效果图
MainActivity
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
proceedWithAppLaunch(savedInstanceState);
}
private void proceedWithAppLaunch(Bundle savedInstanceState) {
--------------------------------------------------------
setContentView(R.layout.tb_main);
--------------------------------------------------------
startTaskbarService();
--------------------------------------------------------
}
private void startTaskbarService() {
startService(new Intent(this, TaskbarService.class));
startService(new Intent(this, StartMenuService.class));
startService(new Intent(this, DashboardService.class));
}
}
TaskbarService
public class TaskbarService extends UIHostService {
@Override
public UIController newController() {
return new TaskbarController(this);
}
}
UIHostService
public abstract class UIHostService extends Service implements UIHost {
private UIController controller;
private WindowManager windowManager;
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
return START_STICKY;
}
@Override
public void onCreate() {
super.onCreate();
windowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
controller = newController();
controller.onCreateHost(this);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
controller.onRecreateHost(this);
}
@Override
public void onDestroy() {
super.onDestroy();
controller.onDestroyHost(this);
}
@Override
public void addView(View view, ViewParams params) {
windowManager.addView(view, params.toWindowManagerParams());
}
@Override
public void removeView(View view) {
windowManager.removeView(view);
}
@Override
public void terminate() {
stopSelf();
}
public abstract UIController newController();
}
TaskbarController
public class TaskbarController extends UIController {
private LinearLayout taskbar;
private void drawTaskbar(UIHost host) {
----------------------------------------------------------------------
layoutId = getTaskbarLayoutId(taskbarPosition);
---------------------------------------------------------------------
layout = (LinearLayout) LayoutInflater.from(U.wrapContext(context)).inflate(layoutId, null);
taskbar = layout.findViewById(R.id.taskbar);
---------------------------------------------------------------------
startRefreshingRecents();
host.addView(layout, params);
}
int getTaskbarLayoutId(String taskbarPosition) {
int layoutId = R.layout.tb_taskbar_left;
}
// 获取最近启动的应用列表
private void startRefreshingRecents() {
updateRecentApps(true);
}
private void updateRecentApps(final boolean firstRefresh) {
---------------------------------------------------------
taskbar.removeAllViews();
for(int i = 0; i < entries.size(); i++) {
taskbar.addView(getView(entries, i));
}
---------------------------------------------------------
}
private View getView(List<AppEntry> list, int position) {
View convertView = View.inflate(context, R.layout.tb_icon, null);
----------------------------------------------------------------
FrameLayout layout = convertView.findViewById(R.id.entry);
layout.setOnClickListener(view -> U.launchApp(
context,
entry,
null,
true,
false,
view
));
}
}
StartMenuService
public class StartMenuService extends UIHostService {
@Override
public UIController newController() {
return new StartMenuController(this);
}
}
StartMenuController
public class StartMenuController extends UIController {
private StartMenuLayout layout;
private GridView startMenu;
@Override
public void onCreateHost(UIHost host) {
init(context, host, () -> drawStartMenu(host));
}
private void drawStartMenu(UIHost host) {
layoutId = getStartMenuLayoutId(taskbarPosition);
layout = (StartMenuLayout) LayoutInflater.from(U.wrapContext(context)).inflate(layoutId, null);
startMenu = layout.findViewById(R.id.start_menu);
startMenu.setOnItemClickListener((viewParent, view, position, id) -> {
hideStartMenu(true);
AppEntry entry = (AppEntry) viewParent.getAdapter().getItem(position);
// 启动应用
U.launchApp(context, entry, null, false, false, view);
});
host.addView(layout, params);
}
int getStartMenuLayoutId(String taskbarPosition) {
return R.layout.tb_start_menu_left;
}
}
启动参数
public class U {
private static void launchApp(final Context context,
final AppEntry entry, // 应用信息
final String windowSize, // 窗口大小
final boolean launchedFromTaskbar, // 是否从任务栏启动
final boolean isPersistentShortcut,
final boolean openInNewWindow, // 是否在新的窗口打开
final ShortcutInfo shortcut,
final View view,
final Runnable onError) {
launchApp(context, launchedFromTaskbar, isPersistentShortcut, () ->
continueLaunchingApp(context, entry, windowSize, openInNewWindow, shortcut, view, onError)
);
}
private static void continueLaunchingApp(Context context,
AppEntry entry,
String windowSize,
boolean openInNewWindow,
ShortcutInfo shortcut,
View view,
Runnable onError) {
Intent intent = new Intent();
intent.setComponent(ComponentName.unflattenFromString(entry.getComponentName()));
intent.setAction(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
// 关闭动画
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
-------------------------------------------------------------------------------------------
// 获取启动参数
// android.activity.windowingMode=5 (freeform)
// android:activity.launchBounds=Rect(600, 36 - 1200, 1280)
Bundle bundle = getActivityOptionsBundle(context, type, windowSize, view, entry.getPackageName());
prepareToStartActivity(context, realOpenInNewWindow, () -> {
context.startActivity(intent, bundle);
});
if(shouldCollapse(context, true)) {
sendBroadcast(context, ACTION_HIDE_TASKBAR);
} else {
sendBroadcast(context, ACTION_HIDE_START_MENU);
}
}
}
主界面-AboutFragment
public class AboutFragment extends SettingsFragment {
@Override
public boolean onPreferenceClick(final Preference p) {
final SharedPreferences pref = U.getSharedPreferences(getActivity());
switch(p.getKey()) {
case PREF_PREF_SCREEN_GENERAL:
navigateTo(new GeneralFragment()); // 常规设置
break;
case PREF_PREF_SCREEN_APPEARANCE: // 外观
navigateTo(new AppearanceFragment());
break;
case PREF_PREF_SCREEN_RECENT_APPS: // 最近应用
navigateTo(new RecentAppsFragment());
break;
case PREF_PREF_SCREEN_FREEFORM:
navigateTo(new FreeformModeFragment()); // 自由模式
break;
case PREF_PREF_SCREEN_DESKTOP_MODE:
navigateTo(new DesktopModeFragment()); // 桌面模式
break;
case PREF_PREF_SCREEN_ADVANCED:
navigateTo(new AdvancedFragment()); // 高级功能
break;
}
return super.onPreferenceClick(p);
}
}
