Android开发适配安卓12

实现效果：实现方法：一个自定义view实现demo一、自定义相机Camera，无API版本限制（1）。实现接口 implements SurfaceHolder.Callbackprivate SurfaceView mView;private Camera mCamera;private int cameraId = 0;//前置1、后置0...

重写两个返回方法即可：@Overridepublic void onBackPressed() {if (webView.canGoBack()) {webView.goBack();webView.removeAllViews();} else {super.onBackPressed();}}@O...

1、实现效果，可点击或者滑动切换fragment点击滑动实现方法：1、创建三个fragment.kt2、创建fragmentAdapterclas...

依赖compile 'org.greenrobot:eventbus:3.0.0'构造函数方法类(用于传递参数)public class ChangeFragmentEvent {private int viewId;private String ass;public ChangeFragmentEvent(int id,String s...

1、创建entity类class InternentBarEntity {var bname: String? = nullvar barea: String? = nullvar badddata: String? = nullvar bimage: String? = nullvar bid: String? = null}2、创...

安装11g，过程中提示未找到文件 E:\app\xxj\product\11.2.0\dbhome_1\owb\external\oc4j_applications\applications\WFMLRSVCApp.ear解决办法：将win64_11gR2_database_2of2中的\win64_11gR2_database_2of2\database\stage\Components\...

bash: /usr/bin/locale: Permission deniedAdministrator@PC-20170531NDJV MINGW64 /f$ mkdir YuanxinClanmkdir: cannot create directory 'YuanxinClan': File existsAdministrator@PC-20170531NDJ

加载单个fragment效果头部标题多个fragment底部标题按钮多个fragment...

在父activity添加如下代码即可@Overridepublic boolean dispatchTouchEvent(MotionEvent ev) {if (ev.getAction() == MotionEvent.ACTION_DOWN) {View v = getCurrentFocus();if (isShouldHideKeyboar...