Initial checkin of AOSP Messaging app.
b/23110861 Change-Id: I9aa980d7569247d6b2ca78f5dcb4502e1eaadb8a
This commit is contained in:
Mike Dodd
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/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.messaging.ui.mediapicker;
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import android.Manifest;
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import android.content.pm.PackageManager;
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import android.database.Cursor;
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import android.database.MatrixCursor;
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import android.database.MergeCursor;
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import android.support.v7.app.ActionBar;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import com.android.messaging.Factory;
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import com.android.messaging.R;
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import com.android.messaging.datamodel.data.GalleryGridItemData;
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import com.android.messaging.datamodel.data.MediaPickerData;
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import com.android.messaging.datamodel.data.MessagePartData;
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import com.android.messaging.datamodel.data.MediaPickerData.MediaPickerDataListener;
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import com.android.messaging.util.Assert;
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import com.android.messaging.util.OsUtil;
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/**
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* Chooser which allows the user to select one or more existing images or videos
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*/
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class GalleryMediaChooser extends MediaChooser implements
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GalleryGridView.GalleryGridViewListener, MediaPickerDataListener {
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private final GalleryGridAdapter mAdapter;
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private GalleryGridView mGalleryGridView;
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private View mMissingPermissionView;
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GalleryMediaChooser(final MediaPicker mediaPicker) {
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super(mediaPicker);
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mAdapter = new GalleryGridAdapter(Factory.get().getApplicationContext(), null);
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}
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@Override
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public int getSupportedMediaTypes() {
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return MediaPicker.MEDIA_TYPE_IMAGE | MediaPicker.MEDIA_TYPE_VIDEO;
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}
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@Override
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public View destroyView() {
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mGalleryGridView.setAdapter(null);
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mAdapter.setHostInterface(null);
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// The loader is started only if startMediaPickerDataLoader() is called
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if (OsUtil.hasStoragePermission()) {
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mBindingRef.getData().destroyLoader(MediaPickerData.GALLERY_IMAGE_LOADER);
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}
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return super.destroyView();
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}
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@Override
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public int getIconResource() {
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return R.drawable.ic_image_light;
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}
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@Override
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public int getIconDescriptionResource() {
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return R.string.mediapicker_galleryChooserDescription;
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}
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@Override
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public boolean canSwipeDown() {
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return mGalleryGridView.canSwipeDown();
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}
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@Override
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public void onItemSelected(final MessagePartData item) {
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mMediaPicker.dispatchItemsSelected(item, !mGalleryGridView.isMultiSelectEnabled());
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}
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@Override
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public void onItemUnselected(final MessagePartData item) {
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mMediaPicker.dispatchItemUnselected(item);
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}
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@Override
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public void onConfirmSelection() {
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// The user may only confirm if multiselect is enabled.
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Assert.isTrue(mGalleryGridView.isMultiSelectEnabled());
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mMediaPicker.dispatchConfirmItemSelection();
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}
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@Override
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public void onUpdate() {
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mMediaPicker.invalidateOptionsMenu();
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}
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@Override
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public void onCreateOptionsMenu(final MenuInflater inflater, final Menu menu) {
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if (mView != null) {
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mGalleryGridView.onCreateOptionsMenu(inflater, menu);
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}
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}
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@Override
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public boolean onOptionsItemSelected(final MenuItem item) {
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return (mView != null) ? mGalleryGridView.onOptionsItemSelected(item) : false;
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}
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@Override
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protected View createView(final ViewGroup container) {
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final LayoutInflater inflater = getLayoutInflater();
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final View view = inflater.inflate(
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R.layout.mediapicker_image_chooser,
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container /* root */,
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false /* attachToRoot */);
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mGalleryGridView = (GalleryGridView) view.findViewById(R.id.gallery_grid_view);
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mAdapter.setHostInterface(mGalleryGridView);
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mGalleryGridView.setAdapter(mAdapter);
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mGalleryGridView.setHostInterface(this);
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mGalleryGridView.setDraftMessageDataModel(mMediaPicker.getDraftMessageDataModel());
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if (OsUtil.hasStoragePermission()) {
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startMediaPickerDataLoader();
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}
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mMissingPermissionView = view.findViewById(R.id.missing_permission_view);
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updateForPermissionState(OsUtil.hasStoragePermission());
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return view;
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}
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@Override
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int getActionBarTitleResId() {
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return R.string.mediapicker_gallery_title;
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}
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@Override
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public void onDocumentPickerItemClicked() {
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mMediaPicker.launchDocumentPicker();
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}
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@Override
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void updateActionBar(final ActionBar actionBar) {
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super.updateActionBar(actionBar);
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if (mGalleryGridView == null) {
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return;
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}
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final int selectionCount = mGalleryGridView.getSelectionCount();
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if (selectionCount > 0 && mGalleryGridView.isMultiSelectEnabled()) {
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actionBar.setTitle(getContext().getResources().getString(
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R.string.mediapicker_gallery_title_selection,
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selectionCount));
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}
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}
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@Override
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public void onMediaPickerDataUpdated(final MediaPickerData mediaPickerData, final Object data,
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final int loaderId) {
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mBindingRef.ensureBound(mediaPickerData);
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Assert.equals(MediaPickerData.GALLERY_IMAGE_LOADER, loaderId);
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Cursor rawCursor = null;
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if (data instanceof Cursor) {
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rawCursor = (Cursor) data;
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}
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// Before delivering the cursor, wrap around the local gallery cursor
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// with an extra item for document picker integration in the front.
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final MatrixCursor specialItemsCursor =
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new MatrixCursor(GalleryGridItemData.SPECIAL_ITEM_COLUMNS);
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specialItemsCursor.addRow(new Object[] { GalleryGridItemData.ID_DOCUMENT_PICKER_ITEM });
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final MergeCursor cursor =
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new MergeCursor(new Cursor[] { specialItemsCursor, rawCursor });
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mAdapter.swapCursor(cursor);
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}
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@Override
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public void onResume() {
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if (OsUtil.hasStoragePermission()) {
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// Work around a bug in MediaStore where cursors querying the Files provider don't get
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// updated for changes to Images.Media or Video.Media.
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startMediaPickerDataLoader();
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}
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}
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@Override
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protected void setSelected(final boolean selected) {
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super.setSelected(selected);
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if (selected && !OsUtil.hasStoragePermission()) {
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mMediaPicker.requestPermissions(
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new String[] { Manifest.permission.READ_EXTERNAL_STORAGE },
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MediaPicker.GALLERY_PERMISSION_REQUEST_CODE);
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}
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}
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private void startMediaPickerDataLoader() {
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mBindingRef.getData().startLoader(MediaPickerData.GALLERY_IMAGE_LOADER, mBindingRef, null,
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this);
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}
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@Override
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protected void onRequestPermissionsResult(
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final int requestCode, final String permissions[], final int[] grantResults) {
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if (requestCode == MediaPicker.GALLERY_PERMISSION_REQUEST_CODE) {
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final boolean permissionGranted = grantResults[0] == PackageManager.PERMISSION_GRANTED;
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if (permissionGranted) {
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startMediaPickerDataLoader();
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}
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updateForPermissionState(permissionGranted);
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}
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}
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private void updateForPermissionState(final boolean granted) {
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// onRequestPermissionsResult can sometimes get called before createView().
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if (mGalleryGridView == null) {
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return;
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}
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mGalleryGridView.setVisibility(granted ? View.VISIBLE : View.GONE);
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mMissingPermissionView.setVisibility(granted ? View.GONE : View.VISIBLE);
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}
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}
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