Activity手动全局管理
一、编写Activity全局管理方法。
两种方式:
1、可以单独写成管理类。
2、写到应用的Application类里。
举个例子:
/**
* 全局管理Activity
*/
private static Stack<Activity> activityStack;
//添加Activity到堆栈
public static void addActivity(Activity activity) {
if (activityStack == null) {
activityStack = new Stack<Activity>();
}
activityStack.add(activity);
}
//获取当前Activity(堆栈中最后一个压入的)
public Activity currentActivity() {
Activity activity = activityStack.lastElement();
return activity;
}
//结束当前Activity(堆栈中最后一个压入的)
public void finishActivity() {
Activity activity = activityStack.lastElement();
finishActivity(activity);
}
//结束指定的Activity
public void finishActivity(Activity activity) {
if (activity != null) {
activityStack.remove(activity);
activity.finish();
activity = null;
}
}
//结束指定类名的Activity
public void finishActivity(Class<?> cls) {
for (Activity activity : activityStack) {
if (activity.getClass().equals(cls)) {
finishActivity(activity);
}
}
}
//结束所有Activity
public static void finishAllActivity() {
for (int i = 0, size = activityStack.size(); i < size; i++) {
if (null != activityStack.get(i)) {
activityStack.get(i).finish();
}
}
activityStack.clear();
}
//结束所有Activity
public static void finishAllActivityExceptMain(Class<?> cls) {
for (int i = 0, size = activityStack.size(); i < size; i++) {
if (null != activityStack.get(i) && !(activityStack.get(i).getClass().equals(cls))) {
activityStack.get(i).finish();
}
}
activityStack.clear();
}
二、把需要管理的Activity添加到activitystack中。
两种方式:
1、单独编写一个Activity的基类,在基类里实现添加。
2、在每个Activity里手动添加。
举个例子:
@Override
protected void onResume() {
super.onResume();
SmartApplication.finishAllActivityExceptMain(MainActivity.class);
}
Activity debug
adb shell dumpsys activity activities>e:1 //打印当前设备的activity信息