Android

I found a solution which work for me, I check the source code of class WebView in 2.3 API and find how to do it with a 2.1 API. Maybe it can work with older API:public class CustomWebView extends WebView {    private float oldX; // indicate if

1. implement a custom ViewPager Instance like this:import android.content.Context; <br>import android.support.v4.view.ViewPager;  <br>import android.util.AttributeSet; <br>import android.util.Log; <br>import

文章目錄 1. Create a spelling checker service class2. Implement the required methods3. Register the spelling checker service in AndroidManifest.xml4. Create a metadata XML resource fileBonus points: Add batch processing of multiple

第一個方法簡單點，不過需要在Android系統源碼的環境下用make來編譯：　　1. 在應用程式的AndroidManifest.xml中的manifest節點中加入　　android:sharedUserId="android.uid.system"這個屬性。　　2. 修改Android.mk檔案，加入LOCAL_CERTIFICATE := platform這一行　　3.

android讀寫串口(friendlyarm)import com.friendlyarm.AndroidSDK.HardwareControler;import android.app.Activity;import android.os.Bundle;import android.os.Handler;import android.os.Looper;import android.os.Message;public class MapGuider_Activity extends

如何修改apk檔案[apk檔案修改、表徵圖、美化、去廣告]完全教程如何修改apk檔案？比如說：對英文版進行漢化、美化、修改功能、表徵圖、修改文字描述、去掉廣告等等。本文介紹APK的基本知識、結構、APK檔案的解包、打包及簽名，以及對APK檔案的常規修改。其實很簡單，稍嫌麻煩的請繞道。一、首先搭建jdk環境。點擊這裡下載下載完後，點擊安裝。然後設定運行環境參數：用滑鼠右擊“我的電腦”->屬性->進階->環境變數系統變數->建立->變數名：JAVA_HOME

個人覺得回調就像多態一樣，比如Boss叫員工去吃飯，但每個員工可能吃不同的食物。只不過，回調是對介面而言。簡單來說就是，A對象調用了自己的方法a，方法a接收的參數是B介面的執行個體b，而在方法a中將執行介面B中的方法c。這樣解釋可能有點繞不過來，下面我們來看一個例子。比如宿舍的某個同學設定了一個鬧鈴，鬧鈴響時全宿舍的人都能聽到，但是張三比較勤奮，聽到鈴聲後起床了，李四比較懶，聽到鈴聲後還要睡會。我們可以把鬧鈴發出的鈴聲看作是介面，張三和李四都實現了這個“介面”，鬧鈴到一定時間後就要“響鈴”，響鈴

RevisionsThe sections below provide notes about successive releases of the ADT Plugin, as denoted by revision number.For a summary of all known issues in ADT, see http://tools.android.com/knownissues.ADT 17.0.0(March 2012)Dependencies:Java 1.6 or

03 March 2009Android Layout Tricks #3: Optimize by mergingIn the previous installment of Android Layout Tricks, I showed you how to use the <include /> tag in XML layout to reuse and share your layout code. I also mentioned the<merge />

1.Android RelativeLayout 屬性 // 相對於給定ID控制項 android:layout_above 將該控制項的底部置於給定ID的控制項之上; android:layout_below 將該控制項的底部置於給定ID的控制項之下; android:layout_toLeftOf    將該控制項的右邊緣與給定ID的控制項左邊緣對齊; android:layout_toRightOf

05 March 2009http://android-developers.blogspot.com/2009/03/window-backgrounds-ui-speed.htmlWindow Backgrounds & UI SpeedSome Android applications require to squeeze every bit of performance out of the UI toolkit and there are many ways to do so.

1 Handler handler = new Handler(); 2 handler.postDelayed(new Runnable() { 3 public void run() {4 // TODO Auto-generated method stub5

文章目錄 New in ICS: KeyChain Accessing System Key Store Credentials Unifying Key Store Access in ICS                                    Posted by Tim Bray on 13 March 2012at9:15 AM[This post is a group effort by Tony Chan,

android的無標題dialog以及dialog樣式的表單普通方法彈出alert後，取消標題還會有小部分高度，這個倒會好些：先定義一個樣式 res/values/styles.xml<?xml version="1.0" encoding="utf-8"?><resources>  <style name="FullHeightDialog"    parent="android:style/Theme.Dialog">    <item name="

The Android NDK is a companion tool to the Android SDK that lets you buildperformance-critical portions of your apps in native code. It provides headers andlibraries that allow you to build activities, handle user input, use hardware sensors,access

Linking to Your ProductsFor a link that includes the Google Play brand icon, check out the Badges page. Google Play provides several link formats that let you bring users to yourproducts in the way you want, from Android apps, web pages, ads,

文章目錄 GridLayout Getting StartedSizes, Margins and Alignment/Gravity FlexibilityEmulating Features from other LayoutsThe Phases of the Layout OperationConclusion 10 November 2011http://android-developers.blogspot.com/2011/1

來自anddevimport android.app.Activity; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.hardware.Camera; import android.os.Bundle; import

關於android項目引入android-support-v4.jar混淆報錯的解決辦法在proguard.cfg中加入以下代碼：-libraryjars   /android-support-v4.jar-dontwarn **CompatHoneycomb-dontwarn **CompatHoneycombMR2-dontwarn **CompatCreatorHoneycombMR2-keep class android.support.v4.** { *; }-keep public

http://xmagicj.diandian.com/post/2011-11-22/7022215通過Android命令自動編譯出build.xml檔案用途: 做自動整合編譯環境.環境搭配我就不說了(SDK/環境變數等).進入cmd介面.進入項目目錄.輸入: android.bat list target  來查詢我們現有的版本list有哪些.記住這個ID號碼,下的代碼面會用到.輸入: android update project -n ButtonDemo -t 1 -p