Created
November 8, 2012 01:22
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ギャラリーから画像を選択して表示するだけのアプリ
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| package com.superarai.android.sample.imageview; | |
| import java.io.BufferedInputStream; | |
| import android.app.Activity; | |
| import android.content.Intent; | |
| import android.graphics.Bitmap; | |
| import android.graphics.BitmapFactory; | |
| import android.os.Bundle; | |
| import android.view.Menu; | |
| import android.widget.ImageView; | |
| /** | |
| * ギャラリーから画像を選択して表示するだけのアプリ | |
| * 参考: http://wiki.livedoor.jp/moonlight_aska/d/%A5%AE%A5%E3%A5%E9%A5%EA%A1%BC%A4%AB%A4%E9%B2%E8%C1%FC%A4%F2%BC%E8%C6%C0%A4%B9%A4%EB | |
| * （上のURLのソースを大体そのまま使ってる） | |
| * @author arai | |
| * | |
| */ | |
| public class MainActivity extends Activity { | |
| private static final int REQUEST_GALLERY = 0; | |
| private ImageView imageView; | |
| @Override | |
| public void onCreate(Bundle savedInstanceState) { | |
| super.onCreate(savedInstanceState); | |
| setContentView(R.layout.activity_main); | |
| imageView = (ImageView)findViewById(R.id.imageView1); | |
| Intent intent = new Intent(); | |
| intent.setType("image/*"); | |
| intent.setAction(Intent.ACTION_GET_CONTENT); | |
| startActivityForResult(intent, REQUEST_GALLERY); | |
| } | |
| @Override | |
| public boolean onCreateOptionsMenu(Menu menu) { | |
| getMenuInflater().inflate(R.menu.activity_main, menu); | |
| return true; | |
| } | |
| @Override | |
| protected void onActivityResult(int requestCode, int resultCode, Intent data) { | |
| if (requestCode == REQUEST_GALLERY && resultCode == RESULT_OK) { | |
| try { | |
| BufferedInputStream inputStream = new BufferedInputStream(getContentResolver().openInputStream(data.getData())); | |
| Bitmap image = BitmapFactory.decodeStream(inputStream); | |
| imageView.setImageBitmap(image); | |
| } catch (Exception e) { | |
| } | |
| } | |
| } | |
| } |
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