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    <p>Based on the <a href="http://developer.android.com/reference/android/support/v4/widget/DrawerLayout.html">documentation</a>, the <em>only</em> available gravities that can be used are <code>Gravity.LEFT</code>, <code>Gravity.RIGHT</code> or <code>GravityCompat.START</code>, <code>GravityCompat.END</code>.</p> <p>(Emphasis mine):</p> <blockquote> <p>Drawer positioning and layout is controlled using the android:layout_gravity attribute on child views corresponding to which side of the view you want the drawer to emerge from: <strong>left</strong> or <strong>right</strong>. (Or <strong>start/end</strong> on platform versions that support layout direction.)</p> </blockquote> <p>Looking at the <a href="https://android.googlesource.com/platform/frameworks/support/+/refs/heads/master/v4/java/android/support/v4/widget/DrawerLayout.java">source code</a></p> <pre><code>public void setDrawerLockMode(int lockMode, int edgeGravity) { final int absGrav = GravityCompat.getAbsoluteGravity(edgeGravity, ViewCompat.getLayoutDirection(this)); if (absGrav == Gravity.LEFT) { mLockModeLeft = lockMode; } else if (absGrav == Gravity.RIGHT) { mLockModeRight = lockMode; } if (lockMode != LOCK_MODE_UNLOCKED) { // Cancel interaction in progress final ViewDragHelper helper = absGrav == Gravity.LEFT ? mLeftDragger : mRightDragger; helper.cancel(); } switch (lockMode) { case LOCK_MODE_LOCKED_OPEN: final View toOpen = findDrawerWithGravity(absGrav); if (toOpen != null) { openDrawer(toOpen); } break; case LOCK_MODE_LOCKED_CLOSED: final View toClose = findDrawerWithGravity(absGrav); if (toClose != null) { closeDrawer(toClose); } break; // default: do nothing } } </code></pre> <p>The method itself only checks if the gravity is <code>LEFT</code> or <code>RIGHT</code> (but uses a <code>GravityCompat</code> method, so <code>START</code> and <code>END</code> should be appropriately translated).</p> <p>This would mean that by setting a gravity of <code>"start|bottom"</code>, you're introducing an invalid gravity, which causes <code>setDrawerLockMode()</code> to do nothing.</p>
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    1. POWhy i can't lock DrawerLayout with layout gravity
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    1. POWhy i can't lock DrawerLayout with layout gravity
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    1. COThanks. I already fixed this problem adding list view into another layout. But this code explains my question.
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      1. USSinan Kozak
    2. COYou're welcome! Congrats on finding an alternative to what you wanted to achieve :-)
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