php和mysql和android,访问MySQL数据库和PHP和Android

我的代码是从本教程CTRLÇCTRL诉

变化：URL中的代码更改为："http://10.0.2.2/android_connect/name_php.php"

问题(试图从Android的看到产品后)：

07-17 17:39:13.168: E/JSON Parser(898): Error parsing data org.json.JSONException: Value

07-17 17:39:13.168: W/dalvikvm(898): threadid=9: thread exiting with uncaught exception (group=0x40015560)

07-17 17:39:13.178: E/AndroidRuntime(898): FATAL EXCEPTION: AsyncTask #1

07-17 17:39:13.178: E/AndroidRuntime(898): java.lang.RuntimeException: An error occured while executing doInBackground()

07-17 17:39:13.178: E/AndroidRuntime(898): at android.os.AsyncTask$3.done(AsyncTask.java:200)

07-17 17:39:13.178: E/AndroidRuntime(898): at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:274)

07-17 17:39:13.178: E/AndroidRuntime(898): at java.util.concurrent.FutureTask.setException(FutureTask.java:125)

07-17 17:39:13.178: E/AndroidRuntime(898): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:308)

07-17 17:39:13.178: E/AndroidRuntime(898): at java.util.concurrent.FutureTask.run(FutureTask.java:138)

07-17 17:39:13.178: E/AndroidRuntime(898): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)

07-17 17:39:13.178: E/AndroidRuntime(898): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)

07-17 17:39:13.178: E/AndroidRuntime(898): at java.lang.Thread.run(Thread.java:1019)

07-17 17:39:13.178: E/AndroidRuntime(898): Caused by: java.lang.NullPointerException

07-17 17:39:13.178: E/AndroidRuntime(898): at com.example.androidhive.AllProductsActivity$LoadAllProducts.doInBackground(AllProductsActivity.java:130)

07-17 17:39:13.178: E/AndroidRuntime(898): at com.example.androidhive.AllProductsActivity$LoadAllProducts.doInBackground(AllProductsActivity.java:1)

07-17 17:39:13.178: E/AndroidRuntime(898): at android.os.AsyncTask$2.call(AsyncTask.java:185)

07-17 17:39:13.178: E/AndroidRuntime(898): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)

07-17 17:39:13.178: E/AndroidRuntime(898): ... 4 more

07-17 17:39:13.908: E/WindowManager(898): Activity com.example.androidhive.AllProductsActivity has leaked window [email protected] that was originally added here

07-17 17:39:13.908: E/WindowManager(898): android.view.WindowLeaked: Activity com.example.androidhive.AllProductsActivity has leaked window [email protected] that was originally added here

07-17 17:39:13.908: E/WindowManager(898): at android.view.ViewRoot.(ViewRoot.java:258)

07-17 17:39:13.908: E/WindowManager(898): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148)

07-17 17:39:13.908: E/WindowManager(898): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)

07-17 17:39:13.908: E/WindowManager(898): at android.view.Window$LocalWindowManager.addView(Window.java:424)

07-17 17:39:13.908: E/WindowManager(898): at android.app.Dialog.show(Dialog.java:241)

07-17 17:39:13.908: E/WindowManager(898): at com.example.androidhive.AllProductsActivity$LoadAllProducts.onPreExecute(AllProductsActivity.java:117)

07-17 17:39:13.908: E/WindowManager(898): at android.os.AsyncTask.execute(AsyncTask.java:391)

07-17 17:39:13.908: E/WindowManager(898): at com.example.androidhive.AllProductsActivity.onCreate(AllProductsActivity.java:57)

07-17 17:39:13.908: E/WindowManager(898): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)

07-17 17:39:13.908: E/WindowManager(898): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)

07-17 17:39:13.908: E/WindowManager(898): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)

07-17 17:39:13.908: E/WindowManager(898): at android.app.ActivityThread.access$1500(ActivityThread.java:117)

07-17 17:39:13.908: E/WindowManager(898): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)

07-17 17:39:13.908: E/WindowManager(898): at android.os.Handler.dispatchMessage(Handler.java:99)

07-17 17:39:13.908: E/WindowManager(898): at android.os.Looper.loop(Looper.java:123)

07-17 17:39:13.908: E/WindowManager(898): at android.app.ActivityThread.main(ActivityThread.java:3683)

07-17 17:39:13.908: E/WindowManager(898): at java.lang.reflect.Method.invokeNative(Native Method)

07-17 17:39:13.908: E/WindowManager(898): at java.lang.reflect.Method.invoke(Method.java:507)

07-17 17:39:13.908: E/WindowManager(898): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)

07-17 17:39:13.908: E/WindowManager(898): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)

07-17 17:39:13.908: E/WindowManager(898): at dalvik.system.NativeStart.main(Native Method)

+1

我认为第一行说明全部 –