1<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/> 2<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> 3<uses-permission android:name="android.permission.INTERNET"/>
1 <RelativeLayout 2 xmlns:android="http://schemas.android.com/apk/res/android" 3 android:layout_width="match_parent" 4 android:layout_height="match_parent"> 5 6 <ImageView 7 android:layout_width="300px" 8 android:layout_height="300px" 9 android:id="@+id/imageView" 10 android:layout_alignParentTop="true" 11 android:layout_centerHorizontal="true" /> 12 13 <Button 14 android:layout_width="wrap_content" 15 android:layout_height="wrap_content" 16 android:text="摄像头" 17 android:id="@+id/btn_camera" 18 android:layout_centerVertical="true" 19 android:layout_centerHorizontal="true" /> 20 21 <Button 22 android:layout_width="wrap_content" 23 android:layout_height="wrap_content" 24 android:text="图库" 25 android:id="@+id/btn_gallery" 26 android:layout_below="@+id/btn_camera" 27 android:layout_centerHorizontal="true" 28 android:layout_marginTop="41dp" /> 29 </RelativeLayout>
1 public class MainActivity extends ActionBarActivity {
2
3 private static int CAMERA_REQUEST_CODE = 1;
4 private static int GALLERY_REQUEST_CODE = 2;
5 private static int CROP_REQUEST_CODE = 3;
6
7 @Override
8 protected void onCreate(Bundle savedInstanceState) {
9 super.onCreate(savedInstanceState);
10 setContentView(R.layout.activity_main);
11
12 Button btn_camera = (Button) findViewById(R.id.btn_camera);
13 btn_camera.setOnClickListener(new View.OnClickListener() {
14 @Override
15 public void onClick(View v) {
16 Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
17 startActivityForResult(intent, CAMERA_REQUEST_CODE);
18 }
19 });
20
21 Button btn_gallery = (Button) findViewById(R.id.btn_gallery);
22 btn_gallery.setOnClickListener(new View.OnClickListener() {
23 @Override
24 public void onClick(View v) {
25 Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
26 intent.setType("image/*");
27 startActivityForResult(intent, GALLERY_REQUEST_CODE);
28 }
29 });
30 }
31
32 private Uri saveBitmap(Bitmap bm) {
33 File tmpDir = new File(Environment.getExternalStorageDirectory() + "/com.dr.avater");
34 if (!tmpDir.exists()) {
35 tmpDir.mkdir();
36 }
37 File img = new File(tmpDir.getAbsolutePath() + "avater.png");
38 try {
39 FileOutputStream fos = new FileOutputStream(img);
40 bm.compress(Bitmap.CompressFormat.PNG, 85, fos);
41 fos.flush();
42 fos.close();
43 return Uri.fromFile(img);
44 } catch (FileNotFoundException e) {
45 e.printStackTrace();
46 return null;
47 } catch (IOException e) {
48 e.printStackTrace();
49 return null;
50 }
51 }
52
53 private Uri convertUri(Uri uri) {
54 InputStream is = null;
55 try {
56 is = getContentResolver().openInputStream(uri);
57 Bitmap bitmap = BitmapFactory.decodeStream(is);
58 is.close();
59 return saveBitmap(bitmap);
60 } catch (FileNotFoundException e) {
61 e.printStackTrace();
62 return null;
63 } catch (IOException e) {
64 e.printStackTrace();
65 return null;
66 }
67 }
68
69 private void startImageZoom(Uri uri) {
70 Intent intent = new Intent("com.android.camera.action.CROP");
71 intent.setDataAndType(uri, "image/*");
72 intent.putExtra("crop", "true");
73 intent.putExtra("aspectX", 1);
74 intent.putExtra("aspectY", 1);
75 intent.putExtra("outputX", 150);
76 intent.putExtra("outputY", 150);
77 intent.putExtra("return-data", true);
78 startActivityForResult(intent, CROP_REQUEST_CODE);
79 }
80
81 @Override
82 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
83 if (requestCode == CAMERA_REQUEST_CODE) {
84 if (data == null) {
85 return;
86 } else {
87 Bundle extras = data.getExtras();
88 if (extras != null) {
89 Bitmap bm = extras.getParcelable("data");
90 Uri uri = saveBitmap(bm);
91 startImageZoom(uri);
92 }
93 }
94 } else if (requestCode == GALLERY_REQUEST_CODE) {
95 if (data == null) {
96 return;
97 }
98 Uri uri;
99 uri = data.getData();
100 Uri fileUri = convertUri(uri);
101 startImageZoom(fileUri);
102 } else if (requestCode == CROP_REQUEST_CODE) {
103 if (data == null) {
104 return;
105 }
106 Bundle extras = data.getExtras();
107 if (extras == null) {
108 return;
109 }
110 Bitmap bm = extras.getParcelable("data");
111 ImageView imageView = (ImageView) findViewById(R.id.imageView);
112 imageView.setImageBitmap(bm);
113 sendImage(bm);
114 }
115 }
116
117 private void sendImage(Bitmap bm) {
118 ByteArrayOutputStream stream = new ByteArrayOutputStream();
119 bm.compress(Bitmap.CompressFormat.PNG, 60, stream);
120 byte[] bytes = stream.toByteArray();
121 String img = new String(Base64.encodeToString(bytes, Base64.DEFAULT));
122
123 AsyncHttpClient client = new AsyncHttpClient();
124 RequestParams params = new RequestParams();
125 params.add("img", img);
126 client.post("http://192.168.56.1/ImgUpload.php", params, new AsyncHttpResponseHandler() {
127 @Override
128 public void onSuccess(int i, Header[] headers, byte[] bytes) {
129 Toast.makeText(MainActivity.this, "Upload Success!", Toast.LENGTH_LONG).show();
130
131 }
132
133 @Override
134 public void onFailure(int i, Header[] headers, byte[] bytes, Throwable throwable) {
135 Toast.makeText(MainActivity.this, "Upload Fail!", Toast.LENGTH_LONG).show();
136 }
137 });
138 }
139
140 @Override
141 public boolean onCreateOptionsMenu(Menu menu) {
142 // Inflate the menu; this adds items to the action bar if it is present.
143 getMenuInflater().inflate(R.menu.menu_main, menu);
144 return true;
145 }
146
147 @Override
148 public boolean onOptionsItemSelected(MenuItem item) {
149 // Handle action bar item clicks here. The action bar will
150 // automatically handle clicks on the Home/Up button, so long
151 // as you specify a parent activity in AndroidManifest.xml.
152 int id = item.getItemId();
153
154 //noinspection SimplifiableIfStatement
155 if (id == R.id.action_settings) {
156 return true;
157 }
158
159 return super.onOptionsItemSelected(item);
160 }
161 }
时间： 2024-11-06 17:31:11