1+ package com .jingewenku .abrahamcaijin .commonutil ;
2+
3+ import android .app .Activity ;
4+ import android .content .Intent ;
5+ import android .graphics .Bitmap ;
6+ import android .net .Uri ;
7+ import android .provider .MediaStore ;
8+
9+ /**
10+ * @Description:主要功能:系统媒体管理工具类
11+ * @Prject: CommonUtilLibrary
12+ * @Package: com.jingewenku.abrahamcaijin.commonutil
13+ * @author: AbrahamCaiJin
14+ * @date: 2017年06月01日 11:11
15+ * @Copyright: 个人版权所有
16+ * @Company:
17+ * @version: 1.0.0
18+ */
19+
20+ public class MediaUtil {
21+
22+ private static final String TAG = MediaUtil .class .getSimpleName ();
23+
24+ public static final int PHOTO_REQUEST_GALLERY = 1000 ;
25+ public static final int PHOTO_REQUEST_CAMERA = 1001 ;
26+ public static final int PHOTO_REQUEST_CUT = 1002 ;
27+
28+ /**
29+ * 进入系统拍照
30+ * @param activity
31+ * @param outputUri 照片输出路径 Uri.fromFile(new File(Environment.getExternalStorageDirectory() + "/image.jpg"))
32+ */
33+ public static void startActivityForCamera (Activity activity , int requestCode , Uri outputUri ) {
34+ Intent intent = new Intent (MediaStore .ACTION_IMAGE_CAPTURE );
35+ intent .addCategory (Intent .CATEGORY_DEFAULT );
36+ // 制定图片保存路径
37+ intent .putExtra (MediaStore .EXTRA_OUTPUT , outputUri );
38+ activity .startActivityForResult (intent , requestCode );
39+ }
40+
41+ /**
42+ * 进入系统拍照 (输出为Bitmap)<br>
43+ *
44+ * 获得输出
45+ * 在 @<code>onActivityResult</code>中<br>
46+ * 通过@<code>Bitmap bitmap = (Bitmap)intent.data.getExtras().get("data")</code>获取<br>
47+ *
48+ * Tips: 返回的Bitmap并非原图的Bitmap而是经过压缩的Bitmap
49+ * @param activity
50+ *
51+ */
52+ public static void startActivityForCamera (Activity activity , int requestCode ) {
53+ Intent intent = new Intent (MediaStore .ACTION_IMAGE_CAPTURE );
54+ intent .addCategory (Intent .CATEGORY_DEFAULT );
55+ activity .startActivityForResult (intent , requestCode );
56+ }
57+
58+ /**
59+ * 进入系统图库<br>
60+ * 获得输出<br>
61+ * 在 @<code>onActivityResult</code>中通过@<code>Uri uri = intent.getData()</code>获取<br>
62+ * Uri返回路径格式为 content://media/external/images/media/32073<br>
63+ * 需要经过转换才能获得绝对路径
64+ * @param activity
65+ */
66+ public static void startActivityForGallery (Activity activity , int requestCode ) {
67+ // 弹出系统图库
68+ Intent i = new Intent (Intent .ACTION_PICK ,
69+ MediaStore .Images .Media .EXTERNAL_CONTENT_URI );
70+ activity .startActivityForResult (i , requestCode );
71+ }
72+
73+ /**
74+ * 进入系统裁剪
75+ * @param inputUri 需裁剪的图片路径 Uri.fromFile(new File(Environment.getExternalStorageDirectory() + "/image.jpg")
76+ * @param outputUri 裁剪后图片路径 Uri.fromFile(new File(Environment.getExternalStorageDirectory() + "/image_cut.jpg")
77+ * @param width 裁剪后宽度(px)
78+ * @param height 裁剪后高度(px)
79+ */
80+ public static void startActivityForImageCut (Activity activity , int requestCode ,
81+ Uri inputUri , Uri outputUri ,
82+ int width , int height ) {
83+ Intent intent = new Intent ("com.android.camera.action.CROP" );
84+ intent .setDataAndType (inputUri , "image/*" );
85+ // 下面这个crop=true是设置在开启的Intent中设置显示的VIEW可裁剪
86+ intent .putExtra ("crop" , "true" );
87+ intent .putExtra ("scale" , true ); // 去黑边
88+ intent .putExtra ("scaleUpIfNeeded" , true ); // 去黑边
89+ // aspectX aspectY 裁剪框宽高比例
90+ intent .putExtra ("aspectX" , width ); // 输出是X方向的比例
91+ intent .putExtra ("aspectY" , height );
92+ // outputX outputY 输出图片宽高，切忌不要再改动下列数字，会卡死
93+ intent .putExtra ("outputX" , width ); // 输出X方向的像素
94+ intent .putExtra ("outputY" , height );
95+ intent .putExtra ("outputFormat" , Bitmap .CompressFormat .JPEG .toString ());
96+ intent .putExtra ("noFaceDetection" , true );
97+ intent .putExtra (MediaStore .EXTRA_OUTPUT , outputUri );
98+ intent .putExtra ("return-data" , false ); // 设置为不返回数据
99+ activity .startActivityForResult (intent , requestCode );
100+ }
101+ }
0 commit comments