SaActivityTack.java

/**
 *DongHongyu
 */
package com.martin.simpledevelop.activity;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import android.app.Activity;

import com.martin.simpledevelop.utils.log.SaLogUtils;

/**
 * @Description 管理Activity的栈
 * @File SaActivityTack.java
 * @Package com.martin.view.activity
 * @Date 2015年6月15日下午7:39:54
 * @Author Donghongyu 1358506549@qq.com
 * @Version v1.0.0
 */
public class SaActivityTack {
	/** 日志的标记 */
	public final String TAG = getClass().getName();
	/***/
	public static SaActivityTack mActivityTask = new SaActivityTack();

	/** 存放应用开启点开的Activity */
	public List<Activity> mActivityList = new ArrayList<Activity>();

	public static SaActivityTack getInstanse() {
		return mActivityTask;
	}

	/**
	 * 向Activity堆栈添加实例<br>
	 *
	 *
	 * 
	 * @param activity
	 */
	public void addActivity(Activity activity) {
		SaLogUtils.i(TAG, TAG + "-----addActivity-----" + activity);
		mActivityList.add(activity);
	}

	/**
	 * 移除指定的Activity实例
	 * 
	 * @param activity
	 */
	public void removeActivity(Activity activity) {
		SaLogUtils.i(TAG, TAG + "-----removeActivity-----" + activity);
		mActivityList.remove(activity);
	}

	/**
	 * 完全退出应用程序
	 */
	public void exitApp() {
		// 循环取出堆栈的Activity实例,依次销毁
		while (mActivityList.size() > 0) {
			mActivityList.get(mActivityList.size() - 1).finish();
		}
		SaLogUtils.i(TAG, TAG + "-----exitApp-----" + mActivityList.size());
		// 正常关闭程序
		System.exit(0);
	}

	/**
	 * 根据Activity名称查询堆栈中是否已经注册该界面
	 * 
	 * @param activityName
	 * @return
	 */
	public Activity getActivityByClassName(String activityName) {
		for (Activity ac : mActivityList) {
			if (ac.getClass().getName().indexOf(activityName) >= 0) {
				SaLogUtils
						.i(TAG, TAG + "-----getActivityByClassName-----" + ac);
				return ac;
			}
		}
		return null;
	}

	/**
	 * 根据class类进行获取
	 * 
	 * @param clazz
	 * @return
	 */
	@SuppressWarnings("rawtypes")
	public Activity getActivityByClass(Class clazz) {
		for (Activity ac : mActivityList) {
			if (ac.getClass().equals(clazz)) {
				SaLogUtils.i(TAG, TAG + "-----getActivityByClass-----" + ac);
				return ac;
			}
		}
		return null;
	}

	/**
	 * 弹出指定的Activity实例,即销毁指定的界面
	 * 
	 * @param activity
	 */
	public void popActivity(Activity activity) {
		removeActivity(activity);
		activity.finish();
	}

	/**
	 * 弹出指定的Activity之前的实例
	 * 
	 * @param clzz
	 */
	@SuppressWarnings("rawtypes")
	public void popUntilActivity(Class... clzz) {
		List<Activity> list = new ArrayList<Activity>();
		for (int i = mActivityList.size() - 1; i >= 0; i--) {
			Activity ac = mActivityList.get(i);
			boolean isTop = false;
			for (int j = 0; j < clzz.length; j++) {
				if (ac.getClass().equals(clzz[j])) {
					isTop = true;
					break;
				}
			}
			if (!isTop) {
				list.add(ac);
			} else
				break;
		}
		for (Iterator<Activity> iterator = list.iterator(); iterator.hasNext();) {
			Activity activity = iterator.next();
			popActivity(activity);
		}
	}

}