Tools - Auto Generated ID

//Generate ID

private static final java.util.concurrent.atomic.AtomicInteger sNextGeneratedId = new java.util.concurrent.atomic.AtomicInteger(1);
public static int generateViewId() {
    for (;;) {
        final int result = sNextGeneratedId.get();
        // aapt-generated IDs have the high byte nonzero; clamp to the range under that.
        int newValue = result + 1;
        if (newValue > 0x00FFFFFF) newValue = 1; // Roll over to 1, not 0.
        if (sNextGeneratedId.compareAndSet(result, newValue)) {
            return result;
        }
    }
}

//use
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
myView.setId(Utils.generateViewId());
} else {
myView.setId(View.generateViewId());
}

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