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POActivity lifecycle issue - upgraded to 4.0.3
 

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  1. POActivity lifecycle issue - upgraded to 4.0.3
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    <p>I have all activities inherit from my BaseActivity. It's been working great for a year. Now after I upgraded my Nexus S to 4.0.3 my app stopped working - I get infinite loop that look like so:</p> <pre><code>12-28 20:09:22.285: DEBUG/IDATT.HomeActivity(24662): onCreate 12-28 20:09:22.285: DEBUG/IDATT.BaseActivity(24662): onCreate 12-28 20:09:22.442: DEBUG/IDATT.HomeActivity(24662): onResume 12-28 20:09:22.442: DEBUG/IDATT.BaseActivity(24662): onResume 12-28 20:09:22.578: DEBUG/IDATT.HomeActivity(24662): onCreate 12-28 20:09:22.578: DEBUG/IDATT.BaseActivity(24662): onCreate 12-28 20:09:22.653: DEBUG/IDATT.HomeActivity(24662): onResume 12-28 20:09:22.653: DEBUG/IDATT.BaseActivity(24662): onResume 12-28 20:09:22.785: DEBUG/IDATT.HomeActivity(24662): onCreate 12-28 20:09:22.785: DEBUG/IDATT.BaseActivity(24662): onCreate 12-28 20:09:22.863: DEBUG/IDATT.HomeActivity(24662): onResume 12-28 20:09:22.863: DEBUG/IDATT.BaseActivity(24662): onResume </code></pre> <p>So, when <code>HomeActivity</code> started it calls base.onCreate which is second line. Then <code>onResume</code> called and for some reason after that - BaseActivity.onCreate called again.</p> <p>Does this make sense? One thing I noticed is that everything runs OK until I turn screen. Then it starts blinking. Even if I hit Home and open application again. But if I kill process and restart it looks good until I try to flip screen again..</p> <p>EDIT: I removed all the code samples - they not relevant. Seems like I found my issue. I did override <code>onConfigurationChange</code> in my <code>Application</code></p> <pre><code>@Override public void onConfigurationChanged(Configuration newConfig) { Log.d(LOG_TAG, "onConfigurationChanged"); super.onConfigurationChanged(newConfig); //reset locale to our defined locale in settings // String l = Preferences.getLocale(getApplicationContext()); // Locale locale = new Locale(l); // if (!l.equals("")) // { // newConfig.locale = locale; // Locale.setDefault(locale); // getBaseContext().getResources().updateConfiguration(newConfig, getBaseContext().getResources().getDisplayMetrics()); // } } </code></pre> <p>Commented code caused issue. Seems like doing what I did (to change locale) caused whole UI to restart and it was doing it repeatedly. Now I need to come up with better way.</p> <p>So, there is breaking change in this Locale area in 4.0</p>
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    1. COShow your `onCreate(...)` and `onResume()` code of both `BasActivity` and `HomeActivity`.
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    2. COThere is a lot of code, I tried commenting most of it with no change..
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    3. COI've never used `updateConfiguration(...)` but that suggests to me it's going to trigger `onConfigurationChanged(...)`. No? If it does, that's where your infinite loop is coming from. What happens if you leave the call to `updateConfiguration(...)` commented out, uncomment the other lines and move `super.onConfigurationChanged(newConfig);` to the end of your overridden `onConfigurationChanged(...)` method. In other words, call it last after you have modified `newConfig` to set its locale.
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