I can't call textToSpeech method from MainActivity in a different class
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Calling class method through NULL class pointer
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Using getResources() in non-activity class
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How to access Winform textbox control from another class?
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ActionListener isn't Implementing
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How come invoking a (static) method on a null reference doesn't throw NullPointerException?
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Android code starting from ContentProvider class rather than Main class
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How to call a method of a class?
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BaseAdapter class wont setAdapter inside Asynctask - Android
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Call subclass's method from its superclass
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startActivity not working
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Cannot refer to a non-final variable inside an inner class defined in a different method
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Keyword 'this' (Me) is not available calling the base constructor
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Java: cannot access static variable from a different class in the same package
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How to call a method after a delay in Android