2 * Copyright (C) 2008 ZXing authors
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.google.zxing.client.androidtest;
19 import android.app.Activity;
20 import android.os.Bundle;
21 import android.os.Handler;
22 import android.os.Message;
23 import android.view.KeyEvent;
24 import android.view.SurfaceHolder;
25 import android.view.SurfaceView;
26 import android.view.Window;
27 import android.view.WindowManager;
28 import android.widget.Toast;
30 import java.io.IOException;
32 public final class CameraTestActivity extends Activity implements SurfaceHolder.Callback {
34 private SaveThread mSaveThread;
37 public void onCreate(Bundle icicle) {
38 super.onCreate(icicle);
39 requestWindowFeature(Window.FEATURE_NO_TITLE);
41 Window window = getWindow();
42 window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
43 window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
44 setContentView(R.layout.camera_test);
46 CameraManager.init(getApplication());
48 SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
49 SurfaceHolder surfaceHolder = surfaceView.getHolder();
50 surfaceHolder.addCallback(this);
51 surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
55 protected void onResume() {
57 if (mSaveThread == null) {
58 mSaveThread = new SaveThread(this, CameraManager.get().getFramingRect());
64 protected void onPause() {
67 CameraManager.get().stopPreview();
68 if (mSaveThread != null) {
69 Message quit = Message.obtain(mSaveThread.mHandler, R.id.quit);
73 } catch (InterruptedException e) {
77 CameraManager.get().closeDriver();
80 public final Handler mHandler = new Handler() {
82 public void handleMessage(Message message) {
83 switch (message.what) {
85 // Do not continuously auto focus
87 case R.id.save_succeeded:
88 Toast.makeText(CameraTestActivity.this, R.string.save_succeeded, 500).show();
90 case R.id.save_failed:
91 Toast.makeText(CameraTestActivity.this, R.string.save_failed, 2000).show();
98 public boolean onKeyDown(int keyCode, KeyEvent event) {
99 if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) {
100 if (event.getRepeatCount() == 0) {
101 CameraManager.get().requestAutoFocus(mHandler, R.id.auto_focus);
104 } else if (keyCode == KeyEvent.KEYCODE_CAMERA || keyCode == KeyEvent.KEYCODE_SEARCH) {
105 if (event.getRepeatCount() == 0) {
106 CameraManager.get().requestPreviewFrame(mSaveThread.mHandler, R.id.save);
110 return super.onKeyDown(keyCode, event);
113 public void surfaceCreated(SurfaceHolder holder) {
115 CameraManager.get().openDriver(holder);
116 } catch (IOException ioe) {
117 // IOException clause added for Android 1.5
118 throw new RuntimeException(ioe);
120 CameraManager.get().startPreview();
123 public void surfaceDestroyed(SurfaceHolder holder) {
127 public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {