Android屏幕适配工具

这里需要用到一个jar包，下载拿到这个jar包后直接双击就可以生成市场大部分主流屏幕尺寸了。然后只要把生成好的xml尺寸文件拷贝到相应的value文件中即可。很方便，以后再也不用担心适配繁琐的问题了。

这里提供下载地址：https://pan.baidu.com/s/1geRpCcj

相关工具类：

 package com.investmenthelp;

 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.ActivityManager;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 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.ResolveInfo;
 import android.content.res.Resources;
 import android.database.Cursor;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import android.net.Uri;
 import android.os.Environment;
 import android.os.StatFs;
 import android.os.Vibrator;
 import android.provider.MediaStore;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
 import android.util.DisplayMetrics;
 import android.view.View;
 import android.view.ViewTreeObserver;
 import android.view.Window;
 import android.view.inputmethod.InputMethodManager;

 import java.io.File;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
 import java.net.SocketException;
 import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.List;
 import java.util.Map;

 /**
  * Created by 火龙裸先生 on 2017/6/7 0007.
  * Desction:设备相关工具类
  */

 public class DeviceUtils {
     /**
      * Unknown network class
      */
     public static final int NETWORK_CLASS_UNKNOWN = 0;

     /**
      * wifi net work
      */
     public static final int NETWORK_WIFI = 1;

     /**
      * "2G" networks
      */
     public static final int NETWORK_CLASS_2_G = 2;

     /**
      * "3G" networks
      */
     public static final int NETWORK_CLASS_3_G = 3;

     /**
      * "4G" networks
      */
     public static final int NETWORK_CLASS_4_G = 4;

     /**
      * 判断SDCard是否可用
      */
     public static boolean existSDCard() {
         if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
             return true;
         } else {
             return false;
         }
     }

     /**
      * 获取本机IP地址
      *
      * @return
      */
     public static String getLocalIPAddress() {

         try {
             for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
                 NetworkInterface intf = en.nextElement();
                 for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
                     InetAddress inetAddress = enumIpAddr.nextElement();
                     if (!inetAddress.isLoopbackAddress()) {
                         return inetAddress.getHostAddress().toString();
                     }
                 }
             }
         } catch (SocketException ex) {
             return "0.0.0.0";
         }
         return "0.0.0.0";
     }

     /**
      * 多个SD卡时 取外置SD卡
      *
      * @return
      */
     public static String getExternalStorageDirectory() {
         // 参考文章
         // http://blog.csdn.net/bbmiku/article/details/7937745
         Map<String, String> map = System.getenv();
         String[] values = new String[map.values().size()];
         map.values().toArray(values);
         String path = values[values.length - 1];
         if (path.startsWith("/mnt/") && !Environment.getExternalStorageDirectory().getAbsolutePath().equals(path)) {
             return path;
         } else {
             return null;
         }
     }

     /**
      * 获取可用空间大小
      *
      * @return
      */
     public static long getAvailaleSize() {
         if (!existSDCard()) {
             return 0l;
         }
         File path = Environment.getExternalStorageDirectory(); //取得sdcard文件路径
         StatFs stat = new StatFs(path.getPath());
         long blockSize = stat.getBlockSize();
         long availableBlocks = stat.getAvailableBlocks();
         return availableBlocks * blockSize;
     }

     /**
      * 获取SD大小
      *
      * @return
      */
     public static long getAllSize() {
         if (!existSDCard()) {
             return 0l;
         }
         File path = Environment.getExternalStorageDirectory();
         StatFs stat = new StatFs(path.getPath());
         long blockSize = stat.getBlockSize();
         long availableBlocks = stat.getBlockCount();
         return availableBlocks * blockSize;
     }

     public static boolean isOnline(Context context) {
         try {
             ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
             NetworkInfo ni = cm.getActiveNetworkInfo();
             return ni != null ? ni.isConnectedOrConnecting() : false;
         } catch (Exception e) {
             e.printStackTrace();
             return false;
         }
     }

     /**
      * 服务是否运行
      *
      * @param mContext
      * @param className
      * @return
      */
     public static boolean isServiceRunning(Context mContext, String className) {
         boolean isRunning = false;
         ActivityManager activityManager = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);
         List<ActivityManager.RunningServiceInfo> serviceList = activityManager.getRunningServices(Integer.MAX_VALUE);
         if (serviceList.size() == 0) {
             return false;
         }
         for (int i = 0; i < serviceList.size(); i++) {
             if (serviceList.get(i).service.getClassName().equals(className) == true) {
                 isRunning = true;
                 break;
             }
         }
         return isRunning;
     }

     /**
      * 进程是否运行
      */
     public static boolean isProessRunning(Context context, String proessName) {
         boolean isRunning = false;
         ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);

         List<ActivityManager.RunningAppProcessInfo> lists = am.getRunningAppProcesses();
         for (ActivityManager.RunningAppProcessInfo info : lists) {
             if (info.processName.equals(proessName)) {
                 isRunning = true;
                 return isRunning;
             }
         }

         return isRunning;
     }

     /**
      * 震动
      *
      * @param context
      * @param duration
      */
     public static void vibrate(Context context, long duration) {
         Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
         long[] pattern = {0, duration};
         vibrator.vibrate(pattern, -1);
     }

     /**
      * 获取最后一次拍照的图片
      *
      * @param context
      * @return
      */
     public static String getLatestCameraPicture(Context context) {

         if (!existSDCard()) {
             return null;
         }

         String[] projection = new String[]{MediaStore.Images.ImageColumns._ID, MediaStore.Images.ImageColumns.DATA, MediaStore.Images.ImageColumns
                 .BUCKET_DISPLAY_NAME, MediaStore.Images.ImageColumns.DATE_TAKEN, MediaStore.Images.ImageColumns.MIME_TYPE};
         Cursor cursor = context.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, projection, null, null, MediaStore.Images
                 .ImageColumns.DATE_TAKEN + " DESC");
         if (cursor.moveToFirst()) {
             String path = cursor.getString(1);
             return path;
         }
         return null;
     }

     /**
      * 获取手机大小（分辨率）
      *
      * @param activity
      * @return
      */
     public static DisplayMetrics getScreenPix(Activity activity) {
         // DisplayMetrics 一个描述普通显示信息的结构，例如显示大小、密度、字体尺寸
         DisplayMetrics displaysMetrics = new DisplayMetrics();
         // 获取手机窗口的Display 来初始化DisplayMetrics 对象
         // getManager()获取显示定制窗口的管理器。
         // 获取默认显示Display对象
         // 通过Display 对象的数据来初始化一个DisplayMetrics 对象
         activity.getWindowManager().getDefaultDisplay().getMetrics(displaysMetrics);
         return displaysMetrics;
     }

     /**
      * 复制到剪切板
      *
      * @param context
      * @param content
      */
     @TargetApi(11)
     public static void coptyToClipBoard(Context context, String content) {
         int currentapiVersion = android.os.Build.VERSION.SDK_INT;
         if (currentapiVersion >= android.os.Build.VERSION_CODES.HONEYCOMB) {
             ClipboardManager clipboard = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
             ClipData clip = ClipData.newPlainText("label", content);
             clipboard.setPrimaryClip(clip);
         } else {
             android.text.ClipboardManager clipboard = (android.text.ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
             clipboard.setText(content);
         }
     }

     /**
      * 获取非系统应用包名
      *
      * @param context
      * @return
      */
     public static List<String> getAppPackageNamelist(Context context) {
         List<String> packList = new ArrayList<String>();
         PackageManager pm = context.getPackageManager();
         List<PackageInfo> packinfos = pm.getInstalledPackages(0);
         for (PackageInfo packinfo : packinfos) {
             String packname = packinfo.packageName;
             packList.add(packname);
         }

         return packList;
     }

     /**
      * 判断某个应用是否已经安装
      *
      * @param context     上下文
      * @param packageName 包名
      * @return 是否已经安装
      */
     public static boolean isAppInstall(Context context, String packageName) {
         // 获取packagemanager
         final PackageManager packageManager = context.getPackageManager();
         // 获取所有已安装程序的包信息
         List<PackageInfo> packageInfos = packageManager.getInstalledPackages(0);
         // 用于存储所有已安装程序的包名
         List<String> packageNames = new ArrayList<String>();
         // 从pinfo中将包名字逐一取出，压入pName list中
         if (packageInfos != null) {
             for (int i = 0; i < packageInfos.size(); i++) {
                 String packName = packageInfos.get(i).packageName;
                 packageNames.add(packName);
             }
         }
         // 判断packageNames中是否有目标程序的包名，有TRUE，没有FALSE
         return packageNames.contains(packageName);
     }

     public static int dip2px(Context context, float dipValue) {
         final float scale = context.getResources().getDisplayMetrics().density;
         return (int) (dipValue * scale + 0.5f);
     }

     public static int px2dip(Context context, float pxValue) {
         final float scale = context.getResources().getDisplayMetrics().density;
         return (int) (pxValue / scale + 0.5f);
     }

     /**
      * 判断是否有软控制键（手机底部几个按钮）
      *
      * @param activity
      * @return
      */
     public boolean isSoftKeyAvail(Activity activity) {
         final boolean[] isSoftkey = {false};
         final View activityRootView = (activity).getWindow().getDecorView().findViewById(android.R.id.content);
         activityRootView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
             @Override
             public void onGlobalLayout() {
                 int rootViewHeight = activityRootView.getRootView().getHeight();
                 int viewHeight = activityRootView.getHeight();
                 int heightDiff = rootViewHeight - viewHeight;
                 if (heightDiff > 100) { // 99% of the time the height diff will be due to a keyboard.
                     isSoftkey[0] = true;
                 }
             }
         });
         return isSoftkey[0];
     }

     /**
      * 获取statusbar高度
      *
      * @param context
      * @return
      */
     public static int getStatusBarHeight(Context context) {
         int height = 0;
         int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
         if (resourceId > 0) {
             height = context.getResources().getDimensionPixelSize(resourceId);
         }

         return height;
     }

     /**
      * 获取navigationbar高度
      *
      * @param context
      * @return
      */
     public static int getNavigationBarHeight(Context context) {
         int height = 0;
         Resources resources = context.getResources();
         int resourceId = resources.getIdentifier("navigation_bar_height", "dimen", "android");
         //获取NavigationBar的高度
         if (resourceId > 0) {
             height = resources.getDimensionPixelSize(resourceId);
         }
         return height;
     }

     /**
      * 获取状态栏高度＋标题栏(ActionBar)高度
      * (注意，如果没有ActionBar，那么获取的高度将和上面的是一样的，只有状态栏的高度)
      *
      * @param activity
      * @return
      */
     public static int getTopBarHeight(Activity activity) {
         return activity.getWindow().findViewById(Window.ID_ANDROID_CONTENT).getTop();
     }

     /**
      * @param @param context
      * @param @param packageName   包名
      * @return void    返回类型
      * @throws
      * @Title: startActivityForPackage
      * @Description: TODO(通过)
      */
     @SuppressLint("NewApi")
     public static boolean startActivityForPackage(Context context, String packageName) {
         PackageInfo pi = null;
         try {
             pi = context.getPackageManager().getPackageInfo(packageName, 0);
         } catch (PackageManager.NameNotFoundException e) {
             e.printStackTrace();
             return false;
         }

         Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null);
         resolveIntent.addCategory(Intent.CATEGORY_LAUNCHER);
         resolveIntent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
         //        resolveIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         resolveIntent.setPackage(pi.packageName);

         List<ResolveInfo> apps = context.getPackageManager().queryIntentActivities(resolveIntent, 0);

         ResolveInfo ri = apps.iterator().next();
         if (ri != null) {
             String packageName1 = ri.activityInfo.packageName;
             String className = ri.activityInfo.name;

             Intent intent = new Intent(Intent.ACTION_MAIN);
             intent.addCategory(Intent.CATEGORY_LAUNCHER);
             intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);

             ComponentName cn = new ComponentName(packageName1, className);

             intent.setComponent(cn);
             context.startActivity(intent);
             return true;
         }
         return false;
     }

     /**
      * 隐藏键盘
      * ：强制隐藏
      *
      * @param context
      */
     public static void hideInputSoftFromWindowMethod(Context context, View view) {
         try {
             InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
             imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
         } catch (Exception e) {
             e.printStackTrace();
         }
     }

     /**
      * 显示输入法
      *
      * @param context
      * @param view
      */
     public static void showInputSoftFromWindowMethod(Context context, View view) {
         try {
             InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
             imm.showSoftInput(view, InputMethodManager.SHOW_FORCED);
         } catch (Exception e) {
             e.printStackTrace();
         }
     }

     /**
      * 判断输入负是否处于激活状态
      *
      * @param context
      * @return
      */
     public static boolean isActiveSoftInput(Context context) {
         InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
         return imm.isActive();
     }

     /**
      * 主动回到Home，后台运行
      *
      * @param context
      */
     public static void goHome(Context context) {
         Intent mHomeIntent = new Intent(Intent.ACTION_MAIN);
         mHomeIntent.addCategory(Intent.CATEGORY_HOME);
         mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
         context.startActivity(mHomeIntent);
     }

     /**
      * 返回移动终端类型
      * PHONE_TYPE_NONE :0 手机制式未知
      * PHONE_TYPE_GSM :1 手机制式为GSM，移动和联通
      * PHONE_TYPE_CDMA :2 手机制式为CDMA，电信
      * PHONE_TYPE_SIP:3
      *
      * @param context
      * @return
      */
     public static int getPhoneType(Context context) {
         TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
         return telephonyManager.getPhoneType();
     }

     /**
      * 判断手机连接的网络类型(wifi,2G,3G,4G)
      * 联通的3G为UMTS或HSDPA，移动和联通的2G为GPRS或EGDE，电信的2G为CDMA，电信的3G为EVDO
      *
      * @param context
      * @return
      */
     public static int getNetType(Context context) {
         int netWorkType = NETWORK_CLASS_UNKNOWN;

         ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
         NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();

         if (networkInfo != null && networkInfo.isConnected()) {
             int type = networkInfo.getType();

             if (type == ConnectivityManager.TYPE_WIFI) {
                 netWorkType = NETWORK_WIFI;
             } else if (type == ConnectivityManager.TYPE_MOBILE) {
                 TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
                 switch (telephonyManager.getNetworkType()) {
                     case TelephonyManager.NETWORK_TYPE_GPRS:
                     case TelephonyManager.NETWORK_TYPE_EDGE:
                     case TelephonyManager.NETWORK_TYPE_CDMA:
                     case TelephonyManager.NETWORK_TYPE_1xRTT:
                     case TelephonyManager.NETWORK_TYPE_IDEN:
                         return NETWORK_CLASS_2_G;
                     case TelephonyManager.NETWORK_TYPE_UMTS:
                     case TelephonyManager.NETWORK_TYPE_EVDO_0:
                     case TelephonyManager.NETWORK_TYPE_EVDO_A:
                     case TelephonyManager.NETWORK_TYPE_HSDPA:
                     case TelephonyManager.NETWORK_TYPE_HSUPA:
                     case TelephonyManager.NETWORK_TYPE_HSPA:
                     case TelephonyManager.NETWORK_TYPE_EVDO_B:
                     case TelephonyManager.NETWORK_TYPE_EHRPD:
                     case TelephonyManager.NETWORK_TYPE_HSPAP:
                         return NETWORK_CLASS_3_G;

                     case TelephonyManager.NETWORK_TYPE_LTE:
                         return NETWORK_CLASS_4_G;
                     default:
                         return NETWORK_CLASS_UNKNOWN;
                 }
             }
         }

         return netWorkType;
     }

     /**
      * 跳转至拨号界面
      *
      * @param context
      * @param phoneNumber 电话号码电话号码
      */
     public static void callDial(Context context, String phoneNumber) {
         context.startActivity(new Intent(Intent.ACTION_DIAL, Uri.parse("tel:" + phoneNumber)));
     }

     /**
      * 发送短信
      *
      * @param context
      * @param phoneNumber
      * @param content
      */
     public static void sendSms(Context context, String phoneNumber, String content) {
         Uri uri = Uri.parse("smsto:" + (TextUtils.isEmpty(phoneNumber) ? "" : phoneNumber));
         Intent intent = new Intent(Intent.ACTION_SENDTO, uri);
         intent.putExtra("sms_body", TextUtils.isEmpty(content) ? "" : content);
         context.startActivity(intent);
     }

     /**
      * 判断当前设备是否为手机
      *
      * @param context
      * @return
      */
     public static boolean isPhone(Context context) {
         TelephonyManager telephony = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
         if (telephony.getPhoneType() == TelephonyManager.PHONE_TYPE_NONE) {
             return false;
         } else {
             return true;
         }
     }
 }