ActivityManager: java.lang.UnsatisfiedLinkError: No implementation found for java.lang.String android.os.SystemProperties.native_get(java.lang.String,java.lang.String) (tried Java_android_os_SystemProperties_native_1get and Java_android_os_SystemProperties_native_1get__Ljava_lang_String_2Ljava_lang_String_2)
ActivityManager: at android.os.SystemProperties.native_get(Native Method)
ActivityManager: at android.os.SystemProperties.get(SystemProperties.java:64)
ActivityManager: at android.os.Environment.<clinit>(Environment.java:354)
ActivityManager: at android.os.Environment.getLegacyExternalStorageDirectory(Environment.java:488)
ActivityManager: at android.ddm.DdmHandleHello.handleHELO(DdmHandleHello.java:164)
ActivityManager: at android.ddm.DdmHandleHello.handleChunk(DdmHandleHello.java:91)
ActivityManager: at org.apache.harmony.dalvik.ddmc.DdmServer.dispatch(DdmServer.java:171)
ActivityManager: java.lang.UnsatisfiedLinkError: android.os.Debug
ActivityManager: at android.ddm.DdmHandleHello.handleFEAT(DdmHandleHello.java:176)
ActivityManager: at android.ddm.DdmHandleHello.handleChunk(DdmHandleHello.java:93)
ActivityManager: at org.apache.harmony.dalvik.ddmc.DdmServer.dispatch(DdmServer.java:171)
ActivityManager: java.lang.UnsatisfiedLinkError: android.os.Debug
ActivityManager: at android.ddm.DdmHandleProfiling.handleMPRQ(DdmHandleProfiling.java:187)
ActivityManager: at android.ddm.DdmHandleProfiling.handleChunk(DdmHandleProfiling.java:88)

ActivityManager: at org.apache.harmony.dalvik.ddmc.DdmServer.dispatch(DdmServer.java:171)

出现这种停止运行的情况，网上没有看到好的解决办法，我的经历是依赖包有问题，v4和v7，重新导入就解决了

原文链接：https://www.f2er.com/javaschema/284127.html