package com.xypower.mppreview; import androidx.appcompat.app.AppCompatActivity; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.Switch; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ((Button)findViewById(R.id.channel1)).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { takePhoto(1); } }); ((Button)findViewById(R.id.channel2)).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { takePhoto(2); } }); ((Button)findViewById(R.id.channel3)).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { takePhoto(3); } }); } protected void takePhoto(int channel) { Switch hdrSwitch = (Switch) findViewById(R.id.hdr); takePhoto(channel, hdrSwitch.isChecked()); } protected void takePhoto(int channel, boolean hdr) { int cameraId = channel - 1; if (channel == 1 && hdr) { cameraId = 1; } Intent intent = new Intent(MainActivity.this, CameraActivity.class); intent.putExtra("cameraId", cameraId); startActivity(intent); } }