Remove more obsolete code now we only support 14 and up

Author: Cristan Meijer

stetho-sample/src/debug/java/com/facebook/stetho/sample/SampleDebugApplication.java

@@ -7,12 +7,11 @@
 
 package com.facebook.stetho.sample;
 
-import android.annotation.TargetApi;
 import android.content.Context;
-import android.os.Build;
 import android.os.SystemClock;
 import android.provider.CalendarContract;
 import android.util.Log;
+
 import com.facebook.stetho.DumperPluginsProvider;
 import com.facebook.stetho.InspectorModulesProvider;
 import com.facebook.stetho.Stetho;
@@ -66,7 +65,6 @@ public Iterable<ChromeDevtoolsDomain> get() {
           .finish();
     }
 
-    @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
     private ContentProviderDatabaseDriver createContentProviderDatabaseDriver(Context context) {
       ContentProviderSchema calendarsSchema = new ContentProviderSchema.Builder()
           .table(new Table.Builder()

stetho/src/main/java/com/facebook/stetho/Stetho.java

@@ -10,9 +10,7 @@
 import android.app.Application;
 import android.content.Context;
 import android.content.SharedPreferences;
-import android.os.Build;
 
-import com.facebook.stetho.common.LogUtil;
 import com.facebook.stetho.common.Util;
 import com.facebook.stetho.dumpapp.DumpappHttpSocketLikeHandler;
 import com.facebook.stetho.dumpapp.DumpappSocketLikeHandler;
@@ -34,7 +32,6 @@
 import com.facebook.stetho.inspector.elements.Document;
 import com.facebook.stetho.inspector.elements.DocumentProviderFactory;
 import com.facebook.stetho.inspector.elements.android.ActivityTracker;
-import com.facebook.stetho.inspector.elements.android.AndroidDocumentConstants;
 import com.facebook.stetho.inspector.elements.android.AndroidDocumentProviderFactory;
 import com.facebook.stetho.inspector.protocol.ChromeDevtoolsDomain;
 import com.facebook.stetho.inspector.protocol.module.CSS;
@@ -66,6 +63,7 @@
 import java.util.List;
 import java.util.Set;
 
+import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
 /**
@@ -122,13 +120,7 @@ protected Iterable<ChromeDevtoolsDomain> getInspectorModules() {
   public static void initialize(final Initializer initializer) {
     // Hook activity tracking so that after Stetho is attached we can figure out what
     // activities are present.
-    boolean isTrackingActivities = ActivityTracker.get().beginTrackingIfPossible(
-        (Application)initializer.mContext.getApplicationContext());
-    if (!isTrackingActivities) {
-      LogUtil.w("Automatic activity tracking not available on this API level, caller must invoke " +
-          "ActivityTracker methods manually!");
-    }
-
+    ActivityTracker.get().beginTracking((Application)initializer.mContext.getApplicationContext());
     initializer.start();
   }
 
@@ -369,11 +361,9 @@ public Iterable<ChromeDevtoolsDomain> finish() {
       provideIfDesired(new Console());
       provideIfDesired(new Debugger());
       DocumentProviderFactory documentModel = resolveDocumentProvider();
-      if (documentModel != null) {
-        Document document = new Document(documentModel);
-        provideIfDesired(new DOM(document));
-        provideIfDesired(new CSS(document));
-      }
+      Document document = new Document(documentModel);
+      provideIfDesired(new DOM(document));
+      provideIfDesired(new CSS(document));
       provideIfDesired(new DOMStorage(mContext));
       provideIfDesired(new HeapProfiler());
       provideIfDesired(new Inspector());
@@ -408,15 +398,12 @@ public Iterable<ChromeDevtoolsDomain> finish() {
       return mDelegate.finish();
     }
 
-    @Nullable
+    @Nonnull
     private DocumentProviderFactory resolveDocumentProvider() {
       if (mDocumentProvider != null) {
         return mDocumentProvider;
       }
-      if (Build.VERSION.SDK_INT >= AndroidDocumentConstants.MIN_API_LEVEL) {
-        return new AndroidDocumentProviderFactory(mContext, Collections.<DescriptorProvider>emptyList());
-      }
-      return null;
+      return new AndroidDocumentProviderFactory(mContext, Collections.<DescriptorProvider>emptyList());
     }
   }
 

stetho/src/main/java/com/facebook/stetho/common/android/FragmentCompatFramework.java

@@ -19,7 +19,6 @@
 
 import javax.annotation.Nullable;
 
-@TargetApi(Build.VERSION_CODES.HONEYCOMB)
 final class FragmentCompatFramework
     extends FragmentCompat<Fragment, DialogFragment, FragmentManager, Activity> {
   private static final FragmentAccessorFrameworkHoneycomb sFragmentAccessor;

stetho/src/main/java/com/facebook/stetho/common/android/FragmentCompatUtil.java

@@ -52,8 +52,7 @@ private static Object findFragmentForViewInActivity(Activity activity, View view
       }
     }
 
-    // Try the actual Android runtime version if we are on a sufficiently high API level for it to
-    // exist.  Note that technically we can have both the support library and the framework
+    // Use the actual Android runtime version. Note that technically we can have both the support library and the framework
     // version in the same object instance due to FragmentActivity extending Activity (which has
     // fragment support in the system).
     FragmentCompat framework = FragmentCompat.getFrameworkInstance();

stetho/src/main/java/com/facebook/stetho/dumpapp/plugins/SharedPreferencesDumperPlugin.java

@@ -8,25 +8,25 @@
 package com.facebook.stetho.dumpapp.plugins;
 
 import android.annotation.SuppressLint;
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.SharedPreferences;
-import android.os.Build;
 import android.text.TextUtils;
+
 import com.facebook.stetho.dumpapp.DumpUsageException;
 import com.facebook.stetho.dumpapp.DumperContext;
 import com.facebook.stetho.dumpapp.DumperPlugin;
 import com.facebook.stetho.inspector.domstorage.SharedPreferencesHelper;
 
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
 import java.io.File;
 import java.io.PrintStream;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
 public class SharedPreferencesDumperPlugin implements DumperPlugin {
 
   private static final String XML_SUFFIX = ".xml";
@@ -118,7 +118,6 @@ private static String nextArgValue(Iterator<String> iter) throws DumpUsageExcept
     return nextArg(iter, "Expected <value>");
   }
 
-  @TargetApi(Build.VERSION_CODES.HONEYCOMB)
   private static void putStringSet(
       SharedPreferences.Editor editor,
       String key,

stetho/src/main/java/com/facebook/stetho/inspector/elements/android/ActivityTracker.java

@@ -7,24 +7,23 @@
 
 package com.facebook.stetho.inspector.elements.android;
 
-import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.Application;
-import android.os.Build;
 import android.os.Bundle;
 import android.os.Looper;
-import com.facebook.stetho.common.Util;
 
-import javax.annotation.Nullable;
-import javax.annotation.concurrent.GuardedBy;
-import javax.annotation.concurrent.NotThreadSafe;
+import com.facebook.stetho.common.Util;
 
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.CopyOnWriteArrayList;
 
+import javax.annotation.Nullable;
+import javax.annotation.concurrent.GuardedBy;
+import javax.annotation.concurrent.NotThreadSafe;
+
 /**
  * Tracks which {@link Activity} instances have been created and not yet destroyed in creation
  * order for use by Stetho features.  Note that automatic tracking is not available for
@@ -34,6 +33,7 @@
  * <p/>
  * Most callers can and should ignore this class, though it is necessary if you are implementing
  * Activity tracking pre-ICS.
+ * TODO: we now only support ICS+, is there still a need for this class?
  */
 @NotThreadSafe
 public final class ActivityTracker {
@@ -66,22 +66,14 @@ public void unregisterListener(Listener listener) {
   }
 
   /**
-   * Start automatic tracking if we are running on ICS+.
-   *
-   * @return Automatic tracking has been started.  No need to manually invoke {@link #add} or
-   *     {@link #remove} methods.
+   * Start automatic tracking.
    */
-  public boolean beginTrackingIfPossible(Application application) {
+  public void beginTracking(Application application) {
     if (mAutomaticTracker == null) {
-      AutomaticTracker automaticTracker =
-          AutomaticTracker.newInstanceIfPossible(application, this /* tracker */);
-      if (automaticTracker != null) {
-        automaticTracker.register();
-        mAutomaticTracker = automaticTracker;
-        return true;
-      }
+      AutomaticTracker automaticTracker = new AutomaticTracker(application, this /* tracker */);
+      automaticTracker.register();
+      mAutomaticTracker = automaticTracker;
     }
-    return false;
   }
 
   public boolean endTracking() {
@@ -146,76 +138,59 @@ public interface Listener {
     public void onActivityRemoved(Activity activity);
   }
 
-  private static abstract class AutomaticTracker {
-    @Nullable
-    public static AutomaticTracker newInstanceIfPossible(
-        Application application,
-        ActivityTracker tracker) {
-      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
-        return new AutomaticTrackerICSAndBeyond(application, tracker);
-      } else {
-        return null;
-      }
+  private static class AutomaticTracker {
+    private final Application mApplication;
+    private final ActivityTracker mTracker;
+
+    public AutomaticTracker(Application application, ActivityTracker tracker) {
+      mApplication = application;
+      mTracker = tracker;
     }
 
-    public abstract void register();
-    public abstract void unregister();
+    public void register() {
+      mApplication.registerActivityLifecycleCallbacks(mLifecycleCallbacks);
+    }
 
-    @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
-    private static class AutomaticTrackerICSAndBeyond extends AutomaticTracker {
-      private final Application mApplication;
-      private final ActivityTracker mTracker;
+    public void unregister() {
+      mApplication.unregisterActivityLifecycleCallbacks(mLifecycleCallbacks);
+    }
 
-      public AutomaticTrackerICSAndBeyond(Application application, ActivityTracker tracker) {
-        mApplication = application;
-        mTracker = tracker;
+    private final Application.ActivityLifecycleCallbacks mLifecycleCallbacks =
+        new Application.ActivityLifecycleCallbacks() {
+      @Override
+      public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
+        mTracker.add(activity);
       }
 
-      public void register() {
-        mApplication.registerActivityLifecycleCallbacks(mLifecycleCallbacks);
-      }
+      @Override
+      public void onActivityStarted(Activity activity) {
 
-      public void unregister() {
-        mApplication.unregisterActivityLifecycleCallbacks(mLifecycleCallbacks);
       }
 
-      private final Application.ActivityLifecycleCallbacks mLifecycleCallbacks =
-          new Application.ActivityLifecycleCallbacks() {
-        @Override
-        public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
-          mTracker.add(activity);
-        }
-
-        @Override
-        public void onActivityStarted(Activity activity) {
-
-        }
-
-        @Override
-        public void onActivityResumed(Activity activity) {
+      @Override
+      public void onActivityResumed(Activity activity) {
 
-        }
+      }
 
-        @Override
-        public void onActivityPaused(Activity activity) {
+      @Override
+      public void onActivityPaused(Activity activity) {
 
-        }
+      }
 
-        @Override
-        public void onActivityStopped(Activity activity) {
+      @Override
+      public void onActivityStopped(Activity activity) {
 
-        }
+      }
 
-        @Override
-        public void onActivitySaveInstanceState(Activity activity, Bundle outState) {
+      @Override
+      public void onActivitySaveInstanceState(Activity activity, Bundle outState) {
 
-        }
+      }
 
-        @Override
-        public void onActivityDestroyed(Activity activity) {
-          mTracker.remove(activity);
-        }
-      };
-    }
+      @Override
+      public void onActivityDestroyed(Activity activity) {
+        mTracker.remove(activity);
+      }
+    };
   }
 }

stetho/src/main/java/com/facebook/stetho/inspector/elements/android/AndroidDocumentConstants.java

@@ -7,10 +7,9 @@
 
 package com.facebook.stetho.inspector.protocol.module;
 
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.SharedPreferences;
-import android.os.Build;
+
 import com.facebook.stetho.inspector.console.CLog;
 import com.facebook.stetho.inspector.domstorage.DOMStoragePeerManager;
 import com.facebook.stetho.inspector.domstorage.SharedPreferencesHelper;
@@ -21,6 +20,7 @@
 import com.facebook.stetho.inspector.protocol.ChromeDevtoolsMethod;
 import com.facebook.stetho.json.ObjectMapper;
 import com.facebook.stetho.json.annotation.JsonProperty;
+
 import org.json.JSONException;
 import org.json.JSONObject;
 
@@ -160,17 +160,12 @@ private static void assignByType(
     } else if (value instanceof String) {
       editor.putString(key, (String)value);
     } else if (value instanceof Set) {
-      putStringSet(editor, key, (Set<String>)value);
+      editor.putStringSet(key, (Set<String>)value);
     } else {
       throw new IllegalArgumentException("Unsupported type=" + value.getClass().getName());
     }
   }
 
-  @TargetApi(Build.VERSION_CODES.HONEYCOMB)
-  private static void putStringSet(SharedPreferences.Editor editor, String key, Set<String> value) {
-    editor.putStringSet(key, value);
-  }
-
   public static class StorageId {
     @JsonProperty(required = true)
     public String securityOrigin;