);
-
- cameraManager = new CameraManager(getApplication());
- surfaceView = new CameraSurfaceView(getApplication(), cameraManager);
- surfaceView.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
- LayoutParams.FILL_PARENT));
-
- ViewGroup previewView = (ViewGroup) findViewById(R.id.preview_view);
- previewView.addView(surfaceView);
- cameraThread = null;
-
- // TODO re-enable this when issues with Matrix.setPolyToPoly() are resolved
- //GridSampler.setGridSampler(new AndroidGraphicsGridSampler());
- }
-
- @Override
- protected boolean isFullscreenOpaque() {
- // Our main window is set to translucent, but we know that we will
- // fill it with opaque data. Tell the system that so it can perform
- // some important optimizations.
- return true;
- }
-
- @Override
- protected void onResume() {
- super.onResume();
- resetStatusView();
- cameraManager.openDriver();
- if (cameraThread == null) {
- cameraThread = new CameraThread(this, surfaceView, cameraManager, messageHandler);
- cameraThread.start();
- }
- }
-
- @Override
- protected void onPause() {
- super.onPause();
- if (cameraThread != null) {
- cameraThread.quitSynchronously();
- cameraThread = null;
- }
- cameraManager.closeDriver();
- }
-
- @Override
- public boolean onKeyDown(int keyCode, KeyEvent event) {
- switch (keyCode) {
- case KeyEvent.KEYCODE_A:
- cameraThread.setDecodeAllMode();
- break;
- case KeyEvent.KEYCODE_C:
- Message save = Message.obtain(cameraThread.handler, R.id.save);
- save.sendToTarget();
- break;
- case KeyEvent.KEYCODE_P:
- cameraManager.setUsePreviewForDecode(true);
- break;
- case KeyEvent.KEYCODE_Q:
- cameraThread.setDecodeQRMode();
- break;
- case KeyEvent.KEYCODE_S:
- cameraManager.setUsePreviewForDecode(false);
- break;
- case KeyEvent.KEYCODE_T:
- cameraThread.toggleTracing();
- break;
- case KeyEvent.KEYCODE_U:
- cameraThread.setDecode1DMode();
- break;
- default:
- return super.onKeyDown(keyCode, event);
- }
- return true;
- }
-
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- super.onCreateOptionsMenu(menu);
- menu.add(0, ABOUT_ID, R.string.menu_about);
- menu.add(0, HELP_ID, R.string.menu_help);
- return true;
- }
-
- @Override
- public boolean onOptionsItemSelected(Menu.Item item) {
- Context context = getApplication();
- switch (item.getId()) {
- case ABOUT_ID:
- showAlert(context.getString(R.string.title_about),
- context.getString(R.string.msg_about),
- context.getString(R.string.button_ok), null, true, null);
- break;
- case HELP_ID:
- showAlert(context.getString(R.string.title_help),
- context.getString(R.string.msg_help),
- context.getString(R.string.button_ok), null, true, null);
- break;
- }
- return super.onOptionsItemSelected(item);
- }
-
- private final Handler messageHandler = new Handler() {
- @Override
- public void handleMessage(Message message) {
- switch (message.what) {
- case R.id.decode_succeeded:
- int duration = message.arg1;
- handleDecode((Result) message.obj, duration);
- break;
- case R.id.restart_preview:
- restartPreview();
- break;
- }
- }
- };
-
- void restartPreview() {
- resetStatusViewColor();
- Message restart = Message.obtain(cameraThread.handler, R.id.restart_preview);
- restart.sendToTarget();
- }
-
- private void handleDecode(Result rawResult, int duration) {
- if (!rawResult.toString().equals(lastResult)) {
- lastResult = rawResult.toString();
- playBeepSound();
-
- ResultPoint[] points = rawResult.getResultPoints();
- if (points != null && points.length > 0) {
- surfaceView.drawResultPoints(points);
- }
-
- TextView textView = (TextView) findViewById(R.id.status_text_view);
- ParsedReaderResult readerResult = parseReaderResult(rawResult);
- textView.setText(readerResult.getDisplayResult() + " (" + duration + " ms)");
-
- TextView actionButton = (TextView) findViewById(R.id.status_action_button);
- int buttonText = getActionButtonText(readerResult.getType());
- if (buttonText != 0) {
- actionButton.setVisibility(View.VISIBLE);
- actionButton.setText(buttonText);
- View.OnClickListener handler = new ResultHandler(this, readerResult);
- actionButton.setOnClickListener(handler);
- actionButton.requestFocus();
- } else {
- actionButton.setVisibility(View.GONE);
- }
-
- View statusView = findViewById(R.id.status_view);
- statusView.setBackgroundColor(0xc000ff00);
-
- // Show the green finder patterns for one second, then restart the preview
- Message message = Message.obtain(messageHandler, R.id.restart_preview);
- messageHandler.sendMessageDelayed(message, 1000);
- } else {
- restartPreview();
- }
- }
-
- private void playBeepSound() {
- MediaPlayer mediaPlayer = MediaPlayer.create(this, R.raw.beep);
- mediaPlayer.prepare();
- mediaPlayer.start();
- }
-
- private void resetStatusView() {
- resetStatusViewColor();
- TextView textView = (TextView) findViewById(R.id.status_text_view);
- textView.setText(R.string.msg_default_status);
- View actionButton = findViewById(R.id.status_action_button);
- actionButton.setVisibility(View.GONE);
- lastResult = "";
- }
-
- private void resetStatusViewColor() {
- View statusView = findViewById(R.id.status_view);
- statusView.setBackgroundColor(0x50000000);
- }
-
- private static ParsedReaderResult parseReaderResult(Result rawResult) {
- ParsedReaderResult readerResult = ParsedReaderResult.parseReaderResult(rawResult);
- if (readerResult.getType().equals(ParsedReaderResultType.TEXT)) {
- String rawText = rawResult.getText();
- AndroidIntentParsedResult androidResult = AndroidIntentParsedResult.parse(rawText);
- if (androidResult != null) {
- Intent intent = androidResult.getIntent();
- if (!Intent.VIEW_ACTION.equals(intent.getAction())) {
- // For now, don't take anything that just parses as a View action. A lot
- // of things are accepted as a View action by default.
- readerResult = androidResult;
- }
- }
- }
- return readerResult;
- }
-
- private static int getActionButtonText(ParsedReaderResultType type) {
- int buttonText;
- if (type.equals(ParsedReaderResultType.ADDRESSBOOK)) {
- buttonText = R.string.button_add_contact;
- } else if (type.equals(ParsedReaderResultType.URI) ||
- type.equals(ParsedReaderResultType.BOOKMARK) ||
- type.equals(ParsedReaderResultType.URLTO)) {
- buttonText = R.string.button_open_browser;
- } else if (type.equals(ParsedReaderResultType.EMAIL) ||
- type.equals(ParsedReaderResultType.EMAIL_ADDRESS)) {
- buttonText = R.string.button_email;
- } else if (type.equals(ParsedReaderResultType.UPC)) {
- buttonText = R.string.button_lookup_product;
- } else if (type.equals(ParsedReaderResultType.TEL)) {
- buttonText = R.string.button_dial;
- } else if (type.equals(ParsedReaderResultType.GEO)) {
- buttonText = R.string.button_show_map;
- } else {
- buttonText = 0;
- }
- return buttonText;
- }
-
-}
\ No newline at end of file
projects / zxing.git / blobdiff