| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * 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.android.wallpaper.picker; |
| |
| import static com.android.wallpaper.widget.BottomActionBar.BottomAction.APPLY; |
| import static com.android.wallpaper.widget.BottomActionBar.BottomAction.CUSTOMIZE; |
| import static com.android.wallpaper.widget.BottomActionBar.BottomAction.DELETE; |
| import static com.android.wallpaper.widget.BottomActionBar.BottomAction.INFORMATION; |
| |
| import android.annotation.SuppressLint; |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.WallpaperColors; |
| import android.app.WallpaperInfo; |
| import android.app.WallpaperManager; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ServiceInfo; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.graphics.RectF; |
| import android.graphics.drawable.ColorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.RemoteException; |
| import android.service.wallpaper.IWallpaperConnection; |
| import android.service.wallpaper.WallpaperService; |
| import android.service.wallpaper.WallpaperSettingsActivity; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.util.Pair; |
| import android.view.LayoutInflater; |
| import android.view.MotionEvent; |
| import android.view.SurfaceView; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.animation.AnimationUtils; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| import androidx.annotation.Nullable; |
| import androidx.cardview.widget.CardView; |
| import androidx.lifecycle.LiveData; |
| import androidx.slice.Slice; |
| import androidx.slice.widget.SliceLiveData; |
| import androidx.slice.widget.SliceView; |
| |
| import com.android.wallpaper.R; |
| import com.android.wallpaper.compat.BuildCompat; |
| import com.android.wallpaper.model.LiveWallpaperInfo; |
| import com.android.wallpaper.module.WallpaperPersister.SetWallpaperCallback; |
| import com.android.wallpaper.util.ScreenSizeCalculator; |
| import com.android.wallpaper.util.SizeCalculator; |
| import com.android.wallpaper.util.WallpaperConnection; |
| import com.android.wallpaper.widget.BottomActionBar; |
| import com.android.wallpaper.widget.BottomActionBar.AccessibilityCallback; |
| import com.android.wallpaper.widget.LiveTileOverlay; |
| import com.android.wallpaper.widget.LockScreenPreviewer; |
| import com.android.wallpaper.widget.WallpaperInfoView; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Fragment which displays the UI for previewing an individual live wallpaper, its attribution |
| * information and settings slices if available. |
| */ |
| public class LivePreviewFragment extends PreviewFragment implements |
| WallpaperConnection.WallpaperConnectionListener { |
| |
| public static final String EXTRA_LIVE_WALLPAPER_INFO = "android.live_wallpaper.info"; |
| public static final String KEY_ACTION_DELETE_LIVE_WALLPAPER = "action_delete_live_wallpaper"; |
| |
| private static final String TAG = "LivePreviewFragment"; |
| |
| /** |
| * Instance of {@link WallpaperConnection} used to bind to the live wallpaper service to show |
| * it in this preview fragment. |
| * @see IWallpaperConnection |
| */ |
| protected WallpaperConnection mWallpaperConnection; |
| protected WallpaperInfoView mWallpaperInfoView; |
| protected CardView mHomePreviewCard; |
| protected ImageView mHomePreview; |
| |
| private final int[] mLivePreviewLocation = new int[2]; |
| private final Rect mPreviewLocalRect = new Rect(); |
| private final Rect mPreviewGlobalRect = new Rect(); |
| |
| private Intent mDeleteIntent; |
| private Intent mSettingsIntent; |
| |
| private List<Pair<String, View>> mPages; |
| private SliceView mSettingsSliceView; |
| private LiveData<Slice> mSettingsLiveData; |
| private View mLoadingScrim; |
| private InfoPageController mInfoPageController; |
| private Point mScreenSize; |
| private ViewGroup mViewGroup; |
| private TouchForwardingLayout mTouchForwardingLayout; |
| private View mTab; |
| private TextView mHomeTextView; |
| private TextView mLockTextView; |
| private SurfaceView mWorkspaceSurface; |
| private ViewGroup mLockPreviewContainer; |
| private LockScreenPreviewer mLockScreenPreviewer; |
| private WorkspaceSurfaceHolderCallback mWorkspaceSurfaceCallback; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| android.app.WallpaperInfo info = mWallpaper.getWallpaperComponent(); |
| setUpExploreIntentAndLabel(null); |
| |
| String deleteAction = getDeleteAction(info); |
| if (!TextUtils.isEmpty(deleteAction)) { |
| mDeleteIntent = new Intent(deleteAction); |
| mDeleteIntent.setPackage(info.getPackageName()); |
| mDeleteIntent.putExtra(EXTRA_LIVE_WALLPAPER_INFO, info); |
| } |
| |
| String settingsActivity = getSettingsActivity(info); |
| if (settingsActivity != null) { |
| mSettingsIntent = new Intent(); |
| mSettingsIntent.setComponent(new ComponentName(info.getPackageName(), |
| settingsActivity)); |
| mSettingsIntent.putExtra(WallpaperSettingsActivity.EXTRA_PREVIEW_MODE, true); |
| PackageManager pm = requireContext().getPackageManager(); |
| ActivityInfo activityInfo = mSettingsIntent.resolveActivityInfo(pm, 0); |
| if (activityInfo == null) { |
| Log.i(TAG, "Couldn't find wallpaper settings activity: " + settingsActivity); |
| mSettingsIntent = null; |
| } |
| } |
| } |
| |
| @Nullable |
| protected String getSettingsActivity(WallpaperInfo info) { |
| return info.getSettingsActivity(); |
| } |
| |
| protected Intent getWallpaperIntent(WallpaperInfo info) { |
| return new Intent(WallpaperService.SERVICE_INTERFACE) |
| .setClassName(info.getPackageName(), info.getServiceName()); |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| mPages = new ArrayList<>(); |
| View view = super.onCreateView(inflater, container, savedInstanceState); |
| if (view == null) { |
| return null; |
| } |
| |
| Activity activity = requireActivity(); |
| |
| mLoadingScrim = view.findViewById(R.id.loading); |
| setUpLoadingIndicator(); |
| |
| mScreenSize = ScreenSizeCalculator.getInstance().getScreenSize( |
| activity.getWindowManager().getDefaultDisplay()); |
| |
| mViewGroup = view.findViewById(R.id.live_wallpaper_preview); |
| mHomePreviewCard = mViewGroup.findViewById(R.id.wallpaper_full_preview_card); |
| mTouchForwardingLayout = view.findViewById(R.id.touch_forwarding_layout); |
| mHomePreview = mHomePreviewCard.findViewById(R.id.wallpaper_preview_image); |
| mTouchForwardingLayout.setTargetView(mHomePreview); |
| mTouchForwardingLayout.setForwardingEnabled(true); |
| mLockPreviewContainer = mViewGroup.findViewById(R.id.lock_screen_preview_container); |
| mLockScreenPreviewer = new LockScreenPreviewer(getLifecycle(), getActivity(), |
| mLockPreviewContainer); |
| mTab = view.findViewById(R.id.tabs_container); |
| mHomeTextView = mTab.findViewById(R.id.home); |
| mLockTextView = mTab.findViewById(R.id.lock); |
| mWorkspaceSurface = mHomePreviewCard.findViewById(R.id.workspace_surface); |
| mWorkspaceSurfaceCallback = new WorkspaceSurfaceHolderCallback( |
| mWorkspaceSurface, getContext()); |
| updateScreenTab(/* isHomeSelected= */ mViewAsHome); |
| view.addOnLayoutChangeListener((thisView, left, top, right, bottom, |
| oldLeft, oldTop, oldRight, oldBottom) -> |
| setupPreview() |
| ); |
| setupCurrentWallpaperPreview(view); |
| setupPreview(); |
| renderWorkspaceSurface(); |
| onBottomActionBarReady(mBottomActionBar); |
| |
| return view; |
| } |
| |
| private void updateScreenTab(boolean isHomeSelected) { |
| mHomeTextView.setSelected(isHomeSelected); |
| mLockTextView.setSelected(!isHomeSelected); |
| mWorkspaceSurface.setVisibility(isHomeSelected ? View.VISIBLE : View.INVISIBLE); |
| mLockPreviewContainer.setVisibility(isHomeSelected ? View.INVISIBLE : View.VISIBLE); |
| } |
| |
| private void setupPreview() { |
| float screenAspectRatio = (float) mScreenSize.y / mScreenSize.x; |
| int measuredViewHeight = mViewGroup.getMeasuredHeight(); |
| int measuredViewWidth = mViewGroup.getMeasuredWidth(); |
| int absoluteViewWidth = (int) ((measuredViewHeight - mViewGroup.getPaddingBottom() |
| - mViewGroup.getPaddingTop()) / screenAspectRatio); |
| int horizontalPadding = (measuredViewWidth - absoluteViewWidth) / 2; |
| mViewGroup.setPaddingRelative( |
| horizontalPadding, |
| mViewGroup.getPaddingTop(), |
| horizontalPadding, |
| mViewGroup.getPaddingBottom()); |
| mHomeTextView.setOnClickListener(view -> |
| updateScreenTab(/* isHomeSelected= */ true) |
| ); |
| mLockTextView.setOnClickListener(view -> |
| updateScreenTab(/* isHomeSelected= */ false) |
| ); |
| repositionPreview(mHomePreview); |
| |
| ((CardView) mHomePreview.getParent()) |
| .setRadius(SizeCalculator.getPreviewCornerRadius( |
| getActivity(), mHomePreviewCard.getMeasuredWidth())); |
| } |
| |
| private void repositionPreview(ImageView previewView) { |
| previewView.getLocationOnScreen(mLivePreviewLocation); |
| mPreviewGlobalRect.set(0, 0, previewView.getMeasuredWidth(), |
| previewView.getMeasuredHeight()); |
| mPreviewLocalRect.set(mPreviewGlobalRect); |
| mPreviewGlobalRect.offset(mLivePreviewLocation[0], mLivePreviewLocation[1]); |
| if (mWallpaperConnection != null) { |
| mWallpaperConnection.updatePreviewPosition(mPreviewGlobalRect); |
| } |
| } |
| |
| private void setupCurrentWallpaperPreview(View view) { |
| showCurrentWallpaper(view, /* show= */ true); |
| mHomePreview.setOnTouchListener((v, ev) -> { |
| if (mWallpaperConnection != null && mWallpaperConnection.getEngine() != null) { |
| int action = ev.getActionMasked(); |
| if (action == MotionEvent.ACTION_DOWN) { |
| mBottomActionBar.collapseBottomSheetIfExpanded(); |
| } |
| MotionEvent dup = MotionEvent.obtainNoHistory(ev); |
| try { |
| mWallpaperConnection.getEngine().dispatchPointer(dup); |
| if (action == MotionEvent.ACTION_UP) { |
| mWallpaperConnection.getEngine().dispatchWallpaperCommand( |
| WallpaperManager.COMMAND_TAP, |
| (int) ev.getX(), (int) ev.getY(), 0, null); |
| } else if (action == MotionEvent.ACTION_POINTER_UP) { |
| int pointerIndex = ev.getActionIndex(); |
| mWallpaperConnection.getEngine().dispatchWallpaperCommand( |
| WallpaperManager.COMMAND_SECONDARY_TAP, |
| (int) ev.getX(pointerIndex), (int) ev.getY(pointerIndex), 0, null); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Remote exception of wallpaper connection"); |
| } |
| } |
| return false; |
| }); |
| } |
| |
| private void showCurrentWallpaper(View rootView, boolean show) { |
| rootView.findViewById(R.id.live_wallpaper_preview) |
| .setVisibility(show ? View.VISIBLE : View.GONE); |
| } |
| |
| @Override |
| public void onDestroyView() { |
| super.onDestroyView(); |
| if (mSettingsLiveData != null && mSettingsLiveData.hasObservers()) { |
| mSettingsLiveData.removeObserver(mSettingsSliceView); |
| mSettingsLiveData = null; |
| } |
| if (mWallpaperConnection != null) { |
| mWallpaperConnection.disconnect(); |
| } |
| mWallpaperConnection = null; |
| |
| mWorkspaceSurfaceCallback.cleanUp(); |
| |
| super.onDestroy(); |
| } |
| |
| private void previewLiveWallpaper(ImageView thumbnailView) { |
| thumbnailView.post(() -> { |
| mWallpaper.getThumbAsset(requireActivity().getApplicationContext()).loadPreviewImage( |
| requireActivity(), thumbnailView, |
| getResources().getColor(R.color.secondary_color)); |
| LiveTileOverlay.INSTANCE.detach(thumbnailView.getOverlay()); |
| |
| setUpLiveWallpaperPreview(mWallpaper, thumbnailView, |
| new ColorDrawable(getResources().getColor( |
| R.color.secondary_color, getActivity().getTheme()))); |
| }); |
| } |
| |
| private void setUpLiveWallpaperPreview(com.android.wallpaper.model.WallpaperInfo homeWallpaper, |
| ImageView previewView, Drawable thumbnail) { |
| Activity activity = getActivity(); |
| if (activity == null) { |
| return; |
| } |
| if (mWallpaperConnection != null) { |
| mWallpaperConnection.disconnect(); |
| } |
| if (thumbnail != null) { |
| thumbnail.setBounds(previewView.getLeft(), previewView.getTop(), previewView.getRight(), |
| previewView.getBottom()); |
| } |
| repositionPreview(previewView); |
| |
| if (mWallpaperInfoView != null) { |
| mWallpaperInfoView.populateWallpaperInfo( |
| mWallpaper, |
| mActionLabel, |
| mExploreIntent, |
| LivePreviewFragment.this::onExploreClicked); |
| } |
| mWallpaperConnection = new WallpaperConnection( |
| getWallpaperIntent(homeWallpaper.getWallpaperComponent()), activity, |
| new WallpaperConnection.WallpaperConnectionListener() { |
| @Override |
| public void onEngineShown() { |
| mLoadingScrim.post(() -> mLoadingScrim.animate() |
| .alpha(0f) |
| .setDuration(220) |
| .setStartDelay(300) |
| .setInterpolator(AnimationUtils.loadInterpolator(getActivity(), |
| android.R.interpolator.fast_out_linear_in)) |
| .withEndAction(() -> { |
| if (mLoadingProgressBar != null) { |
| mLoadingProgressBar.hide(); |
| } |
| mLoadingScrim.setVisibility(View.GONE); |
| })); |
| final Drawable placeholder = previewView.getDrawable() == null |
| ? new ColorDrawable(getResources().getColor(R.color.secondary_color, |
| activity.getTheme())) |
| : previewView.getDrawable(); |
| LiveTileOverlay.INSTANCE.setForegroundDrawable(placeholder); |
| LiveTileOverlay.INSTANCE.attach(previewView.getOverlay()); |
| previewView.animate() |
| .setStartDelay(50) |
| .setDuration(200) |
| .setInterpolator(AnimationUtils.loadInterpolator(getContext(), |
| android.R.interpolator.fast_out_linear_in)) |
| .setUpdateListener(value -> placeholder.setAlpha( |
| (int) (255 * (1 - value.getAnimatedFraction())))) |
| .withEndAction(() -> { |
| LiveTileOverlay.INSTANCE.setForegroundDrawable(null); |
| }).start(); |
| } |
| |
| @Override |
| public void onWallpaperColorsChanged(WallpaperColors colors, int displayId) { |
| mLockScreenPreviewer.setColor(colors); |
| } |
| }, mPreviewGlobalRect); |
| |
| LiveTileOverlay.INSTANCE.update(new RectF(mPreviewLocalRect), |
| ((CardView) previewView.getParent()).getRadius()); |
| |
| mWallpaperConnection.setVisibility(true); |
| previewView.post(() -> { |
| if (mWallpaperConnection != null && !mWallpaperConnection.connect()) { |
| mWallpaperConnection = null; |
| LiveTileOverlay.INSTANCE.detach(previewView.getOverlay()); |
| } |
| }); |
| } |
| |
| private void renderWorkspaceSurface() { |
| mWorkspaceSurface.setZOrderMediaOverlay(true); |
| mWorkspaceSurface.getHolder().addCallback(mWorkspaceSurfaceCallback); |
| } |
| |
| protected void onBottomActionBarReady(BottomActionBar bottomActionBar) { |
| super.onBottomActionBarReady(bottomActionBar); |
| mBottomActionBar.showActionsOnly(INFORMATION, DELETE, CUSTOMIZE, APPLY); |
| mBottomActionBar.bindBackButtonToSystemBackKey(getActivity()); |
| mBottomActionBar.setActionClickListener(APPLY, unused -> |
| this.onSetWallpaperClicked(null)); |
| mWallpaperInfoView = (WallpaperInfoView) LayoutInflater.from(getContext()) |
| .inflate(R.layout.wallpaper_info_view, /* root= */ null); |
| mBottomActionBar.attachViewToBottomSheetAndBindAction(mWallpaperInfoView, INFORMATION); |
| |
| // Update target view's accessibility param since it will be blocked by the bottom sheet |
| // when expanded. |
| mBottomActionBar.setAccessibilityCallback(new AccessibilityCallback() { |
| @Override |
| public void onBottomSheetCollapsed() { |
| mTab.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES); |
| } |
| |
| @Override |
| public void onBottomSheetExpanded() { |
| mTab.setImportantForAccessibility( |
| View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS); |
| } |
| }); |
| final Uri uriSettingsSlice = getSettingsSliceUri(mWallpaper.getWallpaperComponent()); |
| if (uriSettingsSlice != null) { |
| View previewPage = LayoutInflater.from(getContext()) |
| .inflate(R.layout.preview_customize_settings, null); |
| mSettingsSliceView = previewPage.findViewById(R.id.settings_slice); |
| mSettingsSliceView.setMode(SliceView.MODE_LARGE); |
| mSettingsSliceView.setScrollable(false); |
| mSettingsLiveData = SliceLiveData.fromUri(requireContext(), uriSettingsSlice); |
| mSettingsLiveData.observeForever(mSettingsSliceView); |
| mBottomActionBar.attachViewToBottomSheetAndBindAction(previewPage, CUSTOMIZE); |
| } else { |
| if (mSettingsIntent != null) { |
| mBottomActionBar.setActionClickListener(CUSTOMIZE, listener -> |
| startActivity(mSettingsIntent)); |
| } else { |
| mBottomActionBar.hideActions(CUSTOMIZE); |
| } |
| } |
| |
| final String deleteAction = getDeleteAction(mWallpaper.getWallpaperComponent()); |
| if (TextUtils.isEmpty(deleteAction)) { |
| mBottomActionBar.hideActions(DELETE); |
| } else { |
| mBottomActionBar.setActionClickListener(DELETE, listener -> |
| showDeleteConfirmDialog()); |
| } |
| mBottomActionBar.show(); |
| } |
| |
| @Override |
| public void onEngineShown() { |
| mLoadingScrim.post(() -> mLoadingScrim.animate() |
| .alpha(0f) |
| .setDuration(220) |
| .setStartDelay(300) |
| .setInterpolator(AnimationUtils.loadInterpolator(getActivity(), |
| android.R.interpolator.fast_out_linear_in)) |
| .withEndAction(() -> { |
| if (mLoadingProgressBar != null) { |
| mLoadingProgressBar.hide(); |
| } |
| mLoadingScrim.setVisibility(View.INVISIBLE); |
| populateInfoPage(mInfoPageController); |
| })); |
| } |
| |
| @Override |
| protected boolean isLoaded() { |
| return mWallpaperConnection != null && mWallpaperConnection.isEngineReady(); |
| } |
| |
| @Override |
| protected CharSequence getExploreButtonLabel(Context context) { |
| CharSequence exploreLabel = ((LiveWallpaperInfo) mWallpaper).getActionDescription(context); |
| if (TextUtils.isEmpty(exploreLabel)) { |
| exploreLabel = context.getString(mWallpaper.getActionLabelRes(context)); |
| } |
| return exploreLabel; |
| } |
| |
| @SuppressLint("NewApi") //Already checking with isAtLeastQ |
| protected Uri getSettingsSliceUri(android.app.WallpaperInfo info) { |
| if (BuildCompat.isAtLeastQ()) { |
| return info.getSettingsSliceUri(); |
| } |
| return null; |
| } |
| |
| @Override |
| protected int getLayoutResId() { |
| return R.layout.fragment_live_preview_v2; |
| } |
| |
| @Override |
| protected int getLoadingIndicatorResId() { |
| return R.id.loading_indicator; |
| } |
| |
| @Override |
| protected void setCurrentWallpaper(int destination) { |
| mWallpaperSetter.setCurrentWallpaper(getActivity(), mWallpaper, null, |
| destination, 0, null, new SetWallpaperCallback() { |
| @Override |
| public void onSuccess(com.android.wallpaper.model.WallpaperInfo wallpaperInfo) { |
| finishActivity(/* success= */ true); |
| } |
| |
| @Override |
| public void onError(@Nullable Throwable throwable) { |
| showSetWallpaperErrorDialog(destination); |
| } |
| }); |
| } |
| |
| @Nullable |
| protected String getDeleteAction(android.app.WallpaperInfo wallpaperInfo) { |
| android.app.WallpaperInfo currentInfo = |
| WallpaperManager.getInstance(requireContext()).getWallpaperInfo(); |
| ServiceInfo serviceInfo = wallpaperInfo.getServiceInfo(); |
| if (!isPackagePreInstalled(serviceInfo.applicationInfo)) { |
| Log.d(TAG, "This wallpaper is not pre-installed: " + serviceInfo.name); |
| return null; |
| } |
| |
| ServiceInfo currentService = currentInfo == null ? null : currentInfo.getServiceInfo(); |
| // A currently set Live wallpaper should not be deleted. |
| if (currentService != null && TextUtils.equals(serviceInfo.name, currentService.name)) { |
| return null; |
| } |
| |
| final Bundle metaData = serviceInfo.metaData; |
| if (metaData != null) { |
| return metaData.getString(KEY_ACTION_DELETE_LIVE_WALLPAPER); |
| } |
| return null; |
| } |
| |
| @Override |
| public void onStart() { |
| super.onStart(); |
| previewLiveWallpaper(mHomePreview); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| if (mWallpaperConnection != null) { |
| mWallpaperConnection.setVisibility(true); |
| } |
| } |
| |
| @Override |
| public void onPause() { |
| super.onPause(); |
| if (mWallpaperConnection != null) { |
| mWallpaperConnection.setVisibility(false); |
| } |
| } |
| |
| @Override |
| public void onStop() { |
| super.onStop(); |
| if (mWallpaperConnection != null) { |
| mWallpaperConnection.disconnect(); |
| mWallpaperConnection = null; |
| } |
| } |
| |
| private void showDeleteConfirmDialog() { |
| final AlertDialog alertDialog = new AlertDialog.Builder(getContext()) |
| .setMessage(R.string.delete_wallpaper_confirmation) |
| .setOnDismissListener(dialog -> mBottomActionBar.deselectAction(DELETE)) |
| .setPositiveButton(R.string.delete_live_wallpaper, |
| (dialog, which) -> deleteLiveWallpaper()) |
| .setNegativeButton(android.R.string.cancel, null /* listener */) |
| .create(); |
| alertDialog.show(); |
| } |
| |
| private void deleteLiveWallpaper() { |
| if (mDeleteIntent != null) { |
| requireContext().startService(mDeleteIntent); |
| finishActivity(/* success= */ false); |
| } |
| } |
| |
| private boolean isPackagePreInstalled(ApplicationInfo info) { |
| if (info != null && (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { |
| return true; |
| } |
| return false; |
| } |
| } |
