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| 1 | ||
| 2 | ||
| 3 | - | import ru.donstroy.parusamobile.MainActivity; |
| 3 | + | |
| 4 | - | import android.app.ActivityManager; |
| 4 | + | |
| 5 | - | import android.content.Context; |
| 5 | + | |
| 6 | - | import android.content.res.Resources; |
| 6 | + | |
| 7 | - | import android.graphics.Bitmap; |
| 7 | + | |
| 8 | - | import android.graphics.BitmapFactory; |
| 8 | + | |
| 9 | - | import android.graphics.Matrix; |
| 9 | + | |
| 10 | - | import android.view.View; |
| 10 | + | |
| 11 | - | import android.view.ViewGroup; |
| 11 | + | |
| 12 | - | import android.view.ViewGroup.LayoutParams; |
| 12 | + | |
| 13 | - | import android.widget.BaseAdapter; |
| 13 | + | |
| 14 | - | import android.widget.Gallery; |
| 14 | + | |
| 15 | - | import android.widget.ImageView; |
| 15 | + | |
| 16 | } | |
| 17 | ||
| 18 | @Override | |
| 19 | public Object getItem(int position) {
| |
| 20 | // TODO Auto-generated method stub | |
| 21 | return mImage[position]; | |
| 22 | } | |
| 23 | ||
| 24 | @Override | |
| 25 | public long getItemId(int position) {
| |
| 26 | // TODO Auto-generated method stub | |
| 27 | return mImage[position]; | |
| 28 | } | |
| 29 | ||
| 30 | @Override | |
| 31 | public View getView(int position, View convertView, ViewGroup parent) {
| |
| 32 | // TODO Auto-generated method stub | |
| 33 | ImageView view = new ImageView(mContext); | |
| 34 | ||
| 35 | view.setImageBitmap(decodeSampledBitmapFromResource(MainActivity.resourcesApp, mImage[position],MainActivity.HightSreenSize/8,MainActivity.HightSreenSize/8);); | |
| 36 | ||
| 37 | //view.setImageResource(mImage[position]); | |
| 38 | //view.setPadding(20,0, 20, 0); | |
| 39 | view.setLayoutParams(new Gallery.LayoutParams(MainActivity.WidthSreenSize/3, LayoutParams.WRAP_CONTENT)); | |
| 40 | view.setScaleType(ImageView.ScaleType.FIT_XY); | |
| 41 | view.setBackgroundResource(mGalleryItemBackground); | |
| 42 | return view; | |
| 43 | } | |
| 44 | ||
| 45 | public static Bitmap decodeSampledBitmapFromResource(Resources res, int resId,int reqWidth, int reqHeight) {
| |
| 46 | ||
| 47 | // First decode with inJustDecodeBounds=true to check dimensions | |
| 48 | final BitmapFactory.Options options = new BitmapFactory.Options(); | |
| 49 | options.inJustDecodeBounds = true; | |
| 50 | BitmapFactory.decodeResource(res, resId, options); | |
| 51 | ||
| 52 | // Calculate inSampleSize | |
| 53 | options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight); | |
| 54 | ||
| 55 | // Decode bitmap with inSampleSize set | |
| 56 | options.inJustDecodeBounds = false; | |
| 57 | return BitmapFactory.decodeResource(res, resId, options); | |
| 58 | } | |
| 59 | ||
| 60 | private static int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) {
| |
| 61 | // Raw height and width of image | |
| 62 | final int height = options.outHeight; | |
| 63 | final int width = options.outWidth; | |
| 64 | int inSampleSize = 1; | |
| 65 | ||
| 66 | if (height > reqHeight || width > reqWidth) {
| |
| 67 | ||
| 68 | final int halfHeight = height / 2; | |
| 69 | final int halfWidth = width / 2; | |
| 70 | ||
| 71 | // Calculate the largest inSampleSize value that is a power of 2 and keeps both | |
| 72 | // height and width larger than the requested height and width. | |
| 73 | while ((halfHeight / inSampleSize) > reqHeight | |
| 74 | && (halfWidth / inSampleSize) > reqWidth) {
| |
| 75 | inSampleSize *= 2; | |
| 76 | } | |
| 77 | } | |
| 78 | ||
| 79 | return inSampleSize; | |
| 80 | } | |
| 81 | } |
