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Computer Science E-76 Building Mobile Applications Lecture 5: [Android] Intents and Storage March 1, 2011 Dan Armendariz [email protected] 1
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Resources Additional Information 2 res/anim/ XML files for frame-by-frame animation res/drawable/ images compiled and optimized res/layout/ XML files for screen layouts res/values/ compiled XML files into different resource res/xml/ arbitrary XML files res/raw/ raw, uncompiled files
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Resources Dimension measurements 3 px Standard physical pixel in Inches, based on physical size of screen mm Millimeters, based on screen size pt Points, 1/72 of an inch based on screen size dp Density-independent Pixel. Relative pixel size vs 160dpi screen sp Scale-independent pixel. Like dp, but scaled by user's
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Unformatted text preview: font size pref (use for specifying font) Intents A bundle of information 4 Intents launch: Activities Services Broadcasts Data Storage Methods 5 Preferences Lightweight key-value pair store Files Read/write fles dynamically Databases SQLite Activity Lifecycle 6 http://developer.android.com/reference/android/app/Activity.html Data Storage Files 7 Read Context.openFileInput() returns FileInputStream Write Context.openFileOutput() returns FileOutputStream Computer Science E-76 Building Mobile Applications Lecture 5: [Android] Intents and Storage March 1, 2011 Dan Armendariz [email protected] 8...
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