Fix NPE in Toolbar - framework edition
Caused by super constructor calling non-final methods
which Toolbar overrides, and then tries to reference
final variables.
BUG: 28806107
Change-Id: Ieaf5f7611dbbf954e49c31e604aa2f7627248615
diff --git a/core/java/android/widget/Toolbar.java b/core/java/android/widget/Toolbar.java
index 9cdb73a..0988c92 100644
--- a/core/java/android/widget/Toolbar.java
+++ b/core/java/android/widget/Toolbar.java
@@ -161,7 +161,7 @@
private int mTitleMarginTop;
private int mTitleMarginBottom;
- private final RtlSpacingHelper mContentInsets = new RtlSpacingHelper();
+ private RtlSpacingHelper mContentInsets;
private int mContentInsetStartWithNavigation;
private int mContentInsetEndWithActions;
@@ -270,6 +270,7 @@
final int contentInsetRight =
a.getDimensionPixelSize(R.styleable.Toolbar_contentInsetRight, 0);
+ ensureContentInsets();
mContentInsets.setAbsolute(contentInsetLeft, contentInsetRight);
if (contentInsetStart != RtlSpacingHelper.UNDEFINED ||
@@ -463,13 +464,13 @@
*/
public void setTitleMarginBottom(int margin) {
mTitleMarginBottom = margin;
-
requestLayout();
}
@Override
public void onRtlPropertiesChanged(@ResolvedLayoutDir int layoutDirection) {
super.onRtlPropertiesChanged(layoutDirection);
+ ensureContentInsets();
mContentInsets.setDirection(layoutDirection == LAYOUT_DIRECTION_RTL);
}
@@ -1092,6 +1093,7 @@
* @attr ref android.R.styleable#Toolbar_contentInsetStart
*/
public void setContentInsetsRelative(int contentInsetStart, int contentInsetEnd) {
+ ensureContentInsets();
mContentInsets.setRelative(contentInsetStart, contentInsetEnd);
}
@@ -1112,7 +1114,7 @@
* @attr ref android.R.styleable#Toolbar_contentInsetStart
*/
public int getContentInsetStart() {
- return mContentInsets.getStart();
+ return mContentInsets != null ? mContentInsets.getStart() : 0;
}
/**
@@ -1132,7 +1134,7 @@
* @attr ref android.R.styleable#Toolbar_contentInsetEnd
*/
public int getContentInsetEnd() {
- return mContentInsets.getEnd();
+ return mContentInsets != null ? mContentInsets.getEnd() : 0;
}
/**
@@ -1154,6 +1156,7 @@
* @attr ref android.R.styleable#Toolbar_contentInsetRight
*/
public void setContentInsetsAbsolute(int contentInsetLeft, int contentInsetRight) {
+ ensureContentInsets();
mContentInsets.setAbsolute(contentInsetLeft, contentInsetRight);
}
@@ -1174,7 +1177,7 @@
* @attr ref android.R.styleable#Toolbar_contentInsetLeft
*/
public int getContentInsetLeft() {
- return mContentInsets.getLeft();
+ return mContentInsets != null ? mContentInsets.getLeft() : 0;
}
/**
@@ -1194,7 +1197,7 @@
* @attr ref android.R.styleable#Toolbar_contentInsetRight
*/
public int getContentInsetRight() {
- return mContentInsets.getRight();
+ return mContentInsets != null ? mContentInsets.getRight() : 0;
}
/**
@@ -2128,6 +2131,12 @@
}
}
+ private void ensureContentInsets() {
+ if (mContentInsets == null) {
+ mContentInsets = new RtlSpacingHelper();
+ }
+ }
+
/**
* Accessor to enable LayoutLib to get ActionMenuPresenter directly.
*/