Java tutorial
/* * Copyright (C) 2015 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.systemui.tuner; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.app.ActivityManager; import android.app.AlertDialog; import android.app.Fragment; import android.content.ClipData; import android.content.ClipDescription; import android.content.Context; import android.content.DialogInterface; import android.graphics.Canvas; import android.graphics.Point; import android.graphics.PointF; import android.graphics.Rect; import android.graphics.drawable.Drawable; import android.os.Bundle; import android.provider.Settings.Secure; import android.support.v4.view.ViewPager; import android.text.TextUtils; import android.util.Log; import android.view.DragEvent; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnDragListener; import android.view.ViewGroup; import android.widget.EditText; import android.widget.FrameLayout; import android.widget.ScrollView; import com.android.internal.logging.MetricsLogger; import com.android.systemui.R; import com.android.systemui.qs.QSDragPanel; import com.android.systemui.qs.QSPage; import com.android.systemui.qs.QSPanel; import com.android.systemui.qs.QSTile; import com.android.systemui.qs.QSTile.Host.Callback; import com.android.systemui.qs.QSTile.ResourceIcon; import com.android.systemui.qs.QSTileView; import com.android.systemui.qs.tiles.IntentTile; import com.android.systemui.statusbar.phone.QSTileHost; import com.android.systemui.statusbar.policy.SecurityController; import java.util.ArrayList; import java.util.Collections; import java.util.List; public class QsTuner extends Fragment implements Callback { private static final String TAG = "QsTuner"; private static final int MENU_RESET = Menu.FIRST; private static final int MENU_EDIT = Menu.FIRST + 1; private DraggableQsPanel mQsPanel; private CustomHost mTileHost; private ScrollView mScrollRoot; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setHasOptionsMenu(true); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { menu.add(0, MENU_RESET, 0, com.android.internal.R.string.reset); menu.add(0, MENU_EDIT, 0, "toggle edit"); } public void onResume() { super.onResume(); MetricsLogger.visibility(getContext(), MetricsLogger.TUNER_QS, true); } public void onPause() { super.onPause(); MetricsLogger.visibility(getContext(), MetricsLogger.TUNER_QS, false); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case MENU_EDIT: mQsPanel.setEditing(!mQsPanel.isEditing()); break; case MENU_RESET: mTileHost.resetTiles(); break; case android.R.id.home: getFragmentManager().popBackStack(); break; } return super.onOptionsItemSelected(item); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { mScrollRoot = (ScrollView) inflater.inflate(R.layout.tuner_qs, container, false); mQsPanel = new DraggableQsPanel(getContext()); mTileHost = new CustomHost(getContext()); mTileHost.setCallback(this); mQsPanel.setTiles(mTileHost.getTiles()); mQsPanel.setHost(mTileHost); mQsPanel.refreshAllTiles(); ((ViewGroup) mScrollRoot.findViewById(R.id.all_details)).addView(mQsPanel, 0); return mScrollRoot; } @Override public void onDestroyView() { mTileHost.destroy(); super.onDestroyView(); } @Override public void onTilesChanged() { mQsPanel.setTiles(mTileHost.getTiles()); } @Override public void setEditing(boolean editing) { mQsPanel.setEditing(editing); } @Override public boolean isEditing() { return mTileHost.isEditing(); } @Override public void goToSettingsPage() { } @Override public void resetTiles() { } private static class CustomHost extends QSTileHost { public CustomHost(Context context) { super(context, null, null, null, null, null, null, null, null, null, null, null, new BlankSecurityController(), null); } @Override public QSTile<?> createTile(String tileSpec) { return new DraggableTile(this, tileSpec); } public void replace(String oldTile, String newTile) { if (oldTile.equals(newTile)) { return; } MetricsLogger.action(getContext(), MetricsLogger.TUNER_QS_REORDER, oldTile + "," + newTile); List<String> order = new ArrayList<>(mTileSpecs); int index = order.indexOf(oldTile); if (index < 0) { Log.e(TAG, "Can't find " + oldTile); return; } order.remove(newTile); order.add(index, newTile); setTiles(order); } private static class BlankSecurityController implements SecurityController { @Override public boolean hasDeviceOwner() { return false; } @Override public boolean hasProfileOwner() { return false; } @Override public String getDeviceOwnerName() { return null; } @Override public String getProfileOwnerName() { return null; } @Override public boolean isVpnEnabled() { return false; } @Override public String getPrimaryVpnName() { return null; } @Override public String getProfileVpnName() { return null; } @Override public void onUserSwitched(int newUserId) { } @Override public void addCallback(SecurityControllerCallback callback) { } @Override public void removeCallback(SecurityControllerCallback callback) { } } } public static class DraggableTile extends QSTile<QSTile.State> { private String mSpec; private QSTileView mView; protected DraggableTile(QSTile.Host host, String tileSpec) { super(host); Log.d(TAG, "Creating tile " + tileSpec); mSpec = tileSpec; } @Override public QSTileView createTileView(Context context) { mView = super.createTileView(context); return mView; } @Override public boolean hasDualTargetsDetails() { return "wifi".equals(mSpec) || "bt".equals(mSpec); } @Override public void setListening(boolean listening) { } @Override protected QSTile.State newTileState() { return new QSTile.State(); } @Override protected void handleClick() { } @Override protected void handleUpdateState(QSTile.State state, Object arg) { state.visible = true; state.icon = ResourceIcon.get(getIcon()); state.label = getLabel(); } private String getLabel() { int resource = QSTileHost.getLabelResource(mSpec); if (resource != 0) { return mContext.getString(resource); } if (mSpec.startsWith(IntentTile.PREFIX)) { int lastDot = mSpec.lastIndexOf('.'); if (lastDot >= 0) { return mSpec.substring(lastDot + 1, mSpec.length() - 1); } else { return mSpec.substring(IntentTile.PREFIX.length(), mSpec.length() - 1); } } return mSpec; } private int getIcon() { if (mSpec.equals("wifi")) return R.drawable.ic_qs_wifi_full_3; else if (mSpec.equals("bt")) return R.drawable.ic_qs_bluetooth_connected; else if (mSpec.equals("inversion")) return R.drawable.ic_invert_colors_enable; else if (mSpec.equals("cell")) return R.drawable.ic_qs_signal_full_3; else if (mSpec.equals("airplane")) return R.drawable.ic_signal_airplane_enable; else if (mSpec.equals("dnd")) return R.drawable.ic_qs_dnd_on; else if (mSpec.equals("rotation")) return R.drawable.ic_portrait_from_auto_rotate; else if (mSpec.equals("flashlight")) return R.drawable.ic_signal_flashlight_enable; else if (mSpec.equals("location")) return R.drawable.ic_signal_location_enable; else if (mSpec.equals("cast")) return R.drawable.ic_qs_cast_on; else if (mSpec.equals("hotspot")) return R.drawable.ic_hotspot_enable; else if (mSpec.equals("adb_network")) return R.drawable.ic_qs_network_adb_on; return R.drawable.android; } @Override public int getMetricsCategory() { return 20000; } @Override public boolean equals(Object o) { if (o instanceof DraggableTile) { return mSpec.equals(((DraggableTile) o).mSpec); } return false; } @Override public String toString() { return mSpec; } } private class DraggableQsPanel extends QSDragPanel { public DraggableQsPanel(Context context) { super(context); setEditing(true); } } }