liwateryi的专栏

android 笔记     1.android UI布局方式:         LinearLayout (线性布局)、AbsoluteLayout(绝对布局)、RelativeLayout(相对布局)、TableLayout(表格布局)、FrameLayout(帧布局)     2.android 拨号器:         2.1 manifest 配置拨号器权限:   

import android.app.Activity; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Bundle; import android.view.View; import android.widget.Button; import andro

import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toa

Contextprovider  跨app数据共享(以sqlite db为例) sqlite db 所在app程序: //在清单文件中配置好InfoProvider的唯一标识 // // // import android.content.ContentProvider; import android.content.ContentUris; import and

import java.io.File; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLEncoder; import java.util.ArrayList; import java.util.HashMap; import java.

import java.util.ArrayList; import android.content.ContentProviderOperation; import android.content.ContentResolver; import android.content.ContentUris; import android.content.ContentValues; impo

public class PreferencesService { private Context context; public PreferencesService(Context context) { this.context = context; } /** * 保存参数 * @param name 姓名 * @param age 年龄 */ public void

xml 内容: tom 18 jack 19 /*Person xml解析类*/ public class PersonService { /** * 获取数据 * @param xml * @return * @throws Exception */ public static List getPersons(InputS

public class FileService { private Context context; public FileService(Context context) { this.context=context; } /*覆盖模式写入文件(MODE_PRIVATE) *fileName:文件名称(不包含路径) *默认保存到/data/data/当前应用包名下/f

1.定义DBHelper类 管理数据库创建和更新 import android.content.Context; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteDatabase.CursorFactory; import android.database.sqlit

android 拨号功能： String phoneNumber="5554"; Intent intent = new Intent(); intent.setAction("android.intent.action.CALL"); intent.setData(Uri.parse("tel:"+phoneNumber)); startActivity(intent);

android:name="android.test.InstrumentationTestRunner"         android:label="Testing"         android:targetPackage="当前activity应用包名" />

/*Activity 部分*/ public class SmsPhoneActivity extends Activity { protected static final String TAG = "SmsPhoneActivity"; private TextView txtPhoneNumber; private Button btnSms; private Bu

var browser={     versions:function(){             var u = navigator.userAgent, app = navigator.appVersion;             return {         //移动终端浏览器版本信息                  trident: u.indexOf('Trident'

public List>getNesCategory(int starttid,int count)throws Exception { String result="{"ret":0,"msg":"ok","data":{"totalnum":3,"info":[{"title":"时尚","cid":17},{"title":"正能量","cid":16},{"title"