Remove code for unsupported API levels

An assortment of miscellaneous changes, each usually limited in scope to a
single file.

src/com/fsck/k9/activity/K9PreferenceActivity.java

@@ -1,6 +1,5 @@
 package com.fsck.k9.activity;
 
-import android.os.Build;
 import android.os.Bundle;
 import android.preference.ListPreference;
 import android.preference.Preference;
@@ -13,16 +12,7 @@ public class K9PreferenceActivity extends PreferenceActivity {
     @Override
     public void onCreate(Bundle icicle) {
         K9ActivityCommon.setLanguage(this, K9.getK9Language());
-
-        if (Build.VERSION.SDK_INT >= 6 && Build.VERSION.SDK_INT < 14) {
-            // There's a display bug in all supported Android versions before 4.0 (SDK 14) which
-            // causes PreferenceScreens to have a black background.
-            // http://code.google.com/p/android/issues/detail?id=4611
-            setTheme(K9.getK9ThemeResourceId(K9.Theme.DARK));
-        } else {
         setTheme(K9.getK9ThemeResourceId());
-        }
-
         super.onCreate(icicle);
     }
 

src/com/fsck/k9/activity/MessageCompose.java

@@ -8,10 +8,8 @@ import java.io.UnsupportedEncodingException;
 import java.text.DateFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -3697,7 +3695,7 @@ public class MessageCompose extends K9Activity implements OnClickListener,
 
         public List<String> getQueryParameters(String key) {
             final List<String> params = new ArrayList<String>();
-            for (String paramName : getQueryParameterNames()) {
+            for (String paramName : uri.getQueryParameterNames()) {
                 if (paramName.equalsIgnoreCase(key)) {
                     params.addAll(uri.getQueryParameters(paramName));
                 }
@@ -3705,25 +3703,6 @@ public class MessageCompose extends K9Activity implements OnClickListener,
             return params;
         }
 
-        @TargetApi(11)
-        private Set<String> getQueryParameterNames() {
-            if (Build.VERSION.SDK_INT >= 11) {
-                return uri.getQueryParameterNames();
-            }
-
-            return getQueryParameterNamesPreSdk11();
-        }
-
-        private Set<String> getQueryParameterNamesPreSdk11() {
-            if (mParamNames == null) {
-                String query = uri.getQuery();
-                Set<String> paramNames = new HashSet<String>();
-                Collections.addAll(paramNames, query.split("(=[^&]*(&|$))|&"));
-                mParamNames = paramNames;
-            }
-
-            return mParamNames;
-        }
     }
 
     private class SendMessageTask extends AsyncTask<Void, Void, Void> {

src/com/fsck/k9/activity/MessageList.java

@@ -1391,20 +1391,6 @@ public class MessageList extends K9FragmentActivity implements MessageListFragme
         }
     }
 
-    private void restartActivity() {
-        // restart the current activity, so that the theme change can be applied
-        if (Build.VERSION.SDK_INT < 11) {
-            Intent intent = getIntent();
-            intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
-            finish();
-            overridePendingTransition(0, 0); // disable animations to speed up the switch
-            startActivity(intent);
-            overridePendingTransition(0, 0);
-        } else {
-            recreate();
-        }
-    }
-
     @Override
     public void displayMessageSubject(String subject) {
         if (mDisplayMode == DisplayMode.MESSAGE_VIEW) {
@@ -1541,7 +1527,7 @@ public class MessageList extends K9FragmentActivity implements MessageListFragme
             }
         }).start();
 
-        restartActivity();
+        recreate();
     }
 
     private void showDefaultTitleView() {

src/com/fsck/k9/activity/misc/ContactPictureLoader.java

@@ -9,7 +9,6 @@ import java.util.concurrent.RejectedExecutionException;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import android.annotation.TargetApi;
 import android.app.ActivityManager;
 import android.content.ContentResolver;
 import android.content.Context;
@@ -23,7 +22,6 @@ import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.AsyncTask;
-import android.os.Build;
 import android.support.v4.util.LruCache;
 import android.widget.QuickContactBadge;
 import com.fsck.k9.helper.Contacts;
@@ -103,16 +101,11 @@ public class ContactPictureLoader {
         final int cacheSize = 1024 * 1024 * memClass / 16;
 
         mBitmapCache = new LruCache<Address, Bitmap>(cacheSize) {
-            @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
             @Override
             protected int sizeOf(Address key, Bitmap bitmap) {
                 // The cache size will be measured in bytes rather than number of items.
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {
                 return bitmap.getByteCount();
             }
-
-                return bitmap.getRowBytes() * bitmap.getHeight();
-            }
         };
     }
 
@@ -148,7 +141,7 @@ public class ContactPictureLoader {
                     calculateFallbackBitmap(address), task);
             badge.setImageDrawable(asyncDrawable);
             try {
-                task.exec();
+                task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
             } catch (RejectedExecutionException e) {
                 // We flooded the thread pool queue... use a fallback picture
                 badge.setImageBitmap(calculateFallbackBitmap(address));
@@ -275,15 +268,6 @@ public class ContactPictureLoader {
             mAddress = new Address(address);
         }
 
-        @TargetApi(Build.VERSION_CODES.HONEYCOMB)
-        public void exec(Void... args) {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
-                executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, args);
-            } else {
-                execute(args);
-            }
-        }
-
         public Address getAddress() {
             return mAddress;
         }

src/com/fsck/k9/fragment/MessageListFragment.java

@@ -2,6 +2,7 @@ package com.fsck.k9.fragment;
 
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.EnumMap;
@@ -150,7 +151,7 @@ public class MessageListFragment extends Fragment implements OnItemClickListener
     private static final int FOLDER_NAME_COLUMN = 17;
     private static final int THREAD_COUNT_COLUMN = 18;
 
-    private static final String[] PROJECTION = Utility.copyOf(THREADED_PROJECTION,
+    private static final String[] PROJECTION = Arrays.copyOf(THREADED_PROJECTION,
             THREAD_COUNT_COLUMN);
 
 

src/com/fsck/k9/helper/MergeCursor.java

@@ -19,7 +19,6 @@ package com.fsck.k9.helper;
 
 import java.util.Comparator;
 
-import android.annotation.TargetApi;
 import android.content.ContentResolver;
 import android.database.CharArrayBuffer;
 import android.database.ContentObserver;
@@ -204,7 +203,6 @@ public class MergeCursor implements Cursor {
         return mActiveCursor.getString(columnIndex);
     }
 
-    @TargetApi(11)
     @Override
     public int getType(int columnIndex) {
         return mActiveCursor.getType(columnIndex);

src/com/fsck/k9/helper/Utility.java

@@ -1,13 +1,11 @@
 
 package com.fsck.k9.helper;
 
-import android.annotation.SuppressLint;
 import android.app.Application;
 import android.content.Context;
 import android.database.Cursor;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
-import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
 import android.text.Editable;
@@ -24,7 +22,6 @@ import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.UnsupportedEncodingException;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 import java.util.Locale;
 import java.util.regex.Matcher;
@@ -698,19 +695,6 @@ public class Utility {
         return null;
     }
 
-    @SuppressLint("NewApi")
-    public static String[] copyOf(String[] original, int newLength) {
-        if (Build.VERSION.SDK_INT >= 9) {
-            return Arrays.copyOf(original, newLength);
-        }
-
-        String[] newArray = new String[newLength];
-        int copyLength = (original.length >= newLength) ? newLength : original.length;
-        System.arraycopy(original, 0, newArray, 0, copyLength);
-
-        return newArray;
-    }
-
     /**
      * @return a {@link Handler} tied to the main thread.
      */

src/com/fsck/k9/provider/EmailProvider.java

@@ -18,7 +18,6 @@ import com.fsck.k9.mail.store.LockableDatabase.WrappedException;
 import com.fsck.k9.mail.store.UnavailableStorageException;
 import com.fsck.k9.search.SqlQueryBuilder;
 
-import android.annotation.TargetApi;
 import android.content.ContentProvider;
 import android.content.ContentResolver;
 import android.content.ContentValues;
@@ -797,7 +796,6 @@ public class EmailProvider extends ContentProvider {
             return super.getString(realColumnIndex);
         }
 
-        @TargetApi(11)
         @Override
         public int getType(int columnIndex) {
             int realColumnIndex = mColumnMapping[columnIndex];

src/com/fsck/k9/view/MessageWebView.java

@@ -1,9 +1,7 @@
 package com.fsck.k9.view;
 
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.os.Build;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.KeyEvent;
@@ -83,7 +81,7 @@ public class MessageWebView extends RigidWebView {
         // TODO:  Review alternatives.  NARROW_COLUMNS is deprecated on KITKAT
         webSettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);
 
-        disableOverscrolling();
+        setOverScrollMode(OVER_SCROLL_NEVER);
 
         webSettings.setTextZoom(K9.getFontSizes().getMessageViewContentAsPercent());
 
@@ -94,9 +92,7 @@ public class MessageWebView extends RigidWebView {
     /**
      * Disable on-screen zoom controls on devices that support zooming via pinch-to-zoom.
      */
-    @TargetApi(11)
     private void disableDisplayZoomControls() {
-        if (Build.VERSION.SDK_INT >= 11) {
         PackageManager pm = getContext().getPackageManager();
         boolean supportsMultiTouch =
                 pm.hasSystemFeature(PackageManager.FEATURE_TOUCHSCREEN_MULTITOUCH) ||
@@ -104,14 +100,6 @@ public class MessageWebView extends RigidWebView {
 
         getSettings().setDisplayZoomControls(!supportsMultiTouch);
     }
-    }
-
-    @TargetApi(9)
-    private void disableOverscrolling() {
-        if (Build.VERSION.SDK_INT >= 9) {
-            setOverScrollMode(OVER_SCROLL_NEVER);
-        }
-    }
 
     /**
      * Load a message body into a {@code MessageWebView}

src/com/fsck/k9/view/NonLockingScrollView.java

@@ -17,7 +17,6 @@
 
 package com.fsck.k9.view;
 
-import android.annotation.SuppressLint;
 import android.content.Context;
 import android.graphics.Rect;
 import android.util.AttributeSet;
@@ -124,7 +123,7 @@ public class NonLockingScrollView extends ScrollView {
 
     private final Rect sHitFrame = new Rect();
     private boolean isEventOverChild(MotionEvent ev, ArrayList<View> children) {
-        final int actionIndex = getActionIndex(ev);
+        final int actionIndex = ev.getActionIndex();
         final float x = ev.getX(actionIndex) + getScrollX();
         final float y = ev.getY(actionIndex) + getScrollY();
 
@@ -142,13 +141,6 @@ public class NonLockingScrollView extends ScrollView {
         return false;
     }
 
-    @SuppressLint("InlinedApi")
-    private static int getActionIndex(MotionEvent ev) {
-        // Equivalent to MotionEvent.getActionIndex() which is in API 8+
-        return ((ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK)
-                >> MotionEvent.ACTION_POINTER_INDEX_SHIFT);
-    }
-
     private static boolean canViewReceivePointerEvents(View child) {
         return child.getVisibility() == VISIBLE || (child.getAnimation() != null);
     }