Allow caller to manage resulting AlertDialog. Also use CharSequence for a tiny bit more flexibility.

git-svn-id: https://zxing.googlecode.com/svn/trunk@1315 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2010-04-21 00:26:05 +00:00
parent e4ecfae59c
commit 2a4daa5262

View file

@ -55,13 +55,18 @@ import android.net.Uri;
*
* <p>{@code IntentIntegrator.initiateScan(yourActivity);}</p>
*
* <p>You can use {@link #initiateScan(Activity, String, String, String, String)} or
* <p>You can use {@link #initiateScan(Activity, CharSequence, CharSequence, CharSequence, CharSequence)} or
* {@link #initiateScan(Activity, int, int, int, int)} to customize the download prompt with
* different text labels.</p>
*
* <p>Note that {@link #initiateScan(Activity)} returns an {@link AlertDialog} which is non-null if the
* user was prompted to download the application. This lets the calling app potentially manage the dialog.
* In particular, ideally, the app dismisses the dialog if it's still active in its {@link Activity#onPause()}
* method.</p>
*
* <h2>Sharing text via barcode</h2>
*
* <p>To share text, encoded as a QR Code on-screen, similarly, see {@link #shareText(Activity, String)}.</p>
* <p>To share text, encoded as a QR Code on-screen, similarly, see {@link #shareText(Activity, CharSequence)}.</p>
*
* <p>Some code, particularly download integration, was contributed from the Anobiit application.</p>
*
@ -90,32 +95,32 @@ public final class IntentIntegrator {
}
/**
* See {@link #initiateScan(Activity, String, String, String, String)} --
* See {@link #initiateScan(Activity, CharSequence, CharSequence, CharSequence, CharSequence)} --
* same, but uses default English labels.
*/
public static void initiateScan(Activity activity) {
initiateScan(activity, DEFAULT_TITLE, DEFAULT_MESSAGE, DEFAULT_YES, DEFAULT_NO);
public static AlertDialog initiateScan(Activity activity) {
return initiateScan(activity, DEFAULT_TITLE, DEFAULT_MESSAGE, DEFAULT_YES, DEFAULT_NO);
}
/**
* See {@link #initiateScan(Activity, String, String, String, String)} --
* See {@link #initiateScan(Activity, CharSequence, CharSequence, CharSequence, CharSequence)} --
* same, but takes string IDs which refer
* to the {@link Activity}'s resource bundle entries.
*/
public static void initiateScan(Activity activity,
int stringTitle,
int stringMessage,
int stringButtonYes,
int stringButtonNo) {
initiateScan(activity,
activity.getString(stringTitle),
activity.getString(stringMessage),
activity.getString(stringButtonYes),
activity.getString(stringButtonNo));
public static AlertDialog initiateScan(Activity activity,
int stringTitle,
int stringMessage,
int stringButtonYes,
int stringButtonNo) {
return initiateScan(activity,
activity.getString(stringTitle),
activity.getString(stringMessage),
activity.getString(stringButtonYes),
activity.getString(stringButtonNo));
}
/**
* See {@link #initiateScan(Activity, String, String, String, String, String)} --
* See {@link #initiateScan(Activity, CharSequence, CharSequence, CharSequence, CharSequence, CharSequence)} --
* same, but scans for all supported barcode types.
* @param stringTitle title of dialog prompting user to download Barcode Scanner
* @param stringMessage text of dialog prompting user to download Barcode Scanner
@ -123,19 +128,21 @@ public final class IntentIntegrator {
* Barcode Scanner (e.g. "Yes")
* @param stringButtonNo text of button user clicks when declining to download
* Barcode Scanner (e.g. "No")
* @return an {@link AlertDialog} if the user was prompted to download the app,
* null otherwise
*/
public static void initiateScan(Activity activity,
String stringTitle,
String stringMessage,
String stringButtonYes,
String stringButtonNo) {
public static AlertDialog initiateScan(Activity activity,
CharSequence stringTitle,
CharSequence stringMessage,
CharSequence stringButtonYes,
CharSequence stringButtonNo) {
initiateScan(activity,
stringTitle,
stringMessage,
stringButtonYes,
stringButtonNo,
ALL_CODE_TYPES);
return initiateScan(activity,
stringTitle,
stringMessage,
stringButtonYes,
stringButtonNo,
ALL_CODE_TYPES);
}
/**
@ -149,15 +156,16 @@ public final class IntentIntegrator {
* Barcode Scanner (e.g. "No")
* @param stringDesiredBarcodeFormats a comma separated list of codes you would
* like to scan for.
* @return the contents of the barcode that was scanned, or null if none was found
* @return an {@link AlertDialog} if the user was prompted to download the app,
* null otherwise
* @throws InterruptedException if timeout expires before a scan completes
*/
public static void initiateScan(Activity activity,
String stringTitle,
String stringMessage,
String stringButtonYes,
String stringButtonNo,
String stringDesiredBarcodeFormats) {
public static AlertDialog initiateScan(Activity activity,
CharSequence stringTitle,
CharSequence stringMessage,
CharSequence stringButtonYes,
CharSequence stringButtonNo,
CharSequence stringDesiredBarcodeFormats) {
Intent intentScan = new Intent("com.google.zxing.client.android.SCAN");
intentScan.addCategory(Intent.CATEGORY_DEFAULT);
@ -169,16 +177,17 @@ public final class IntentIntegrator {
try {
activity.startActivityForResult(intentScan, REQUEST_CODE);
return null;
} catch (ActivityNotFoundException e) {
showDownloadDialog(activity, stringTitle, stringMessage, stringButtonYes, stringButtonNo);
return showDownloadDialog(activity, stringTitle, stringMessage, stringButtonYes, stringButtonNo);
}
}
private static void showDownloadDialog(final Activity activity,
String stringTitle,
String stringMessage,
String stringButtonYes,
String stringButtonNo) {
private static AlertDialog showDownloadDialog(final Activity activity,
CharSequence stringTitle,
CharSequence stringMessage,
CharSequence stringButtonYes,
CharSequence stringButtonNo) {
AlertDialog.Builder downloadDialog = new AlertDialog.Builder(activity);
downloadDialog.setTitle(stringTitle);
downloadDialog.setMessage(stringMessage);
@ -192,7 +201,7 @@ public final class IntentIntegrator {
downloadDialog.setNegativeButton(stringButtonNo, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialogInterface, int i) {}
});
downloadDialog.show();
return downloadDialog.show();
}
@ -218,19 +227,19 @@ public final class IntentIntegrator {
}
/**
* See {@link #shareText(Activity, String, String, String, String, String)} --
* See {@link #shareText(Activity, CharSequence, CharSequence, CharSequence, CharSequence, CharSequence)} --
* same, but uses default English labels.
*/
public static void shareText(Activity activity, String text) {
public static void shareText(Activity activity, CharSequence text) {
shareText(activity, text, DEFAULT_TITLE, DEFAULT_MESSAGE, DEFAULT_YES, DEFAULT_NO);
}
/**
* See {@link #shareText(Activity, String, String, String, String, String)} --
* See {@link #shareText(Activity, CharSequence, CharSequence, CharSequence, CharSequence, CharSequence)} --
* same, but takes string IDs which refer to the {@link Activity}'s resource bundle entries.
*/
public static void shareText(Activity activity,
String text,
CharSequence text,
int stringTitle,
int stringMessage,
int stringButtonYes,
@ -256,11 +265,11 @@ public final class IntentIntegrator {
* Barcode Scanner (e.g. "No")
*/
public static void shareText(Activity activity,
String text,
String stringTitle,
String stringMessage,
String stringButtonYes,
String stringButtonNo) {
CharSequence text,
CharSequence stringTitle,
CharSequence stringMessage,
CharSequence stringButtonYes,
CharSequence stringButtonNo) {
Intent intent = new Intent();
intent.setAction("com.google.zxing.client.android.ENCODE");