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我有一個展示圖像集合的圖庫，我只是發現要共享顯示的圖像。 我知道圖像應該保存在CD卡中，然後共享它。 但我的主要問題是誰告訴哪個ID必須共享。在android項目中共享圖像
enter code here:
public class ImageAdapter extends BaseAdapter {
private Context context;
private int itemBackground;
public ImageAdapter(Context c)
{
context = c;
// sets a grey background; wraps around the images
TypedArray a =obtainStyledAttributes(R.styleable.MyGallery);
itemBackground = a.getResourceId(R.styleable.MyGallery_android_galleryItemBackground, 0);
a.recycle();
}
// returns the number of images
// returns an ImageView view
public View getView(int position, View convertView, ViewGroup parent) {
ImageView imageView = new ImageView(context);
imageView.setImageResource(imageIDs[position]);
imageView.setLayoutParams(new Gallery.LayoutParams(100, 100));
imageView.setBackgroundResource(itemBackground);
return imageView;
}
public int getCount() {
return imageIDs.length;
}
// returns the ID of an item
public Object getItem(int position) {
return position;
}
// returns the ID of an item
public long getItemId(int position) {
return position;
}
}
//the images to display
Integer[] imageIDs = {
R.drawable.pic1,
R.drawable.pic2,
R.drawable.pic3,
R.drawable.pic4,
R.drawable.pic5,
R.drawable.pic6,
R.drawable.pic7,
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ImageView imageView = (ImageView) findViewById(R.id.share);
imageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
// Note that Gallery view is deprecated in Android 4.1---
Gallery gallery = (Gallery) findViewById(R.id.gallery1);
gallery.setAdapter(new ImageAdapter(this));
gallery.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View v, final int position,long id)
{
Toast.makeText(getBaseContext(), "pic" + (position + 1) + " selected",
Toast.LENGTH_SHORT).show();
// display the images selected
ImageView imageView = (ImageView) findViewById(R.id.image1);
imageView.setImageResource(imageIDs[position]);
}
});
}
這是我的代碼，現在我想用這種方式分享我的圖片：
enter code here
public void share(View view)
{
Handler handler = new Handler();
handler.post(runnable);
}
final Runnable runnable = new Runnable()
{
public void run()
{
Bitmap bitmap;
OutputStream output;
// Retrieve the image from the res folder
int s = getCount();
bitmap = BitmapFactory.decodeResource(getResources(),s);
// Find the SD Card path
File filepath = Environment.getExternalStorageDirectory();
// Create a new folder AndroidBegin in SD Card
File dir = new File(filepath.getAbsolutePath() + "/Share Image /");
dir.mkdirs();
// Create a name for the saved image
File file = new File(dir, "" + ".png");
try {
// Share Intent
Intent share = new Intent(Intent.ACTION_SEND);
// Type of file to share
share.setType("image/png");
output = new FileOutputStream(file);
// Compress into png format image from 0% - 100%
bitmap.compress(Bitmap.CompressFormat.PNG, 100, output);
output.flush();
output.close();
// Locate the image to Share
Uri uri = Uri.fromFile(file);
// Pass the image into an Intnet
share.putExtra(Intent.EXTRA_STREAM, uri);
// Show the social share chooser list
startActivity(Intent.createChooser(share, "Share Image Tutorial"));
} catch (Exception e) {
e.printStackTrace();
}
}
};
我不知道該怎麼IDS設置此功能。