I have an app that I can run in either landscape or portrait mode. The
user can also disable landscape mode on tablets. On phones it runs in
portrait only.
On startup, it logs into a server. While doing so, it displays status
messages by updating a textview. What I see on the N7 in portrait mode:
1) ghosting of the textview as the text is updated multiple times. eg:
Activity 1 copy 1: TextA -> TextB ... but Activity 1 copy 2 still has it
as TextA... so it refreshes back to TextA, then Activity 1 copy 2 updates
TextA->TextB
2) When quitting the app, in portrait mode, it quits when I hit the back
button. In landscape mode, hitting the back button plays the quit
animation, the window closes and then Activity 1 copy 2 is left still
running.
The exact same activity code runs in both cases...
Layout detection is done as follows:
public static boolean isTabletMode(Context context) {
SharedPreferences sharedPrefs =
context.getSharedPreferences("WordHero", Activity.MODE_PRIVATE);
Boolean phoneMode = sharedPrefs.getBoolean("forcePhoneMode", false);
return ((context.getResources().getConfiguration().screenLayout &
Configuration.SCREENLAYOUT_SIZE_MASK) >=
Configuration.SCREENLAYOUT_SIZE_LARGE)
&& !phoneMode;
}
Then I do the following:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (isTabletMode(this))
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
else
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
setContentView(R.layout.splashscreen);
Some more data: this only happens when the app is run in landscape mode,
but initially held in portrait mode. ie: the initial screen is held in
portrait. You do not need to physically rotate the screen to trigger this
(ie: still happens when run in landscape, but held in portrait!).
This is happening on JB 4.1.2 on a Nexus 7, but NOT on a Nexus S running JB
4.1.2 (because the default OS never runs in portrait mode).
Can anyone tell me how to fix this ? Thanks !
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