Android examples for Graphics:Bitmap File
decode Resource
//package com.book2s; import java.io.InputStream; import android.app.Activity; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Rect; import android.util.DisplayMetrics; import android.util.TypedValue; import android.view.Display; public class Main { private static Activity activity; public static Bitmap decodeResource(Context paramContext, int assetsId) { BitmapFactory.Options localOptions = new BitmapFactory.Options(); localOptions.inPreferredConfig = Bitmap.Config.ARGB_8888; localOptions.inPurgeable = true; localOptions.inInputShareable = true; return BitmapFactory.decodeStream(paramContext.getResources() .openRawResource(assetsId), null, localOptions); }/* w w w.j a v a 2 s . com*/ public static Bitmap decodeResource(Context paramContext, int paramInt, Rect paramRect, boolean paramBoolean) { BitmapFactory.Options localOptions = new BitmapFactory.Options(); localOptions.inPreferredConfig = Bitmap.Config.ARGB_8888; localOptions.inPurgeable = true; localOptions.inInputShareable = true; TypedValue localTypedValue = new TypedValue(); paramContext.getResources().getValue(paramInt, localTypedValue, true); InputStream localInputStream = paramContext.getResources() .openRawResource(paramInt); Display localDisplay = activity.getWindowManager() .getDefaultDisplay(); DisplayMetrics localDisplayMetrics = new DisplayMetrics(); localDisplay.getMetrics(localDisplayMetrics); Bitmap localBitmap = BitmapFactory.decodeStream(localInputStream, paramRect, localOptions); if (paramBoolean) { if (localTypedValue.string.toString().contains("sw600")) { localBitmap.setDensity(640 * localDisplayMetrics.densityDpi / localDisplayMetrics.heightPixels); } else { localBitmap.setDensity(480 * localDisplayMetrics.densityDpi / localDisplayMetrics.heightPixels); } } return localBitmap; } public static Bitmap decodeResource(Context paramContext, int paramInt, boolean paramBoolean) { return decodeResource(paramContext, paramInt, null, paramBoolean); } }