android - ImageView trouble - 


  & lt; रिलेटिव लेआउट xmlns: android = "http://schemas.android.com/apk/res/android "Android: layout_width =" fill_parent "एंड्रॉइड: layout_height =" fill_parent "& gt; & Lt; ImageView android: layout_width = "wrap_content" एंड्रॉइड: layout_height = "wrap_content" एंड्रॉइड: layout_centerHorizontal = "true" android: src = "@ ड्रॉएबल / वॉलपेपर" / & gt; & Lt; / RelativeLayout & gt;

का आकार @ drawable / peetscoffee_wallpaper 640x480 है, लेकिन यह क्षैतिज रूप से केन्द्रित नहीं है। मैं इसे कैसे ठीक कर सकता हूं?

कोशिश करें android: gravity = "center" , या android: layout_gravity = "center" , के बजाय centerHorizontal = "true" ।

हालांकि, मुझे शक है कि यह एक छवि के साथ समझदारी से व्यवहार करेगा उस आकार को wrap_content पर सेट - आप android: scaleType (जैसे fitCenter ) के साथ कुछ छवि स्केलिंग पद्धति को परिभाषित करना चाहते हैं और इसे wrap_content के बजाय fill_parent 640x480 मौजूदा वास्तविक दुनिया के एंड्रॉइड डिवाइस समर्थन 320x480 से बड़ा है या उस इमेज को स्केल कर लें जो आप उपयोग कर रहे हैं ताकि डिवाइस को काम करना जरूरी नहीं है।


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