android 拍照和上传

package com.droidstouch.takephoto;

002

003 import java.io.ByteArrayOutputStream;

004

005 import java.io.File;

006 import android.app.Activity;

007 import android.content.Intent;

008 import android.graphics.Bitmap;

009 import android.net.Uri;

010 import android.os.Bundle;

011 import android.os.Environment;

012 import android.provider.MediaStore;

013 import android.view.View;

014 import android.view.View.OnClickListener;

015 import android.widget.Button;

016 import android.widget.ImageView;

017

018 public class PhotoActivity extends Activity {

019 public static final int NONE = 0;

020

021 public static final int PHOTOHRAPH = 1;// 拍照

022

023 public static final int PHOTOZOOM = 2; // 缩放

024

025 public static final int PHOTORESOULT = 3;// 结果

026

027 public static final String IMAGE_UNSPECIFIED = "image/*";

028

029 ImageView imageView = null;

030

031 Button button0 = null;

032

033 Button button1 = null;

034

035 @Override

036 public void onCreate(Bundle savedInstanceState) {

037

038 super.onCreate(savedInstanceState);

039

040 setContentView(R.layout.photo);

041

042 imageView = (ImageView) findViewById(R.id.imageID);

043

044 button0 = (Button) findViewById(R.id.btn_01);

045

046 button1 = (Button) findViewById(R.id.btn_02);

047

048 button0.setOnClickListener(new OnClickListener() {

049

050 @Override

051 public void onClick(View v) {

052

053 Intent intent = new Intent(Intent.ACTION_PICK, null);

054

055 intent.setDataAndType(

056 MediaStore.Images.Media.EXTERNAL_CONTENT_URI,

057 IMAGE_UNSPECIFIED);

058

059 startActivityForResult(intent, PHOTOZOOM);

060

061 }

062

063 });

064

065 button1.setOnClickListener(new OnClickListener() {

066

067 @Override

068 public void onClick(View v) {

069

070 Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

071

072 intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(

073 Environment.getExternalStorageDirectory(), "temp.jpg")));

074

075 startActivityForResult(intent, PHOTOHRAPH);

076

077 }

078

079 });

080

081 }

082

083 @Override

084 protected void onActivityResult(int requestCode, int resultCode, Intent data) {

085

086 if (resultCode == NONE)

087

088 return;

089

090 // 拍照

091

092 if (requestCode == PHOTOHRAPH) {

093

094 // 设置文件保存路径这里放在跟目录下

095

096 File picture = new File(Environment.getExternalStorageDirectory()

097 + "/temp.jpg");

098

099 startPhotoZoom(Uri.fromFile(picture));

100

101 }

102

103 if (data == null)

104

105 return;

106

107 // 读取相册缩放图片

108

109 if (requestCode == PHOTOZOOM) {

110

111 startPhotoZoom(data.getData());

112

113 }

114

115 // 处理结果

116

117 if (requestCode == PHOTORESOULT) {

118

119 Bundle extras = data.getExtras();

120

121 if (extras != null) {

122

123 Bitmap photo = extras.getParcelable("data");

124

125 ByteArrayOutputStream stream = new ByteArrayOutputStream();

126

127 photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 -

128 // 100)压缩文件

129

130 imageView.setImageBitmap(photo);

131

132 }

133

134 }

135

136 super.onActivityResult(requestCode, resultCode, data);

137

138 }

139

140 public void startPhotoZoom(Uri uri) {

141

142 Intent intent = new Intent("com.android.camera.action.CROP");

143

144 intent.setDataAndType(uri, IMAGE_UNSPECIFIED);

145

146 intent.putExtra("crop", "true");

147

148 // aspectX aspectY 是宽高的比例

149

150 intent.putExtra("aspectX", 1);

151

152 intent.putExtra("aspectY", 1);

153

154 // outputX outputY 是裁剪图片宽�?

155

156 intent.putExtra("outputX", 64);

157

158 intent.putExtra("outputY", 64);

159

160 intent.putExtra("return-data", true);

161

162 startActivityForResult(intent, PHOTORESOULT);

163

164 }

165 }

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