setContentView(R.layout.activity_main)下面加上如下代码
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if
(android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy =
new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
} |
原文：http://blog.csdn.net/u014600432/article/details/41680819