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我下面這個教程：http://www.androidhive.info/2012/05/how-to-connect-android-with-php-mysql/訪問MySQL數據庫和PHP和Android
我的代碼是從本教程CTRLÇCTRL訴
變化：URL中的代碼更改爲："http://10.0.2.2/android_connect/name_php.php"
問題（試圖從Android的看到產品後）：
07-17 17:39:13.168: E/JSON Parser(898): Error parsing data org.json.JSONException: Value <br of type java.lang.String cannot be converted to JSONObject
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.<init>(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)
我認爲第一行說明全部 –