android-support-library

问题 I'm attempting to create a dynamic UI using the support.v4 library to insert fragments into a framelayout I have defined for my main activity. Here is my activity_main.xml: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="horizontal" android:baselineAligned="false" > <LinearLayout android:layout_width="0dp" android:layout_height="fill

问题 Some Java library methods like DecimalFormat.setRoundingMode have a @since 1.6 entry in their documentation. /** ... * @since 1.6 */ public void setRoundingMode(RoundingMode roundingMode) { ... } When I tried to use this method compiled under Android 4.2.2 and JDK 1.6 with my android:minSdkVersion set to 7 as shown, myNumberFormat.setRoundingMode(RoundingMode.DOWN); Android Lint underlined setRoundingMode in red for me and told me that Call requires API level 9 (current min is 7): java.text

问题 In regular android application I can use navigation drawer for navigate between top level views (sections of app) What should be used in tv apps? I see only possibility for two level of content organizing Categories -> Movies But in our app we have several sections (Live channels, On demand Movies, Recorded shows etc) with categories in most of them. Is it possible using standard android.support.v17.leanback.app.BrowseFragment and android.support.v17.leanback.app.DetailsFragment? 回答1: In

问题 The code was working fine before, but when I updated support library to 24, It crashes when displaying alert dialog. Couldn't find any help as it is updated recently. Code: AlertDialog.Builder builderSingle; builderSingle = new AlertDialog.Builder(mContext); //set buttons and title code builderSingle.show(); Logcat: Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.v7.internal.widget.DialogTitle" on path: DexPathList[[zip file "/data/app/com.abc-2/base.apk"]

问题 I'm using last version of the support libraries, 22.1.1. I used to go like: mRatingBar = (RatingBar) getActivity().findViewById(R.id.rating); LayerDrawable layer = (LayerDrawable) mRatingBar.getProgressDrawable(); but after upgrading it crashes at line 2 with a ClassCastException : android.support.v4.graphics.drawable.DrawableWrapperHoneycomb cannot be cast to android.graphics.drawable.LayerDrawable at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:973) at android

问题 Adding enterAlways to the scroll flags of the Cheesesquare demo: <android.support.design.widget.CollapsingToolbarLayout android:id="@+id/collapsing_toolbar" android:layout_width="match_parent" android:layout_height="match_parent" android:fitsSystemWindows="true" app:contentScrim="?attr/colorPrimary" app:layout_scrollFlags="scroll|exitUntilCollapsed|enterAlways"> results in a wrong layout: During scrolling down, the header comes in correctly but it doesn't stop in the correct position.

问题 Google has just released android.support.transition package which provides backport to its transition-framework, which is really awesome. https://developer.android.com/reference/android/support/transition/package-summary.html Unfortunately, when trying to use the Transition/TransitionSet object from this package as a shared element for fragment transaction, the application fails on following error : E/AndroidRuntime: FATAL EXCEPTION: main Process: gregor.martin.loginregisteractivity, PID:

问题 Short version I'm getting an unhandled exception when instantiating an android.support.v7.app.MediaRouteButton object. I get: NoClassDefFoundError: android.support.v7.mediarouter.R$attr Where is this class? Or if it's auto-generated, how do I get it to auto-generate? Longer version I am following along with the tutorial for Android app development for chromecast found here: https://developers.google.com/cast/cast_2nd-screen_app_tutorial I am developing using the ADT bundled eclipse, on ubuntu

问题 This is in reference to a warning message appearing in build.gradle file: All com.android.support libraries must use the exact same version specification (mixing versions may lead to runtime crashes) I'm well aware of this and use identical versions in my own code / build. However this isn't the case when it comes to some 3rd party libraries that I use. Sometimes 3rd party libraries use older versions, and some other ones use newer versions - so updating your version of support libraries will

问题 I try to resize the Android Support Toolbar of my Activity on orientation change as it is too big in landscape mode. It's not automatically resized as I'm using android:configChanges="orientation|screenSize" on my activity and thus the activity won't be recreated. The toolbar XML is like this: <android.support.v7.widget.Toolbar xmlns:app="http://schemas.android.com/apk/res-auto" android:id="@+id/my_awesome_toolbar" android:layout_width="match_parent" android:layout_height="?attr/actionBarSize