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August 7, 2013 23:03
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/** | |
* Copyright 2013 Alex Yanchenko | |
* | |
* 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 org.droidparts.util.ui; | |
import static android.app.Activity.RESULT_OK; | |
import static android.content.Intent.ACTION_GET_CONTENT; | |
import static android.content.pm.PackageManager.FEATURE_CAMERA; | |
import static android.provider.MediaStore.ACTION_IMAGE_CAPTURE; | |
import java.io.File; | |
import java.util.ArrayList; | |
import org.droidparts.adapter.widget.ArrayAdapter; | |
import org.droidparts.util.L; | |
import android.app.Activity; | |
import android.app.AlertDialog; | |
import android.content.Context; | |
import android.content.DialogInterface; | |
import android.content.Intent; | |
import android.graphics.Bitmap; | |
import android.net.Uri; | |
import android.os.Environment; | |
import android.provider.MediaStore; | |
public class ImagePicker { | |
public interface Listener { | |
void didPickImage(Bitmap bm); | |
} | |
private final Activity activity; | |
private final Listener listener; | |
public ImagePicker(Activity activity, Listener listener) { | |
this.activity = activity; | |
this.listener = listener; | |
} | |
public void showDialog(boolean deleteOptionAvailable) { | |
AlertDialog.Builder builder = new AlertDialog.Builder(activity); | |
ProfilePictureAdapter adapter = new ProfilePictureAdapter( | |
deleteOptionAvailable); | |
builder.setAdapter(adapter, adapter); | |
builder.setNeutralButton(getLocalization().cancel, null); | |
AlertDialog dialog = builder.create(); | |
dialog.setCanceledOnTouchOutside(true); | |
dialog.show(); | |
} | |
public boolean handleActivityResult(int requestCode, int resultCode, | |
Intent data) { | |
boolean handled = false; | |
Bitmap bm = null; | |
switch (requestCode) { | |
case RC_TAKE_A_PICTURE: | |
handled = true; | |
if (resultCode == RESULT_OK) { | |
File tmpFile = getTmpFile(); | |
bm = readFromUri(activity, Uri.fromFile(tmpFile)); | |
tmpFile.delete(); | |
} | |
break; | |
case RC_CHOOSE_FROM_LIBRARY: | |
handled = true; | |
if (resultCode == RESULT_OK) { | |
bm = readFromUri(activity, data.getData()); | |
} | |
break; | |
} | |
if (bm != null) { | |
listener.didPickImage(bm); | |
} | |
return handled; | |
} | |
public static class Localization { | |
public String takeAPicture; | |
public String chooseFromLibrary; | |
public String delete; | |
public String cancel; | |
} | |
protected Localization getLocalization() { | |
Localization loc = new Localization(); | |
loc.takeAPicture = "Take a Picture"; | |
loc.chooseFromLibrary = "Choose from Library"; | |
loc.delete = "Delete"; | |
loc.cancel = "Cancel"; | |
return loc; | |
} | |
protected File getTmpFile() { | |
return new File(Environment.getExternalStorageDirectory(), "tmp.pic"); | |
} | |
private static final int RC_TAKE_A_PICTURE = 1405; | |
private static final int RC_CHOOSE_FROM_LIBRARY = 8405; | |
private static Bitmap readFromUri(Context ctx, Uri uri) { | |
Bitmap bm = null; | |
try { | |
bm = MediaStore.Images.Media.getBitmap(ctx.getContentResolver(), | |
uri); | |
} catch (Exception e) { | |
L.w(e); | |
} | |
return bm; | |
} | |
private class ProfilePictureAdapter extends ArrayAdapter<String> implements | |
DialogInterface.OnClickListener { | |
private final boolean cameraAvailable; | |
public ProfilePictureAdapter(boolean deleteAvailable) { | |
super(activity, new ArrayList<String>()); | |
cameraAvailable = activity.getPackageManager().hasSystemFeature( | |
FEATURE_CAMERA); | |
Localization loc = getLocalization(); | |
ArrayList<String> options = new ArrayList<String>(); | |
if (cameraAvailable) { | |
options.add(loc.takeAPicture); | |
} | |
options.add(loc.chooseFromLibrary); | |
if (deleteAvailable) { | |
options.add(loc.delete); | |
} | |
setContent(options); | |
} | |
@Override | |
public void onClick(DialogInterface dialog, int which) { | |
Intent intent = null; | |
int requestCode = -1; | |
switch (which) { | |
case 0: | |
intent = new Intent(ACTION_IMAGE_CAPTURE); | |
intent.putExtra(MediaStore.EXTRA_OUTPUT, | |
Uri.fromFile(getTmpFile())); | |
requestCode = RC_TAKE_A_PICTURE; | |
break; | |
case 1: | |
intent = new Intent(ACTION_GET_CONTENT); | |
intent.setType("image/*"); | |
requestCode = RC_CHOOSE_FROM_LIBRARY; | |
break; | |
case 2: | |
listener.didPickImage(null); | |
break; | |
} | |
if (intent != null) { | |
try { | |
activity.startActivityForResult(intent, requestCode); | |
} catch (Exception e) { | |
L.w(e); | |
new AbstractDialogFactory(activity).showErrorToast(); | |
} | |
} | |
} | |
} | |
} |
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