拍照剪切and获取sd卡中的图片
package com.truekey.alarmclock.user;
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import java.io.File;
import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.RelativeLayout.LayoutParams;
import android.widget.TextView;
import com.truekey.alarmclock.R;
public class UserInfoActivity extends Activity {
ImageView user_header_p_w_picpath;
Dialog pictureDialog;
View pictureView;
Button takePictureBtn, allPicture, cancle;
private static final int SCALE = 15;// 照片缩小比例
String imgBase64;
String fileName = null;
ImageView iv_title_left, iv_title_right;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.user_info_layout);
iv_title_right = (ImageView) findViewById(R.id.iv_title_right);
iv_title_left = (ImageView) findViewById(R.id.iv_title_left);
user_header_p_w_picpath = (ImageView) findViewById(R.id.user_header_p_w_picpath);
TextView nicheng_tv = (TextView) findViewById(R.id.nicheng_tv);
pictureDialog();
}
public void onClick(View v) {
switch (v.getId()) {
case R.id.user_header_p_w_picpath:
pictureDialog.show();
pictureDialog.getWindow().setLayout(LayoutParams.MATCH_PARENT,
LayoutParams.WRAP_CONTENT);
break;
case R.id.iv_title_right:
finish();
overridePendingTransition(R.anim.home_main_last_twoactivity_out,
R.anim.ptr_slide_out_to_bottom);
break;
case R.id.iv_title_left:
finish();
overridePendingTransition(R.anim.home_main_last_twoactivity_in,
R.anim.ptr_slide_out_to_bottom);
default:
break;
}
}
// 拍照布局
public void pictureDialog() {
pictureView = LayoutInflater.from(UserInfoActivity.this).inflate(
R.layout.takepicture_dialog, null);
cancle = (Button) pictureView.findViewById(R.id.cancle);
takePictureBtn = (Button) pictureView.findViewById(R.id.take_picture);
takePictureBtn.setOnClickListener(new ButtonOnClickListener());
// 所有的图片选取。。
allPicture = (Button) pictureView.findViewById(R.id.all_picture);
// 所有图片
allPicture.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, "p_w_picpath/*");
startActivityForResult(intent, 1);
}
});
// 取消
cancle.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
pictureDialog.dismiss();
}
});
if (pictureView != null) {
/* 自定义对话框 */
pictureDialog = new Dialog(this, R.style.mydialog);
pictureDialog.setContentView(pictureView);
pictureDialog.setCancelable(false);
Window window = pictureDialog.getWindow();
window.setWindowAnimations(R.style.AlterDialogAnima);
window.setGravity(Gravity.BOTTOM);
}
}
public final static int CAMERA_RESULT = 8888;
// 拍照获取图片
private class ButtonOnClickListener implements View.OnClickListener {
@Override
public void onClick(View v) {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
// 下面这句指定调用相机拍照后的照片存储的路径
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(
Environment.getExternalStorageDirectory(), "xiaoma.jpg")));
startActivityForResult(intent, 2);
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK) {
switch (requestCode) {
case 1:
startPhotoZoom(data.getData());
break;
// 如果是调用相机拍照时
case 2:
File temp = new File(Environment.getExternalStorageDirectory()
+ "/xiaoma.jpg");
startPhotoZoom(Uri.fromFile(temp));
break;
// 取得裁剪后的图片
case 3:
/**
* 非空判断大家一定要验证，如果不验证的话， 在剪裁之后如果发现不满意，要重新裁剪，丢弃
* 当前功能时，会报NullException，小马只 在这个地方加下，大家可以根据不同情况在合适的 地方做判断处理类似情况
*
*/
if (data != null) {
setPicToView(data);
}
break;
default:
break;
}
}
}
/**
* 裁剪图片方法实现
*
* @param uri
*/
public void startPhotoZoom(Uri uri) {
Intent intent = new Intent("com.android.camera.action.CROP");
intent.setDataAndType(uri, "p_w_picpath/*");
// 下面这个crop=true是设置在开启的Intent中设置显示的VIEW可裁剪
intent.putExtra("crop", "true");
// aspectX aspectY 是宽高的比例
intent.putExtra("aspectX", 1);
intent.putExtra("aspectY", 1);
// outputX outputY 是裁剪图片宽高
intent.putExtra("outputX", 150);
intent.putExtra("outputY", 150);
intent.putExtra("return-data", true);
startActivityForResult(intent, 3);
}
/**
* 保存裁剪之后的图片数据
*
* @param picdata
*/
private void setPicToView(Intent picdata) {
Bundle extras = picdata.getExtras();
if (extras != null) {
Bitmap photo = extras.getParcelable("data");
Drawable drawable = new BitmapDrawable(photo);
pictureDialog.dismiss();
// 为防止原始图片过大导致内存溢出，这里先缩小原图显示，然后释放原始Bitmap占用的内存
Bitmap choosepicture = ImageTools.toRoundBitmap2(photo);
// 释放原始图片占用的内存，防止out of memory异常发生
photo.recycle();
user_header_p_w_picpath.setImageBitmap(choosepicture);
}
}
// 用于保存图片
public void putSharedpreference(String takepicture) {
SharedPreferences shared = getSharedPreferences("temp",
Context.MODE_PRIVATE);
SharedPreferences.Editor edit = shared.edit();
edit.putString("picture", takepicture);
edit.commit();
}
public String getSharedpreference() {
SharedPreferences shared = getSharedPreferences("temp",
Context.MODE_PRIVATE);
return shared.getString("picture", "");
}
@Override
protected void onDestroy() {
super.onDestroy();
putSharedpreference(fileName);
}
@Override
protected void onResume() {
super.onResume();
}
}
文章名称：拍照剪切and获取sd卡中的图片
转载来源：http://6mz.cn/article/ppicoi.html