/*
* Copyright (c) 2015 [1076559197@qq.com | tchen0707@gmail.com]
*
* Licensed under the Apache License, Version 2.0 (the "Licenseā);
* 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.gzsll.hupu.widget.swipeback;
import android.app.Activity;
import java.lang.reflect.Method;
/**
* Created by Chaojun Wang on 6/9/14.
*/
public class Utils {
private Utils() {
}
/**
* Convert a translucent themed Activity
* {@link android.R.attr#windowIsTranslucent} to a fullscreen opaque
* Activity.
* <p/>
* Call this whenever the background of a translucent Activity has changed
* to become opaque. Doing so will allow the {@link android.view.Surface} of
* the Activity behind to be released.
* <p/>
* This call has no effect on non-translucent activities or on activities
* with the {@link android.R.attr#windowIsFloating} attribute.
*/
public static void convertActivityFromTranslucent(Activity activity) {
try {
Method method = Activity.class.getDeclaredMethod("convertFromTranslucent");
method.setAccessible(true);
method.invoke(activity);
} catch (Throwable t) {
}
}
/**
* Convert a translucent themed Activity
* {@link android.R.attr#windowIsTranslucent} back from opaque to
* translucent following a call to
* {@link #convertActivityFromTranslucent(Activity)} .
* <p/>
* Calling this allows the Activity behind this one to be seen again. Once
* all such Activities have been redrawn
* <p/>
* This call has no effect on non-translucent activities or on activities
* with the {@link android.R.attr#windowIsFloating} attribute.
*/
public static void convertActivityToTranslucent(Activity activity) {
try {
Class<?>[] classes = Activity.class.getDeclaredClasses();
Class<?> translucentConversionListenerClazz = null;
for (Class clazz : classes) {
if (clazz.getSimpleName().contains("TranslucentConversionListener")) {
translucentConversionListenerClazz = clazz;
}
}
Method method = Activity.class.getDeclaredMethod("convertToTranslucent",
translucentConversionListenerClazz);
method.setAccessible(true);
method.invoke(activity, new Object[]{
null
});
} catch (Throwable t) {
}
}
}