CODEWITHSUNDEEP
androidandroid-studioproguardandengine
Aman Shekhar
Aman Shekhar

Reputation: 2780

Error while making signed apk after enabling the Proguard in Android Studio

Error while making signed apk after enabling the Proguard in Android Studio.

Warning:org.andengine.engine.camera.hud.controls.AnalogOnScreenControl: can't find referenced method 'float cos(float)' in library class android.util.FloatMath Warning:org.andengine.engine.camera.hud.controls.AnalogOnScreenControl: can't find referenced method 'float sin(float)' in library class android.util.FloatMath Warning:org.andengine.entity.modifier.PathModifier$Path: can't find referenced method 'float sqrt(float)' in library class android.util.FloatMath Warning:org.andengine.entity.particle.ParticleSystem: can't find referenced method 'float floor(float)' in library class android.util.FloatMath Warning:org.andengine.entity.particle.emitter.CircleOutlineParticleEmitter: can't find referenced method 'float cos(float)' in library class android.util.FloatMath Warning:org.andengine.entity.particle.emitter.CircleOutlineParticleEmitter: can't find referenced method 'float sin(float)' in library class android.util.FloatMath Warning:org.andengine.entity.particle.emitter.CircleParticleEmitter: can't find referenced method 'float cos(float)' in library class android.util.FloatMath Warning:org.andengine.entity.particle.emitter.CircleParticleEmitter: can't find referenced method 'float sin(float)' in library class android.util.FloatMath Warning:org.andengine.opengl.font.StrokeFont: can't find referenced method 'float floor(float)' in library class android.util.FloatMath Warning:org.andengine.util.adt.transformation.Transformation: can't find referenced method 'float sin(float)' in library class android.util.FloatMath Warning:org.andengine.util.adt.transformation.Transformation: can't find referenced method 'float cos(float)' in library class android.util.FloatMath Warning:org.andengine.util.algorithm.path.astar.EuclideanHeuristic: can't find referenced method 'float sqrt(float)' in library class android.util.FloatMath Warning:org.andengine.util.math.MathUtils: can't find referenced method 'float ceil(float)' in library class android.util.FloatMath Warning:org.andengine.util.math.MathUtils: can't find referenced method 'float sin(float)' in library class android.util.FloatMath Warning:org.andengine.util.math.MathUtils: can't find referenced method 'float cos(float)' in library class android.util.FloatMath Warning:org.andengine.util.math.MathUtils: can't find referenced method 'float sqrt(float)' in library class android.util.FloatMath Warning:org.andengine.util.modifier.ease.EaseCircularIn: can't find referenced method 'float sqrt(float)' in library class android.util.FloatMath Warning:org.andengine.util.modifier.ease.EaseCircularOut: can't find referenced method 'float sqrt(float)' in library class android.util.FloatMath Warning:org.andengine.util.modifier.ease.EaseElasticIn: can't find referenced method 'float sin(float)' in library class android.util.FloatMath Warning:org.andengine.util.modifier.ease.EaseElasticOut: can't find referenced method 'float sin(float)' in library class android.util.FloatMath Warning:org.andengine.util.modifier.ease.EaseSineIn: can't find referenced method 'float cos(float)' in library class android.util.FloatMath Warning:org.andengine.util.modifier.ease.EaseSineInOut: can't find referenced method 'float cos(float)' in library class android.util.FloatMath Warning:org.andengine.util.modifier.ease.EaseSineOut: can't find referenced method 'float sin(float)' in library class android.util.FloatMath``

Upvotes: 1

Views: 1942

Answers (1)

dev.bmax
dev.bmax

Reputation: 11151

Android docs on FloatMath:

This class was deprecated in API level 22.

Use Math instead.

It seems that one of your dependencies was built for an older Android SDK than your target SDK level.

Try adding: -keep public class android.util.FloatMath to your proguard rules.

Upvotes: 8

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