文件上传hfs服务器
1。添加依赖
implementation ‘com.squareup.okhttp3:okhttp:3.12.1’
2。添加读写SD卡权限
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"></uses-permission>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
3。代码
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private Button bt_upload;
Handler handler=new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
if (msg.what==101){
Toast.makeText(MainActivity.this, "101"+msg.obj.toString(), Toast.LENGTH_SHORT).show();
}else if (msg.what==102){
Toast.makeText(MainActivity.this, "102"+