A,B,C,D,E. Activity extends BaseActivity
public abstract class BaseActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
AppManager.getAppManager().addActivity(this);
}
}
then you can use AppManager.getAppManager().XXXX
do you something.UnderStand?
public class AppManager {
private static Stack<Activity> activityStack;
private static AppManager instance;
private AppManager() {
}
public static AppManager getAppManager() {
if (instance == null) {
instance = new AppManager();
}
return instance;
}
/**
* AddmActivity to stack
*/
public void addActivity(Activity activity) {
if (activityStack == null) {
activityStack = new Stack<Activity>();
}
activityStack.add(activity);
}
/**
* Get current Activity(stack Top Activity)
*/
public Activity currentActivity() {
if (activityStack == null || activityStack.isEmpty()) {
return null;
}
Activity activity = activityStack.lastElement();
return activity;
}
public Activity findActivity(Class<?> cls) {
Activity activity = null;
for (Activity aty : activityStack) {
if (aty.getClass().equals(cls)) {
activity = aty;
break;
}
}
return activity;
}
/**
* Finish Activity(Stack Top Activity)
*/
public void finishActivity() {
Activity activity = activityStack.lastElement();
finishActivity(activity);
}
/**
* Finish someone Activity
*/
public void finishActivity(Activity activity) {
if (activity != null) {
if (activityStack.contains(activity)) {
activityStack.remove(activity);
activity.finish();
activity = null;
}
}
}
/**
* Finish someone Activity
*/
public void finishActivity(Class<?> cls) {
for (Activity activity : activityStack) {
if (activity.getClass().equals(cls)) {
finishActivity(activity);
}
}
}
/**
* Finish All Activity except cls,if cls not in stack ,then clear all
* @param cls
*/
public void finishOthersActivity(Class<?> cls) {
for (Activity activity : activityStack) {
if (!(activity.getClass().equals(cls))) {
finishActivity(activity);
}
}
}
/**
* Finish All Activity
*/
public void finishAllActivity() {
for (int i = 0, size = activityStack.size(); i < size; i++) {
if (null != activityStack.get(i)) {
if (activityStack.contains(activityStack.get(i))) {
activityStack.get(i).finish();
}
}
}
activityStack.clear();
}
/**
* exit
*/
public void AppExit(Context context) {
try {
finishAllActivity();
ActivityManager activityMgr = (ActivityManager) context
.getSystemService(Context.ACTIVITY_SERVICE);
activityMgr.killBackgroundProcesses(context.getPackageName());
System.exit(0);
android.os.Process.killProcess(android.os.Process.myPid());
} catch (Exception e) {
System.exit(0);
}
}
}