1、拨打电话功能实现
Intent intent = new Intent(); intent.setAction("android.intent.action.CALL"); intent.setData(Uri.parse("tel:"+ number)); startActivity(intent);
权限:
<uses-permission android:name="android.permission.CALL_PHONE"/>
2、发送短信功能实现
SmsManager manager = SmsManager.getDefault(); ArrayList<String> texts = manager.divideMessage(content); for(String text : texts){ manager.sendTextMessage(number, null, text, null, null); }
权限:
<uses-permission android:name="android.permission.SEND_SMS"/>
3、保存文件到SDcard上面
//判断SDCard是否存在,并且可以读写 if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){ File file = new File(Environment.getExternalStorageDirectory(), filename); FileOutputStream outStream = new FileOutputStream(file); outStream.write(content.getBytes()); outStream.close(); }
权限:
<!-- 在SDCard中创建与删除文件权限 --> <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/> <!-- 往SDCard写入数据权限 --> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
此博客会不断更新,将工作中所用到的可复用代码更新在博客中,以备查询。