Gallery 投影+3D

package com.lee.gallery3d; import java.util.ArrayList; import android.app.Activity; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.os.Bundle; import android.util.AttributeSet; import android.view.Gravity; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.EditText; import android.widget.Gallery; import android.widget.ImageView; import android.widget.ImageView.ScaleType; import android.widget.Toast; import com.lee.gallery3d.utils.BitmapUtil; import com.lee.gallery3d.widget.GalleryFlow; public class GalleryFlowActivity extends Activity { GalleryFlow mGallery = null; ArrayList<BitmapDrawable> mBitmaps = new ArrayList<BitmapDrawable>(); View.OnClickListener mListener = new View.OnClickListener() { @Override public void onClick(View v) { switch (v.getId()) { case R.id.space_confirm_btn: onSpaceBtnClick(v); break; case R.id.max_zoom_confirm_btn: onMaxZoomBtnClick(v); break; case R.id.max_rotate_angle_confirm_btn: onMaxAngleBtnClick(v); break; } } }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); generateBitmaps(); mGallery = (GalleryFlow) findViewById(R.id.gallery_flow); mGallery.setBackgroundColor(Color.GRAY); mGallery.setSpacing(50); mGallery.setFadingEdgeLength(0); mGallery.setGravity(Gravity.CENTER_VERTICAL); mGallery.setAdapter(new GalleryAdapter()); findViewById(R.id.space_confirm_btn).setOnClickListener(mListener); findViewById(R.id.max_zoom_confirm_btn).setOnClickListener(mListener); findViewById(R.id.max_rotate_angle_confirm_btn).setOnClickListener(mListener); } private void onSpaceBtnClick(View v) { EditText editText = (EditText) findViewById(R.id.space_edittext); String text = editText.getText().toString(); try { int spacing = Integer.parseInt(text); if (spacing >= -60 && spacing <= 60) { mGallery.setSpacing(spacing); ((GalleryAdapter)mGallery.getAdapter()).notifyDataSetChanged(); } else { Toast.makeText(this, getResources().getString(R.string.gallery_space_text_hint), Toast.LENGTH_SHORT).show(); } } catch (Exception e) { e.printStackTrace(); } } private void onMaxZoomBtnClick(View v) { EditText editText = (EditText) findViewById(R.id.max_zoom_edittext); String text = editText.getText().toString(); try { int maxZoom = Integer.parseInt(text); if (maxZoom >= -120 && maxZoom <= 120) { mGallery.setMaxZoom(maxZoom); ((GalleryAdapter)mGallery.getAdapter()).notifyDataSetChanged(); } else { Toast.makeText(this, getResources().getString(R.string.gallery_max_zoom_text_hint), Toast.LENGTH_SHORT).show(); } } catch (Exception e) { e.printStackTrace(); } } private void onMaxAngleBtnClick(View v) { EditText editText = (EditText) findViewById(R.id.max_rotate_angle_edittext); String text = editText.getText().toString(); try { int maxRotationAngle = Integer.parseInt(text); if (maxRotationAngle >= -60 && maxRotationAngle <= 60) { mGallery.setMaxRotationAngle(maxRotationAngle); ((GalleryAdapter)mGallery.getAdapter()).notifyDataSetChanged(); } else { Toast.makeText(this, getResources().getString(R.string.gallery_max_rotate_angle_text_hint), Toast.LENGTH_SHORT).show(); } } catch (Exception e) { e.printStackTrace(); } } private void generateBitmaps() { int[] ids ={ R.drawable.a, R.drawable.b, R.drawable.c, R.drawable.d, R.drawable.e, R.drawable.f, R.drawable.g, R.drawable.h, R.drawable.i, R.drawable.j, R.drawable.k, R.drawable.l, R.drawable.aa, R.drawable.bb, R.drawable.cc }; for (int id : ids) { Bitmap bitmap = createReflectedBitmapById(id); if (null != bitmap) { BitmapDrawable drawable = new BitmapDrawable(bitmap); drawable.setAntiAlias(true); mBitmaps.add(drawable); } } } private Bitmap createReflectedBitmapById(int resId) { Drawable drawable = getResources().getDrawable(resId); if (drawable instanceof BitmapDrawable) { Bitmap bitmap = ((BitmapDrawable)drawable).getBitmap(); Bitmap reflectedBitmap = BitmapUtil.createReflectedBitmap(bitmap); return reflectedBitmap; } return null; } private class GalleryAdapter extends BaseAdapter { @Override public int getCount() { return mBitmaps.size(); } @Override public Object getItem(int position) { return null; } @Override public long getItemId(int position) { return 0; } @Override public View getView(int position, View convertView, ViewGroup parent) { if (null == convertView){ convertView = new MyImageView(GalleryFlowActivity.this); convertView.setLayoutParams(new Gallery.LayoutParams(110, 184)); } ImageView imageView = (ImageView)convertView; imageView.setImageDrawable(mBitmaps.get(position)); imageView.setScaleType(ScaleType.FIT_XY); return imageView; } } private class MyImageView extends ImageView { public MyImageView(Context context) { this(context, null); } public MyImageView(Context context, AttributeSet attrs) { super(context, attrs, 0); } public MyImageView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); } protected void onDraw(Canvas canvas) { super.onDraw(canvas); } } }