mhl adapter for android

Booleanareallitemsenabled () {Throw NewRuntimeException ("stub!"); } Public BooleanIsEnabled (intposition) { Throw NewRuntimeException ("stub!"); } PublicView Getdropdownview (intposition, View Convertview, ViewGroup parent) { Throw NewRuntimeException ("stub!"); } Public intGetitemviewtype (intposition) { Throw NewRuntimeException ("stub!"); } Public intGetviewtypecount () {Throw NewRuntimeException ("stub!"); } Public BooleanIsEmpty () {Throw NewRuntim

android-Optimizing UI Performance (2)-Improving the efficiency of adapteran increase in the efficiency of adapterAdapter is the bridge between the data and the ListView, and whenever you need to display the item, the GetView () will be called.If we have a large amount of data and adapter is inefficient (each time we call inflate to create a new view,inflate (an IO operation), the interface will beFor exampl

Android Multi-screen adapter for DP and PX relationshipsPeople have always asked me, Android multi-screen adaptation in the end is how to do, I do not know how to explain clearly, perhaps I am also quite confused.The following conclusions are mainly based on the analysis of the official documents Https://developer.android.com/guide/practices/screens_support.htmlA

the data is dynamic Note: Another question: at first, I New arrayadapter Here, the constructor is passed in an array, so we can find a problem: When I click the button, the array data is added, but the data in the list is not changed, Why is this? Is it a set of input and The set in arrayadapter is not the same reference. The ADD and insert methods are available in the arrayadapter. Java. Lang. unsupportedoperationexception: Android hasn'

Android:shadowradius= "2" One Android:id= "@+id/textview" />1 XML version= "1.0" encoding= "Utf-8"?>2 Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"3 Xmlns:tools= "Http://schemas.android.com/tools"4 Android:layout_width= "Match_parent"5 Android:layout_height= "Match_parent"6 Android:paddingbottom= "@dimen/activity_vertical_margin"7 Android:paddingleft= "@dimen/activity_horizontal_margin"8 Android:paddingright= "@dimen/activ

ImportAndroid.content.Context;ImportAndroid.widget.BaseAdapter;Importjava.util.List;/*** Base class Adapter * Created by Administrator on 2015/10/22 0022.*/ Public Abstract classMybaseadapterextendsBaseadapter {protectedContext Mcontext; PublicListdatas; PublicMybaseadapter (baseactivity context,listlist) { Super(); Mcontext=context; Datas=list; } PublicMybaseadapter (baseactivity context) {Super(); Mcontext=context; } @Override Public in

Solution SolutionsWritten values-port-hdpi-1824x1200Problems found in recent projectsI write resolution VALUES-1920X1200, but flatbed Huawei X1 not go this resolution, write 1800x1000 will go in, but still wrong ah, this will affect the adaptation of other devicesLater found that you have to remove the virtual key portion of the resolution of my printing screen is//------1824 Huawei Glory X1 7.0Finally, I put the adaptation of value inside the values-port-hdpi-1824x1200, which can be adapted. In

/. Android-how-to-adjust-layout-in-full-screen-mode-when-softkeyboard-is-visibleThe solution with the highest scoreIt can be solved perfectly on Samsung, but the bottom menu bar and keyboard on the 5.0 system and Meizu phone have a height of about 50px, not perfect fit ... NimaContinue Google to find this http://stackoverflow.com/questions/21092888/ Windowsoftinputmode-adjustresize-not-working-with-translucent-action-navbar customizes a layout to inhe

navBarOverride = (String) m.invoke(systemPropertiesClass, "qemu.hw.mainkeys"); if ("1".equals(navBarOverride)) { hasNavigationBar = false; } else if ("0".equals(navBarOverride)) { hasNavigationBar = true; } } catch (Exception e) { } return hasNavigationBar;}}Invocation method: Called after the Setcontentview () method in the extracted activity base class //适配华为部分机型虚拟键 if (NavigationBarUtil.getInstance().hasNavigationBar(this)) { N

Screen Size:屏幕对角线的长度单位英寸，1英寸=2.54厘米Resolution在横纵线上的像素点数单位是px，1px=1个像素点一般以纵向像素*横向像素，如1920*1080Screen pixel density指每英寸上的像素点数(屏幕对角线上)单位dpi，与屏幕尺寸和屏幕像素有关1920*1080 dpi=445计算方式：sqrt{1920^2+1080^2}/尺寸(4.95对角线)Px,dp,dip,spdp dip是密度无关像素以160dpi为基准，1dip=1px在320*480的机子上：160dpi 1dp=1px在800*480的机子上：240dpi 1dp=1.5pxsp 12,14,18,22 设置字体大小的时候不要设置奇数或小数，因为有可能会造成精度的丢失。mdpi,hdpi,xdpi,xxdpi存放相同图片的不同像素状态， 系统会更具设备的具体像素来选择不同的图片。同理不同像素下values中定义dimen的不同值。m 120~160(dpi)h 160~240xh 240~320xxh 320~480xxxh 480~6

Controls related to Adapter in android ---- ViewFlipper and adapterviewflipper ViewFlipper (flip view) 1. ViewFlipper is a multi-Page Management Control. Unlike ViewPager, ViewPager has one page and one page, while ViewFlipper has one layer. Image carousel or when the App's boot page is used 2. Add View to ViewFlipper (1) Method 1: static Import (2) Method 2: dynamic import Iii. Common Methods SetI

@Override2 protected voidOnactivityresult (intRequestcode,intResultCode, Intent data) {3 if(ResultCode = = 10) {4Et_phone.settext (Data.getstringextra ("Phone"));5}Else if(ResultCode = = 20) {6Et_content.settext (Data.getstringextra ("content"));7 }8}Iv. Sending SMS1 Public voidbtnsendmsg (View v) {2String content =Et_content.gettext (). toString (). Trim ();3String phone =Et_phone.gettext (). toString (). Trim ();4 5Smsmanager sender =Smsmanager.getdefault ();6Arraylistsender.divideme