import org.andengine.util.call.AsyncCallable; //导入依赖的package包/类
public static final <T> void doAsync(final Context pContext, final CharSequence pTitle, final CharSequence pMessage, final AsyncCallable<T> pAsyncCallable, final Callback<T> pCallback, final Callback<Exception> pExceptionCallback) {
	final ProgressDialog pd = ProgressDialog.show(pContext, pTitle, pMessage);
	pAsyncCallable.call(new Callback<T>() {
		@Override
		public void onCallback(final T pResult) {
			try {
				pd.dismiss();
			} catch (final Exception e) {
				Debug.e("Error", e);
				/* Nothing. */
			}

			pCallback.onCallback(pResult);
		}
	}, pExceptionCallback);
}
 

import org.andengine.util.call.AsyncCallable; //导入依赖的package包/类
public static <T> void doAsync(final Context pContext, final CharSequence pTitle, final CharSequence pMessage, final AsyncCallable<T> pAsyncCallable, final Callback<T> pCallback, final Callback<Exception> pExceptionCallback) {
	final ProgressDialog pd = ProgressDialog.show(pContext, pTitle, pMessage);
	pAsyncCallable.call(new Callback<T>() {
		@Override
		public void onCallback(final T result) {
			try {
				pd.dismiss();
			} catch (final Exception e) {
				Debug.e("Error", e);
				/* Nothing. */
			}

			pCallback.onCallback(result);
		}
	}, pExceptionCallback);
}
 

import org.andengine.util.call.AsyncCallable; //导入依赖的package包/类
/**
 * Performs a task in the background, showing an indeterminate {@link android.app.ProgressDialog},
 * while the {@link AsyncCallable} is being processed.
 *
 * @param <T>
 * @param pTitleResourceID
 * @param pMessageResourceID
 * @param pErrorMessageResourceID
 * @param pAsyncCallable
 * @param pCallback
 * @param pExceptionCallback
 */
protected <T> void doAsync(final int pTitleResourceID, final int pMessageResourceID, final AsyncCallable<T> pAsyncCallable, final Callback<T> pCallback, final Callback<Exception> pExceptionCallback) {
	ActivityUtils.doAsync(this, pTitleResourceID, pMessageResourceID, pAsyncCallable, pCallback, pExceptionCallback);
}
 

import org.andengine.util.call.AsyncCallable; //导入依赖的package包/类
/**
 * Performs a task in the background, showing an indeterminate {@link ProgressDialog},
 * while the {@link AsyncCallable} is being processed.
 * 
 * @param <T>
 * @param pTitleResourceID
 * @param pMessageResourceID
 * @param pErrorMessageResourceID
 * @param pAsyncCallable
 * @param pCallback
 * @param pExceptionCallback
 */
protected <T> void doAsync(final int pTitleResourceID, final int pMessageResourceID, final AsyncCallable<T> pAsyncCallable, final Callback<T> pCallback, final Callback<Exception> pExceptionCallback) {
	ActivityUtils.doAsync(this, pTitleResourceID, pMessageResourceID, pAsyncCallable, pCallback, pExceptionCallback);
}
 

import org.andengine.util.call.AsyncCallable; //导入依赖的package包/类
/**
 * Performs a task in the background, showing an indeterminate {@link ProgressDialog},
 * while the {@link AsyncCallable} is being processed.
 *
 * @param <T>
 * @param pTitleResourceID
 * @param pMessageResourceID
 * @param pErrorMessageResourceID
 * @param pAsyncCallable
 * @param pCallback
 * @param pExceptionCallback
 */
protected <T> void doAsync(final int pTitleResourceID, final int pMessageResourceID, final AsyncCallable<T> pAsyncCallable, final Callback<T> pCallback, final Callback<Exception> pExceptionCallback) {
	ActivityUtils.doAsync(this, pTitleResourceID, pMessageResourceID, pAsyncCallable, pCallback, pExceptionCallback);
}