Xiaomi: Keep only watchface tab in app management

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/appmanager/AppManagerActivity.java

@@ -45,6 +45,7 @@ import nodomain.freeyourgadget.gadgetbridge.R;
 import nodomain.freeyourgadget.gadgetbridge.activities.AbstractFragmentPagerAdapter;
 import nodomain.freeyourgadget.gadgetbridge.activities.AbstractGBFragmentActivity;
 import nodomain.freeyourgadget.gadgetbridge.activities.FwAppInstallerActivity;
+import nodomain.freeyourgadget.gadgetbridge.devices.DeviceCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
 import nodomain.freeyourgadget.gadgetbridge.util.FileUtils;
 
@@ -56,6 +57,8 @@ public class AppManagerActivity extends AbstractGBFragmentActivity {
 
     private GBDevice mGBDevice = null;
 
+    private List<String> enabledTabsList;
+
     public GBDevice getGBDevice() {
         return mGBDevice;
     }
@@ -75,6 +78,20 @@ public class AppManagerActivity extends AbstractGBFragmentActivity {
             throw new IllegalArgumentException("Must provide a device when invoking this activity");
         }
 
+        final DeviceCoordinator coordinator = mGBDevice.getDeviceCoordinator();
+
+        enabledTabsList = new ArrayList<>();
+
+        if (coordinator.supportsCachedAppManagement(mGBDevice)) {
+            enabledTabsList.add("cache");
+        }
+        if (coordinator.supportsInstalledAppManagement(mGBDevice)) {
+            enabledTabsList.add("apps");
+        }
+        if (coordinator.supportsWatchfaceManagement(mGBDevice)) {
+            enabledTabsList.add("watchfaces");
+        }
+
         FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
         assert fab != null;
         fab.setOnClickListener(new View.OnClickListener() {
@@ -114,12 +131,12 @@ public class AppManagerActivity extends AbstractGBFragmentActivity {
         @Override
         public Fragment getItem(int position) {
             // getItem is called to instantiate the fragment for the given page.
-            switch (position) {
-                case 0:
+            switch (enabledTabsList.get(position)) {
+                case "cache":
                     return new AppManagerFragmentCache();
-                case 1:
+                case "apps":
                     return new AppManagerFragmentInstalledApps();
-                case 2:
+                case "watchfaces":
                     return new AppManagerFragmentInstalledWatchfaces();
             }
             return null;
@@ -127,19 +144,18 @@ public class AppManagerActivity extends AbstractGBFragmentActivity {
 
         @Override
         public int getCount() {
-            return 3;
+            return enabledTabsList.toArray().length;
         }
 
         @Override
         public CharSequence getPageTitle(int position) {
-            switch (position) {
-                case 0:
+            switch (enabledTabsList.get(position)) {
+                case "cache":
                     return getString(R.string.appmanager_cached_watchapps_watchfaces);
-                case 1:
+                case "apps":
                     return getString(R.string.appmanager_installed_watchapps);
-                case 2:
+                case "watchfaces":
                     return getString(R.string.appmanager_installed_watchfaces);
-                case 3:
             }
             return super.getPageTitle(position);
         }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/AbstractDeviceCoordinator.java

@@ -314,6 +314,27 @@ public abstract class AbstractDeviceCoordinator implements DeviceCoordinator {
         return false;
     }
 
+    @Override
+    public boolean supportsCachedAppManagement(final GBDevice device) {
+        try {
+            return supportsAppsManagement(device) && getAppCacheDir() != null;
+        } catch (final Exception e) {
+            // we failed, but still tried, so it's supported..
+            LOG.error("Failed to get app cache dir", e);
+            return true;
+        }
+    }
+
+    @Override
+    public boolean supportsInstalledAppManagement(final GBDevice device) {
+        return supportsAppsManagement(device);
+    }
+
+    @Override
+    public boolean supportsWatchfaceManagement(final GBDevice device) {
+        return supportsAppsManagement(device);
+    }
+
     @Nullable
     @Override
     public Class<? extends Activity> getAppsManagementActivity() {

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/DeviceCoordinator.java

@@ -353,6 +353,10 @@ public interface DeviceCoordinator {
      */
     boolean supportsAppsManagement(GBDevice device);
 
+    boolean supportsCachedAppManagement(GBDevice device);
+    boolean supportsInstalledAppManagement(GBDevice device);
+    boolean supportsWatchfaceManagement(GBDevice device);
+
     /**
      * Returns the Activity class that will be used to manage device apps.
      *

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/xiaomi/XiaomiCoordinator.java

@@ -134,6 +134,21 @@ public abstract class XiaomiCoordinator extends AbstractBLEDeviceCoordinator {
         return true;
     }
 
+    @Override
+    public boolean supportsCachedAppManagement(GBDevice device) {
+        return false;
+    }
+
+    @Override
+    public boolean supportsInstalledAppManagement(GBDevice device) {
+        return false;
+    }
+
+    @Override
+    public boolean supportsWatchfaceManagement(GBDevice device) {
+        return supportsAppsManagement(device);
+    }
+
     @Override
     public Class<? extends Activity> getAppsManagementActivity() {
         return AppManagerActivity.class;