package cn.lixyz.tuji;import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Date;import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Intent;
import android.database.sqlite.SQLiteDatabase;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.media.ExifInterface;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import cn.lixyz.tuji.Util.GetDate;
import cn.lixyz.tuji.sqlite.MySQLiteOpenHelper;/*** 添加图片类 选择图片之后，先判断用户是否安装SD卡，如果安装，则在SD卡中新建一个cn.lixyz.tuji目录，将选择的图片复制到目录中* * @author LGB**/public class AddPicActivity extends Activity implements View.OnClickListener {private ImageView iv_select_img;private EditText et_image_name, et_image_tag, et_image_remark;private Button bt_submit;private Bitmap bitmap;private File sdPath;private String fileName = "TUJIE" + new Date().getTime();private FileOutputStream fos;private MySQLiteOpenHelper msoh;private SQLiteDatabase database;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_addpic);initView();}private void initView() {iv_select_img = (ImageView) findViewById(R.id.iv_select_img);et_image_name = (EditText) findViewById(R.id.et_image_name);et_image_tag = (EditText) findViewById(R.id.et_image_tag);et_image_remark = (EditText) findViewById(R.id.et_image_remark);bt_submit = (Button) findViewById(R.id.bt_submit);iv_select_img.setOnClickListener(this);bt_submit.setOnClickListener(this);}@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {super.onActivityResult(requestCode, resultCode, data);if (resultCode == RESULT_OK) {Uri uri = data.getData();ContentResolver cr = this.getContentResolver();try {BitmapFactory.Options options = new BitmapFactory.Options();options.inJustDecodeBounds = true;BitmapFactory.decodeStream(cr.openInputStream(uri), null, options);int scale = options.outHeight / 150;options.inSampleSize = scale;options.inJustDecodeBounds = false;bitmap = BitmapFactory.decodeStream(cr.openInputStream(uri), null, options);Log.d("TTTT", bitmap.getWidth() + "--" + bitmap.getHeight());iv_select_img.setImageBitmap(bitmap);// 将原始bitmap发送到handler，以便于复制到TuJi目录和压缩生成缩略图Message msg = new Message();msg.obj = BitmapFactory.decodeStream(cr.openInputStream(uri));handler.sendMessage(msg);} catch (FileNotFoundException e) {Log.e("Exception", e.getMessage(), e);} catch (IOException e) {e.printStackTrace();}}}// 创建一个Handler，用来异步复制图片到TuJi目录Handler handler = new Handler() {@Overridepublic void handleMessage(Message msg) {super.handleMessage(msg);final Bitmap copyBitmap = (Bitmap) msg.obj;new Thread(new Runnable() {@Overridepublic void run() {try {copyPicToSDCard(copyBitmap, true);Bitmap newBitmap = copyBitmap.createScaledBitmap(copyBitmap, 100, 100, true);copyPicToSDCard(newBitmap, false);} catch (IOException e) {// TODO Auto-generated catch block
                        e.printStackTrace();}}}).start();}};@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.iv_select_img:Intent intent = new Intent();intent.setType("image/*");intent.setAction(Intent.ACTION_GET_CONTENT);startActivityForResult(intent, 1);break;case R.id.bt_submit:String picName = et_image_name.getText().toString().trim();String picTag = et_image_tag.getText().toString().trim();String picRemark = et_image_remark.getText().toString().trim();msoh = new MySQLiteOpenHelper(AddPicActivity.this, "TujiData", null, 1);database = msoh.getWritableDatabase();ContentValues cv = new ContentValues();cv.put("picName", picName);cv.put("picTag", picTag);cv.put("picRemark", picRemark);cv.put("fileName", fileName);cv.put("date", new GetDate().getDate());database.insert("pics", null, cv);database.close();finish();break;}}/*** * @param bm*            bitmap* @param bigOrSmall*            原始图片or缩略图,true为原始图，false为缩略图* @throws IOException*/private void copyPicToSDCard(Bitmap bm, boolean bigOrSmall) throws IOException {if (Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED)) {/* 得到SD卡得路径 */sdPath = Environment.getExternalStorageDirectory();try {File dir = new File(sdPath + "/cn.lixyz.TuJi");if (bigOrSmall) {fos = new FileOutputStream(new File(dir + "/" + fileName + ".png"));} else {fos = new FileOutputStream(new File(dir + "/" + fileName + "_scale.png"));}if (!dir.exists()) {dir.mkdir();bm.compress(Bitmap.CompressFormat.PNG, 100, fos);} else {bm.compress(Bitmap.CompressFormat.PNG, 100, fos);}} catch (FileNotFoundException e) {// TODO Auto-generated catch block
                e.printStackTrace();} finally {fos.flush();fos.close();}}}
}