Android back button going to main activity when i pressed log out button -


* मैंने मुख्य गतिविधि और लॉगिन गतिविधि बनाई है ..

* मेरा ऐप उपयोगकर्ता को लॉगिन करने के लिए रीडायरेक्ट करेगा Actvity जब वे लॉगआउट बटन पर क्लिक करें, लेकिन समस्या है जब मैं वापस क्लिक करें यह अभी भी मुख्य गतिविधि पर जा रहा है जो मैं नहीं करना चाहता है मेरा ऐप ..

* मेरे अनुसार वापस बटन श्रोता के साथ कुछ शर्त लेखन कुछ तरह से मदद कर सकते हैं लेकिन इससे कोई भी अच्छा उपाय नहीं है?

जब आप लॉगिन गतिविधि शुरू करते हैं > FLAG_ACTIVITY_CLEAR_TASK फ्लैग किसी भी मौजूदा कार्य जो कार्यकलाप शुरू होने से पहले क्रियाकलाप को मंजूरी के साथ जोड़ा जाएगा । अर्थात, गतिविधि नई जड़ बन जाती है और किसी भी पुरानी गतिविधियां समाप्त हो जाती हैं। यह ध्वज केवल FLAG_ACTIVITY_NEW_TASK

उदाहरण के साथ संयोजन में किया जा सकता है: 

  आशय इरादा = नया आशय (यह, लॉगिनविशक्ति। वर्ग); Intent.setFlags (Intent.FLAG_ACTIVITY_NEW_TASK | आशय। FLAG_ACTIVITY_CLEAR_TASK); startActivity (आशय);   
 नोट: आप का उपयोग करके  लॉग इन अट्रिटीटी  को बंद करने के बाद और यदि आप `गतिविधि इतिहास 'से लॉन्च करते हैं तो लॉगनऍक्टिविटी लॉन्च की जाएगी (मुख्य गतिविधि नहीं)

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