56 lines
2.3 KiB
Java
56 lines
2.3 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.compat;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.util.Log;
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import java.lang.reflect.Field;
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public class LinearLayoutCompatUtils {
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private static final String TAG = LinearLayoutCompatUtils.class.getSimpleName();
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private static final Class<?> CLASS_R_STYLEABLE = CompatUtils.getClass(
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"com.android.internal.R$styleable");
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private static final Field STYLEABLE_VIEW = CompatUtils.getField(
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CLASS_R_STYLEABLE, "View");
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private static final Field STYLEABLE_VIEW_BACKGROUND = CompatUtils.getField(
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CLASS_R_STYLEABLE, "View_background");
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private static final Object VALUE_STYLEABLE_VIEW = CompatUtils.getFieldValue(
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null, null, STYLEABLE_VIEW);
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private static final Integer VALUE_STYLEABLE_VIEW_BACKGROUND =
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(Integer)CompatUtils.getFieldValue(null, null, STYLEABLE_VIEW_BACKGROUND);
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public static Drawable getBackgroundDrawable(Context context, AttributeSet attrs,
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int defStyleAttr, int defStyleRes) {
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if (!(VALUE_STYLEABLE_VIEW instanceof int[]) || VALUE_STYLEABLE_VIEW_BACKGROUND == null) {
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Log.w(TAG, "Can't get View background attribute using reflection");
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return null;
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}
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final int[] styleableView = (int[])VALUE_STYLEABLE_VIEW;
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final TypedArray a = context.obtainStyledAttributes(
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attrs, styleableView, defStyleAttr, defStyleRes);
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final Drawable background = a.getDrawable(VALUE_STYLEABLE_VIEW_BACKGROUND);
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a.recycle();
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return background;
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}
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}
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