android打开相关系统应用
1 Intent intent=new Intent(); 2 /*打开相册*/ 3 intent.setType("image/*"); 4 // 兼容4.4以下及4.4以上 5 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT) { 6 intent.setAction(Intent.ACTION_OPEN_DOCUMENT); 7 } else { 8 intent.setAction(Intent.ACTION_GET_CONTENT); 9 } 10 startActivityForResult(intent, ConstantValue.SELECT_PHOTO); 11 回调: 12 if (requestCode == ConstantValue.SELECT_PHOTO) { 13 Uri uri = data.getData(); 14 String path = ""; 15 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT) { 16 String wholeID = DocumentsContract.getDocumentId(uri); 17 String id = wholeID.split(":")[1]; 18 String[] column = { MediaStore.Images.Media.DATA }; 19 String sel = MediaStore.Images.Media._ID + "=?"; 20 Cursor cursor = context.getContentResolver().query( 21 MediaStore.Images.Media.EXTERNAL_CONTENT_URI, 22 column, sel, new String[] { id }, null); 23 int columnIndex = cursor.getColumnIndex(column[0]); 24 if (cursor.moveToFirst()) { 25 path = cursor.getString(columnIndex); 26 } 27 cursor.close(); 28 } else { 29 String[] projection = { MediaStore.Images.Media.DATA }; 30 Cursor cursor = context.getContentResolver().query(uri, 31 projection, null, null, null); 32 int column_index = cursor 33 .getColumnIndexOrThrow(MediaStore.Images.Media.DATA); 34 cursor.moveToFirst(); 35 path = cursor.getString(column_index); 36 cursor.close(); 37 } 38 uploadImage(path); 39 40 41 /*系统拍照保存到相应文件*/ 42 if (!Environment.getExternalStorageState().equals( 43 Environment.MEDIA_MOUNTED)) { 44 ToastUtils.showToast(ChatActivity.this, "请插入内存卡"); 45 } else { 46 Intent intent1 = new Intent( 47 "android.media.action.IMAGE_CAPTURE"); 48 File temFile = new File( 49 Environment.getExternalStorageDirectory() 50 + "/tempimg.jpg"); 51 if (temFile.exists()) 52 temFile.delete(); 53 intent1.putExtra(MediaStore.EXTRA_OUTPUT, 54 Uri.fromFile(temFile)); 55 startActivityForResult(intent1, ConstantValue.Take_PHOTO); 56 } 57 58 /*拍视频*/ 59 Intent intent1 = new Intent(MediaStore.ACTION_VIDEO_CAPTURE); 60 // intent1.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 61 // 1); 62 // 设置视频大小 63 intent1.putExtra(android.provider.MediaStore.EXTRA_SIZE_LIMIT, 64 768000); 65 // 设置视频时间 毫秒单位 66 intent1.putExtra( 67 android.provider.MediaStore.EXTRA_DURATION_LIMIT, 15000); 68 File temVdeioFile = new File( 69 Environment.getExternalStorageDirectory() 70 + "/tempvdeio.mp4"); 71 if (temVdeioFile.exists()) 72 temVdeioFile.delete(); 73 intent1.putExtra(MediaStore.EXTRA_OUTPUT, 74 Uri.fromFile(temVdeioFile)); 75 startActivityForResult(intent1, ConstantValue.Take_VEDIO);
/*打电话*/
Intent phoneIntent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:"
+ phone));
phoneIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(phoneIntent);