Example usage for android.util SparseArray size

Introduction

In this page you can find the example usage for android.util SparseArray size.

Prototype

public int size()

Source Link

Document

Returns the number of key-value mappings that this SparseArray currently stores.

Usage

From source file:Main.java

public static <E> boolean isEmpty(SparseArray<E> array) {
    if (array == null || array.size() == 0) {
        return true;
    }//from   w w w  .j  av a  2 s  .co  m
    return false;
}

From source file:Main.java

private static void print(SparseArray<String> strs) {
    for (int i = 0; i < strs.size(); i++) {
        Log.i("XJ", "key = " + strs.keyAt(i) + ",value = " + strs.valueAt(i));
    }/* ww w  .  j a  v a2  s  .c  om*/
}

From source file:Main.java

public static void recycleBitmaps(SparseArray<Bitmap> bitmapSparseArray) {
    for (int i = 0; i < bitmapSparseArray.size(); i++) {
        Bitmap mBitmap = bitmapSparseArray.get(i);
        if (mBitmap != null) {
            mBitmap.recycle();//w  w w .  j  a va  2 s  .c om
            mBitmap = null;
        }
    }
}

From source file:Main.java

private static void clearSparseArray(SparseArray<?> spArray) {
    if (spArray != null) {
        int size = spArray.size();
        for (int i = 0; i < size; i++) {
            spArray.setValueAt(i, null);
        }//  www .j  a v a 2s. co m
    }
}

From source file:Main.java

public static boolean isEmpty(SparseArray sparseArray) {
    return sparseArray == null || sparseArray.size() <= 0;
}

From source file:Main.java

public static void scaleBitmaps(SparseArray<Bitmap> bitmapMap, float scale) {
    for (int i = 0; i < bitmapMap.size(); i++) {
        int key = bitmapMap.keyAt(i);
        Log.d("BitmapUtil", "scaleBitmaps: " + key);
        Bitmap bitmap = bitmapMap.get(key);
        bitmapMap.put(i, scaleBitmap(bitmap, scale));
    }//from   www .j a v  a2s .  c  o m
}

From source file:Main.java

public static float averageValueOfCompartments(SparseArray<ArrayList<Float>> compartments) {
    return sumCompartmentsValues(compartments) / compartments.size();
}

From source file:Main.java

public static float sumCompartmentsValues(SparseArray<ArrayList<Float>> compartments) {
    float sum = 0L;
    for (int i = 0; i < compartments.size(); i++) {
        for (int j = 0; j < compartments.get(i).size(); j++) {
            sum += compartments.get(i).get(j);
        }//from  w w  w  .  j  a  va2  s .c  om
    }
    return sum;
}

From source file:Main.java

public static int getSize(SparseArray<?> sparseArray) {
    if (sparseArray == null) {
        return 0;
    }//from   ww  w . j  a va 2  s  .  c  om
    return sparseArray.size();
}

From source file:Main.java

public static <C> List<C> asList(SparseArray<C> sparseArray) {
    if (sparseArray == null)
        return null;
    List<C> arrayList = new ArrayList<C>(sparseArray.size());
    for (int i = 0; i < sparseArray.size(); i++)
        arrayList.add(sparseArray.valueAt(i));
    return arrayList;
}