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获取表头header，请求数据

SearchView一个类似百度搜索框关键字搜索效果的实现https://blog.youkuaiyun.com/qq_42177292/article/details/81158423Room数据库详实使用指北（附Demo）https://blog.youkuaiyun.com/langlitaojin/article/details/88400659https://blog.youkuaiyun.com/chenrenxiang/article/details/84067783https://zhuanlan.zhihu.com

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#DDE2E3" tools:con

public class MyPagerAdapter extends PagerAdapter { private Context context; //图片的Id private List<Integer> datas; public MyPagerAdapter(Context context, List<Integer> datas) { this.context = context; this.datas =

//检查权限 public void checkPermission() { int targetSdkVersion = 0; String[] PermissionString={Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.CAMERA, Manifest.permission.RECORD_AUDIO,Manifest.permission.ACC

public class MainActivity extends AppCompatActivity {@BindView(R.id.tablayout)TabLayout tablayout;private Unbinder unbinder;private SyFragment syFragment = new SyFragment();private WdFragment wdFragment = new WdFragment();private QtFragment qtFragm

1、创建布局2、自定义view引用布局public class HeadView extends RelativeLayout { private EditText editText; public HeadView(Context context) { super(context, null); } public HeadView(Context context, AttributeSet attrs) { super(contex

radiogrouppublic class MainActivity extends AppCompatActivity { private ViewPager viewPager; private List<Fragment> list; private RadioGroup radioGroup; private FragMentA fragMentA; private FragMentB fragMentB; private Frag

tablayout+viewpageroverride fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) val titles = arrayListOf("放映","推荐") var list = mutableListOf<Fragment>

public class ImageUtils { //TODO 1， 单例 private static ImageUtils imageUtils = null; private ImageUtils(){} public static ImageUtils getImageUtils() { if(imageUtils == null){ imageUtils = new ImageUtils(); }

1、扫描二维码//打开默认的扫码页面 public void openQrCodeActivity(View view) { Intent intent = new Intent(MainActivity.this, CaptureActivity.class); startActivityForResult(intent,100); } //重新该方法接收扫码之后的结果 @Override protected void onAct

/1.在AndroidManifest.xml中application标签内添加如下/</meta-dataandroid:name="UMENG_CHANNEL"android:value="${UMENG_CHANNEL_VALUE}"/>/2.在module的build.gradle中添加渠道信息/productFlavors{wandoujia{}xiaomi{}yingyongbao {}//注意 360：gradle 中不能以数字开头_360{}}produ