android10_Launcher3_original

This commit is contained in:
bryan.xiang
2020-02-29 10:01:57 +08:00
parent 7fd766734d
commit 6591b1156b
1146 changed files with 147198 additions and 0 deletions

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/**
* Copyright (c) 2018 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.launcher3;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.graphics.drawable.Drawable;
/** An entry that represents a single activity that can be launched. */
public class AppEntry {
private String mLabel;
private Drawable mIcon;
private Intent mLaunchIntent;
AppEntry(ResolveInfo info, PackageManager packageManager) {
mLabel = info.loadLabel(packageManager).toString();
mIcon = info.loadIcon(packageManager);
mLaunchIntent = new Intent();
mLaunchIntent.setComponent(new ComponentName(info.activityInfo.packageName,
info.activityInfo.name));
}
String getLabel() {
return mLabel;
}
Drawable getIcon() {
return mIcon;
}
Intent getLaunchIntent() { return mLaunchIntent; }
ComponentName getComponentName() {
return mLaunchIntent.getComponent();
}
@Override
public String toString() {
return mLabel;
}
}

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/**
* Copyright (c) 2018 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.launcher3;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.android.launcher3.R;
import java.util.List;
/** Adapter for available apps list. */
public class AppListAdapter extends ArrayAdapter<AppEntry> {
private final LayoutInflater mInflater;
AppListAdapter(Context context) {
super(context, android.R.layout.simple_list_item_2);
mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
void setData(List<AppEntry> data) {
clear();
if (data != null) {
addAll(data);
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View view;
if (convertView == null) {
view = mInflater.inflate(R.layout.app_grid_item, parent, false);
} else {
view = convertView;
}
AppEntry item = getItem(position);
((ImageView)view.findViewById(R.id.app_icon)).setImageDrawable(item.getIcon());
((TextView)view.findViewById(R.id.app_name)).setText(item.getLabel());
return view;
}
}

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/**
* Copyright (c) 2018 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.launcher3;
import android.app.Application;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.AsyncTask;
import androidx.lifecycle.AndroidViewModel;
import androidx.lifecycle.LiveData;
import java.util.ArrayList;
import java.util.List;
/**
* A view model that provides a list of activities that can be launched.
*/
public class AppListViewModel extends AndroidViewModel {
private final AppListLiveData mLiveData;
private final PackageIntentReceiver
mPackageIntentReceiver;
public AppListViewModel(Application application) {
super(application);
mLiveData = new AppListLiveData(application);
mPackageIntentReceiver = new PackageIntentReceiver(mLiveData, application);
}
public LiveData<List<AppEntry>> getAppList() {
return mLiveData;
}
protected void onCleared() {
getApplication().unregisterReceiver(mPackageIntentReceiver);
}
}
class AppListLiveData extends LiveData<List<AppEntry>> {
private final PackageManager mPackageManager;
private int mCurrentDataVersion;
public AppListLiveData(Context context) {
mPackageManager = context.getPackageManager();
loadData();
}
void loadData() {
final int loadDataVersion = ++mCurrentDataVersion;
new AsyncTask<Void, Void, List<AppEntry>>() {
@Override
protected List<AppEntry> doInBackground(Void... voids) {
Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
List<ResolveInfo> apps = mPackageManager.queryIntentActivities(mainIntent,
PackageManager.GET_META_DATA);
List<AppEntry> entries = new ArrayList<>();
if (apps != null) {
for (ResolveInfo app : apps) {
AppEntry entry = new AppEntry(app, mPackageManager);
entries.add(entry);
}
}
return entries;
}
@Override
protected void onPostExecute(List<AppEntry> data) {
if (mCurrentDataVersion == loadDataVersion) {
setValue(data);
}
}
}.execute();
}
}
/**
* Receiver used to notify live data about app list changes.
*/
class PackageIntentReceiver extends BroadcastReceiver {
private final AppListLiveData mLiveData;
public PackageIntentReceiver(AppListLiveData liveData, Context context) {
mLiveData = liveData;
IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
filter.addDataScheme("package");
context.registerReceiver(this, filter);
// Register for events related to sdcard installation.
IntentFilter sdFilter = new IntentFilter();
sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE);
sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE);
context.registerReceiver(this, sdFilter);
}
@Override
public void onReceive(Context context, Intent intent) {
mLiveData.loadData();
}
}

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/**
* Copyright (c) 2018 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.launcher3;
import static com.android.launcher3.PinnedAppListViewModel.PINNED_APPS_KEY;
import android.app.Application;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.AsyncTask;
import androidx.lifecycle.AndroidViewModel;
import androidx.lifecycle.LiveData;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
/**
* A view model that provides a list of activities that were pinned by user to always display on
* home screen.
* The pinned activities are stored in {@link SharedPreferences} to keep the sample simple :).
*/
public class PinnedAppListViewModel extends AndroidViewModel {
final static String PINNED_APPS_KEY = "pinned_apps";
private final PinnedAppListLiveData mLiveData;
public PinnedAppListViewModel(Application application) {
super(application);
mLiveData = new PinnedAppListLiveData(application);
}
public LiveData<List<AppEntry>> getPinnedAppList() {
return mLiveData;
}
}
class PinnedAppListLiveData extends LiveData<List<AppEntry>> {
private final Context mContext;
private final PackageManager mPackageManager;
// Store listener reference, so it won't be GC-ed.
private final SharedPreferences.OnSharedPreferenceChangeListener mChangeListener;
private int mCurrentDataVersion;
public PinnedAppListLiveData(Context context) {
mContext = context;
mPackageManager = context.getPackageManager();
final SharedPreferences prefs = context.getSharedPreferences(PINNED_APPS_KEY, 0);
mChangeListener = (preferences, key) -> {
loadData();
};
prefs.registerOnSharedPreferenceChangeListener(mChangeListener);
loadData();
}
private void loadData() {
final int loadDataVersion = ++mCurrentDataVersion;
new AsyncTask<Void, Void, List<AppEntry>>() {
@Override
protected List<AppEntry> doInBackground(Void... voids) {
List<AppEntry> entries = new ArrayList<>();
final SharedPreferences sp = mContext.getSharedPreferences(PINNED_APPS_KEY, 0);
final Set<String> pinnedAppsComponents = sp.getStringSet(PINNED_APPS_KEY, null);
if (pinnedAppsComponents == null) {
return null;
}
for (String componentString : pinnedAppsComponents) {
final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
mainIntent.setComponent(ComponentName.unflattenFromString(componentString));
mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
final List<ResolveInfo> apps = mPackageManager.queryIntentActivities(mainIntent,
PackageManager.GET_META_DATA);
if (apps != null) {
for (ResolveInfo app : apps) {
final AppEntry entry = new AppEntry(app, mPackageManager);
entries.add(entry);
}
}
}
return entries;
}
@Override
protected void onPostExecute(List<AppEntry> data) {
if (mCurrentDataVersion == loadDataVersion) {
setValue(data);
}
}
}.execute();
}
}

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/**
* Copyright (c) 2018 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.launcher3;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.GridView;
import androidx.fragment.app.DialogFragment;
import com.android.launcher3.R;
/**
* Callback to be invoked when an app was picked.
*/
interface AppPickedCallback {
void onAppPicked(AppEntry appEntry);
}
/**
* Dialog that provides the user with a list of available apps to pin to the home screen.
*/
public class PinnedAppPickerDialog extends DialogFragment {
private AppListAdapter mAppListAdapter;
private AppPickedCallback mAppPickerCallback;
public PinnedAppPickerDialog() {
}
public static PinnedAppPickerDialog newInstance(AppListAdapter appListAdapter,
AppPickedCallback callback) {
PinnedAppPickerDialog
frag = new PinnedAppPickerDialog();
frag.mAppListAdapter = appListAdapter;
frag.mAppPickerCallback = callback;
return frag;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.app_picker_dialog, container);
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
GridView appGridView = view.findViewById(R.id.picker_app_grid);
appGridView.setAdapter(mAppListAdapter);
appGridView.setOnItemClickListener((adapterView, itemView, position, id) -> {
final AppEntry entry = mAppListAdapter.getItem(position);
mAppPickerCallback.onAppPicked(entry);
dismiss();
});
}
}

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/**
* Copyright (c) 2018 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.launcher3;
import static com.android.launcher3.PinnedAppListViewModel.PINNED_APPS_KEY;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.app.AlertDialog;
import android.app.Application;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.os.Bundle;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewAnimationUtils;
import android.view.inputmethod.InputMethodManager;
import android.widget.GridView;
import android.widget.ImageButton;
import android.widget.PopupMenu;
import androidx.fragment.app.FragmentActivity;
import androidx.fragment.app.FragmentManager;
import androidx.lifecycle.ViewModelProvider;
import androidx.lifecycle.ViewModelProvider.AndroidViewModelFactory;
import com.google.android.material.circularreveal.cardview.CircularRevealCardView;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import java.util.HashSet;
import java.util.Set;
/**
* Secondary launcher activity. It's launch mode is configured as "singleTop" to allow showing on
* multiple displays and to ensure a single instance per each display.
*/
public class SecondaryDisplayLauncher extends FragmentActivity implements AppPickedCallback,
PopupMenu.OnMenuItemClickListener {
private AppListAdapter mAppListAdapter;
private AppListAdapter mPinnedAppListAdapter;
private CircularRevealCardView mAppDrawerView;
private FloatingActionButton mFab;
private boolean mAppDrawerShown;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.secondary_display_launcher);
mAppDrawerView = findViewById(R.id.FloatingSheet);
mFab = findViewById(R.id.FloatingActionButton);
mFab.setOnClickListener((View v) -> {
showAppDrawer(true);
});
final ViewModelProvider viewModelProvider = new ViewModelProvider(getViewModelStore(),
new AndroidViewModelFactory((Application) getApplicationContext()));
mPinnedAppListAdapter = new AppListAdapter(this);
final GridView pinnedAppGridView = findViewById(R.id.pinned_app_grid);
pinnedAppGridView.setAdapter(mPinnedAppListAdapter);
pinnedAppGridView.setOnItemClickListener((adapterView, view, position, id) -> {
final AppEntry entry = mPinnedAppListAdapter.getItem(position);
launch(entry.getLaunchIntent());
});
final PinnedAppListViewModel pinnedAppListViewModel =
viewModelProvider.get(PinnedAppListViewModel.class);
pinnedAppListViewModel.getPinnedAppList().observe(this, data -> {
mPinnedAppListAdapter.setData(data);
});
mAppListAdapter = new AppListAdapter(this);
final GridView appGridView = findViewById(R.id.app_grid);
appGridView.setAdapter(mAppListAdapter);
appGridView.setOnItemClickListener((adapterView, view, position, id) -> {
final AppEntry entry = mAppListAdapter.getItem(position);
launch(entry.getLaunchIntent());
});
final AppListViewModel appListViewModel = viewModelProvider.get(AppListViewModel.class);
appListViewModel.getAppList().observe(this, data -> {
mAppListAdapter.setData(data);
});
ImageButton optionsButton = findViewById(R.id.OptionsButton);
optionsButton.setOnClickListener((View v) -> {
PopupMenu popup = new PopupMenu(this,v);
popup.setOnMenuItemClickListener(this);
MenuInflater inflater = popup.getMenuInflater();
inflater.inflate(R.menu.context_menu, popup.getMenu());
popup.show();
});
}
@Override
public boolean onMenuItemClick(MenuItem item) {
// Respond to picking one of the popup menu items.
final int id = item.getItemId();
if (id == R.id.add_app_shortcut) {
FragmentManager fm = getSupportFragmentManager();
PinnedAppPickerDialog pickerDialogFragment =
PinnedAppPickerDialog.newInstance(mAppListAdapter, this);
pickerDialogFragment.show(fm, "fragment_app_picker");
return true;
} else if (id == R.id.set_wallpaper) {
Intent intent = new Intent(Intent.ACTION_SET_WALLPAPER);
startActivity(Intent.createChooser(intent, getString(R.string.set_wallpaper)));
return true;
}
return true;
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
showAppDrawer(false);
}
public void onBackPressed() {
// If the app drawer was shown - hide it. Otherwise, not doing anything since we don't want
// to close the launcher.
showAppDrawer(false);
}
public void onNewIntent(Intent intent) {
super.onNewIntent(intent);
if (Intent.ACTION_MAIN.equals(intent.getAction())) {
// Hide keyboard.
final View v = getWindow().peekDecorView();
if (v != null && v.getWindowToken() != null) {
getSystemService(InputMethodManager.class).hideSoftInputFromWindow(
v.getWindowToken(), 0);
}
}
// A new intent will bring the launcher to top. Hide the app drawer to reset the state.
showAppDrawer(false);
}
void launch(Intent launchIntent) {
launchIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
try {
startActivity(launchIntent);
} catch (Exception e) {
final AlertDialog.Builder builder =
new AlertDialog.Builder(this, android.R.style.Theme_Material_Dialog_Alert);
builder.setTitle(R.string.couldnt_launch)
.setMessage(e.getLocalizedMessage())
.setIcon(android.R.drawable.ic_dialog_alert)
.show();
}
}
/**
* Store the picked app to persistent pinned list and update the loader.
*/
@Override
public void onAppPicked(AppEntry appEntry) {
final SharedPreferences sp = getSharedPreferences(PINNED_APPS_KEY, 0);
Set<String> pinnedApps = sp.getStringSet(PINNED_APPS_KEY, null);
if (pinnedApps == null) {
pinnedApps = new HashSet<String>();
} else {
// Always need to create a new object to make sure that the changes are persisted.
pinnedApps = new HashSet<String>(pinnedApps);
}
pinnedApps.add(appEntry.getComponentName().flattenToString());
final SharedPreferences.Editor editor = sp.edit();
editor.putStringSet(PINNED_APPS_KEY, pinnedApps);
editor.apply();
}
/**
* Show/hide app drawer card with animation.
*/
private void showAppDrawer(boolean show) {
if (show == mAppDrawerShown) {
return;
}
final Animator animator = revealAnimator(mAppDrawerView, show);
if (show) {
mAppDrawerShown = true;
mAppDrawerView.setVisibility(View.VISIBLE);
mFab.setVisibility(View.INVISIBLE);
} else {
mAppDrawerShown = false;
animator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
mAppDrawerView.setVisibility(View.INVISIBLE);
mFab.setVisibility(View.VISIBLE);
}
});
}
animator.start();
}
/**
* Create reveal/hide animator for app list card.
*/
private Animator revealAnimator(View view, boolean open) {
final int radius = (int) Math.hypot((double) view.getWidth(), (double) view.getHeight());
return ViewAnimationUtils.createCircularReveal(view, view.getRight(), view.getBottom(),
open ? 0 : radius, open ? radius : 0);
}
}