src/main/java/com/android/volley/toolbox/Threads.java


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package com.android.volley.toolbox;

import android.os.Looper;

final class Threads {
    private Threads() {}

    static void throwIfNotOnMainThread() {
        if (Looper.myLooper() != Looper.getMainLooper()) {
            throw new IllegalStateException("Must be invoked from the main thread.");
        }
    }
}