大家好,又见面了,我是全栈君。
package com.example.showgetpic;
import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Base64;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.Toast;
public class MainActivity extends Activity {
private ImageView iv;
private OnClickListener imgViewListener;
private Bitmap myBitmap;
private int REQUEST_OK = 1;
private LinearLayout ly_list;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
iv = (ImageView) findViewById(R.id.iv);
ly_list=(LinearLayout) findViewById(R.id.ly_list);
iv.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Intent intent = new Intent();
//intent = new Intent(Intent.ACTION_GET_CONTENT);
/* 开启Pictures画面Type设定为image */
intent.setType("image/*");
/* 使用Intent.ACTION_GET_CONTENT这个Action */
intent.setAction(Intent.ACTION_GET_CONTENT);
/* 取得相片后返回本画面 */
startActivityForResult(intent, 1);
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
if (requestCode == REQUEST_OK) {
Uri selectedImage = data.getData();
try {
Bitmap bitmap = BitmapFactory.decodeStream(this
.getContentResolver().openInputStream(Uri.parse(selectedImage.toString())));
iv.setImageBitmap(bitmap);
Toast.makeText(getApplicationContext(), "上传成功",
Toast.LENGTH_SHORT).show();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
super.onActivityResult(requestCode, resultCode, data);
}
// public static Bitmap getPicFromBytes(byte[] bytes,
// BitmapFactory.Options opts) {
// if (bytes != null)
// if (opts != null)
// return BitmapFactory.decodeByteArray(bytes, 0, bytes.length,
// opts);
// else
// return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
// return null;
// }
//
// public static byte[] readStream(InputStream in) throws Exception {
// byte[] buffer = new byte[1024];
// int len = -1;
// ByteArrayOutputStream outStream = new ByteArrayOutputStream();
//
// while ((len = in.read(buffer)) != -1) {
// outStream.write(buffer, 0, len);
// }
// byte[] data = outStream.toByteArray();
// outStream.close();
// in.close();
// return data;
// }
}
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