Android-实现简单照相与摄像

布局：

<span style="font-family:KaiTi_GB2312;font-size:18px;"><LinearLayout 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="启动拍照程序"
android:onClick="image"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="启动摄像程序"
android:onClick="video"
/>

</LinearLayout></span>

MainActivity.java

<span style="font-family:KaiTi_GB2312;font-size:18px;">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);
//将拍照文件放入intent
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "image1.jpg")));
startActivityForResult(intent, 10);
}

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);
//将摄像文件放入intent
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "video1.3gp")));
intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
startActivityForResult(intent, 20);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
if(requestCode == 10){
Toast.makeText(this, "拍照成功", 0).show();
}
else if(requestCode == 20){
Toast.makeText(this, "摄像成功", 0).show();
}
}
}</span>