宗弋莆,热鸟网,王瀚lucio
import java.io.bytearrayoutputstream;
import java.io.file;
import android.app.activity;
import android.content.intent;
import android.graphics.bitmap;
import android.net.uri;
import android.os.bundle;
import android.os.environment;
import android.provider.mediastore;
import android.view.view;
import android.view.view.onclicklistener;
import android.widget.button;
import android.widget.imageview;
public class photoactivity extends activity {
public static final int none = 0;
public static final int photohraph = 1;// 拍照
public static final int photozoom = 2; // 缩放
public static final int photoresoult = 3;// 结果
public static final string image_unspecified = "image/*";
imageview imageview = null;
button button0 = null;
button button1 = null;
@override
public void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.photo);
imageview = (imageview) findviewbyid(r.id.imageid);
button0 = (button) findviewbyid(r.id.btn_01);
button1 = (button) findviewbyid(r.id.btn_02);
button0.setonclicklistener(new onclicklistener() {
@override
public void onclick(view v) {
intent intent = new intent(intent.action_pick, null);
intent.setdataandtype(
mediastore.images.media.external_content_uri,
image_unspecified);
startactivityforresult(intent, photozoom);
}
});
button1.setonclicklistener(new onclicklistener() {
@override
public void onclick(view v) {
intent intent = new intent(mediastore.action_image_capture);
intent.putextra(mediastore.extra_output, uri.fromfile(new file(
environment.getexternalstoragedirectory(), "temp.jpg")));
startactivityforresult(intent, photohraph);
}
});
}
@override
protected void onactivityresult(int requestcode, int resultcode, intent data) {
if (resultcode == none)
return;
// 拍照
if (requestcode == photohraph) {
// 设置文件保存路径这里放在跟目录下
file picture = new file(environment.getexternalstoragedirectory()
+ "/temp.jpg");
startphotozoom(uri.fromfile(picture));
}
if (data == null)
return;
// 读取相册缩放图片
if (requestcode == photozoom) {
startphotozoom(data.getdata());
}
// 处理结果
if (requestcode == photoresoult) {
bundle extras = data.getextras();
if (extras != null) {
bitmap photo = extras.getparcelable("data");
bytearrayoutputstream stream = new bytearrayoutputstream();
photo.compress(bitmap.compressformat.jpeg, 75, stream);// (0 -
// 100)压缩文件
imageview.setimagebitmap(photo);
}
}
super.onactivityresult(requestcode, resultcode, data);
}
public void startphotozoom(uri uri) {
intent intent = new intent("com.android.camera.action.crop");
intent.setdataandtype(uri, image_unspecified);
intent.putextra("crop", "true");
// aspectx aspecty 是宽高的比例
intent.putextra("aspectx", 1);
intent.putextra("aspecty", 1);
// outputx outputy 是裁剪图片宽�?
intent.putextra("outputx", 64);
intent.putextra("outputy", 64);
intent.putextra("return-data", true);
startactivityforresult(intent, photoresoult);
}
}
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