diff options
Diffstat (limited to 'java/src/com/android/inputmethod/compat')
| -rw-r--r-- | java/src/com/android/inputmethod/compat/NotificationCompatUtils.java | 83 | ||||
| -rw-r--r-- | java/src/com/android/inputmethod/compat/ViewCompatUtils.java | 19 |
2 files changed, 99 insertions, 3 deletions
diff --git a/java/src/com/android/inputmethod/compat/NotificationCompatUtils.java b/java/src/com/android/inputmethod/compat/NotificationCompatUtils.java new file mode 100644 index 000000000..eb180071e --- /dev/null +++ b/java/src/com/android/inputmethod/compat/NotificationCompatUtils.java @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2014 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.inputmethod.compat; + +import android.app.Notification; +import android.os.Build; + +import java.lang.reflect.Field; +import java.lang.reflect.Method; + +public class NotificationCompatUtils { + // Note that TextInfo.getCharSequence() is supposed to be available in API level 21 and later. + private static final Method METHOD_setColor = + CompatUtils.getMethod(Notification.Builder.class, "setColor", int.class); + private static final Method METHOD_setVisibility = + CompatUtils.getMethod(Notification.Builder.class, "setVisibility", int.class); + private static final Method METHOD_setCategory = + CompatUtils.getMethod(Notification.Builder.class, "setCategory", String.class); + private static final Method METHOD_setPriority = + CompatUtils.getMethod(Notification.Builder.class, "setPriority", int.class); + private static final Method METHOD_build = + CompatUtils.getMethod(Notification.Builder.class, "build"); + private static final Field FIELD_VISIBILITY_SECRET = + CompatUtils.getField(Notification.class, "VISIBILITY_SECRET"); + private static final int VISIBILITY_SECRET = null == FIELD_VISIBILITY_SECRET ? 0 + : (Integer) CompatUtils.getFieldValue(null /* receiver */, null /* defaultValue */, + FIELD_VISIBILITY_SECRET); + private static final Field FIELD_CATEGORY_RECOMMENDATION = + CompatUtils.getField(Notification.class, "CATEGORY_RECOMMENDATION"); + private static final String CATEGORY_RECOMMENDATION = null == FIELD_CATEGORY_RECOMMENDATION ? "" + : (String) CompatUtils.getFieldValue(null /* receiver */, null /* defaultValue */, + FIELD_CATEGORY_RECOMMENDATION); + private static final Field FIELD_PRIORITY_LOW = + CompatUtils.getField(Notification.class, "PRIORITY_LOW"); + private static final int PRIORITY_LOW = null == FIELD_PRIORITY_LOW ? 0 + : (Integer) CompatUtils.getFieldValue(null /* receiver */, null /* defaultValue */, + FIELD_PRIORITY_LOW); + + private NotificationCompatUtils() { + // This class is non-instantiable. + } + + // Sets the accent color + public static void setColor(final Notification.Builder builder, final int color) { + CompatUtils.invoke(builder, null, METHOD_setColor, color); + } + + public static void setVisibilityToSecret(final Notification.Builder builder) { + CompatUtils.invoke(builder, null, METHOD_setVisibility, VISIBILITY_SECRET); + } + + public static void setCategoryToRecommendation(final Notification.Builder builder) { + CompatUtils.invoke(builder, null, METHOD_setCategory, CATEGORY_RECOMMENDATION); + } + + public static void setPriorityToLow(final Notification.Builder builder) { + CompatUtils.invoke(builder, null, METHOD_setPriority, PRIORITY_LOW); + } + + public static Notification build(final Notification.Builder builder) { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { + // #build was added in API level 16, JELLY_BEAN + return (Notification) CompatUtils.invoke(builder, null, METHOD_build); + } else { + // #getNotification was deprecated in API level 16, JELLY_BEAN + return builder.getNotification(); + } + } +} diff --git a/java/src/com/android/inputmethod/compat/ViewCompatUtils.java b/java/src/com/android/inputmethod/compat/ViewCompatUtils.java index afbe8c890..0f00be133 100644 --- a/java/src/com/android/inputmethod/compat/ViewCompatUtils.java +++ b/java/src/com/android/inputmethod/compat/ViewCompatUtils.java @@ -34,6 +34,9 @@ public final class ViewCompatUtils { // Note that View.setElevation(float) has been introduced in API level 21. private static final Method METHOD_setElevation = CompatUtils.getMethod( View.class, "setElevation", float.class); + // Note that View.setTextAlignment(int) has been introduced in API level 17. + private static final Method METHOD_setTextAlignment = CompatUtils.getMethod( + View.class, "setTextAlignment", int.class); private ViewCompatUtils() { // This utility class is not publicly instantiable. @@ -56,9 +59,19 @@ public final class ViewCompatUtils { } public static void setElevation(final View view, final float elevation) { - if (METHOD_setElevation == null) { - return; - } CompatUtils.invoke(view, null, METHOD_setElevation, elevation); } + + // These TEXT_ALIGNMENT_* constants have been introduced in API 17. + public static final int TEXT_ALIGNMENT_INHERIT = 0; + public static final int TEXT_ALIGNMENT_GRAVITY = 1; + public static final int TEXT_ALIGNMENT_TEXT_START = 2; + public static final int TEXT_ALIGNMENT_TEXT_END = 3; + public static final int TEXT_ALIGNMENT_CENTER = 4; + public static final int TEXT_ALIGNMENT_VIEW_START = 5; + public static final int TEXT_ALIGNMENT_VIEW_END = 6; + + public static void setTextAlignment(final View view, final int textAlignment) { + CompatUtils.invoke(view, null, METHOD_setTextAlignment, textAlignment); + } } |