1 import java.io.File;
2
3 import android.app.AlertDialog;
4 import android.content.Context;
5 import android.content.DialogInterface;
6 import android.content.Intent;
7 import android.graphics.Bitmap;
8 import android.graphics.drawable.BitmapDrawable;
9 import android.graphics.drawable.Drawable;
10 import android.net.Uri;
11 import android.os.Bundle;
12 import android.os.Environment;
13 import android.provider.MediaStore;
14 import android.util.Log;
15 import android.view.View;
16 import android.widget.Button;
17 import android.widget.Toast;
18
19 public class CropActivity extends BaseActivity {
20 private Context context;
21 private Button btn_crop;
22 private String[] items = new String[] { "选择本地图片", "拍照" };
23
24 private static final String SAVE_PIC_PATH=Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) ? Environment.getExtern alStorageDirectory().getAbsolutePath():"/mnt/sdcard";//保存到SD卡
25
26
27 /*头像名称*/
28 private static final String IMAGE_FILE_NAME = "faceImage.jpg";
29
30 /* 请求码*/
31 private static final int IMAGE_REQUEST_CODE = 0;
32 private static final int CAMERA_REQUEST_CODE = 1;
33 private static final int RESULT_REQUEST_CODE = 2;
34
35 private String filtPath = "";
36
37 @Override
38 public void onCreate(Bundle savedInstanceState) {
39 super.onCreate(savedInstanceState);
40 setContentView(R.layout.activity_crop);
41 context=this;
42 initViews();
43 }
44
45
46 @Override
47 protected void onResume() {
48 // TODO Auto-generated method stub
49 super.onResume();
50 initValues();
51 }
52
53 @Override
54 protected void updateViews(Object o) {
55 // TODO Auto-generated method stub
56
57 }
58
59 @Override
60 protected void initViews() {
61 // TODO Auto-generated method stub
62
63 btn_crop=(Button)findViewById(R.id.btn_crop);
64 btn_crop.setOnClickListener(new View.OnClickListener() {
65
66 @Override
67 public void onClick(View v) {
68 // TODO Auto-generated method stub
69 showDialog();
70 }
71 });
72
73 }
74
75 @Override
76 protected void initValues() {
77 // TODO Auto-generated method stub
78 }
79
80 @Override
81 protected void initHandler() {
82 // TODO Auto-generated method stub
83
84 }
85
86 private void showDialog() {
87
88 new AlertDialog.Builder(this)
89 .setTitle("设置头像")
90 .setItems(items, new DialogInterface.OnClickListener() {
91
92 @Override
93 public void onClick(DialogInterface dialog, int which) {
94 switch (which) {
95 case 0:
96 Intent intentFromGallery = new Intent();
97 intentFromGallery.setType("image/*"); // 设置文件类型
98 intentFromGallery.setAction(Intent.ACTION_GET_CONTENT);
99 startActivityForResult(intentFromGallery,IMAGE_REQUEST_CODE);
100 break;
101 case 1:
102 Intent intentFromCapture = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
103 // 判断存储卡是否可以用，可用进行存储
104 if (hasSdcard()) {
105 intentFromCapture.putExtra(MediaStore.EXTRA_OUTPUT,
106 Uri.fromFile(new File(Environment.getExternalStorageDirectory(),IMAGE_FILE_NAME)));
107 }
108 startActivityForResult(intentFromCapture,CAMERA_REQUEST_CODE);
109 break;
110 }
111 }
112 })
113 .setNegativeButton("取消", new DialogInterface.OnClickListener() {
114
115 @Override
116 public void onClick(DialogInterface dialog, int which) {
117 dialog.dismiss();
118 }
119 }).show();
120
121 }
122
123 @Override
124 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
125 // 结果码不等于取消时候
126 if (resultCode != RESULT_CANCELED) {
127 switch (requestCode) {
128 case IMAGE_REQUEST_CODE:
129 startPhotoZoom(data.getData());
130 break;
131 case CAMERA_REQUEST_CODE:
132 if (hasSdcard()) {
133 File tempFile = new File(Environment.getExternalStorageDirectory(),IMAGE_FILE_NAME);
134 startPhotoZoom(Uri.fromFile(tempFile));
135 } else {
136 showToast("未找到存储卡，无法存储照片！");
137 }
138
139 break;
140 case RESULT_REQUEST_CODE:
141 if (data != null) {
142 setImageToView(data);
143 }
144 break;
145 }
146 }
147 super.onActivityResult(requestCode, resultCode, data);
148 }
149
150 /**
151 * 裁剪图片方法实现
152 *
153 * @param uri
154 */
155 public void startPhotoZoom(Uri uri) {
156 if(uri==null){
157 Log.i("tag", "The uri is not exist.");
158 }
159 Intent intent = new Intent("com.android.camera.action.CROP");
160 intent.setDataAndType(uri, "image/*");
161 // 设置裁剪
162 intent.putExtra("crop", "true");
163 // aspectX aspectY 是宽高的比例
164 intent.putExtra("aspectX", 1);
165 intent.putExtra("aspectY", 1);
166 // outputX outputY 是裁剪图片宽高
167 intent.putExtra("outputX", 320);
168 intent.putExtra("outputY", 320);
169 intent.putExtra("return-data", true);
170 startActivityForResult(intent, 2);
171 }
172
173 /**
174 * 保存裁剪之后的图片数据
175 *
176 * @param picdata
177 */
178 private void setImageToView(Intent data) {
179 Bundle extras = data.getExtras();
180 if (extras != null) {
181 Bitmap photo = extras.getParcelable("data");
182 Drawable drawable = new BitmapDrawable(photo);
183
184 Calendar calendar = Calendar.getInstance();
185 String imgname = String.valueOf(calendar.getTimeInMillis());
186 filtPath = saveBitmapToSDCard(photo, imgname);
187 btn_crop.setBackgroundDrawable(drawable);
188 }
189 }
190
191
192
193 public String saveBitmapToSDCard(Bitmap bitmap,String imagename)
194 {
195 FileOutputStream fos = null;
196 try {
197 String filePath = SAVE_PIC_PATH+ "/beauty/images/img-"+imagename + ".png";
198 File file = new File(filePath);
199 if(!file.exists())
200 {
201 file.getParentFile().mkdirs();
202 file.createNewFile();
203 }
204 fos = new FileOutputStream(file);
205 if (fos != null) {
206 bitmap.compress(Bitmap.CompressFormat.PNG, 90, fos);
207 fos.close();
208
209 return filePath;
210 }
211 } catch (Exception e) {
212 e.printStackTrace();
213 return null;
214 }
215 return null;
216 }
217
218
219
220
221
222
223 }
