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Access Intent.setPackage() via reflection only if available for 1.5 compatibility

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git-svn-id: https://zxing.googlecode.com/svn/trunk@1802 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2011-05-28 18:06:18 +00:00
parent fb65c5b791
commit 2d17cf4491
1 changed files with 31 additions and 4 deletions
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35
android-integration/src/com/google/zxing/integration/android/IntentIntegrator.java
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@ -16,12 +16,16 @@
package com.google.zxing.integration.android;
import android.app.AlertDialog;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.ActivityNotFoundException;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.util.Log;
/**
* <p>A utility class which helps ease integration with Barcode Scanner via {@link Intent}s. This is a simple
@ -79,6 +83,7 @@ import android.net.Uri;
public final class IntentIntegrator {
public static final int REQUEST_CODE = 0x0ba7c0de; // get it?
private static final String TAG = IntentIntegrator.class.getSimpleName();
public static final String DEFAULT_TITLE = "Install Barcode Scanner?";
public static final String DEFAULT_MESSAGE =
@ -94,6 +99,17 @@ public final class IntentIntegrator {
public static final String QR_CODE_TYPES = "QR_CODE";
public static final String ALL_CODE_TYPES = null;
public static final Method PACKAGE_SETTER;
static {
Method temp;
try {
temp = Intent.class.getMethod("setPackage", new Class[] {String.class});
} catch (NoSuchMethodException nsme) {
temp = null;
}
PACKAGE_SETTER = temp;
}
private IntentIntegrator() {
}
@ -170,7 +186,7 @@ public final class IntentIntegrator {
CharSequence stringButtonNo,
CharSequence stringDesiredBarcodeFormats) {
Intent intentScan = new Intent(PACKAGE + ".SCAN");
intentScan.setPackage(PACKAGE);
setPackage(intentScan);
intentScan.addCategory(Intent.CATEGORY_DEFAULT);
// check which types of codes to scan for
@ -274,10 +290,9 @@ public final class IntentIntegrator {
CharSequence stringMessage,
CharSequence stringButtonYes,
CharSequence stringButtonNo) {
Intent intent = new Intent();
intent.setAction(PACKAGE + ".ENCODE");
intent.setPackage(PACKAGE);
setPackage(intent);
intent.putExtra("ENCODE_TYPE", "TEXT_TYPE");
intent.putExtra("ENCODE_DATA", text);
try {
@ -287,4 +302,16 @@ public final class IntentIntegrator {
}
}
private static void setPackage(Intent intent) {
if (PACKAGE_SETTER != null) {
try {
PACKAGE_SETTER.invoke(intent, PACKAGE);
} catch (InvocationTargetException ite) {
Log.w(TAG, ite.getTargetException());
} catch (IllegalAccessException iae) {
Log.w(TAG, iae);
}
}
}
}