當使用Proguard和縮小比例時不會隱藏在Android上的軟鍵

我有一個LibGDX遊戲，我剛剛注意到在某些時候，軟鍵不再隱藏。我不確定這是什麼時候發生或發生了什麼變化。當使用Proguard和縮小比例時不會隱藏在Android上的軟鍵

調查問題我發現它在調試模式下工作正常。然後我嘗試了關閉縮小的發佈版本，並且它也正常工作。

我試過調整各種設置，但無法獲得軟鍵隱藏打開縮小。

我在兩個不同的Android 6設備上發生了這種情況。

我真的不知道從哪裏開始看這個。有沒有其他人經歷過這個？

我的UI相關的代碼是在這裏：

private void setUpAndroidUi() { 
    // Do the stuff that initialize() would do for you 
    requestWindowFeature(Window.FEATURE_NO_TITLE); 
    getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN); 

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { 
     setKitKatVisibility(); 
    } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { 
     setJellyBeanVisibility(); 
    } else { 
     setStandardVisibility(); 
    } 

    getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 
} 

private void setStandardVisibility() { 
    getWindow().getDecorView().setSystemUiVisibility(
      View.SYSTEM_UI_FLAG_HIDE_NAVIGATION); 
} 

@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN) 
private void setJellyBeanVisibility() { 
    getWindow().getDecorView().setSystemUiVisibility(
      View.SYSTEM_UI_FLAG_LAYOUT_STABLE 
        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION 
        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN 
        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION 
        | View.SYSTEM_UI_FLAG_FULLSCREEN); 
} 

@TargetApi(Build.VERSION_CODES.KITKAT) 
private void setKitKatVisibility() { 
    getWindow().getDecorView().setSystemUiVisibility(
      View.SYSTEM_UI_FLAG_LAYOUT_STABLE 
        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION 
        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN 
        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION 
        | View.SYSTEM_UI_FLAG_FULLSCREEN 
        | View.SYSTEM_UI_FLAG_IMMERSIVE); 
}

Proguard的文件是

# ********** DEAFULT ANDROID SETUP ************* 

# This is a configuration file for ProGuard. 
# http://proguard.sourceforge.net/index.html#manual/usage.html 

# Optimizations: If you don't want to optimize, use the 
# proguard-android.txt configuration file instead of this one, which 
# turns off the optimization flags. Adding optimization introduces 
# certain risks, since for example not all optimizations performed by 
# ProGuard works on all versions of Dalvik. The following flags turn 
# off various optimizations known to have issues, but the list may not 
# be complete or up to date. (The "arithmetic" optimization can be 
# used if you are only targeting Android 2.0 or later.) Make sure you 
# test thoroughly if you go this route. 
-optimizations !code/simplification/cast,!field/*,!class/merging/* 
-optimizationpasses 5 
-allowaccessmodification 
-dontpreverify 

# The remainder of this file is identical to the non-optimized version 
# of the Proguard configuration file (except that the other file has 
# flags to turn off optimization). 

-dontusemixedcaseclassnames 
-dontskipnonpubliclibraryclasses 
-verbose 

-renamesourcefileattribute SourceFile 
-keepattributes SourceFile,LineNumberTable 

-keepattributes *Annotation* 
-keep public class com.google.vending.licensing.ILicensingService 
-keep public class com.android.vending.licensing.ILicensingService 

# For native methods, see http://proguard.sourceforge.net/manual/examples.html#native 
-keepclasseswithmembernames class * { 
    native <methods>; 
} 

# keep setters in Views so that animations can still work. 
# see http://proguard.sourceforge.net/manual/examples.html#beans 
-keepclassmembers public class * extends android.view.View { 
    void set*(***); 
    *** get*(); 
} 

# We want to keep methods in Activity that could be used in the XML attribute onClick 
-keepclassmembers class * extends android.app.Activity { 
    public void *(android.view.View); 
} 

# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations 
-keepclassmembers enum * { 
    public static **[] values(); 
    public static ** valueOf(java.lang.String); 
} 

-keep class * implements android.os.Parcelable { 
    public static final android.os.Parcelable$Creator *; 
} 

-keepclassmembers class **.R$* { 
    public static <fields>; 
} 

# The support library contains references to newer platform versions. 
# Don't warn about those in case this app is linking against an older 
# platform version. We know about them, and they are safe. 
-dontwarn android.support.** 

# ********** END OF DEAFULT ANDROID SETUP ************* 

# ********** AMAZON RELATED STUFF ************* 

-dontwarn com.amazon.** 
-keep class com.amazon.** {*;} 
-keepattributes *Annotation* 

-optimizations !code/allocation/variable 

# ********** END AMAZON RELATED STUFF ************* 

# ********** WE WANT TO KEEP SERIALIZABLE STUFF FOR REFLECTION ********* 
-keep class * implements java.io.Serializable 
-keepnames class * implements java.io.Serializable 
-keepclassmembers class * implements java.io.Serializable{ 
    public <init>(); 
    public <init>(android.content.Context); 
} 

-keepclassmembers class * implements java.io.Serializable { 
    static final long serialVersionUID; 
    private static final java.io.ObjectStreamField[] serialPersistentFields; 
    !static !transient <fields>; 
    private void writeObject(java.io.ObjectOutputStream); 
    private void readObject(java.io.ObjectInputStream); 
    java.lang.Object writeReplace(); 
    java.lang.Object readResolve(); 
} 

# ********** END WE WANT TO KEEP SERIALIZABLE STUFF FOR REFLECTION ********* 

# ********** OGURY ********* 

-keepattributes Signature 
-keep class sun.misc.Unsafe { *; } 

-keep class shared_presage.** { *; } 
-keep class io.presage.** { *; } 
-keepclassmembers class io.presage.** { 
*; 
} 

-keepattributes *Annotation* 
-keepattributes JavascriptInterface 
-keepclassmembers class * { 
    @android.webkit.JavascriptInterface <methods>; 
} 

-dontwarn org.apache.commons.collections.BeanMap 
-dontwarn java.beans.** 

-keepclassmembers class * implements java.io.Serializable { 
    static final long serialVersionUID; 
    private static final java.io.ObjectStreamField[] serialPersistentFields; 
    private void writeObject(java.io.ObjectOutputStream); 
    private void readObject(java.io.ObjectInputStream); 
    java.lang.Object writeReplace(); 
    java.lang.Object readResolve(); 
} 

# ********** OGURY BESPOKE 

-keep class android.media.** 
-dontwarn android.media.** 
-dontnote android.media.** 

# ********** END OGURY ********* 

# ********** LIBGDX ************** 

-verbose 

-dontwarn android.support.** 
-dontwarn com.badlogic.gdx.backends.android.AndroidFragmentApplication 
-dontwarn com.badlogic.gdx.utils.GdxBuild 
-dontwarn com.badlogic.gdx.physics.box2d.utils.Box2DBuild 
-dontwarn com.badlogic.gdx.jnigen.BuildTarget* 

-keepclassmembers class com.badlogic.gdx.backends.android.AndroidInput* { 
    <init>(com.badlogic.gdx.Application, android.content.Context, java.lang.Object, com.badlogic.gdx.backends.android.AndroidApplicationConfiguration); 
} 

-keepclassmembers class com.badlogic.gdx.physics.box2d.World { 
    boolean contactFilter(long, long); 
    void beginContact(long); 
    void endContact(long); 
    void preSolve(long, long); 
    void postSolve(long, long); 
    boolean reportFixture(long); 
    float reportRayFixture(long, float, float, float, float, float); 
} 

# ********** LIBGDX BESPOKE 
-dontwarn java.awt.** 
-dontwarn com.google.gwt.** 
-keep,includedescriptorclasses class * implements com.badlogic.gdx.utils.Json* 

# ********** END LIBGDX ************** 

# ********** GUAVA ********** 

-dontwarn javax.annotation.** 
-dontwarn javax.inject.** 
-dontwarn javax.xml.bind.** 
-dontwarn sun.misc.Unsafe 

# ********** END GUAVA ********** 

# ********** ADMOB ********** 

-keep,includedescriptorclasses public class com.google.android.gms.ads.** { 
    public *; 
} 

-keep,includedescriptorclasses public class com.google.ads.** { 
    public *; 
} 

# ********** END ADMOB ********** 

# ********** VUNGLE ********** 

-keep,includedescriptorclasses class com.vungle.** { public *; } 
-keep,includedescriptorclasses class javax.inject.* 
-keepattributes *Annotation* 
-keepattributes Signature 
-keep,includedescriptorclasses class dagger.* 

# ********** END VUNGLE ********** 


# ********** BESPOKE ************** 

-keep class com.google.android.gms.** { *; } 
-dontwarn com.google.android.gms.** 
-keep class android.webkit.WebSettings 
-dontwarn android.webkit.WebSettings 
-keep,includedescriptorclasses class json.** {*; } 
-keepnames class json.** {*; } 
-keep class com.scribble.socketshared.messaging.IScrambledMessageReceiver 
-dontwarn com.scribble.socketshared.messaging.IScrambledMessageReceiver 
-dontwarn org.codehaus.** 

-keep class com.facebook.ads.** { *; } 
-dontwarn com.flurry.ads.** 
-keep class com.flurry.android.** { *; } 
-dontwarn com.flurry.android.** 
-keep class com.inmobi.ads.** { *; } 
-dontwarn com.inmobi.ads.** 
-keep class com.inmobi.sdk.** { *; } 
-dontwarn com.inmobi.sdk.** 

-keep public @com.google.android.gms.common.util.DynamiteApi class * { *; } 

# ********** END BESPOKE **************

來源

2017-04-05 Will Calderwood

請發佈您的proguard文件？以及爲什麼不使用啓用「沉浸模式」的AndroidApplicationConfiguration的useImmersiveMode標誌。 – Aryan

@AbhishekAryan Proguard補充說。我也在使用沉浸式標誌。爲了清楚起見，我決定明確地設置它。既沒有工作。 –

移動佈局代碼爲onWindowFocusChanged解決了這個問題。我不能告訴你爲什麼，但它有效。有一些示例代碼here。

@Override 
public void onWindowFocusChanged(boolean hasFocus) { 
    super.onWindowFocusChanged(hasFocus); 
    if (hasFocus) { 
     getWindow().getDecorView().setSystemUiVisibility(
       View.SYSTEM_UI_FLAG_LAYOUT_STABLE 
         | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION 
         | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN 
         | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION 
         | View.SYSTEM_UI_FLAG_FULLSCREEN 
         | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); 
    } 
}

來源

2017-04-05 17:04:06

必須是因爲'@TargetApi'和'@RequiresApi'註釋通過反射來廣告某些東西。如果你沒有在proguard中添加「keep」，並且它看不到該代碼的任何路徑，它將刪除該方法。

因此，如果您添加以下的ProGuard：

-keep <the package where this code is in>

它應該工作。

來源

2017-04-05 17:44:31

當使用Proguard和縮小比例時不會隱藏在Android上的軟鍵

回答

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