Example usage for android.content Context getApplicationContext

Introduction

In this page you can find the example usage for android.content Context getApplicationContext.

Prototype

public abstract Context getApplicationContext();

Source Link

Document

Return the context of the single, global Application object of the current process.

Usage

From source file:Main.java

public static Typeface getTypeface(Context context) {
    if (typeface == null) {
        typeface = Typeface.createFromAsset(context.getApplicationContext().getAssets(), "Helvetica.ttf");
    }/*  w w w  . j  a  v  a  2s  .co m*/
    return typeface;
}

From source file:Main.java

public static boolean canNetworkUseful(Context context) {

    ConnectivityManager manager = (ConnectivityManager) context.getApplicationContext()
            .getSystemService(Context.CONNECTIVITY_SERVICE);

    if (manager == null) {
        return false;
    }/*from  ww  w .  j  av a 2  s  . c o  m*/

    NetworkInfo networkinfo = manager.getActiveNetworkInfo();
    if (networkinfo == null || !networkinfo.isAvailable()) {
        return false;
    }

    return true;
}

From source file:Main.java

public static void copyFileOrDir(Context ctx, String path) throws IOException {
    String assets[] = ctx.getApplicationContext().getAssets().list(path);
    if (assets.length == 0) {
        copyFile(ctx, path);//from   www.  j  a va2 s .  co  m
    } else {
        StringBuilder fullPath = new StringBuilder();
        fullPath.append(DATA_DIR).append(ctx.getPackageName()).append("/").append(path);
        File dir = new File(fullPath.toString());
        if (!dir.exists())
            dir.mkdir();
        for (int i = 0; i < assets.length; ++i) {
            copyFileOrDir(ctx, path + "/" + assets[i]);
        }
    }
}

From source file:Main.java

public static void showLong(Context context, String msg) {
    if (context != null && !TextUtils.isEmpty(msg)) {
        Toast.makeText(context.getApplicationContext(), msg, Toast.LENGTH_LONG).show();
    }/*  w w w. j  a  v a 2  s. co  m*/
}

From source file:Main.java

public static void showShort(Context context, String msg) {
    if (context != null && !TextUtils.isEmpty(msg)) {
        Toast.makeText(context.getApplicationContext(), msg, Toast.LENGTH_SHORT).show();
    }/*  w  w w.j a  v a2s. c  o m*/
}

From source file:Main.java

public static boolean IsWiFiConnected(Context context) {
    ConnectivityManager connectivity = (ConnectivityManager) context.getApplicationContext()
            .getSystemService(Context.CONNECTIVITY_SERVICE);

    if (connectivity != null) {
        NetworkInfo[] info = connectivity.getAllNetworkInfo();
        if (info != null) {
            for (int i = 0; i < info.length; i++) {
                if (info[i].getTypeName().equals("WIFI") && info[i].isConnected())
                    return true;
            }/*from   w ww.  j  a va2s  .  co m*/
        }
    }

    return false;
}

From source file:Main.java

public static Typeface getBoldTypeface(Context context) {
    if (typefaceBold == null) {
        typefaceBold = Typeface.createFromAsset(context.getApplicationContext().getAssets(),
                "Helvetica_Bold.ttf");
    }//from   w  w  w .  j a va  2 s  .co m
    return typefaceBold;
}

From source file:Main.java

public static String getRelation(Context context) {
    DisplayMetrics dm = new DisplayMetrics();
    WindowManager windowMgr = (WindowManager) context.getApplicationContext()
            .getSystemService(Context.WINDOW_SERVICE);
    windowMgr.getDefaultDisplay().getMetrics(dm);
    int width = dm.widthPixels;
    int height = dm.heightPixels;
    return String.valueOf(width) + "*" + String.valueOf(height);
}

From source file:Main.java

/**
 * Returns typeface font from assets. If cached returns the cached value, otherwise loads from
 * assets and caches it.//from  www .j ava 2s  .  com
 * 
 * @param context
 * @param fontName
 * @return
 */
public static final Typeface getCachedFont(Context context, String fontName) {
    Typeface tf = null;
    Context appContext = context.getApplicationContext();
    try {
        // check if the font is cached
        if (mCachedFonts.containsKey(fontName) && mCachedFonts.get(fontName) != null) {
            tf = mCachedFonts.get(fontName);
        } else {
            // get the font from assets
            tf = Typeface.createFromAsset(appContext.getAssets(), "fonts/" + fontName);
            // cache the font
            mCachedFonts.put(fontName, tf);
        }
    } catch (Exception e) {
    }
    return tf;
}

From source file:Main.java

@SuppressLint("ShowToast")
public synchronized static Toast getInstance(Context context, String text, int duration) {
    if (null == mToast) {
        mToast = Toast.makeText(context.getApplicationContext(), text, duration);
    } else {/*from  w  ww.ja v a 2  s  .  c o  m*/
        mToast.setText(text);
        mToast.setDuration(duration);
    }
    return mToast;
}