Example usage for android.text TextUtils isEmpty

Introduction

In this page you can find the example usage for android.text TextUtils isEmpty.

Prototype

public static boolean isEmpty(@Nullable CharSequence str)

Source Link

Document

Returns true if the string is null or 0-length.

Usage

From source file:Main.java

public static boolean isFlymeOs4x() {
    String sysVersion = android.os.Build.VERSION.RELEASE;
    if ("4.4.4".equals(sysVersion)) {
        String sysIncrement = android.os.Build.VERSION.INCREMENTAL;
        String displayId = android.os.Build.DISPLAY;
        if (!TextUtils.isEmpty(sysIncrement)) {
            return sysIncrement.contains("Flyme_OS_4");
        } else {/* w ww .  ja va2  s. c om*/
            return displayId.contains("Flyme OS 4");
        }
    }
    return false;
}

From source file:Main.java

public static boolean isForeground(Context context, String className) {
    if (context == null || TextUtils.isEmpty(className)) {
        return false;
    }/* ww  w .  j a  v  a  2s  .  c o m*/

    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    List<ActivityManager.RunningTaskInfo> list = am.getRunningTasks(1);
    if (list != null && list.size() > 0) {
        ComponentName cpn = list.get(0).topActivity;
        if (className.equals(cpn.getClassName())) {
            return true;
        }
    }

    return false;
}

From source file:Main.java

public static Map<String, String> getOption(int skip, int limit, String sort) {
    Map<String, String> options = new ArrayMap<>();
    options.put("skip", skip + "");
    options.put("limit", limit + "");
    if (!TextUtils.isEmpty(sort))
        options.put("sort", sort);
    return options;
}

From source file:Main.java

public static boolean hasLength(EditText editText) {
    // text never null!
    String str = editText.getText().toString();
    if (!TextUtils.isEmpty(str)) {
        return str.trim().length() > 0;
    } else {/*from   w  w w  .  j av a  2s  .  c  o  m*/
        return false;
    }
}

From source file:Main.java

public static void ToastMsg(Context context, String msg) {
    if (context == null || TextUtils.isEmpty(msg)) {
        return;//  w  w  w .j  a  v  a  2  s .c  o m
    }
    if (mToast != null) {
        mToast.cancel();
        mToast = null;
    }
    mToast = Toast.makeText(context, msg, Toast.LENGTH_SHORT);
    mToast.show();
}

From source file:Main.java

public static String getIMEI(Context context) {
    TelephonyManager mTelephonyMgr = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    String imei = mTelephonyMgr.getDeviceId();
    if (TextUtils.isEmpty(imei) || imei.equals("000000000000000")) {
        imei = "0";
    }/*  w  ww  .  j a  v a  2  s.c  om*/
    return imei;
}

From source file:Main.java

public static void toastMessageLong(Context context, String message) {
    if (context == null) {
        return;//from w w w  . jav  a2  s  .  c o  m
    }
    if (TextUtils.isEmpty(message)) {
        sToast = null;
        return;
    }
    if (sToast != null) {
        sToast.cancel();
        sToast = null;
    }
    sToast = getToast(context);
    sToast.setDuration(Toast.LENGTH_LONG);
    sToast.setText(message);
    sToast.show();
}

From source file:Main.java

public static boolean isServiceRunning(Context context, String className) {
    if (context == null)
        return false;
    if (TextUtils.isEmpty(className))
        return false;
    boolean isRunning = false;
    ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    List<ActivityManager.RunningServiceInfo> servicesList = activityManager
            .getRunningServices(Integer.MAX_VALUE);
    for (ActivityManager.RunningServiceInfo si : servicesList) {
        if (className.equals(si.service.getClassName())) {
            isRunning = true;/*from  w w  w. j a v a 2s .  c om*/
        }
    }
    return isRunning;
}

From source file:Main.java

public static String getDeviceId() {
    String IMEI = telephonyManager.getDeviceId();
    if (TextUtils.isEmpty(IMEI)) {
        IMEI = Settings.Secure.getString(mContext.getContentResolver(), Settings.Secure.ANDROID_ID);
    }/*from  ww w  .  ja  va 2s .c  om*/
    return IMEI;
}

From source file:Main.java

public static String getAuthorityFromPermission(Context context, String permission) {
    if (TextUtils.isEmpty(permission)) {
        return null;
    }//from  w  w  w  .  j av a 2s  . c  o m
    List<PackageInfo> packs = context.getPackageManager().getInstalledPackages(PackageManager.GET_PROVIDERS);
    if (packs == null) {
        return null;
    }
    for (PackageInfo pack : packs) {
        ProviderInfo[] providers = pack.providers;
        if (providers != null) {
            for (ProviderInfo provider : providers) {
                if (permission.equals(provider.readPermission) || permission.equals(provider.writePermission)) {
                    return provider.authority;
                }
            }
        }
    }
    return null;

}