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-rw-r--r--android/examples/CameraTest/AndroidManifest.xml19
-rw-r--r--android/examples/CameraTest/ant.properties17
-rw-r--r--android/examples/CameraTest/build.xml85
-rw-r--r--android/examples/CameraTest/proguard.cfg40
-rw-r--r--android/examples/CameraTest/project.properties11
-rw-r--r--android/examples/CameraTest/res/layout/main.xml28
-rw-r--r--android/examples/CameraTest/res/values/strings.xml4
-rw-r--r--android/examples/CameraTest/src/net/sourceforge/zbar/android/CameraTest/CameraPreview.java108
-rw-r--r--android/examples/CameraTest/src/net/sourceforge/zbar/android/CameraTest/CameraTestActivity.java155
9 files changed, 467 insertions, 0 deletions
diff --git a/android/examples/CameraTest/AndroidManifest.xml b/android/examples/CameraTest/AndroidManifest.xml
new file mode 100644
index 0000000..2bc2ae7
--- /dev/null
+++ b/android/examples/CameraTest/AndroidManifest.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="net.sourceforge.zbar.android.CameraTest"
+ android:versionCode="1"
+ android:versionName="1.0">
+ <uses-sdk android:minSdkVersion="8" />
+ <uses-permission android:name="android.permission.CAMERA" />
+ <uses-feature android:name="android.hardware.camera" />
+ <uses-feature android:name="android.hardware.camera.autofocus" />
+ <application android:label="@string/app_name" >
+ <activity android:name="CameraTestActivity"
+ android:label="@string/app_name">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+ </application>
+</manifest>
diff --git a/android/examples/CameraTest/ant.properties b/android/examples/CameraTest/ant.properties
new file mode 100644
index 0000000..ee52d86
--- /dev/null
+++ b/android/examples/CameraTest/ant.properties
@@ -0,0 +1,17 @@
+# This file is used to override default values used by the Ant build system.
+#
+# This file must be checked in Version Control Systems, as it is
+# integral to the build system of your project.
+
+# This file is only used by the Ant script.
+
+# You can use this to override default values such as
+# 'source.dir' for the location of your java source folder and
+# 'out.dir' for the location of your output folder.
+
+# You can also use it define how the release builds are signed by declaring
+# the following properties:
+# 'key.store' for the location of your keystore and
+# 'key.alias' for the name of the key to use.
+# The password will be asked during the build when you use the 'release' target.
+
diff --git a/android/examples/CameraTest/build.xml b/android/examples/CameraTest/build.xml
new file mode 100644
index 0000000..df1f293
--- /dev/null
+++ b/android/examples/CameraTest/build.xml
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project name="CameraTest" default="help">
+
+ <!-- The local.properties file is created and updated by the 'android' tool.
+ It contains the path to the SDK. It should *NOT* be checked into
+ Version Control Systems. -->
+ <property file="local.properties" />
+
+ <!-- The ant.properties file can be created by you. It is only edited by the
+ 'android' tool to add properties to it.
+ This is the place to change some Ant specific build properties.
+ Here are some properties you may want to change/update:
+
+ source.dir
+ The name of the source directory. Default is 'src'.
+ out.dir
+ The name of the output directory. Default is 'bin'.
+
+ For other overridable properties, look at the beginning of the rules
+ files in the SDK, at tools/ant/build.xml
+
+ Properties related to the SDK location or the project target should
+ be updated using the 'android' tool with the 'update' action.
+
+ This file is an integral part of the build system for your
+ application and should be checked into Version Control Systems.
+
+ -->
+ <property file="ant.properties" />
+
+ <!-- The project.properties file is created and updated by the 'android'
+ tool, as well as ADT.
+
+ This contains project specific properties such as project target, and library
+ dependencies. Lower level build properties are stored in ant.properties
+ (or in .classpath for Eclipse projects).
+
+ This file is an integral part of the build system for your
+ application and should be checked into Version Control Systems. -->
+ <loadproperties srcFile="project.properties" />
+
+ <!-- quick check on sdk.dir -->
+ <fail
+ message="sdk.dir is missing. Make sure to generate local.properties using 'android update project' or to inject it through an env var"
+ unless="sdk.dir"
+ />
+
+
+<!-- extension targets. Uncomment the ones where you want to do custom work
+ in between standard targets -->
+<!--
+ <target name="-pre-build">
+ </target>
+ <target name="-pre-compile">
+ </target>
+
+ /* This is typically used for code obfuscation.
+ Compiled code location: ${out.classes.absolute.dir}
+ If this is not done in place, override ${out.dex.input.absolute.dir} */
+ <target name="-post-compile">
+ </target>
+-->
+
+ <!-- Import the actual build file.
+
+ To customize existing targets, there are two options:
+ - Customize only one target:
+ - copy/paste the target into this file, *before* the
+ <import> task.
+ - customize it to your needs.
+ - Customize the whole content of build.xml
+ - copy/paste the content of the rules files (minus the top node)
+ into this file, replacing the <import> task.
+ - customize to your needs.
+
+ ***********************
+ ****** IMPORTANT ******
+ ***********************
+ In all cases you must update the value of version-tag below to read 'custom' instead of an integer,
+ in order to avoid having your file be overridden by tools such as "android update project"
+ -->
+ <!-- version-tag: 1 -->
+ <import file="${sdk.dir}/tools/ant/build.xml" />
+
+</project>
diff --git a/android/examples/CameraTest/proguard.cfg b/android/examples/CameraTest/proguard.cfg
new file mode 100644
index 0000000..b1cdf17
--- /dev/null
+++ b/android/examples/CameraTest/proguard.cfg
@@ -0,0 +1,40 @@
+-optimizationpasses 5
+-dontusemixedcaseclassnames
+-dontskipnonpubliclibraryclasses
+-dontpreverify
+-verbose
+-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*
+
+-keep public class * extends android.app.Activity
+-keep public class * extends android.app.Application
+-keep public class * extends android.app.Service
+-keep public class * extends android.content.BroadcastReceiver
+-keep public class * extends android.content.ContentProvider
+-keep public class * extends android.app.backup.BackupAgentHelper
+-keep public class * extends android.preference.Preference
+-keep public class com.android.vending.licensing.ILicensingService
+
+-keepclasseswithmembernames class * {
+ native <methods>;
+}
+
+-keepclasseswithmembers class * {
+ public <init>(android.content.Context, android.util.AttributeSet);
+}
+
+-keepclasseswithmembers class * {
+ public <init>(android.content.Context, android.util.AttributeSet, int);
+}
+
+-keepclassmembers class * extends android.app.Activity {
+ public void *(android.view.View);
+}
+
+-keepclassmembers enum * {
+ public static **[] values();
+ public static ** valueOf(java.lang.String);
+}
+
+-keep class * implements android.os.Parcelable {
+ public static final android.os.Parcelable$Creator *;
+}
diff --git a/android/examples/CameraTest/project.properties b/android/examples/CameraTest/project.properties
new file mode 100644
index 0000000..8da376a
--- /dev/null
+++ b/android/examples/CameraTest/project.properties
@@ -0,0 +1,11 @@
+# This file is automatically generated by Android Tools.
+# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
+#
+# This file must be checked in Version Control Systems.
+#
+# To customize properties used by the Ant build system use,
+# "ant.properties", and override values to adapt the script to your
+# project structure.
+
+# Project target.
+target=android-15
diff --git a/android/examples/CameraTest/res/layout/main.xml b/android/examples/CameraTest/res/layout/main.xml
new file mode 100644
index 0000000..36279a1
--- /dev/null
+++ b/android/examples/CameraTest/res/layout/main.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent">
+
+ <FrameLayout
+ android:id="@+id/cameraPreview"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:layout_weight="1"
+ />
+
+ <TextView
+ android:id="@+id/scanText"
+ android:text="Scanning..."
+ android:layout_height="wrap_content"
+ android:layout_width="match_parent">
+ </TextView>
+ <Button
+ android:id="@+id/ScanButton"
+ android:text="Scan"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_gravity="center"
+ />
+</LinearLayout>
diff --git a/android/examples/CameraTest/res/values/strings.xml b/android/examples/CameraTest/res/values/strings.xml
new file mode 100644
index 0000000..c1b70c2
--- /dev/null
+++ b/android/examples/CameraTest/res/values/strings.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+ <string name="app_name">ZBar CameraTest</string>
+</resources>
diff --git a/android/examples/CameraTest/src/net/sourceforge/zbar/android/CameraTest/CameraPreview.java b/android/examples/CameraTest/src/net/sourceforge/zbar/android/CameraTest/CameraPreview.java
new file mode 100644
index 0000000..41efe68
--- /dev/null
+++ b/android/examples/CameraTest/src/net/sourceforge/zbar/android/CameraTest/CameraPreview.java
@@ -0,0 +1,108 @@
+/*
+ * Barebones implementation of displaying camera preview.
+ *
+ * Created by lisah0 on 2012-02-24
+ */
+package net.sourceforge.zbar.android.CameraTest;
+
+import java.io.IOException;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+import android.util.Log;
+
+import android.view.View;
+import android.view.Surface;
+import android.view.SurfaceView;
+import android.view.SurfaceHolder;
+
+import android.content.Context;
+
+import android.hardware.Camera;
+import android.hardware.Camera.PreviewCallback;
+import android.hardware.Camera.AutoFocusCallback;
+import android.hardware.Camera.Parameters;
+
+/** A basic Camera preview class */
+public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback {
+ private SurfaceHolder mHolder;
+ private Camera mCamera;
+ private PreviewCallback previewCallback;
+ private AutoFocusCallback autoFocusCallback;
+
+ public CameraPreview(Context context, Camera camera,
+ PreviewCallback previewCb,
+ AutoFocusCallback autoFocusCb) {
+ super(context);
+ mCamera = camera;
+ previewCallback = previewCb;
+ autoFocusCallback = autoFocusCb;
+
+ /*
+ * Set camera to continuous focus if supported, otherwise use
+ * software auto-focus. Only works for API level >=9.
+ */
+ /*
+ Camera.Parameters parameters = camera.getParameters();
+ for (String f : parameters.getSupportedFocusModes()) {
+ if (f == Parameters.FOCUS_MODE_CONTINUOUS_PICTURE) {
+ mCamera.setFocusMode(Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
+ autoFocusCallback = null;
+ break;
+ }
+ }
+ */
+
+ // Install a SurfaceHolder.Callback so we get notified when the
+ // underlying surface is created and destroyed.
+ mHolder = getHolder();
+ mHolder.addCallback(this);
+
+ // deprecated setting, but required on Android versions prior to 3.0
+ mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
+ }
+
+ public void surfaceCreated(SurfaceHolder holder) {
+ // The Surface has been created, now tell the camera where to draw the preview.
+ try {
+ mCamera.setPreviewDisplay(holder);
+ } catch (IOException e) {
+ Log.d("DBG", "Error setting camera preview: " + e.getMessage());
+ }
+ }
+
+ public void surfaceDestroyed(SurfaceHolder holder) {
+ // Camera preview released in activity
+ }
+
+ public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
+ /*
+ * If your preview can change or rotate, take care of those events here.
+ * Make sure to stop the preview before resizing or reformatting it.
+ */
+ if (mHolder.getSurface() == null){
+ // preview surface does not exist
+ return;
+ }
+
+ // stop preview before making changes
+ try {
+ mCamera.stopPreview();
+ } catch (Exception e){
+ // ignore: tried to stop a non-existent preview
+ }
+
+ try {
+ // Hard code camera surface rotation 90 degs to match Activity view in portrait
+ mCamera.setDisplayOrientation(90);
+
+ mCamera.setPreviewDisplay(mHolder);
+ mCamera.setPreviewCallback(previewCallback);
+ mCamera.startPreview();
+ mCamera.autoFocus(autoFocusCallback);
+ } catch (Exception e){
+ Log.d("DBG", "Error starting camera preview: " + e.getMessage());
+ }
+ }
+}
diff --git a/android/examples/CameraTest/src/net/sourceforge/zbar/android/CameraTest/CameraTestActivity.java b/android/examples/CameraTest/src/net/sourceforge/zbar/android/CameraTest/CameraTestActivity.java
new file mode 100644
index 0000000..e20bcad
--- /dev/null
+++ b/android/examples/CameraTest/src/net/sourceforge/zbar/android/CameraTest/CameraTestActivity.java
@@ -0,0 +1,155 @@
+/*
+ * Basic no frills app which integrates the ZBar barcode scanner with
+ * the camera.
+ *
+ * Created by lisah0 on 2012-02-24
+ */
+package net.sourceforge.zbar.android.CameraTest;
+
+import net.sourceforge.zbar.android.CameraTest.CameraPreview;
+
+import android.app.Activity;
+import android.content.pm.ActivityInfo;
+import android.os.Bundle;
+import android.os.Handler;
+import android.util.Log;
+
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.Window;
+import android.widget.FrameLayout;
+import android.widget.Button;
+
+import android.hardware.Camera;
+import android.hardware.Camera.PreviewCallback;
+import android.hardware.Camera.AutoFocusCallback;
+import android.hardware.Camera.Parameters;
+import android.hardware.Camera.Size;
+
+import android.widget.TextView;
+import android.graphics.ImageFormat;
+
+/* Import ZBar Class files */
+import net.sourceforge.zbar.ImageScanner;
+import net.sourceforge.zbar.Image;
+import net.sourceforge.zbar.Symbol;
+import net.sourceforge.zbar.SymbolSet;
+import net.sourceforge.zbar.Config;
+
+public class CameraTestActivity extends Activity
+{
+ private Camera mCamera;
+ private CameraPreview mPreview;
+ private Handler autoFocusHandler;
+
+ TextView scanText;
+ Button scanButton;
+
+ ImageScanner scanner;
+
+ private boolean barcodeScanned = false;
+ private boolean previewing = true;
+
+ static {
+ System.loadLibrary("iconv");
+ }
+
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ setContentView(R.layout.main);
+
+ setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+
+ autoFocusHandler = new Handler();
+ mCamera = getCameraInstance();
+
+ /* Instance barcode scanner */
+ scanner = new ImageScanner();
+ scanner.setConfig(0, Config.X_DENSITY, 3);
+ scanner.setConfig(0, Config.Y_DENSITY, 3);
+
+ mPreview = new CameraPreview(this, mCamera, previewCb, autoFocusCB);
+ FrameLayout preview = (FrameLayout)findViewById(R.id.cameraPreview);
+ preview.addView(mPreview);
+
+ scanText = (TextView)findViewById(R.id.scanText);
+
+ scanButton = (Button)findViewById(R.id.ScanButton);
+
+ scanButton.setOnClickListener(new OnClickListener() {
+ public void onClick(View v) {
+ if (barcodeScanned) {
+ barcodeScanned = false;
+ scanText.setText("Scanning...");
+ mCamera.setPreviewCallback(previewCb);
+ mCamera.startPreview();
+ previewing = true;
+ mCamera.autoFocus(autoFocusCB);
+ }
+ }
+ });
+ }
+
+ public void onPause() {
+ super.onPause();
+ releaseCamera();
+ }
+
+ /** A safe way to get an instance of the Camera object. */
+ public static Camera getCameraInstance(){
+ Camera c = null;
+ try {
+ c = Camera.open();
+ } catch (Exception e){
+ }
+ return c;
+ }
+
+ private void releaseCamera() {
+ if (mCamera != null) {
+ previewing = false;
+ mCamera.setPreviewCallback(null);
+ mCamera.release();
+ mCamera = null;
+ }
+ }
+
+ private Runnable doAutoFocus = new Runnable() {
+ public void run() {
+ if (previewing)
+ mCamera.autoFocus(autoFocusCB);
+ }
+ };
+
+ PreviewCallback previewCb = new PreviewCallback() {
+ public void onPreviewFrame(byte[] data, Camera camera) {
+ Camera.Parameters parameters = camera.getParameters();
+ Size size = parameters.getPreviewSize();
+
+ Image barcode = new Image(size.width, size.height, "Y800");
+ barcode.setData(data);
+
+ int result = scanner.scanImage(barcode);
+
+ if (result != 0) {
+ previewing = false;
+ mCamera.setPreviewCallback(null);
+ mCamera.stopPreview();
+
+ SymbolSet syms = scanner.getResults();
+ for (Symbol sym : syms) {
+ scanText.setText("barcode result " + sym.getData());
+ barcodeScanned = true;
+ }
+ }
+ }
+ };
+
+ // Mimic continuous auto-focusing
+ AutoFocusCallback autoFocusCB = new AutoFocusCallback() {
+ public void onAutoFocus(boolean success, Camera camera) {
+ autoFocusHandler.postDelayed(doAutoFocus, 1000);
+ }
+ };
+}