/*******************************************************************************
* Copyright 2011, 2012 Chris Banes.
* Copyright 2013 Naver Business Platform Corp.
*
* 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.handmark.pulltorefresh.library.internal;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import android.annotation.TargetApi;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.os.Build.VERSION;
import android.util.Log;
import android.view.View;
@SuppressWarnings("deprecation")
public class ViewCompat {
/**
* @author Wonjun Kim
*/
private static class Methods {
private static final String LOG_TAG = Methods.class.getName();
private static Method setLayerTypeMethod;
private static Method postOnAnimationMethod;
private static Method setBackgroundMethod;
static {
initializeMethods();
}
@SuppressWarnings("unchecked")
private static void initializeMethods() {
Class<? extends View> viewClazz = null;
// Initialize android.view.View class token
try {
viewClazz = (Class<? extends View>) Class.forName("android.view.View");
} catch (ClassNotFoundException e) {
Log.e(LOG_TAG, "android.view.View class has not been found. Maybe Pull To Refresh might work not correctly.", e);
}
// If viewClazz fails to initialize, skip creating methods
if ( viewClazz == null ) {
return;
}
// Initialize setLayerType()
try {
setLayerTypeMethod = viewClazz.getMethod("setLayerType", int.class, Paint.class);
} catch (NoSuchMethodException e) {
Log.e(LOG_TAG, "android.view.View.setLayerType() method has not been found. Maybe Pull To Refresh might work not correctly.", e);
}
// Initialize postOnAnimation()
try {
postOnAnimationMethod = viewClazz.getMethod("postOnAnimation", Runnable.class);
} catch (NoSuchMethodException e) {
Log.e(LOG_TAG, "android.view.View.postOnAnimation() method has not been found. Maybe Pull To Refresh might work not correctly.", e);
}
// Initialize setBackground()
try {
setBackgroundMethod = viewClazz.getMethod("setBackground", Drawable.class);
} catch (NoSuchMethodException e) {
Log.e(LOG_TAG, "android.view.View.setBackground() method has not been found. Maybe Pull To Refresh might work not correctly.", e);
}
}
private static void setLayerType(View view, int layerType) {
Assert.notNull(view, "view");
if ( setLayerTypeMethod == null ) {
Log.e(LOG_TAG, "android.view.View.setLayerType() method token has not been initialized.");
}
try {
setLayerTypeMethod.invoke(view, layerType, null /* android.graphics.Paint */);
} catch (IllegalArgumentException e) {
Log.e(LOG_TAG, "Some argument is illegal to call android.view.View.setLayerType().", e);
} catch (IllegalAccessException e) {
Log.e(LOG_TAG, "It has failed to call android.view.View.setLayerType().", e);
} catch (InvocationTargetException e) {
Log.e(LOG_TAG, "It has failed to call android.view.View.setLayerType().", e);
}
}
private static void postOnAnimation(View view, Runnable runnable) {
Assert.notNull(view, "view");
if ( postOnAnimationMethod == null ) {
Log.e(LOG_TAG, "android.view.View.postOnAnimation() method token has not been initialized.");
}
try {
postOnAnimationMethod.invoke(view, runnable);
} catch (IllegalArgumentException e) {
Log.e(LOG_TAG, "Some argument is illegal to call android.view.View.postOnAnimation().", e);
} catch (IllegalAccessException e) {
Log.e(LOG_TAG, "It has failed to call android.view.View.postOnAnimation().", e);
} catch (InvocationTargetException e) {
Log.e(LOG_TAG, "It has failed to call android.view.View.postOnAnimation().", e);
}
}
private static void setBackground(View view, Drawable background) {
Assert.notNull(view, "view");
if ( setBackgroundMethod == null ) {
Log.e(LOG_TAG, "android.view.View.setBackground() method token has not been initialized.");
}
try {
setBackgroundMethod.invoke(view, background);
} catch (IllegalArgumentException e) {
Log.e(LOG_TAG, "Some argument is illegal to call android.view.View.setBackground().", e);
} catch (IllegalAccessException e) {
Log.e(LOG_TAG, "It has failed to call android.view.View.setBackground().", e);
} catch (InvocationTargetException e) {
Log.e(LOG_TAG, "It has failed to call android.view.View.setBackground().", e);
}
}
}
/*
* Copied from android.os.Build.VERSION_CODES
*/
public static class VERSION_CODES {
public static final int CUR_DEVELOPMENT = 10000;
public static final int BASE = 1;
public static final int BASE_1_1 = 2;
public static final int CUPCAKE = 3;
public static final int DONUT = 4;
public static final int ECLAIR = 5;
public static final int ECLAIR_0_1 = 6;
public static final int ECLAIR_MR1 = 7;
public static final int FROYO = 8;
public static final int GINGERBREAD = 9;
public static final int GINGERBREAD_MR1 = 10;
public static final int HONEYCOMB = 11;
public static final int HONEYCOMB_MR1 = 12;
public static final int HONEYCOMB_MR2 = 13;
public static final int ICE_CREAM_SANDWICH = 14;
public static final int ICE_CREAM_SANDWICH_MR1 = 15;
public static final int JELLY_BEAN = 16;
public static final int JELLY_BEAN_MR1 = 17;
public static final int JELLY_BEAN_MR2 = 18;
public static final int KITKAT = 19;
}
public static void postOnAnimation(View view, Runnable runnable) {
if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
SDK16.postOnAnimation(view, runnable);
} else {
view.postDelayed(runnable, 16);
}
}
public static void setBackground(View view, Drawable background) {
if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
SDK16.setBackground(view, background);
} else {
view.setBackgroundDrawable(background);
}
}
public static void setLayerType(View view, int layerType) {
if (VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB) {
SDK11.setLayerType(view, layerType);
}
}
@TargetApi(11)
static class SDK11 {
public static void setLayerType(View view, int layerType) {
Methods.setLayerType(view, layerType);
}
}
@TargetApi(16)
static class SDK16 {
public static void postOnAnimation(View view, Runnable runnable) {
Methods.postOnAnimation(view, runnable);
}
public static void setBackground(View view, Drawable background) {
Methods.setBackground(view, background);
}
}
}