java - Set ListView Adapter with composite PRIMARY KEY in SQLite table -


मैंने एक लिखित दृश्य में SQLite डेटाबेस तालिका से डेटा को एक SimpleCursorAdapter का उपयोग कर लिया है। यह तब अच्छी तरह से काम करता है जब मैं _id INTEGER प्राथमिक कुंजी एटॉइंकर्रम का उपयोग कर रहा हूँ जैसा कि मेरी टेबल की प्राथमिक कुंजी है हालांकि, मैं निम्नलिखित के रूप में एक समग्र प्राथमिक कुंजी का उपयोग करने की कोशिश कर रहा हूं: 

  बनाओ टेबल तालिका (स्तंभ 1, स्तंभ 2, स्तंभ 3, प्राथमिक कुंजी (स्तंभ 1, स्तंभ 2));

मैं क्या इकट्ठा कर सकता हूं, SimpleCursorAdapter कन्स्ट्रक्टर को काम करने के लिए _id कॉलम की आवश्यकता होती है। मैं कम्प्यूटिट प्राथमिक कुंजी के साथ SimpleCursorAdapter बनाने का कोई तरीका नहीं ढूंढ सकता।

<पी > बस अपनी कच्ची क्वेरी में उन्हें _ID 

  चुनें column1 चुनें। '_' || तालिका 2 से _ID, स्तंभ 1, स्तंभ 2, स्तंभ 3 तालिका से

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