android相机调用及存储详解

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File outputImage;
private ImageView iv;
public static final int TAKE_PHOTO = 1;
public static final int CROP_PHOTO = 2;
private Uri imageUri;
private String path = Environment.getExternalStorageDirectory()
.getAbsolutePath();
private String imagePath;
private GridView gv_photos;
String photoPath = path + "/Six/image/";
File[] images;
ImageButton image;
List<Drawable> lists;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_image);
init();
}

private void init() {
// TODO Auto-generated method stub
iv = (ImageView) findViewById(R.id.iv_picture);

File f = new File(photoPath);
images = f.listFiles();

try {
lists = new ArrayList<Drawable>();
for (int i = 0; i < images.length; i++) {
FileInputStream fil = new FileInputStream(photoPath
+ images[i].getName());
Drawable d = Drawable.createFromStream(fil, null);
lists.add(d);
}

} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

gv_photos = (GridView) findViewById(R.id.gv_photos);
gv_photos.setAdapter(new BaseAdapter() {

@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
convertView = View.inflate(ImageActivity.this,
R.layout.item_photo, null);
ImageView iv = (ImageView) convertView
.findViewById(R.id.iv_photo_item);
TextView tv = (TextView) convertView
.findViewById(R.id.tv_photo);
tv.setText(images[position].getName());
iv.setImageDrawable(lists.get(position));
return convertView;
}

@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}

@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}

@Override
public int getCount() {
// TODO Auto-generated method stub
return lists.size();
}
});
}

public void SelectImage(View view) {
// 创建File路径，用于存储拍照后的图片

// File filePath = Environment.getExternalStorageDirectory();

// 新建此文件夹
File fileFolder = new File(photoPath);
if (!fileFolder.exists() && !fileFolder.isDirectory()) {
fileFolder.mkdirs();
}

// 文件名不能总是同一个名字，所以在这里，可以选择用时间来做图片名称

SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
Date curDate = new Date(System.currentTimeMillis());// 获取当前时间
String name = "six" + formatter.format(curDate);
// 新建此文件
outputImage = new File(fileFolder, name + ".jpg");
// 得到它的名字，在显示中用
imagePath = photoPath + name + ".jpg";
// 找到地址及调用
imageUri = Uri.fromFile(outputImage);
Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
// 启动相机程序
startActivityForResult(intent, TAKE_PHOTO);

}

// 注意，这里是要重写这个方法，必须要重写！！
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case TAKE_PHOTO:
if (resultCode == RESULT_OK) {
Intent intent = new Intent("com.android.camera.action.CROP");
intent.setDataAndType(imageUri, "image/*");
intent.putExtra("scale", true);
intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
// 启动裁剪程序
startActivityForResult(intent, CROP_PHOTO);
}
break;
case CROP_PHOTO:
if (resultCode == RESULT_OK) {
try {
Bitmap bitmap = BitmapFactory
.decodeStream(getContentResolver().openInputStream(
imageUri));
// 将裁剪后的照片显示出来
iv.setImageBitmap(bitmap);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
break;
default:
break;
}
}

public void PhotoToImage(View view) {
Toast.makeText(ImageActivity.this, "未做待续哈~", 0).show();
}

android相机调用及存储详解

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原文地址：http://www.cnblogs.com/firefly-pengdan/p/5471227.html