package com.danxx.mdplayer.utils;
import android.app.Activity;
import android.app.ActivityManager;
import android.app.Application;
import android.content.ClipData;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.MediaStore;
import android.telephony.TelephonyManager;
import android.util.Log;
import com.danxx.mdplayer.R;
import java.io.File;
import java.util.Iterator;
import java.util.List;
/**
* 获取设备的一些信息
*/
public class DeviceUtils {
/**
* dp 转化为 px
*
* @param context context
* @param dpValue dpValue
* @return int
*/
public static int dp2px(Context context, float dpValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (dpValue * scale + 0.5f);
}
/**
* px 转化为 dp
*
* @param context context
* @param pxValue pxValue
*/
public static int px2dp(Context context, float pxValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (pxValue / scale + 0.5f);
}
/**
* 获取设备宽度（px）
*
* @param context context
* @return int
*/
public static int deviceWidth(Context context) {
return context.getResources().getDisplayMetrics().widthPixels;
}
/**
* 获取设备高度（px）
*/
public static int deviceHeight(Context context) {
return context.getResources().getDisplayMetrics().heightPixels;
}
/**
* SD卡判断
*
* @return boolean
*/
public static boolean isSDCardAvailable() {
return Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);
}
/**
* 是否有网
*
* @param context context
* @return boolean
*/
public static boolean isNetworkConnected(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager
= (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
if (mNetworkInfo != null) {
return mNetworkInfo.isAvailable();
}
}
return false;
}
/**
* 返回版本名字
* 对应build.gradle中的versionName
*
* @param context context
* @return String
*/
public static String getVersionName(Context context) {
String versionName = "";
try {
PackageManager packageManager = context.getPackageManager();
PackageInfo packInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
versionName = packInfo.versionName;
} catch (Exception e) {
e.printStackTrace();
}
return versionName;
}
/**
* 返回版本号
* 对应build.gradle中的versionCode
*
* @param context context
* @return String
*/
public static String getVersionCode(Context context) {
String versionCode = "";
try {
PackageManager packageManager = context.getPackageManager();
PackageInfo packInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
versionCode = String.valueOf(packInfo.versionCode);
} catch (Exception e) {
e.printStackTrace();
}
return versionCode;
}
/**
* 获取设备的唯一标识，deviceId
*
* @param context context
* @return String
*/
public static String getDeviceId(Context context) {
TelephonyManager tm = (TelephonyManager) context.getSystemService(
Context.TELEPHONY_SERVICE);
String deviceId = tm.getDeviceId();
if (deviceId == null) {
return "-";
} else {
return deviceId;
}
}
/**
* 获取手机品牌
*
* @return String
*/
public static String getPhoneBrand() {
return Build.BRAND;
}
/**
* 获取手机型号
*
* @return String
*/
public static String getPhoneModel() {
return Build.MODEL;
}
/**
* 获取手机Android API等级（22、23 ...）
*
* @return int
*/
public static int getBuildLevel() {
return Build.VERSION.SDK_INT;
}
/**
* 获取手机Android 版本（4.4、5.0、5.1 ...）
*
* @return String
*/
public static String getBuildVersion() {
return Build.VERSION.RELEASE;
}
/**
* 获取当前App进程的id
*
* @return int
*/
public static int getAppProcessId() {
return android.os.Process.myPid();
}
/**
* 获取当前App进程的Name
*
* @param context context
* @param processId processId
* @return String
*/
public static String getAppProcessName(Context context, int processId) {
String processName = null;
ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
// 获取所有运行App的进程集合
List l = am.getRunningAppProcesses();
Iterator i = l.iterator();
PackageManager pm = context.getPackageManager();
while (i.hasNext()) {
ActivityManager.RunningAppProcessInfo info
= (ActivityManager.RunningAppProcessInfo) (i.next());
try {
if (info.pid == processId) {
CharSequence c = pm.getApplicationLabel(
pm.getApplicationInfo(info.processName, PackageManager.GET_META_DATA));
processName = info.processName;
return processName;
}
} catch (Exception e) {
Log.e(DeviceUtils.class.getName(), e.getMessage(), e);
}
}
return processName;
}
/**
* 创建App文件夹
*
* @param appName appName
* @param application application
* @return String
*/
public static String createAPPFolder(String appName, Application application) {
return createAPPFolder(appName, application, null);
}
/**
* 创建App文件夹
*
* @param appName appName
* @param application application
* @param folderName folderName
* @return String
*/
public static String createAPPFolder(String appName, Application application, String folderName) {
File root = Environment.getExternalStorageDirectory();
File folder;
/**
* 如果存在SD卡
*/
if (DeviceUtils.isSDCardAvailable() && root != null) {
folder = new File(root, appName);
if (!folder.exists()) {
folder.mkdirs();
}
} else {
/**
* 不存在SD卡，就放到缓存文件夹内
*/
root = application.getCacheDir();
folder = new File(root, appName);
if (!folder.exists()) {
folder.mkdirs();
}
}
if (folderName != null) {
folder = new File(folder, folderName);
if (!folder.exists()) {
folder.mkdirs();
}
}
return folder.getAbsolutePath();
}
/**
* 通过Uri找到File
*
* @param context context
* @param uri uri
* @return File
*/
public static File uri2File(Activity context, Uri uri) {
File file;
String[] project = { MediaStore.Images.Media.DATA };
Cursor actualImageCursor = context.getContentResolver()
.query(uri, project, null, null, null);
if (actualImageCursor != null) {
int actual_image_column_index = actualImageCursor.getColumnIndexOrThrow(
MediaStore.Images.Media.DATA);
actualImageCursor.moveToFirst();
String img_path = actualImageCursor.getString(actual_image_column_index);
file = new File(img_path);
} else {
file = new File(uri.getPath());
}
if (actualImageCursor != null) actualImageCursor.close();
return file;
}
/**
* 获取AndroidManifest.xml里 <meta-data>的值
*
* @param context context
* @param name name
* @return String
*/
public static String getMetaData(Context context, String name) {
String value = null;
try {
ApplicationInfo appInfo = context.getPackageManager()
.getApplicationInfo(context.getPackageName(),
PackageManager.GET_META_DATA);
value = appInfo.metaData.getString(name);
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
return value;
}
/**
* 复制到剪贴板
*
* @param context context
* @param content content
*/
public static void copy2Clipboard(Context context, String content) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
android.content.ClipboardManager clipboardManager
= (android.content.ClipboardManager) context.getSystemService(
Context.CLIPBOARD_SERVICE);
ClipData clipData = ClipData.newPlainText(context.getString(R.string.app_name),
content);
clipboardManager.setPrimaryClip(clipData);
} else {
android.text.ClipboardManager clipboardManager = (android.text.ClipboardManager) context
.getSystemService(Context.CLIPBOARD_SERVICE);
clipboardManager.setText(content);
}
}
}