获取设备相关工具类 DeviceUtil
/**
* 设备相关信息工具类
*
* 需添的加权限：
* {@code
*/
public final class DeviceUtil {
private static final String TODO = "";
/**
* 获取设备宽度（px）
* @param context
* @return
*/
public static int deviceWidth(Context context) {
return context.getResources().getDisplayMetrics().widthPixels;
}
/**
* 获取设备高度（px）
* @param context
* @return
*/
public static int deviceHeight(Context context) {
return context.getResources().getDisplayMetrics().heightPixels;
}
/**
* 是否有网
* @param context
* @return
*/
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
* @return
*/
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
* @return
*/
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
* @return
*/
public static String getDeviceId(Context context) {
TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
assert tm != null;
if (ActivityCompat.checkSelfPermission(context, Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return TODO;
}
String deviceId = tm.getDeviceId();
if (deviceId == null) {
return "";
} else {
return deviceId;
}
}
/**
* 获取手机品牌
*
* @return
*/
public static String getPhoneBrand() {
return android.os.Build.BRAND;
}
/**
* 获取手机型号
*
* @return
*/
public static String getPhoneModel() {
return android.os.Build.MODEL;
}
/**
* 获取手机Android API等级（22、23 ...）
*
* @return
*/
public static int getBuildLevel() {
return android.os.Build.VERSION.SDK_INT;
}
/**
* 获取手机Android 版本（4.4、5.0、5.1 ...）
*
* @return
*/
public static String getBuildVersion() {
return android.os.Build.VERSION.RELEASE;
}
/**
* 获取当前App进程的id
*
* @return
*/
public static int getAppProcessId() {
return android.os.Process.myPid();
}
/**
* 获取当前App进程的Name
*
* @param context
* @param processId
* @return
*/
public static String getAppProcessName(Context context, int processId) {
String processName = "";
ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
// 获取所有运行App的进程集合
assert am != null;
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(DeviceUtil.class.getName(), e.getMessage(), e);
}
}
return processName;
}
/**
* 创建App文件夹
*
* @param appName
* @param application1
* @param application
* @return
*/
public static String createAPPFolder(String appName, Application application1, Application application) {
return createAPPFolder(appName, application, (Application) null);
}
/**
* 通过Uri找到File
*
* @param context
* @param uri
* @return
*/
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;
}
}使用示例 :
int deviceWidth = DeviceUtil.deviceWidth(this);
Log.i(TAG, "宽度为" + deviceWidth);
int deviceHeight = DeviceUtil.deviceHeight(this);
Log.i(TAG, "高度为" + deviceHeight);
boolean networkConnected = DeviceUtil.isNetworkConnected(this);
if (networkConnected) {
Log.i(TAG, "有网");
} else {
Log.i(TAG, "无网");
}
String versionCode = DeviceUtil.getVersionCode(this);
Log.i(TAG, "App版本号为 : " + versionCode);
String deviceId = DeviceUtil.getDeviceId(this);
Log.i(TAG, "设备唯一ID" + deviceId);
String phoneBrand = DeviceUtil.getPhoneBrand();
Log.i(TAG, "手机品牌为:" + phoneBrand);
String phoneModel = DeviceUtil.getPhoneModel();
Log.i(TAG, "手机型号为 " + phoneModel);
int buildLevel = DeviceUtil.getBuildLevel();
Log.i(TAG, "androidAPI等级" + buildLevel);
String buildVersion = DeviceUtil.getBuildVersion();
Log.i(TAG, "系统安卓版本" + buildVersion);
int appProcessId = DeviceUtil.getAppProcessId();
Log.i(TAG, "App进程ID" + appProcessId);
String appProcessName = DeviceUtil.getAppProcessName(this, appProcessId);
Log.i(TAG, "App进程名称" + appProcessName);