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Fix runtime crash on KitKat and prior.

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This is a follow up CL to the previous CL [1], in which we started
calling Window#setNavigationBarColor(int) when the window visibility is
changed.

One thing we missed is that calling Window#setNavigationBarColor(int) on
KitKant or prior devices would result in a runtime crash.  Hence with
this CL we do not call that method unless the OS version is N or leter,
because specifying Color.TRANSPARENT would make sense on N+ devices.

  [1]: I14d9490e00caa852035a05830e76114cbe6af8f2
       6c04339c5aadb5118b0e0a8178b3d569956bbad7

Bug: 22564251
Bug: 27302540
Change-Id: Ib7299dd8c3dad4271f8fac453e690c83bda4a954
This commit is contained in:
Yohei Yukawa 2016-02-22 20:02:27 -08:00
parent 706fce9bb0
commit 60b59042d1
1 changed files with 8 additions and 2 deletions

10
java/src/com/android/inputmethod/latin/LatinIME.java

@ -33,6 +33,7 @@ import android.content.res.Resources;
import android.graphics.Color;
import android.inputmethodservice.InputMethodService;
import android.media.AudioManager;
import android.os.Build;
import android.os.Debug;
import android.os.IBinder;
import android.os.Message;
@ -54,6 +55,7 @@ import android.view.inputmethod.InputMethodSubtype;
import com.android.inputmethod.accessibility.AccessibilityUtils;
import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.compat.BuildCompatUtils;
import com.android.inputmethod.compat.EditorInfoCompatUtils;
import com.android.inputmethod.compat.InputMethodServiceCompatUtils;
import com.android.inputmethod.compat.InputMethodSubtypeCompatUtils;
@ -1908,7 +1910,11 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
}
private void setNavigationBarVisibility(final boolean visible) {
// Color.BLACK is ignored and default IME navigation bar color is used.
getWindow().getWindow().setNavigationBarColor(visible ? Color.BLACK : Color.TRANSPARENT);
if (BuildCompatUtils.EFFECTIVE_SDK_INT > Build.VERSION_CODES.M) {
// For N and later, IMEs can specify Color.TRANSPARENT to make the navigation bar
// transparent. For other colors the system uses the default color.
getWindow().getWindow().setNavigationBarColor(
visible ? Color.BLACK : Color.TRANSPARENT);
}
}
}