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private long exitTime = 0;@Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) { if(keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == 阅读全文
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*图片初始化public class FrescoClass extends Application{ @Override public void onCreate() { super.onCreate(); Fresco.initialize(this); }}*主页面 public class 阅读全文
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public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState 阅读全文
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public class RetrofitHelper { private static OkHttpClient okHttpClient; private static ShopApi shopApi; static { initOkHttpClient(); } /** * 初始化 OkHtt 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> *{ text-align: center; } table{ border-collapse: collapse; m 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <script src="angular-1.5.5/angular.js"></script> <style> .a1{ width: 阅读全文