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/*
* Copyright (C) 2011 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.content.Context;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import java.lang.reflect.Field;
public class LinearLayoutCompatUtils {
private static final String TAG = LinearLayoutCompatUtils.class.getSimpleName();
private static final Class<?> CLASS_R_STYLEABLE = CompatUtils.getClass(
"com.android.internal.R$styleable");
private static final Field STYLEABLE_VIEW = CompatUtils.getField(
CLASS_R_STYLEABLE, "View");
private static final Field STYLEABLE_VIEW_BACKGROUND = CompatUtils.getField(
CLASS_R_STYLEABLE, "View_background");
private static final Object VALUE_STYLEABLE_VIEW = CompatUtils.getFieldValue(
null, null, STYLEABLE_VIEW);
private static final Integer VALUE_STYLEABLE_VIEW_BACKGROUND =
(Integer)CompatUtils.getFieldValue(null, null, STYLEABLE_VIEW_BACKGROUND);
public static Drawable getBackgroundDrawable(Context context, AttributeSet attrs,
int defStyleAttr, int defStyleRes) {
if (!(VALUE_STYLEABLE_VIEW instanceof int[]) || VALUE_STYLEABLE_VIEW_BACKGROUND == null) {
Log.w(TAG, "Can't get View background attribute using reflection");
return null;
}
final int[] styleableView = (int[])VALUE_STYLEABLE_VIEW;
final TypedArray a = context.obtainStyledAttributes(
attrs, styleableView, defStyleAttr, defStyleRes);
final Drawable background = a.getDrawable(VALUE_STYLEABLE_VIEW_BACKGROUND);
a.recycle();
return background;
}
}
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