Add Fragment-friendly integration and bump requirement to Android 4.0 to build (not to use) since that's the only thing available in Maven beyond 2.x

git-svn-id: https://zxing.googlecode.com/svn/trunk@2119 59b500cc-1b3d-0410-9834-0bbf25fbcc57

android-integration/build.xml

@@ -35,7 +35,7 @@
            deprecation="true"
            includeantruntime="false">
       <classpath>
-        <pathelement location="${android-home}/platforms/android-7/android.jar"/>
+        <pathelement location="${android-home}/platforms/android-15/android.jar"/>
       </classpath>
     </javac>
     <jar jarfile="android-integration.jar" basedir="build"/>

android-integration/pom.xml

@@ -60,7 +60,7 @@
       <groupId>com.google.android</groupId>
       <artifactId>android</artifactId>
       <scope>provided</scope>
-      <version>2.1.2</version>
+      <version>4.0.1.2</version>
     </dependency>
   </dependencies>
   <build>

android-integration/src/com/google/zxing/integration/android/IntentIntegrator.java

@@ -92,7 +92,7 @@ import android.util.Log;
  * @author Brad Drehmer
  * @author gcstang
  */
-public final class IntentIntegrator {
+public class IntentIntegrator {
 
   public static final int REQUEST_CODE = 0x0000c0de; // Only use bottom 16 bits
   private static final String TAG = IntentIntegrator.class.getSimpleName();
@@ -235,9 +235,23 @@ public final class IntentIntegrator {
     intentScan.setPackage(targetAppPackage);
     intentScan.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
     intentScan.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
-    activity.startActivityForResult(intentScan, REQUEST_CODE);
+    startActivityForResult(intentScan, REQUEST_CODE);
     return null;
   }
+
+  /**
+   * Start an activity.<br>
+   * This method is defined to allow different methods of activity starting for
+   * newer versions of Android and for compatibility library.
+   *
+   * @param intent Intent to start.
+   * @param code Request code for the activity
+   * @see android.app.Activity#startActivityForResult(Intent, int)
+   * @see android.app.Fragment#startActivityForResult(Intent, int)
+   */
+  protected void startActivityForResult(Intent intent, int code) {
+    activity.startActivityForResult(intent, code);
+  }
   
   private String findTargetAppPackage(Intent intent) {
     PackageManager pm = activity.getPackageManager();

android-integration/src/com/google/zxing/integration/android/IntentIntegratorV30.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2012 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.google.zxing.integration.android;
+
+import android.app.Fragment;
+import android.content.Intent;
+
+/**
+ * IntentIntegrator for Android version 3.0 and beyond.
+ * 
+ * @author Lachezar Dobrev
+ */
+public final class IntentIntegratorV30 extends IntentIntegrator {
+
+  private final Fragment fragment;
+
+  /**
+   * @param fragment Fragment to handle activity response.
+   */
+  public IntentIntegratorV30(Fragment fragment) {
+    super(fragment.getActivity());
+    this.fragment = fragment;
+  }
+
+  @Override
+  protected void startActivityForResult(Intent intent, int code) {
+    fragment.startActivityForResult(intent, code);
+  }
+
+}