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BaseActivity: support android 5 and 6 when clearing drawable cache

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2018-06-04 18:35:18 +02:00
parent 48f796c463
commit 0c0c1acc3b
1 changed files with 15 additions and 7 deletions
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22
app/src/main/java/com/wireguard/android/activity/BaseActivity.java
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@ -120,18 +120,26 @@ public abstract class BaseActivity extends AppCompatActivity implements Topic.Su
}
@Override
public void onTopicPublished(Topic topic) {
public void onTopicPublished(final Topic topic) {
if (topic == Application.getComponent().getThemeChangeTopic()) {
try {
Field f = getResources().getClass().getDeclaredField("mResourcesImpl");
f.setAccessible(true);
Object o = f.get(getResources());
Field f;
Object o = getResources();
try {
f = o.getClass().getDeclaredField("mResourcesImpl");
f.setAccessible(true);
o = f.get(o);
} catch (final Exception ignored) { }
f = o.getClass().getDeclaredField("mDrawableCache");
f.setAccessible(true);
o = f.get(o);
o.getClass().getMethod("onConfigurationChange", int.class).invoke(o, -1);
} catch (Exception e) {
Log.e(TAG, "Failed to flush icon cache", e);
try {
o.getClass().getMethod("onConfigurationChange", int.class).invoke(o, -1);
} catch (final Exception ignored) {
o.getClass().getMethod("clear").invoke(o);
}
} catch (final Exception e) {
Log.e(TAG, "Failed to flush drawable cache", e);
}
recreate();
}