app/src/main/java/ai/pai/ptp/test/MyTestActivity.java

@@ -45,14 +45,20 @@ public class MyTestActivity extends Activity implements Camera.CameraListener {

                         findViewById(R.id.btn_get_devece_info).setOnClickListener(new View.OnClickListener() {
              

                             @Override
              

                             public void onClick(View v) {
              

                -
              

                +                if(camera!=null){
              

                +                    adapter.addInfo(camera.getDeviceInfo());
              

                +                }else{
              

                +                    adapter.addInfo("未发现相机设备");
              

                +                }
              

                             }
              

                         });
              

                 
              

                         findViewById(R.id.btn_get_photo).setOnClickListener(new View.OnClickListener() {
              

                             @Override
              

                             public void onClick(View v) {
              

                -
              

                +                if(camera!=null){
              

                +                    camera.capture();
              

                +                }
              

                             }
              

                         });
              

                     }