質問編集履歴
4
コードの追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -52,7 +52,7 @@
|
|
|
52
52
|
|
|
53
53
|
|
|
54
54
|
|
|
55
|
-
d
|
|
55
|
+
dBDao.insert(bytes1);
|
|
56
56
|
|
|
57
57
|
}
|
|
58
58
|
|
3
コードの追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -3,3 +3,99 @@
|
|
|
3
3
|
別のアクティビティでデータベースから画像を取得して表示したいのですが、複数の場合の画像の取得方法がわかりません。
|
|
4
4
|
|
|
5
5
|
こうすればうまくいくのではないのかなど、ご指摘お願いします。
|
|
6
|
+
|
|
7
|
+
```MainActivity
|
|
8
|
+
|
|
9
|
+
ClipData clipData = data.getClipData();
|
|
10
|
+
|
|
11
|
+
for (int i = 0; i < clipData.getItemCount(); i++) {
|
|
12
|
+
|
|
13
|
+
try {
|
|
14
|
+
|
|
15
|
+
|
|
16
|
+
|
|
17
|
+
ClipData.Item item = clipData.getItemAt(i);
|
|
18
|
+
|
|
19
|
+
|
|
20
|
+
|
|
21
|
+
|
|
22
|
+
|
|
23
|
+
Uri uri = item.getUri();
|
|
24
|
+
|
|
25
|
+
|
|
26
|
+
|
|
27
|
+
InputStream in = getContentResolver().openInputStream(uri);
|
|
28
|
+
|
|
29
|
+
Bitmap image = BitmapFactory.decodeStream(in);
|
|
30
|
+
|
|
31
|
+
|
|
32
|
+
|
|
33
|
+
|
|
34
|
+
|
|
35
|
+
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
|
36
|
+
|
|
37
|
+
image.compress(Bitmap.CompressFormat.JPEG, 100, baos);
|
|
38
|
+
|
|
39
|
+
|
|
40
|
+
|
|
41
|
+
byte[] bytes1 = baos.toByteArray();
|
|
42
|
+
|
|
43
|
+
|
|
44
|
+
|
|
45
|
+
|
|
46
|
+
|
|
47
|
+
Gazou gazou = new Gazou(getApplicationContext(), null, 1);
|
|
48
|
+
|
|
49
|
+
final SQLiteDatabase db = gazou.getWritableDatabase();
|
|
50
|
+
|
|
51
|
+
DBDao dBDao = new DBDao(db);
|
|
52
|
+
|
|
53
|
+
|
|
54
|
+
|
|
55
|
+
databaseDao.insert(bytes1);
|
|
56
|
+
|
|
57
|
+
}
|
|
58
|
+
|
|
59
|
+
```
|
|
60
|
+
|
|
61
|
+
```Main2Activity
|
|
62
|
+
|
|
63
|
+
|
|
64
|
+
|
|
65
|
+
DBSave dBSave = dBDao.findById(getIntent().getIntExtra("id", 1));
|
|
66
|
+
|
|
67
|
+
if (dBSave == null) {
|
|
68
|
+
|
|
69
|
+
finish();
|
|
70
|
+
|
|
71
|
+
}
|
|
72
|
+
|
|
73
|
+
|
|
74
|
+
|
|
75
|
+
byte[] bytes1 = dataBaseSave.getData();
|
|
76
|
+
|
|
77
|
+
Bitmap bitmap = BitmapFactory.decodeByteArray(bytes1, 0, bytes1.length);
|
|
78
|
+
|
|
79
|
+
|
|
80
|
+
|
|
81
|
+
ClipData.Item item = clipData.getItemAt(i);
|
|
82
|
+
|
|
83
|
+
|
|
84
|
+
|
|
85
|
+
|
|
86
|
+
|
|
87
|
+
Uri uri = item.getUri();
|
|
88
|
+
|
|
89
|
+
InputStream in = getContentResolver().openInputStream(uri);
|
|
90
|
+
|
|
91
|
+
Bitmap img = BitmapFactory.decodeStream(in);
|
|
92
|
+
|
|
93
|
+
in.close();
|
|
94
|
+
|
|
95
|
+
|
|
96
|
+
|
|
97
|
+
|
|
98
|
+
|
|
99
|
+
targetView.setImageBitmap(bitmap);//ImageViewをいくつか用意して、そこから表示する。
|
|
100
|
+
|
|
101
|
+
```
|
2
タグの修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
File without changes
|
1
タグの修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
File without changes
|