对不起我的问题，但我是一个 android 初学者，我正在构建一个 android 应用程序，它可以获取用户的位置（经度和纬度）并返回 3 公里内的地方。为了做到这一点，我必须向谷歌发送请求并解析 json 对象，我按照教程进行操作，现在我卡住了！每次我运行应用程序时，应用程序都会崩溃（带有一个警告对话框，说应用程序已停止）。
这是我正在关注的教程的链接： http ://www.androidhive.info/2012/08/android-working-with-google-places-and-maps-tutorial/
这是日志猫：
12-02 14:06:53.201: I/dalvikvm(620): Wrote stack traces to '/data/anr/traces.txt'
12-02 14:06:53.410: D/gralloc_goldfish(620): Emulator without GPU emulation detected.
12-02 14:06:54.271: D/dalvikvm(620): GC_CONCURRENT freed 216K, 4% free 9260K/9607K, paused 5ms+3ms
12-02 14:06:55.661: D/Restaurents Status(620): null
12-02 14:06:55.661: D/AndroidRuntime(620): Shutting down VM
12-02 14:06:55.661: W/dalvikvm(620): threadid=1: thread exiting with uncaught exception (group=0x409c01f8)
12-02 14:06:55.671: E/AndroidRuntime(620): FATAL EXCEPTION: main
12-02 14:06:55.671: E/AndroidRuntime(620): java.lang.NullPointerException
12-02 14:06:55.671: E/AndroidRuntime(620): at com.ah906632.kalabizo.MainActivity$FindRestaurents$1.run(MainActivity.java:120)
12-02 14:06:55.671: E/AndroidRuntime(620): at android.app.Activity.runOnUiThread(Activity.java:4170)
12-02 14:06:55.671: E/AndroidRuntime(620): at com.ah906632.kalabizo.MainActivity$FindRestaurents.onPostExecute(MainActivity.java:117)
12-02 14:06:55.671: E/AndroidRuntime(620): at com.ah906632.kalabizo.MainActivity$FindRestaurents.onPostExecute(MainActivity.java:1)
12-02 14:06:55.671: E/AndroidRuntime(620): at android.os.AsyncTask.finish(AsyncTask.java:602)
12-02 14:06:55.671: E/AndroidRuntime(620): at android.os.AsyncTask.access$600(AsyncTask.java:156)
12-02 14:06:55.671: E/AndroidRuntime(620): at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:615)
12-02 14:06:55.671: E/AndroidRuntime(620): at android.os.Handler.dispatchMessage(Handler.java:99)
12-02 14:06:55.671: E/AndroidRuntime(620): at android.os.Looper.loop(Looper.java:137)
12-02 14:06:55.671: E/AndroidRuntime(620): at android.app.ActivityThread.main(ActivityThread.java:4424)
12-02 14:06:55.671: E/AndroidRuntime(620): at java.lang.reflect.Method.invokeNative(Native Method)
12-02 14:06:55.671: E/AndroidRuntime(620): at java.lang.reflect.Method.invoke(Method.java:511)
12-02 14:06:55.671: E/AndroidRuntime(620): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
12-02 14:06:55.671: E/AndroidRuntime(620): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
12-02 14:06:55.671: E/AndroidRuntime(620): at dalvik.system.NativeStart.main(Native Method)
12-02 14:06:56.231: I/dalvikvm(620): threadid=3: reacting to signal 3
12-02 14:06:56.241: I/dalvikvm(620): Wrote stack traces to '/data/anr/traces.txt'
谢谢