src/jp/gr/java_conf/ofnhwx/olib/compatibility/OCompatibility.java

   1 package jp.gr.java_conf.ofnhwx.olib.compatibility;
   2
   3 import java.lang.reflect.Method;
   4
   5 import android.app.Activity;
   6 import android.os.Build;
   7 import android.util.Log;
   8
   9 /**
  10  * 互換性を確保するための関数.
  11  * @author yuta
  12  */
  13 public final class OCompatibility {
  14
  15     private static final String TAG = OCompatibility.class.getSimpleName();
  16
  17     private OCompatibility() {}
  18
  19     public static final class Version {
  20
  21         private Version() {}
  22
  23         public static final boolean isAndroid21() {
  24             return Build.VERSION.SDK_INT > 4;
  25         }
  26
  27         public static final boolean isAndroid30() {
  28             return Build.VERSION.SDK_INT > 10;
  29         }
  30
  31         public static final boolean isAndroid40() {
  32             return Build.VERSION.SDK_INT > 13;
  33         }
  34
  35     }
  36
  37     public static final class MenuItem {
  38
  39         private MenuItem() {}
  40
  41         public static final int SHOW_AS_ACTION_NEVER     = 0;
  42         public static final int SHOW_AS_ACTION_IF_ROOM   = 1;
  43         public static final int SHOW_AS_ACTION_ALWAYS    = 2;
  44         public static final int SHOW_AS_ACTION_WITH_TEXT = 4;
  45         public static final int SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW = 8;
  46
  47     }
  48
  49     public static final void invalidateOptionsMenu(Activity activity) {
  50         if (!Version.isAndroid30()) {
  51             return;
  52         }
  53         try {
  54             Method m = activity.getClass().getMethod("invalidateOptionsMenu");
  55             m.invoke(activity);
  56         } catch (Exception e) {
  57             Log.e(TAG, "invalidateOptionsMenu", e);
  58         }
  59     }
  60
  61 }