android-actionbar

问题 i am trying to achieve theme like this but i can't find any help about it i am trying to get white action bar with black icons and text and status bar with black icons and white background I am changing color pragmatically but I think there is some proper theme to get something like this i have also tried material.theme.light 回答1: Here is your Solution Try this <?xml version="1.0" encoding="utf-8"?> <android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk

问题 i am trying to achieve theme like this but i can't find any help about it i am trying to get white action bar with black icons and text and status bar with black icons and white background I am changing color pragmatically but I think there is some proper theme to get something like this i have also tried material.theme.light 回答1: Here is your Solution Try this <?xml version="1.0" encoding="utf-8"?> <android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk

问题 I get actionBar object below as null, and hence a NullPointerException when executing actionBar.setDisplayHomeAsUpEnabled(true) . Following is my code which is called from onResume of the Fragment. ActionBar actionBar = getActivity().getActionBar(); actionBar.setDisplayHomeAsUpEnabled(true); Followwing is the theme I apply to the activity in the onCreate: <style name="MyActionBarTheme" parent="Theme.AppCompat.Light"> <item name="actionBarStyle">@style/MyActionBar</item> <item name=

问题 I am developing an understanding of data instantiation as it applies to the ActionBar using tabs and fragments. The below code causes the following two errors, 1) "The method replace(int, Fragment, String) in the type FragmentTransaction is not applicable for the arguments (int, Tab1Fragment, String)" at getSupportFragmentManager().beginTransaction().replace(android.R.id.content, Tab1,"Tab1Fragment_TAG").commit(); and, 2) "Cannot cast from Fragment to Tab1Fragment" at Tab1Fragment Tab1 =

问题 I am developing an understanding of data instantiation as it applies to the ActionBar using tabs and fragments. The below code causes the following two errors, 1) "The method replace(int, Fragment, String) in the type FragmentTransaction is not applicable for the arguments (int, Tab1Fragment, String)" at getSupportFragmentManager().beginTransaction().replace(android.R.id.content, Tab1,"Tab1Fragment_TAG").commit(); and, 2) "Cannot cast from Fragment to Tab1Fragment" at Tab1Fragment Tab1 =

问题 Hi I am developing sample Android application in which I am trying to display menu items in actionbar. But my actionbar always showing overflow menu even if there is only single menu item. It is not showing my menu items image in action bar. I have implemented this in following manner <menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:compat="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" tools:context="com.example.samplechromiapp

问题 Hi I am developing sample Android application in which I am trying to display menu items in actionbar. But my actionbar always showing overflow menu even if there is only single menu item. It is not showing my menu items image in action bar. I have implemented this in following manner <menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:compat="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" tools:context="com.example.samplechromiapp

问题 I have the following issue with my app, specifically with the Action Bar: and the ID (indicated with the red rectangle) but since the size of the Action Bar nor the icons contained in cannot be changed due to esthetic reasons, I would like to display a text with the whole number and ID when the users press in the section I've highlighted. Currently, I'm setting the text like this(delivery var and idDelivery are Strings): ActionBar ab = getActionBar(); ab.setTitle(delivery); ab.setSubtitle("ID

问题 I wrote this SSCCE to demonstrate the problem. The emulator is NexusFive but it is customised to use API22. SSCCE res/values/colors.xml <?xml version="1.0" encoding="utf-8"?> <resources> <color name="primaryColor">#69F0AE</color> <!-- Light ferozi --> <color name="primaryColorDark">#00E676</color> <!-- Darker Ferozi --> <color name="accentColor">#F44336</color> <!-- Red 500 --> </resources> res/values/styles.xml <resources> <style name="AppBaseTheme" parent="Theme.AppCompat"></style> <style

问题 I'm using ActionBarSherlock and I would like to animate the home button to tell the user to click on it. I want to use three different images to show the animation. How can I do this? 回答1: Get the action bar in you onCreate : ActionBar actionBar = getSupportActionBar(); Create and load an animation drawable which you defined in XML: // homeDrawable is a field on your activity homeDrawable = (AnimationDrawable) getResources().getDrawable(R.drawable.my_thing); Set the drawable as the icon on