android-support-library

问题 Given I'm using a layout like this: <android.support.design.widget.CoordinatorLayout android:id="@+id/main_content" xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent" android:fitsSystemWindows="true"> <android.support.design.widget.AppBarLayout android:id="@+id/appbar" android:layout_width="match_parent" android:layout_height="@dimen/flexible_space_image_height"

问题 API 26 introduces an advanced color calculation for ?textColorPrimary based on ?colorForeground . It makes use of states, primaryContentAlpha and disabledAlpha . sdk/platforms/android-26/data/res/color/text_color_primary.xml : <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_enabled="false" android:alpha="?attr/disabledAlpha" android:color="?attr/colorForeground"/> <item android:alpha="?attr/primaryContentAlpha"

问题 I am using Android Studio 3.1.3. Gradle build sync failed. I used following method but there is no use of it. If there is any solution please tell me maven { url "https://maven.google.com" } Invalidate restart & caches multiDexEnabled true Adding mavenLocal() and mavenCentral() This is module level build.gradle file: android { compileSdkVersion 27 defaultConfig { applicationId "com.developers.a_g.designapp" minSdkVersion 15 targetSdkVersion 27 buildToolsVersion '27.1.1' versionCode 1

问题 When using compile 'com.google.android.support:wearable:2.0.4' (the latest version of com.google.android.support:wearable ) in my Wear app's build.gradle file, I get the error below, but I am not using 26.0.0. What should I do? Even if I add compile 'com.android.support:wear:26.0.0' it still fails. Error in the project's gradle file: Error:(22, 13) Failed to resolve: com.android.support:wear:26.0.0 <a href="install.m2.repo">Install Repository and sync project</a><br><a href="openFile:/...

问题 I have a SherlockFragmentActivity, this Activity have a SectionsPagerAdapter and a ViewPager. When I call the constructor of the SectionsPagerAdapter with getChildFragmentManager() method, it shows me this error message: The method getChildFragmentManager() is undefined for the type ViewPagerActivity This is my code: public class ViewPagerActivity extends SherlockFragmentActivity implements OnPageChangeListener, OnQueryTextListener{ private SectionsPagerAdapter sectionsPagerAdapter; private

问题 I am creating a searchview in the toolbar using onCreateOptionsMenu , but can't get the clear X button to initially be white. It becomes white when starting to type letters. It also stays white after clearing. @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater menuInflater = getMenuInflater(); menuInflater.inflate(R.menu.responsible_menu, menu); SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE); SearchView searchView = (SearchView) menu

问题 I'm using in my app several libraries from android support and i update them when they are available. During the test of the version 23.2.0, i've got a crash when i change the app permissions on android 6. As you know, when the user disable a permission, the app is recreated (same way as when the device rotate) and your parcelable objects are saved and restored from a bundle. With the version 23.2.0, when the app is recreated, i've got a parcel error. I think that this error is not from my

问题 I want to start using the new ActionBar of the appcompat-v7 support library, and I'm using maven . I tried to create an apklib. These are the steps I followed: Create a ZIP file of the project android-sdks/extras/android/support/v7/appcompat Rename the ZIP file with an APKLIB extension. Install the APKLIB file into my local repository: C:....m2\repository\android\support\compatibility-v7-appcompat\18>mvn install:install-file -Dfile=appcombat.apklib -DgroupId=android.support -DartifactId

问题 I had a RecyclerView in ScrollView like this: <ScrollView android:layout_width="match_parent" android:layout_height="match_parent"> <!--other stuff--> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content"> <android.support.v7.widget.RecyclerView android:layout_width="match_parent" android:layout_height="wrap_content" android:visibility="gone"/> </LinearLayout> <!--other stuff--> </ScrollView> And the RecyclerView 's item is a RelativeLayout , inside of which

问题 I wanted to provide the SnackBar animation from top, instead of the regular behavior that displays the SnackBar from bottom. Is this easily hackable? 回答1: No it is not possible. The documentation states that They show a brief message at the bottom of the screen on mobile and lower left on larger devices. Snackbars appear above all other elements on screen and only one can be displayed at a time. You could use a third part library, like Crouton for instance 回答2: it is possible. check this