Merge pull request willowtreeapps#72 from ToxicBakery/feature/minimum-required-api

willowtreeapps#71 Added minimum api level support to plugins

Author: Kritarie

hyperion-core/src/main/java/com/willowtreeapps/hyperion/core/internal/AppComponent.java

@@ -33,7 +33,9 @@ static void init(Application application) {
                                 .appModule(new AppModule(application))
                                 .build();
                         for (Plugin plugin : ServiceLoader.load(Plugin.class)) {
-                            plugin.create(application, INSTANCE.getApplicationExtension());
+                            if (plugin.deviceMeetsMinimumApiRequirement()) {
+                                plugin.create(application, INSTANCE.getApplicationExtension());
+                            }
                         }
                     }
                 }

hyperion-core/src/main/java/com/willowtreeapps/hyperion/core/internal/PluginLoader.java

@@ -5,6 +5,7 @@
 import com.willowtreeapps.hyperion.core.PluginSource;
 import com.willowtreeapps.hyperion.plugin.v1.Plugin;
 
+import java.util.HashSet;
 import java.util.Set;
 import java.util.concurrent.Executor;
 
@@ -34,7 +35,13 @@ public void run() {
                 Try<Plugins> result;
                 try {
                     final Set<Plugin> plugins = pluginSource.getPlugins();
-                    result = Try.successful(new Plugins(plugins));
+                    Set<Plugin> compatiblePlugins = new HashSet<>();
+                    for (Plugin plugin : plugins) {
+                        if (plugin.deviceMeetsMinimumApiRequirement()) {
+                            compatiblePlugins.add(plugin);
+                        }
+                    }
+                    result = Try.successful(new Plugins(compatiblePlugins));
                 } catch (Throwable t) {
                     result = Try.failure(t);
                 }

hyperion-plugin/src/main/java/com/willowtreeapps/hyperion/plugin/v1/Plugin.java

@@ -1,6 +1,7 @@
 package com.willowtreeapps.hyperion.plugin.v1;
 
 import android.content.Context;
+import android.os.Build;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 
@@ -15,6 +16,10 @@ public final void create(@NonNull Context context, @NonNull ApplicationExtension
         onApplicationCreated(context);
     }
 
+    public final boolean deviceMeetsMinimumApiRequirement() {
+        return Build.VERSION.SDK_INT >= minimumRequiredApi();
+    }
+
     @SuppressWarnings("WeakerAccess")
     protected void onApplicationCreated(@NonNull Context context) {
 
@@ -33,4 +38,13 @@ protected ApplicationExtension getApplicationExtension() {
         return extension;
     }
 
+    /**
+     * Define the minimum required API level for the plugin. The Hyperion minimum supported API is ICS_MR1 (15).
+     *
+     * @return minimum required api level
+     */
+    protected int minimumRequiredApi() {
+        return Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1;
+    }
+
 }