常用的工具方法

来源：互联网发布：淘宝消费群体分析编辑：程序博客网时间：2024/05/16 15:07
在开发中经常用到的一些工具方法，慢慢积累，不用到网络上找大半天了~~~
package com.caojing.about;import java.text.SimpleDateFormat;import java.util.Date;import java.util.List;import android.app.Activity;import android.content.ComponentName;import android.content.Context;import android.content.Intent;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.content.pm.PackageManager.NameNotFoundException;import android.graphics.Rect;import android.location.LocationManager;import android.net.ConnectivityManager;import android.net.NetworkInfo;import android.net.Uri;import android.os.Build;import android.telephony.TelephonyManager;import android.view.View;import android.view.Window;import android.view.WindowManager;import android.view.inputmethod.InputMethodManager;public class Utils {/** * 取得当前时间，并且格式化成yyyy-MM-dd HH:mm:ss * @return String */public static String getFormatTime(){return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());}/** * 取得Manifest.xml配置文件中的android:versionCode * @param context上下文 * @return int版本号 * @throws NameNotFoundException 找不到versionCode异常 */public static int getVersionCode(Context context) throws NameNotFoundException{PackageManager pm = context.getPackageManager();PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);return pi.versionCode;}/** * 取得Manifest.xml配置文件中的android:versionName * @param context上下文 * @return String 版本名 * @throws NameNotFoundException找不到versionName异常 */public static String getVersionName(Context context) throws NameNotFoundException{PackageManager pm = context.getPackageManager();PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);return pi.versionName;}/** * 取得状态栏的高度 * @param Activity当前Activity * @return int状态栏高度 */public static int getStatusBarHeight(Activity activity){Rect rect = new Rect();Window win = activity.getWindow();win.getDecorView().getWindowVisibleDisplayFrame(rect);return rect.top;}/** * 设置Activity无标题全屏显示 * @param activity当前Activity */public static void setFullScreen(Activity activity){activity.requestWindowFeature(Window.FEATURE_NO_TITLE);  //设置无标题activity.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,               WindowManager.LayoutParams.FLAG_FULLSCREEN); //设置全屏}/** * 根据响应的组建View和Activity隐藏软键盘 * @param view 响应的View * @param activity当前Activity */public static void hideInputMethod(View view,Activity activity){InputMethodManager imm = (InputMethodManager)activity.getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(view.getWindowToken(), 0);}/** * 根据坐标值x,y打开默认的谷歌地图 * @param context上下文 * @param xX坐标 * @param yY坐标 */public static void openMap(Context context, float x, float y){Uri uri = Uri.parse("geo:"+x+","+y);//Uri uri = Uri.parse("geo:38.899533,-77.036476?q=street+address");//打开地图，并显示指定地址Intent it = new Intent(Intent.ACTION_VIEW,uri);context.startActivity(it);}/** * 调用拨打电话功能，直接拨打 * @param context上下文 * @param number号码 */public static void doCall(Context context, String number){Uri uri = Uri.parse("tel:" + number);Intent it = new Intent(Intent.ACTION_CALL, uri);context.startActivity(it);}/** * 调用发送短信功能 * @param context上下文 * @param number号码 * @param content内容 */public static void openSMS(Context context, String number, String content){Uri uri = Uri.parse("smsto:" + number);Intent it = new Intent(Intent.ACTION_SENDTO, uri);it.putExtra("sms_body", content);context.startActivity(it);}/** * 调用发送邮件功能 * @param context上下文 * @param sendTo收件人 * @param ccTo抄送人 * @param subject标题 * @param content内容 */public static void openEmail(Context context, String[] sendTo,String[] ccTo,String subject,String content){Intent it=new Intent(Intent.ACTION_SEND);it.putExtra(Intent.EXTRA_EMAIL, sendTo);it.putExtra(Intent.EXTRA_CC, ccTo);it.putExtra(Intent.EXTRA_TEXT, content);it.putExtra(Intent.EXTRA_SUBJECT, subject);it.setType("message/rfc822");context.startActivity(Intent.createChooser(it, "Choose Email Client"));}/** * 调用其他程序，注意，该程序必须存在 * @param context上下文 * @param packageName所要打开的程序包名 * @param packageAndMainActivity所要打开的程序包名+主运行类名 */public static void openApplicationByPackageName(Context context, String packageName, String packageAndMainActivity){Intent intent = new Intent();  intent.setComponent(new ComponentName(packageName, packageAndMainActivity));  intent.setAction(Intent.ACTION_VIEW);  context.startActivity(intent); } //根据IMSI号码识别移动供应商    public static String getProvidersName(Context context) {        String ProvidersName = null;        TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);        String IMSI = tm.getDeviceId();//移动设备国际辨识码        // IMSI号前面3位460是国家，紧接着后面2位00 02是中国移动，01是中国联通，03是中国电信。        if (IMSI.startsWith("46000") || IMSI.startsWith("46002")) {            ProvidersName = "中国移动";        } else if (IMSI.startsWith("46001")) {            ProvidersName = "中国联通";        } else if (IMSI.startsWith("46003")) {            ProvidersName = "中国电信";        }        return ProvidersName;    }        //获取电话号码    public static String getPhoneNumber(Context context){        TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);        return tm.getLine1Number();    }        //获取手机型号    public static String getPhoneModel(){        return android.os.Build.MODEL;    }        //获取系统版本    public static String getPhoneVersion(){        return Build.VERSION.RELEASE;    }        //判断是否为null或者空    public static Boolean isEmptyOrNull(String str){        if(str != null) {            if (!str.equals("")){                return false;            }        }        return true;    }    /**     * 检测网络是否连接     *     * @return     */    public boolean isNetConnected(Context context) {        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);        if (cm != null) {            NetworkInfo[] infos = cm.getAllNetworkInfo();            if (infos != null) {                for (NetworkInfo ni : infos) {                    if (ni.isConnected()) {                        return true;                    }                }            }        }        return false;    }    /**     * 检测wifi是否连接     *     * @return     */    public boolean isWifiConnected(Context context) {        ConnectivityManager cm = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);        if (cm != null) {            NetworkInfo networkInfo = cm.getActiveNetworkInfo();            if (networkInfo != null                    && networkInfo.getType() == ConnectivityManager.TYPE_WIFI) {                return true;            }        }        return false;    }    /**     * 检测3G是否连接     *     * @return     */    public boolean is3gConnected(Context context) {        ConnectivityManager cm = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);        if (cm != null) {            NetworkInfo networkInfo = cm.getActiveNetworkInfo();            if (networkInfo != null                    && networkInfo.getType() == ConnectivityManager.TYPE_MOBILE) {                return true;            }        }        return false;    }    /**     * 检测GPS是否打开     *     * @return     */    public boolean isGpsEnabled(Context context) {        LocationManager lm = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);        List<String> accessibleProviders = lm.getProviders(true);        for (String name : accessibleProviders) {            if ("gps".equals(name)) {                return true;            }        }        return false;    }}
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