我在我的Android应用程序中使用BottomBar菜单。 BottomBar中有5个菜单。这是主要活动
public class MainActivity extends BaseActivity {
private static final String TAG = "MainActivity";
private static final String COMMAND_RESET_PASSWORD = "reset-password";
private static final String COMMAND_REFERRAL = "referral";
private static final int HOME = 0;
private static final int MAP = 1;
private static final int DEAL = 2;
private static final int NOTIFICATION = 3;
private static final int SETTINGS = 4;
private BottomBar mBottomBar;
private int mCurrentTab = HOME;
private BottomBarBadge mNotificationBadge;
private boolean mActive;
@Override
protected void onCreate(Bundle savedInstanceState) {
mActive = true;
super.onCreate(savedInstanceState);
initBottomBar(savedInstanceState);
Intent intent = getIntent();
handleIntent(intent);
}
private void initBottomBar(Bundle savedInstanceState) {
mBottomBar = BottomBar.attach(this, savedInstanceState);
mBottomBar.useFixedMode();
mBottomBar.noTabletGoodness();
mBottomBar.setItemsFromMenu(R.menu.bottombar_menu, new OnMenuTabClickListener() {
@Override
public void onMenuTabSelected(@IdRes int menuItemId) {
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
switch (menuItemId) {
case R.id.bottomBarHome:
showStoreList();
break;
case R.id.bottomBarMap:
showMap();
break;
case R.id.bottomBarDeal:
showDeals();
break;
case R.id.bottomBarSettings:
showSettings();
break;
case R.id.bottomBarNotification:
if (mNotificationBadge != null) {
mNotificationBadge.hide();
Sample.getApp().clearBadge();
}
showNotifications();
break;
}
}
@Override
public void onMenuTabReSelected(@IdRes int menuItemId) {
switch (menuItemId) {
case R.id.bottomBarHome:
if (mCurrentTab != HOME)
showStoreList();
break;
case R.id.bottomBarMap:
if (mCurrentTab != MAP)
showMap();
break;
case R.id.bottomBarDeal:
if (mCurrentTab != DEAL) {
showDeals();
}
break;
case R.id.bottomBarNotification:
if(mCurrentTab != NOTIFICATION) {
if (mNotificationBadge != null) {
mNotificationBadge.hide();
mNotificationBadge.setDealItemCount(0);
Sample.getApp().clearBadge();
}
showNotifications();
}
break;
case R.id.bottomBarSettings:
if (mCurrentTab != SETTINGS)
showSettings();
break;
}
}
});
mNotificationBadge = mBottomBar.makeBadgeForTabAt(3, R.color.sample_badge_color, Sample.getApp().getBadgeCount());
}
public void hideBottomBar() {
if (mBottomBar != null) mBottomBar.hide();
}
public void showBottomBar() {
if (mBottomBar != null) mBottomBar.show();
}
@Override
protected void onResume() {
super.onResume();
handleCommands();
if (mNotificationBadge != null) {
mNotificationBadge.setDealItemCount(Sample.getApp().getBadgeCount());
}
}
public void showPointPopUp() {
PointDialogFragment fragment = new PointDialogFragment();
fragment.setShowsDialog(true);
fragment.show(getSupportFragmentManager(),TAG);
}
private void showStoreList() {
mCurrentTab = HOME;
Fragment fragment = Fragment.instantiate(this, StoreListFragment.class.getName());
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_frame, fragment)
.commitAllowingStateLoss();
}
private void showMap() {
String storeId = Sample.getApp().getMallId();
Store store = mStoreCache.getMall(storeId);
if (store != null && store.isMapAvailable()) {
Bundle args = new Bundle();
args.putString(Sample.EXTRA_STORE_ID, Sample.getApp().getMallId());
args.putBoolean(Sample.EXTRA_COMMAND, true);
Fragment fragment = Fragment.instantiate(this, SampleMapFragment.class.getName(), args);
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_frame, fragment)
.commitAllowingStateLoss();
} else {
Fragment fragment = Fragment.instantiate(this, StoreMapFragment.class.getName());
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_frame, fragment)
.commitAllowingStateLoss();
}
mCurrentTab = MAP;
}
private void showDeals() {
mCurrentTab = DEAL;
String storeId = Sample.getApp().getMallId();
Bundle args = new Bundle();
if (storeId != null)
args.putString(Sample.EXTRA_STORE_ID, storeId);
Fragment fragment = Fragment.instantiate(this, DealsFragment.class.getName(), args);
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_frame, fragment)
.commitAllowingStateLoss();
}
private void showNotifications(){
mCurrentTab = NOTIFICATION;
Fragment fragment = Fragment.instantiate(this, NotificationFragment.class.getName());
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_frame, fragment)
.commitAllowingStateLoss();
}
private void showSettings() {
mCurrentTab = SETTINGS;
Fragment fragment = Fragment.instantiate(this, ProfileFragment.class.getName());
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_frame, fragment)
.commitAllowingStateLoss();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
onBackPressed();
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
protected int getLayoutResource() {
return R.layout.activity_content_frame;
}
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
setIntent(intent);
Log.d(TAG, "inside onNewIntent");
if (mActive) {
handleIntent(getIntent());
}
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mBottomBar.onSaveInstanceState(outState);
}
@Override
protected void onDestroy() {
mActive = false;
super.onDestroy();
}
@Override
protected void onStart() {
super.onStart();
Branch branch = Branch.getInstance();
if (BuildConfig.DEBUG) {
branch.setDebug();
}
Log.d(TAG, "inside branch no error");
branch.initSession((referringParams, error) -> {
if (error == null) {
try {
Log.d(TAG, "parsed data from referringParams");
if (referringParams.has("data")) {
String link = referringParams.getJSONObject("data").getString("link");
if(link != null && !link.isEmpty()){
Uri uri = Uri.parse(link);
if(uri.getScheme().equals("sample")){
List<String> pathSegments = uri.getPathSegments();
String command = "";
String argument = null;
if (!pathSegments.isEmpty() && pathSegments.size() == 1) {
command = uri.getHost();
argument = pathSegments.get(0);
}
if(COMMAND_REFERRAL.equals(command) && argument != null){
Sample.getApp().currentUser().setReferralCode(argument);
}else {
Intent activityIntent = new Intent(MainActivity.this, LinkHandlerActivity.class);
activityIntent.setData(uri);
startActivity(activityIntent);
}
}
}
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}, this.getIntent().getData(), this);
}
public void showSignUpInPage() {/*line 319 */
Bundle args = new Bundle();
args.putString(Sample.TYPE, Sample.SIGN_UP);
Fragment fragment =
Fragment.instantiate(this, SignUpInFragmentMain.class.getName(),args);
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_frame, fragment)
.addToBackStack(null)
.commit();/***This is the 319th line***/
}
public void forgotPassword(){
Fragment fragment =
Fragment.instantiate(this, ForgotPasswordFragment.class.getName());
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_frame, fragment)
.addToBackStack(null)
.commit();
}
private void handleCommands() {
if (!mActive || Sample.getApp().getNotificationCommand() == null) {
return;
}
switch (Sample.getApp().getNotificationCommand()) {
case Sample.COMMAND_DEAL:
showStoreDetail(Sample.getApp().getStoreId());
break;
case Sample.COMMAND_MALL_DEAL:
showMallDetail(Sample.getApp().getStoreId());
break;
case Sample.COMMAND_REGISTER:
showSignUpInPage();
break;
case Sample.COMMAND_DEFAULT:
break;
case Sample.COMMAND_MAP:
mBottomBar.selectTabAtPosition(1, true);
break;
}
Sample.getApp().setNotificationCommand(null);
}
private void handleIntent(Intent intent) {
if (!mActive) {
return;
}
Uri uri = intent.getData();
if (uri != null) {
Fragment fragment;
List<String> pathSegments = uri.getPathSegments();
String command;
String argument;
if (pathSegments.isEmpty()) {
return;
}
if (pathSegments.size() == 1) {
command = uri.getHost();
argument = pathSegments.get(0);
} else {
command = pathSegments.get(1);
argument = pathSegments.size() > 2 ? pathSegments.get(2) : null;
Log.d(TAG,pathSegments.toString());
}
Bundle args = new Bundle();
switch (command) {
case COMMAND_RESET_PASSWORD:
String uid = pathSegments.size() > 2 ? pathSegments.get(2) : null;
String token = pathSegments.size() > 3 ? pathSegments.get(3) : null;
args.putString(Sample.EXTRA_PASSWORD_TOKEN, token);
args.putString(Sample.EXTRA_PASSWORD_UID, uid);
Fragment resetPasswordFragment =
Fragment.instantiate(this, ResetPasswordFragment.class.getName(), args);
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_frame, resetPasswordFragment)
.addToBackStack(null)
.commit();
break;
case COMMAND_REFERRAL:
if(argument != null)
Sample.getApp().currentUser().setReferralCode(argument);
break;
}
}
}
private void showStoreDetail(String storeId) {
Sample.getApp().setStoreId(null);
Bundle args = new Bundle();
args.putString(Sample.EXTRA_STORE_ID, storeId);
Fragment fragment = Fragment.instantiate(this, StoreDetailFragment.class.getName(), args);
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_frame, fragment)
.addToBackStack(null)
.commit();
}
private void showMallDetail(String storeId) {
Sample.getApp().setStoreId(null);
Bundle args = new Bundle();
args.putString(Sample.EXTRA_STORE_ID, storeId);
Fragment fragment = Fragment.instantiate(this, MallDetailFragment.class.getName(), args);
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_frame, fragment)
.addToBackStack(null)
.commit();
}
}
在标签之间切换时（Bottombar菜单）导致应用程序在某些设备中崩溃。但我无法重现异常。
这是堆栈跟踪
Non-fatal Exception: java.lang.RuntimeException: Unable to resume activity {com.beco.ibeco/com.beco.ibeco.app.MainActivity}: java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3000)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3031)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1354)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5268)
at java.lang.reflect.Method.invoke(Method.java)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:902)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:697)
Caused by java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
at android.support.v4.app.FragmentManagerImpl.checkStateLoss(FragmentManager.java:1842)
at android.support.v4.app.FragmentManagerImpl.enqueueAction(FragmentManager.java:1860)
at android.support.v4.app.FragmentManagerImpl.popBackStack(FragmentManager.java:781)
at com.beco.ibeco.app.MainActivity$1.onMenuTabSelected(MainActivity.java:74)
at com.beco.ibeco.app.views.bottombar.BottomBar.notifyMenuListener(BottomBar.java:1239)
at com.beco.ibeco.app.views.bottombar.BottomBar.updateSelectedTab(BottomBar.java:1199)
at com.beco.ibeco.app.views.bottombar.BottomBar.selectTabAtPosition(BottomBar.java:437)
at com.beco.ibeco.app.MainActivity.handleCommands(MainActivity.java:347)
at com.beco.ibeco.app.MainActivity.onResume(MainActivity.java:154)
at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1257)
at android.app.Activity.performResume(Activity.java:6119)
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2989)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3031)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1354)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5268)
at java.lang.reflect.Method.invoke(Method.java)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:902)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:697)
任何人都可以帮助我。！
答案 0 :(得分：2)
快速解决方案是对您正在为当前活动所做的所有FragmentTransactions使用<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>
<table id="mytable"></table>而不是。.commitAllowingStateLoss();。
答案 1 :(得分：2)
有一个与之相关的错误：https://issuetracker.google.com/issues/36932872
要保存实例并向outState Bundle添加内容，可以使用以下命令：
@Override
protected void onSaveInstanceState(Bundle outState) {
outState.putString("WORKAROUND_FOR_BUG_KEY","WORKAROUND_FOR_BUG_VALUE");
super.onSaveInstanceState(outState);
}
如果不起作用，也尝试添加此行：
transaction.commitAllowingStateLoss();
答案 2 :(得分：1)
我遇到过这个问题
对于那些片段状态已丢失的.commitAllowingStateLoss();，我使用.commit();代替FragmentTransaction。
在另一个课程中，您可以使用.commit();