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POFollow up on Password protect launch of android application
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copied!<p>Following up on <a href="https://stackoverflow.com/a/3448189">https://stackoverflow.com/a/3448189</a>, what is the best way to actually <em>show</em> the password screen?</p> <p>My first try was starting a SubActivity with a LockActivity:</p> <pre><code>// MainActivity.java public void onResume() { super.onResume(); ApplicationState state = ((ApplicationState) getApplication()); if ((new Date().getTime() - state.mLastPause) > 5000) { // Prompt for password if more than 5 seconds since last pause Intent intent = new Intent(this, LockActivity.class); startActivityForResult(intent, UNLOCKED); } } </code></pre> <p>However, this causes the MainActivity to be paused again after getting unlocked if the LockActivity is shown longer than 5 seconds.</p> <p>So, I have some things in mind:</p> <ol> <li>Use <code>Fragments</code> to show the Main screen or the Lock screen inside of MainActivity.</li> <li>Show a <code>Dialog</code> as Lock screen (not preferred).</li> <li>Using several <code>if ... else</code> branches to check whether a password has been set <strong>and</strong> the MainActivity has been paused longer than five seconds.</li> </ol> <p>To give you an example, I would like to achieve the same behavior as in the Dropbox app (using the "Passcode lock" option).</p> <p>What is the correct way to handle this?</p> <p>P.S. I'm not sure whether I should have posted this as a question to the original question, thus digging out the old thread. I felt like posting a new question is a cleaner solution.</p>

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