android 系統工具類

static {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
try {
Class<?> c = Class.forName("android.os.SystemProperties");
Method m = c.getDeclaredMethod("get", String.class);
m.setAccessible(true);
sNavBarOverride = (String) m.invoke(null, "qemu.hw.mainkeys");
} catch (Throwable e) {
sNavBarOverride = null;
}
}
}


public static final String TAG = SystemInfoUtil.class.getSimpleName();
private static final String STATUS_BAR_HEIGHT_RES_NAME = "status_bar_height";
private static final String NAV_BAR_HEIGHT_RES_NAME = "navigation_bar_height";
private static final String NAV_BAR_HEIGHT_LANDSCAPE_RES_NAME = "navigation_bar_height_landscape";
private static final String NAV_BAR_WIDTH_RES_NAME = "navigation_bar_width";
private static final String SHOW_NAV_BAR_RES_NAME = "config_showNavigationBar";
private static String sNavBarOverride;


/**
* 得到sdk 版本號
* @return
*/
public static int getSdkVersion() {
return Build.VERSION.SDK_INT;
}


/**
* 判斷網絡是否可用
* @return
*/
public static boolean isNetworkAvailable() {
try {
ConnectivityManager cm = (ConnectivityManager) BaseApplication.getContext().getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo netWorkInfo = cm.getActiveNetworkInfo();
return (netWorkInfo != null && netWorkInfo.isAvailable());// 檢測網絡是否可用
} catch (Exception e) {
e.printStackTrace();
return false;
}
}


/**
* 獲取當前手機系統版本號
*
* @return  系統版本號
*/
public static String getSystemVersion() {
return android.os.Build.VERSION.RELEASE;
}
/**
* 獲取手機型號
*
* @return  手機型號
*/
public static String getSystemModel() {
return android.os.Build.MODEL;
}
public static String getProjectName(Context _context){
PackageManager pm = _context.getPackageManager();
String appName = _context.getApplicationInfo().loadLabel(pm).toString();
return  appName;
}


/**
* 得到版本名稱
* @return
*/
public static String getVersionName() {
try {
return BaseApplication.contextApp.getPackageManager().getPackageInfo(BaseApplication.contextApp.getPackageName(), 0).versionName;
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
return null;
}


/**
* 得到版本號
* @return
*/
public static int getVersionCode() {
try {
return BaseApplication.contextApp.getPackageManager().getPackageInfo(BaseApplication.contextApp.getPackageName(), 0).versionCode;
} catch (NameNotFoundException e) {
return -1;
}
}


/****
* 是否強行更新app
* @return
*/
public static boolean isUpdateApp(String webAppCode){
String[] localCode = getVersionName().split("\\.");
String[] webCode = webAppCode.split("\\.");
if(localCode.length!=webCode.length)
return true;
if (localCode.length!=3)
return true;
return Integer.parseInt(localCode[0])>Integer.parseInt(webCode[0])||Integer.parseInt(localCode[1])>Integer.parseInt(webCode[1])||Integer.parseInt(localCode[2])>Integer.parseInt(webCode[2])+2;
}




public static String getPackageName(Context context) {
try {
PackageInfo info = context.getPackageManager().getPackageInfo(
context.getPackageName(), 0);
if (info != null) {
return info.packageName;
}
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
return null;
}


public static String getApplicationName() {
PackageManager packageManager = null;
ApplicationInfo applicationInfo = null;
try {
packageManager = BaseApplication.getContext().getPackageManager();
applicationInfo = packageManager.getApplicationInfo(getPackageName(BaseApplication.getContext()), 0);
} catch (PackageManager.NameNotFoundException e) {
applicationInfo = null;
}
String applicationName =
(String) packageManager.getApplicationLabel(applicationInfo);
return applicationName;
}


public static String getPhoneNum(Context _context) {
TelephonyManager phoneMgr = (TelephonyManager) _context.getSystemService(Context.TELEPHONY_SERVICE);
return phoneMgr.getLine1Number();
}


public static String getIMEI(Context _context) {
TelephonyManager _manager = (TelephonyManager) _context.getSystemService(Context.TELEPHONY_SERVICE);
String _imei = _manager.getDeviceId(); // 取出IMEI
return _imei;
}


public static String getICCID(Context _context) {
TelephonyManager _manager = (TelephonyManager) _context.getSystemService(Context.TELEPHONY_SERVICE);
String _iccid = _manager.getSimSerialNumber(); // 取出ICCID
return _iccid;
}


public static String getIMSI(Context _context) {
TelephonyManager _manager = (TelephonyManager) _context.getSystemService(Context.TELEPHONY_SERVICE);
String _imsi = _manager.getSubscriberId(); // 取出IMSI
return _imsi;
}


public static boolean isPad(Context _context) {
if (Build.VERSION.SDK_INT >= 11) {
Configuration con = _context.getResources().getConfiguration();
try {
Method mIsLayoutSizeAtLeast = con.getClass().getMethod("isLayoutSizeAtLeast", int.class);
return (Boolean) mIsLayoutSizeAtLeast.invoke(con, 0x00000004);
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
return false;
}


public static Intent call_1(String _phoneNum) {


return new Intent(Intent.ACTION_CALL_BUTTON, Uri.parse("tel:" + _phoneNum));
}


/*****
* 去撥號界面
* @param _phoneNum
* @return
*/
public static void callDialing(String _phoneNum) {
ActivityCompat.startActivity(BaseApplication.getContext(),new Intent(Intent.ACTION_DIAL, Uri.parse("tel:" + _phoneNum)),null);
}


/**
* 得到設備的唯一Id
* @return
*/
public static String getInstallationId() {
return Build.SERIAL;
}


/**
* 獲取屏幕參數
*/
public static DisplayMetrics getDisplayMetrics() {
return BaseApplication.getContext().getResources().getDisplayMetrics();
}


/**
* 得到設備屏幕的寬度
*/
public static int getScreenWidth() {
return getDisplayMetrics().widthPixels;
}


/**
* 得到設備屏幕的高度
*/
public static int getScreenHeight() {
return getDisplayMetrics().heightPixels;
}


/**
* 得到設備的密度
*/
public static float getScreenDensity() {
return getDisplayMetrics().density;
}


public static int dpTpPx(float value) {
return (int) (TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, value, getDisplayMetrics()) + 0.5);
}


/**
* 把密度轉換爲像素
*/
public static int dip2px(float px) {
final float scale = getScreenDensity();
return (int) (px * scale + 0.5);
}


public static int px2dip(float pxValue) {
final float scale = getScreenDensity();
return (int) (pxValue / scale + 0.5f);
}


/**
* 獲取狀態欄高度
*
* @return
*/
public static int getStatusBarHeight() {
int result = 0;
int resourceId = BaseApplication.getInstance().getResources().getIdentifier(STATUS_BAR_HEIGHT_RES_NAME, "dimen", "android");
if (resourceId > 0) {
result = BaseApplication.getInstance().getResources().getDimensionPixelSize(resourceId);
}
return result;
}


/****
* 獲取下邊高度
* @return
*/
public static int getNavigationBarHeight() {
int result = 0;
int resourceId = BaseApplication.getInstance().getResources().getIdentifier(NAV_BAR_HEIGHT_RES_NAME, "dimen", "android");
if (resourceId > 0) {
result = BaseApplication.getInstance().getResources().getDimensionPixelSize(resourceId);
}
return result;
}




@SuppressLint("NewApi")
public static float getSmallestWidthDp() {
DisplayMetrics metrics = new DisplayMetrics();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
AppManager.getAppManager().currentActivity().getWindowManager().getDefaultDisplay().getRealMetrics(metrics);
} else {
// TODO this is not correct, but we don't really care pre-kitkat
AppManager.getAppManager().currentActivity().getWindowManager().getDefaultDisplay().getMetrics(metrics);
}
float widthDp = metrics.widthPixels / metrics.density;
float heightDp = metrics.heightPixels / metrics.density;
return Math.min(widthDp, heightDp);
}


@TargetApi(14)
public static int getActionBarHeight() {
int result = 0;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
TypedValue tv = new TypedValue();
BaseApplication.getInstance().getContext().getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true);
result = TypedValue.complexToDimensionPixelSize(tv.data, BaseApplication.getInstance().getContext().getResources().getDisplayMetrics());
}
return result;
}


@TargetApi(14)
public static int getNavigationBarWidth() {
Resources res =  BaseApplication.getInstance().getContext().getResources();
int result = 0;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
if (hasNavBar( BaseApplication.getInstance().getContext())) {
return getInternalDimensionSize(res, NAV_BAR_WIDTH_RES_NAME);
}
}
return result;
}


@TargetApi(14)
private static boolean hasNavBar(Context context) {
Resources res = context.getResources();
int resourceId = res.getIdentifier(SHOW_NAV_BAR_RES_NAME, "bool", "android");
if (resourceId != 0) {
boolean hasNav = res.getBoolean(resourceId);
if ("1".equals(sNavBarOverride)) {
hasNav = false;
} else if ("0".equals(sNavBarOverride)) {
hasNav = true;
}
return hasNav;
} else {
return !ViewConfiguration.get(context).hasPermanentMenuKey();
}
}


/****
*
* @return
*/
public static boolean isNavigationAtBottom() {
return (SystemInfoUtil.getSmallestWidthDp() >= 600 || BaseApplication.getInstance().getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT);
}


public static boolean hasNavigtionBar() {
return SystemInfoUtil.getNavigationBarHeight() > 0;
}


public static int getPixelInsetTop(boolean mTranslucentStatusBar ,boolean withActionBar) {
return (mTranslucentStatusBar ? SystemInfoUtil.getStatusBarHeight() : 0) + (withActionBar ? SystemInfoUtil.getActionBarHeight() : 0);
}


public static int getPixelInsetBottom(boolean mTranslucentNavBar) {
if (mTranslucentNavBar && SystemInfoUtil.isNavigationAtBottom()) {
return SystemInfoUtil.getNavigationBarHeight();
} else {
return 0;
}
}


public static int getPixelInsetRight(boolean mTranslucentNavBar) {
if (mTranslucentNavBar && !SystemInfoUtil.isNavigationAtBottom()) {
return SystemInfoUtil.getNavigationBarWidth();
} else {
return 0;
}
}


private static int getInternalDimensionSize(Resources res, String key) {
int result = 0;
int resourceId = res.getIdentifier(key, "dimen", "android");
if (resourceId > 0) {
result = res.getDimensionPixelSize(resourceId);
}
return result;
}


public static boolean hasJellyBean() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
}


public static boolean hasLollipop() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
}


/*****
* 查詢本機所有可以分享
* @return
* @param share
*/
public static List<AppInfoBean> canShareList(List<String> share){
List<AppInfoBean> canList = new ArrayList<>();
Intent intent = new Intent(Intent.ACTION_SEND);
intent.setType("*/*");//設置分享內容的類型 image/*、text/plain
PackageManager pm = BaseApplication.contextApp.getPackageManager();
List<ResolveInfo> resInfoList = pm.queryIntentActivities(intent,PackageManager.MATCH_DEFAULT_ONLY);
for (ResolveInfo resInfo: resInfoList) {
String pkgName = resInfo.activityInfo.packageName; // 獲得應用程序的包名
if (share==null || share.isEmpty() || share.contains(pkgName)){
String activityName = resInfo.activityInfo.name; // 獲得該應用程序的啓動Activity的name
String appLabel = (String) resInfo.loadLabel(pm); // 獲得應用程序的Label
String appName = resInfo.activityInfo.applicationInfo.loadLabel(pm).toString();
Drawable icon = resInfo.loadIcon(pm); // 獲得應用程序圖標
// 爲應用程序的啓動Activity 準備Intent
Intent launchIntent = new Intent();
launchIntent.setComponent(new ComponentName(pkgName,activityName));
// 創建一個AppInfo對象，並賦值
AppInfoBean appInfo = new AppInfoBean();
appInfo.setAppName(appName);
appInfo.setAppLabel(appLabel);
appInfo.setPkgName(pkgName);
appInfo.setAppIcon(icon);
appInfo.setIntent(launchIntent);
canList.add(appInfo);
}
}
return canList;
}


/**
* Retrieve launcher activity name of the application from the context
*
* @param context The context of the application package.
* @return launcher activity name of this application. From the
* "android:name" attribute.
*/
public static String getLauncherClassName(Context context) {
PackageManager packageManager = context.getPackageManager();
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.setPackage(context.getPackageName());
intent.addCategory(Intent.CATEGORY_LAUNCHER);
// All Application must have 1 Activity at least.
// Launcher activity must be found!
ResolveInfo info = packageManager
.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
// get a ResolveInfo containing ACTION_MAIN, CATEGORY_LAUNCHER
// if there is no Activity which has filtered by CATEGORY_DEFAULT
if (info == null) {
info = packageManager.resolveActivity(intent, 0);
}
//////////////////////另一種實現方式//////////////////////
// ComponentName componentName = context.getPackageManager().getLaunchIntentForPackage(mContext.getPackageName()).getComponent();
// return componentName.getClassName();
//////////////////////另一種實現方式//////////////////////
return info.activityInfo.name;
}


/******
* 獲取當前
* @return
*/
public static View getCurrentView(){
FrameLayout contentParent = (FrameLayout) AppManager.getAppManager().currentActivity().getWindow().getDecorView().findViewById(android.R.id.content);
return contentParent.getFocusedChild();
}