Fix null pointer expection when get CollapsingToolbrDelegate (b0013614) · Commits · e / os / android_frameworks_base

packages/SettingsLib/CollapsingToolbarBaseActivity/src/com/android/settingslib/collapsingtoolbar/CollapsingToolbarBaseActivity.java

+11 −5

Original line number	Diff line number	Diff line
		@@ -63,8 +63,7 @@ public class CollapsingToolbarBaseActivity extends FragmentActivity {
		return;
		}

		mToolbardelegate = new CollapsingToolbarDelegate(new DelegateCallback());
		View view = mToolbardelegate.onCreateView(getLayoutInflater(), null);
		View view = getToolbarDelegate().onCreateView(getLayoutInflater(), null);
		super.setContentView(view);
		}

		@@ -107,7 +106,7 @@ public class CollapsingToolbarBaseActivity extends FragmentActivity {

		@Override
		public void setTitle(CharSequence title) {
		mToolbardelegate.setTitle(title);
		getToolbarDelegate().setTitle(title);
		}

		@Override
		@@ -128,7 +127,7 @@ public class CollapsingToolbarBaseActivity extends FragmentActivity {
		*/
		@Nullable
		public CollapsingToolbarLayout getCollapsingToolbarLayout() {
		return mToolbardelegate.getCollapsingToolbarLayout();
		return getToolbarDelegate().getCollapsingToolbarLayout();
		}

		/**
		@@ -136,6 +135,13 @@ public class CollapsingToolbarBaseActivity extends FragmentActivity {
		*/
		@Nullable
		public AppBarLayout getAppBarLayout() {
		return mToolbardelegate.getAppBarLayout();
		return getToolbarDelegate().getAppBarLayout();
		}

		private CollapsingToolbarDelegate getToolbarDelegate() {
		if (mToolbardelegate == null) {
		mToolbardelegate = new CollapsingToolbarDelegate(new DelegateCallback());
		}
		return mToolbardelegate;
		}
		}