SystemUI 下拉框自定义（AN 9.0）

1 dump 出ui 布局

uiautomator dump

以sound 为例找出其ui布局节点如下：

... ... ... ...
text="Sound" resource-id="com.android.systemui:id/tile_label" class="android.widget.TextView" package="com.android.systemui" content-desc=""
... ... ... ...

2 从代码找出相关布局元素

很明显包名为SystemUI 因此去frameworks/base/packages/SystemUI 下查询tile_label，得：

./src/com/android/systemui/qs/tileimpl/QSTileView.java:85:                .inflate(R.layout.qs_tile_label, this, false);
./src/com/android/systemui/qs/tileimpl/QSTileView.java:88:        mLabel = mLabelContainer.findViewById(R.id.tile_label);
./src/com/android/systemui/qs/customize/TileAdapter.java:272:                    R.string.accessibility_qs_edit_add_tile_label, info.state.label);
./src/com/android/systemui/qs/customize/TileAdapter.java:278:                    R.string.accessibility_qs_edit_tile_label, position + 1, info.state.label);
./src/com/android/systemui/qs/customize/TileAdapter.java:449:            mTileView.findViewById(R.id.tile_label).clearAnimation();
./src/com/android/systemui/qs/customize/TileAdapter.java:450:            mTileView.findViewById(R.id.tile_label).setAlpha(1);
./src/com/android/systemui/qs/customize/TileAdapter.java:460:            mTileView.findViewById(R.id.tile_label).animate()
./src/com/android/systemui/qs/customize/TileAdapter.java:473:            mTileView.findViewById(R.id.tile_label).animate()

分析相关代码添加逻辑：
由此可知该元素很可能叫做：QSTileView
实际查看代码定义也确实如此：

public class QSTileView extends QSTileBaseView {
    private static final int MAX_LABEL_LINES = 2;
    private static final boolean DUAL_TARGET_ALLOWED = false;
    private View mDivider;
    protected TextView mLabel;
    protected TextView mSecondLine;
    private ImageView mPadLock;
    private int mState;
    private ViewGroup mLabelContainer;
    private View mExpandIndicator;
    private View mExpandSpace;

3 查找QSTileView 的调用

./tests/src/com/android/systemui/qs/TileLayoutTest.java:38:import com.android.systemui.qs.tileimpl.QSTileView;
./tests/src/com/android/systemui/qs/TileLayoutTest.java:63:        tileRecord.tileView = spy(new QSTileView(mContext, new QSIconViewImpl(mContext)));
./plugin/src/com/android/systemui/plugins/qs/QSFactory.java:27:@DependsOn(target = QSTileView.class)
./plugin/src/com/android/systemui/plugins/qs/QSFactory.java:34:    QSTileView createTileView(QSTile tile, boolean collapsedView);
./plugin/src/com/android/systemui/plugins/qs/QSTileView.java:25:@ProvidesInterface(version = QSTileView.VERSION)
./plugin/src/com/android/systemui/plugins/qs/QSTileView.java:28:public abstract class QSTileView extends LinearLayout {
./plugin/src/com/android/systemui/plugins/qs/QSTileView.java:31:    public QSTileView(Context context) {
./src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java:24:import com.android.systemui.plugins.qs.QSTileView;
./src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java:120:    public QSTileView createTileView(QSTile tile, boolean collapsedView) {
./src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java:126:            return new com.android.systemui.qs.tileimpl.QSTileView(context, icon);
./src/com/android/systemui/qs/tileimpl/QSTileView.java:38:public class QSTileView extends QSTileBaseView {
./src/com/android/systemui/qs/tileimpl/QSTileView.java:50:    public QSTileView(Context context, QSIconView icon) {
./src/com/android/systemui/qs/tileimpl/QSTileView.java:54:    public QSTileView(Context context, QSIconView icon, boolean collapsedView) {
./src/com/android/systemui/qs/tileimpl/QSTileBaseView.java:46:public class QSTileBaseView extends com.android.systemui.plugins.qs.QSTileView {
./src/com/android/systemui/qs/tileimpl/QSTileBaseView.java:71:        // Default to Quick Tile padding, and QSTileView will specify its own padding.
./src/com/android/systemui/qs/QSPanel.java:43:import com.android.systemui.plugins.qs.QSTileView;
./src/com/android/systemui/qs/QSPanel.java:416:    protected QSTileView createTileView(QSTile tile, boolean collapsedView) {
./src/com/android/systemui/qs/QSPanel.java:601:    QSTileView getTileView(QSTile tile) {
./src/com/android/systemui/qs/QSPanel.java:652:        public com.android.systemui.plugins.qs.QSTileView tileView;
./src/com/android/systemui/qs/customize/CustomizeTileView.java:23:import com.android.systemui.qs.tileimpl.QSTileView;
./src/com/android/systemui/qs/customize/CustomizeTileView.java:25:public class CustomizeTileView extends QSTileView {
./src/com/android/systemui/qs/QuickQSPanel.java:32:import com.android.systemui.plugins.qs.QSTileView;
./src/com/android/systemui/qs/QuickQSPanel.java:277:        private int getChildIndex(QSTileView tileView) {
./src/com/android/systemui/qs/QSTileHost.java:36:import com.android.systemui.plugins.qs.QSTileView;
./src/com/android/systemui/qs/QSTileHost.java:293:    public QSTileView createTileView(QSTile tile, boolean collapsedView) {
./src/com/android/systemui/qs/QSTileHost.java:295:            QSTileView view = mQsFactories.get(i).createTileView(tile, collapsedView);
./src/com/android/systemui/qs/QSAnimator.java:25:import com.android.systemui.plugins.qs.QSTileView;
./src/com/android/systemui/qs/QSAnimator.java:177:            QSTileView tileView = mQsPanel.getTileView(tile);
./src/com/android/systemui/qs/QSAnimator.java:186:                QSTileView quickTileView = mQuickQsPanel.getTileView(tile);

从createTileView 方法查看：

./plugin/src/com/android/systemui/plugins/qs/QSFactory.java:34:    QSTileView createTileView(QSTile tile, boolean collapsedView);
./plugin/src/com/android/systemui/plugins/qs/QSTile.java:53:    QSIconView createTileView(Context context);
./src/com/android/systemui/qs/tileimpl/QSTileImpl.java:138:    public QSIconView createTileView(Context context) {
./src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java:120:    public QSTileView createTileView(QSTile tile, boolean collapsedView) {
./src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java:122:        QSIconView icon = tile.createTileView(context);
./src/com/android/systemui/qs/QSPanel.java:416:    protected QSTileView createTileView(QSTile tile, boolean collapsedView) {
./src/com/android/systemui/qs/QSPanel.java:417:        return mHost.createTileView(tile, collapsedView);
./src/com/android/systemui/qs/QSPanel.java:427:        r.tileView = createTileView(tile, collapsedView);
./src/com/android/systemui/qs/QSTileHost.java:293:    public QSTileView createTileView(QSTile tile, boolean collapsedView) {
./src/com/android/systemui/qs/QSTileHost.java:295:            QSTileView view = mQsFactories.get(i).createTileView(tile, collapsedView);
./src/com/android/systemui/qs/tiles/WifiTile.java:108:    public QSIconView createTileView(Context context) {
./src/com/android/systemui/qs/tiles/CellularTile.java:95:    public QSIconView createTileView(Context context) {

定位到顶层调用

./src/com/android/systemui/qs/QSPanel.java:416


    protected QSTileView createTileView(QSTile tile, boolean collapsedView) {
        return mHost.createTileView(tile, collapsedView);
    }

    protected boolean shouldShowDetail() {
        return mExpanded;
    }

    protected TileRecord addTile(final QSTile tile, boolean collapsedView) {
        final TileRecord r = new TileRecord();
        r.tile = tile;
        r.tileView = createTileView(tile, collapsedView);

再定位addTile

./tests/src/com/android/systemui/qs/TileLayoutTest.java:70:        mTileLayout.addTile(tileRecord);
./tests/src/com/android/systemui/qs/TileLayoutTest.java:77:        mTileLayout.addTile(tileRecord);
./tests/src/com/android/systemui/qs/TileLayoutTest.java:85:        mTileLayout.addTile(tileRecord);
./tests/src/com/android/systemui/qs/TileLayoutTest.java:94:        mTileLayout.addTile(tileRecord);
./tests/src/com/android/systemui/qs/TileLayoutTest.java:102:        mTileLayout.addTile(tileRecord);
./tests/src/com/android/systemui/qs/TileLayoutTest.java:112:        mTileLayout.addTile(tileRecord1);
./tests/src/com/android/systemui/qs/TileLayoutTest.java:113:        mTileLayout.addTile(tileRecord2);
./tests/src/com/android/systemui/qs/TileLayoutTest.java:122:        mTileLayout.addTile(tileRecord);
./tests/src/com/android/systemui/qs/TileLayoutTest.java:132:        mTileLayout.addTile(tileRecord1);
./tests/src/com/android/systemui/qs/TileLayoutTest.java:133:        mTileLayout.addTile(tileRecord2);
./tests/src/com/android/systemui/statusbar/phone/AutoTileManagerTest.java:63:        verify(mQsTileHost).addTile("night");
./tests/src/com/android/systemui/statusbar/phone/AutoTileManagerTest.java:72:        verify(mQsTileHost, never()).addTile("night");
./tests/src/com/android/systemui/statusbar/phone/AutoTileManagerTest.java:82:        verify(mQsTileHost).addTile("night");
./tests/src/com/android/systemui/statusbar/phone/AutoTileManagerTest.java:92:        verify(mQsTileHost).addTile("night");
./tests/src/com/android/systemui/statusbar/phone/AutoTileManagerTest.java:102:        verify(mQsTileHost, never()).addTile("night");
./src/com/android/systemui/qs/PagedTileLayout.java:162:    public void addTile(TileRecord tile) {
./src/com/android/systemui/qs/PagedTileLayout.java:227:            mPages.get(index).addTile(tile);
./src/com/android/systemui/qs/QSPanel.java:408:            addTile(tile, collapsedView);
./src/com/android/systemui/qs/QSPanel.java:424:    protected TileRecord addTile(final QSTile tile, boolean collapsedView) {
./src/com/android/systemui/qs/QSPanel.java:473:            mTileLayout.addTile(r);
./src/com/android/systemui/qs/QSPanel.java:658:        void addTile(TileRecord tile);
./src/com/android/systemui/qs/QSTileRevealController.java:30:                    addTileSpecsToRevealed(mTilesToReveal);
./src/com/android/systemui/qs/QSTileRevealController.java:62:            addTileSpecsToRevealed(tileSpecs);
./src/com/android/systemui/qs/QSTileRevealController.java:70:    private void addTileSpecsToRevealed(ArraySet<String> specs) {
./src/com/android/systemui/qs/customize/TileQueryHelper.java:111:                addTile(tile.getTileSpec(), null, state, true);
./src/com/android/systemui/qs/customize/TileQueryHelper.java:138:                    addTile(spec, appLabel, state, false);
./src/com/android/systemui/qs/customize/TileQueryHelper.java:154:                addTile(spec, icon, label != null ? label.toString() : "null", appLabel);
./src/com/android/systemui/qs/customize/TileQueryHelper.java:178:    private void addTile(String spec, CharSequence appLabel, State state, boolean isSystem) {
./src/com/android/systemui/qs/customize/TileQueryHelper.java:195:    private void addTile(
./src/com/android/systemui/qs/customize/TileQueryHelper.java:201:        addTile(spec, appLabel, state, false);
./src/com/android/systemui/qs/QuickQSPanel.java:242:        public void addTile(TileRecord tile) {
./src/com/android/systemui/qs/QSTileHost.java:236:    public void addTile(String spec) {
./src/com/android/systemui/qs/QSTileHost.java:248:    public void addTile(ComponentName tile) {
./src/com/android/systemui/qs/TileLayout.java:56:    public void addTile(TileRecord tile) {
./src/com/android/systemui/statusbar/phone/StatusBar.java:1459:            mQSPanel.getHost().addTile(tile);
./src/com/android/systemui/statusbar/phone/AutoTileManager.java:71:                        mHost.addTile(INVERSION);
./src/com/android/systemui/statusbar/phone/AutoTileManager.java:105:                        mHost.addTile(WORK);
./src/com/android/systemui/statusbar/phone/AutoTileManager.java:124:                mHost.addTile(SAVER);
./src/com/android/systemui/statusbar/phone/AutoTileManager.java:137:                mHost.addTile(HOTSPOT);
./src/com/android/systemui/statusbar/phone/AutoTileManager.java:165:            mHost.addTile(NIGHT);

找到

./src/com/android/systemui/qs/QSTileHost.java:236
    public void addTile(String spec) {
        final String setting = Settings.Secure.getStringForUser(mContext.getContentResolver(),
                TILES_SETTING, ActivityManager.getCurrentUser());
        final List<String> tileSpecs = loadTileSpecs(mContext, setting);
        if (tileSpecs.contains(spec)) {
            return;
        }
        tileSpecs.add(spec);
        Settings.Secure.putStringForUser(mContext.getContentResolver(), TILES_SETTING,
                TextUtils.join(",", tileSpecs), ActivityManager.getCurrentUser());
    }

    public void addTile(ComponentName tile) {
        List<String> newSpecs = new ArrayList<>(mTileSpecs);
        newSpecs.add(0, CustomTile.toSpec(tile));
        changeTiles(mTileSpecs, newSpecs);
    }

此处我们已经知道可以通过设置得到下拉菜单得设置了：

settings get secure TILES_SETTING

我手机：
settings get secure sysui_qs_tiles
WIFI,DATA,BLUETOOTH,NFC,SOUND,ROTATION,FLASHLIGHT,AIRPLANE,SYNC,HOTSPOT,QMEMO,BATTERY_SAVER,LOCATION,DO_NOT_DISTURB,DATA_SAVER

查看final List<String> tileSpecs = loadTileSpecs(mContext, setting);：

    protected List<String> loadTileSpecs(Context context, String tileList) {
        final Resources res = context.getResources();
        final String defaultTileList = res.getString(R.string.quick_settings_tiles_default);
        if (tileList == null) {
            tileList = res.getString(R.string.quick_settings_tiles);
            if (DEBUG) Log.d(TAG, "Loaded tile specs from config: " + tileList);
        } else {
            if (DEBUG) Log.d(TAG, "Loaded tile specs from setting: " + tileList);
        }
        final ArrayList<String> tiles = new ArrayList<String>();
        boolean addedDefault = false;
        for (String tile : tileList.split(",")) {
            tile = tile.trim();
            if (tile.isEmpty()) continue;
            if (tile.equals("default")) {
                if (!addedDefault) {
                    tiles.addAll(Arrays.asList(defaultTileList.split(",")));
                    addedDefault = true;
                }
            } else {
                tiles.add(tile);
            }
        }
        return tiles;
    }

由上可知修改出厂默认下拉框元素可以修改xml文件

quick_settings_tiles_default
quick_settings_tiles

4 进阶

三方应用下拉框设置查询如下：

settings get secure sysui_qs_tiles
WIFI,DATA,BLUETOOTH,NFC,SOUND,ROTATION,FLASHLIGHT,AIRPLANE,SYNC,HOTSPOT,QMEMO,BATTERY_SAVER,LOCATION,DO_NOT_DISTURB,DATA_SAVER,custom(com.google.android.gms/.nearby.sharing.SharingTileService)

显然，实现TileService 即可
https://developer.android.com/reference/android/service/quicksettings/TileService

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