简易android手电筒app

[1].[文件] FlashLight.zip ~ 1006KB    下载(376) 跳至 [1] [2]

[2].[代码] [Java]代码 跳至 [1] [2]

package com.syl.flashlight;

import android.hardware.Camera;
import android.hardware.Camera.Parameters;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity {
    private Button open;
    private Button close;
    private Camera camera;
    private boolean isopen = false ;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super .onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        open = (Button)findViewById(R.id.openBT);
        close = (Button)findViewById(R.id.closeBT);
        open.setOnClickListener( new MyOnClickListener());
        close.setOnClickListener( new MyOnClickListener());
    }

    private class MyOnClickListener implements OnClickListener {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub
            switch (v.getId()) {
            case R.id.openBT:
                camera = Camera.open();
                Parameters params = camera.getParameters();
                params.setFlashMode(Parameters.FLASH_MODE_TORCH);
                camera.setParameters(params);
                camera.startPreview();
                break ;
            case R.id.closeBT:
                camera.stopPreview();
                camera.release();
                break ;
            }
        }

    }

}