java.lang.NullPointerException (Application 没找到)

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.big.fishcash.cash.base.BaseApplication.pushTask(android.support.v7.app.AppCompatActivity)' on a null object reference
                                                     at com.big.fishcash.cash.base.BaseActivity.onCreate(BaseActivity.java:42)
                                                     at android.app.Activity.performCreate(Activity.java:6127)
                                                     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1125)
                                                     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2651)
                                                     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2768) 
                                                     at android.app.ActivityThread.access$900(ActivityThread.java:187) 
                                                     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1584) 
                                                     at android.os.Handler.dispatchMessage(Handler.java:111) 
                                                     at android.os.Looper.loop(Looper.java:194) 
                                                     at android.app.ActivityThread.main(ActivityThread.java:5898) 
                                                     at java.lang.reflect.Method.invoke(Native Method) 
                                                     at java.lang.reflect.Method.invoke(Method.java:372) 
                                                     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1020) 
                                                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:815) 

纠结了半天 Application 返回null 

解决办法：AndroidManifest 文件中   

application 

标签中加入 

android:name=".base.BaseApplication"