我正在开发一个应用程序,其中有一个名为“AboutPreference”的活动,它扩展了PreferenceActivity
,我在postCreate()
方法中添加了一个工具栏。问题是,我想将“homeAsUpIndicator”颜色从黑色更改为白色。我该怎么做?
代码:
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
LinearLayout root = (LinearLayout)findViewById(android.R.id.list).getParent().getParent().getParent();
Toolbar bar = (Toolbar) LayoutInflater.from(this).inflate(R.layout.about_toolbar, root, false);
root.addView(bar, 0); // insert at top
bar.setNavigationOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});
}
工具栏
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/colorPrimary"
app:navigationIcon="?attr/homeAsUpIndicator"
android:minHeight="?attr/actionBarSize"
app:navigationContentDescription="@string/abc_action_bar_up_description"
app:theme="@style/ToolTheme"
app:title="About Us"
tools:ignore="PrivateResource"/>
并且这里是样式
<style name="ToolTheme" parent="Theme.AppCompat.Light.NoActionBar">
<item name="android:textStyle">bold</item>
<item name="android:textColor">@color/white</item>
<item name="android:textColorSecondary">@color/white</item>
<item name="android:textColorPrimaryInverse">@color/white</item>
<item name="android:textSize">20sp</item>
<item name="android:homeAsUpIndicator">@color/White</item>
<item name="colorPrimary">#F5560A</item>
<item name="colorPrimaryDark">@color/accent</item>
<item name="android:navigationBarColor">@color/accent</item>
<item name="colorAccent">@color/accent</item>
</style>