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我的Android进阶之旅------>Android关于Activity管理的一个简单封装
2015-07-30 12:10 631人阅读 评论(2)收藏 举报
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Android应用开发（226）
版权声明：本文为【欧阳鹏】原创文章，欢迎转载，转载请注明出处!【http://blog.csdn.net/ouyang_peng】
如何管理当前的运行Activity栈，如何彻底退出程序，本文封装了一个Activity管理类，可以方便随时退出程序。
[java] view plain copy
1.import java.util.Stack;2.3.import android.app.Activity;4.import android.content.Context;5.6.public cla ActivityManager {
7.private static Stack activityStack;8.private static ActivityManager instance;9.static {
10.instance = new ActivityManager();11.} 12.13.public static ActivityManager getInstance(){ 14.return instance;15.} 16.17./**
18.* 添加指定Activity到堆栈
19.*/
20.public void addActivity(Activity activity){ 21.if(activityStack==null){
22.activityStack=new Stack();23.}
24.activityStack.add(activity);25.} 26./**
27.* 获取当前Activity
28.*/
29.public Activity currentActivity(){
30.Activity activity=activityStack.lastElement();31.return activity;32.} 33./**
34.* 结束当前Activity
35.*/
36.public void finishActivity(){
37.Activity activity=activityStack.lastElement();38.finishActivity(activity);39.} 40./**
41.* 结束指定的Activity
42.*/
43.public void finishActivity(Activity activity){ 44.if(activity!=null){
45.activityStack.remove(activity);46.activity.finish();47.activity=null;48.} 49.} 50./**
51.* 结束指定Cla的Activity
52.*/
53.public void finishActivity(Cla cls){ 54.for(Activity activity : activityStack){ 55.if(activity.getCla().equals(cls)){ 56.finishActivity(activity);57.return;58.} 59.} 60.} 61.62./**
63.* 结束全部的Activity
64.*/
65.public void finishAllActivity(){
66.for(int i = 0, size = activityStack.size();i
if(null!= activityStack.get(i)){ 68.activityStack.get(i).finish();69.} 70.}
71.activityStack.clear();72.} 73./**
74.* 退出应用程序
75.*/
76.public void AppExit(Context context){ 77.try {
78.finishAllActivity();
79.android.app.ActivityManager activityMgr=(android.app.ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);80.activityMgr.restartPackage(context.getPackageName());81.System.exit(0);82.} catch(Exception e){ } 83.} 84.}
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下面从http://www.daodoc.com
17.* weibo : @桥下一粒砂
18.* date : 2012-7-8
19.*
20.*/
21.public cla ActivityUtil { 22.23./**
24.* title : 设置Activity全屏显示
25.* description :设置Activity全屏显示。
26.* @param activity Activity引用
27.* @param isFull true为全屏，false为非全屏
28.*/
29.public static void setFullScreen(Activity activity,boolean isFull){ 30.Window window = activity.getWindow();
31.WindowManager.LayoutParams params = window.getAttributes();32.if(isFull){
33.params.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;34.window.setAttributes(params);
35.window.addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
36.} else {
37.params.flags &=(~WindowManager.LayoutParams.FLAG_FULLSCREEN);38.window.setAttributes(params);
39.window.clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);40.} 41.} 42.43./**
44.* title : 隐藏系统标题栏
45.* description :隐藏Activity的系统默认标题栏
46.* @param activity Activity对象
47.*/
48.public static void hideTitleBar(Activity activity){
49.activity.requestWindowFeature(Window.FEATURE_NO_TITLE);50.} 51.52./**
53.* title : 设置Activity的显示方向为垂直方向
54.* description :强制设置Actiity的显示方向为垂直方向。
55.* @param activity Activity对象
56.*/
57.public static void setScreenVertical(Activity activity){
58.activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);59.} 60.61./**
62.* title : 设置Activity的显示方向为横向
63.* description :强制设置Actiity的显示方向为横向。
64.* @param activity Activity对象
65.*/
66.public static void setScreenHorizontal(Activity activity){
67.activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);68.} 69.70./**
71.* title : 隐藏软件输入法
72.* description :隐藏软件输入法
73.* time : 2012-7-12 下午7:20:00
74.* @param activity
75.*/
76.public static void hideSoftInput(Activity activity){
77.activity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);78.} 79.80./**
81.* title : 使UI适配输入法
82.* description :使UI适配输入法
83.* time : 2012-7-17 下午10:21:26
84.* @param activity
85.*/
86.public static void adjustSoftInput(Activity activity){ 87.activity.getWindow().setSoftInputMode（88.WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);89.} 90.91./** 92.* title : 跳转到某个Activity。
93.* description :跳转到某个Activity
94.* time : 2012-7-8 下午3:20:00
95.* @param activity 本Activity
96.* @param targetActivity 目标Activity的Cla
97.*/
98.public static void switchTo(Activity activity,Cla targetActivity){
99.switchTo(activity, new Intent(activity,targetActivity));100.} 101.102./**
103.* title : 根据给定的Intent进行Activity跳转
104.* description :根据给定的Intent进行Activity跳转
105.* time : 2012-7-8 下午3:22:23
106.* @param activity Activity对象
107.* @param intent 要传递的Intent对象
108.*/
109.public static void switchTo(Activity activity,Intent intent){ 110.activity.startActivity(intent);111.} 112.113./**
114.* title : 带参数进行Activity跳转
115.* description :带参数进行Activity跳转
116.* time : 2012-7-8 下午3:24:54
117.* @param activity Activity对象
118.* @param targetActivity 目标Activity的Cla
119.* @param params 跳转所带的参数
120.*/
121.public static void switchTo(Activity activity,Cla targetActivity,Map params){ 122.if(null!= params){
123.Intent intent = new Intent(activity,targetActivity);124.for(Map.Entry entry : params.entrySet()){ 125.setValueToIntent(intent, entry.getKey(), entry.getValue());
126.}
127.switchTo(activity, intent);128.} 129.} 130.131./**
132.* title : 带参数进行Activity跳转 133.* description :带参数进行Activity跳转
134.* time : 2012-7-17 下午10:22:58
135.* @param activity
136.* @param target
137.* @param params
138.*/
139.public static void switchTo(Activity activity,Cla target,NameValuePair...params){ 140.if(null!= params){
141.Intent intent = new Intent(activity,target);142.for(NameValuePair param : params){
143.setValueToIntent(intent, param.getName(), param.getValue());
144.}
145.switchTo(activity, intent);146.} 147.} 148.149.150./**
151.* title : 显示Toast消息。
152.* description :显示Toast消息，并保证运行在UI线程中
153.* time : 2012-7-10 下午08:36:02
154.* @param activity
155.* @param meage
156.*/
157.public static void toastShow(final Activity activity,final String meage){
158.activity.runOnUiThread(new Runnable(){ 159.public void run(){
160.Toast.makeText(activity, meage, Toast.LENGTH_SHORT).show();
161.} 162.});163.} 164.165./**
166.* title : 将值设置到Intent里
167.* description :将值设置到Intent里
168.* time : 2012-7-8 下午3:31:17
169.* @param intent Inent对象
170.* @param key Key
171.* @param val Value
172.*/ 173.public static void setValueToIntent(Intent intent, String key, Object val){
174.if(val instanceof Boolean)
175.intent.putExtra(key,(Boolean)val);176.else if(val instanceof Boolean[])
177.intent.putExtra(key,(Boolean[])val);178.else if(val instanceof String)
179.intent.putExtra(key,(String)val);180.else if(val instanceof String[])
181.intent.putExtra(key,(String[])val);182.else if(val instanceof Integer)
183.intent.putExtra(key,(Integer)val);184.else if(val instanceof Integer[])
185.intent.putExtra(key,(Integer[])val);186.else if(val instanceof Long)
187.intent.putExtra(key,(Long)val);188.else if(val instanceof Long[])
189.intent.putExtra(key,(Long[])val);190.else if(val instanceof Double)
191.intent.putExtra(key,(Double)val);192.else if(val instanceof Double[])
193.intent.putExtra(key,(Double[])val);194.else if(val instanceof Float)
195.intent.putExtra(key,(Float)val);196.else if(val instanceof Float[])
197.intent.putExtra(key,(Float[])val);198.} 199.200.}
