60.拍照和摄像

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="拍照" 
        android:onClick="image"
        />
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="摄像" 
        android:onClick="video"
        />
</RelativeLayout>

MainActivity.java

package com.ldw.camera;

import java.io.File;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.view.View;
import android.widget.Toast;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
    
    public void image(View v){
    	//启动系统提供的拍照activity
    	Intent intent = new Intent();
    	intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
    	intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "5.jpg")));
    	startActivityForResult(intent, 10);
    }
    
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data){
    	super.onActivityResult(requestCode, resultCode, data);
    	if(requestCode == 10){
    		Toast.makeText(this, "拍照", Toast.LENGTH_SHORT);
    	}
    	else if(requestCode == 20){
    		Toast.makeText(this, "摄像", Toast.LENGTH_SHORT);
    	}
    }
    
    public void video(View v){
    	//启动系统提供的摄像activity
    	Intent intent = new Intent();
    	intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
    	intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "5.jpg")));
    	//拍照质量
    	intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
    	startActivityForResult(intent, 20);
    }
    
}