本文實例講述了Android編程實現調用相冊、相機及拍照后直接裁剪的方法。分享給大家供大家參考，具體如下：

package com.cvte.health.phone;

import java.io.File;

import java.text.SimpleDateFormat;

import java.util.Date;

import android.app.Activity;

import android.content.ContentResolver;

import android.content.ContentUris;

import android.content.Intent;

import android.database.Cursor;

import android.graphics.Bitmap;

import android.graphics.drawable.Drawable;

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;

import com.cvte.health.AccountManager;

import com.cvte.health.HealthApplication;

import com.cvte.health.R;

import com.cvte.health.api.ImageUpdater;

import com.cvte.health.database.User;

public class ChangePortraitActivity extends Activity {

private ImageView mImageView;

private Button mButtonCamera;

private Button mButtonPhoto;

private Button mButtonBack;

private Button mButtonSave;

private User mUser = null;

private File mCurrentPhotoFile;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_change_portrait);

HealthApplication.getInstance().addActivity(this);

mUser = AccountManager.getInstance().getCurrentUser();

mImageView = (ImageView) this.findViewById(R.id.imageview_preview);

mButtonCamera = (Button) this.findViewById(R.id.button_cameraButton);

mButtonPhoto = (Button) this.findViewById(R.id.button_photoButton);

mButtonBack = (Button) findViewById(R.id.button_back);

mButtonSave = (Button) findViewById(R.id.button_save);

ImageUpdater.getInstance(this).updateUserPhoto(mUser, mImageView);

mButtonCamera.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");

mCurrentPhotoFile = new File("mnt/sdcard/DCIM/Camera/",

getPhotoFileName());

intent.putExtra(MediaStore.EXTRA_OUTPUT,

Uri.fromFile(mCurrentPhotoFile));

startActivityForResult(intent, Activity.DEFAULT_KEYS_DIALER);

/*

* Intent intent = new

* Intent("android.media.action.IMAGE_CAPTURE");

* intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new

* File(Environment .getExternalStorageDirectory(),

* "camera.jpg")));

* intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);

* startActivityForResult(intent, 10);

*/

}

});

mButtonPhoto.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

Intent intent = new Intent(Intent.ACTION_GET_CONTENT);

intent.addCategory(Intent.CATEGORY_OPENABLE);

intent.setType("image/*");

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

intent.putExtra("aspectX", 1);

intent.putExtra("aspectY", 1);

intent.putExtra("outputX", 300);

intent.putExtra("outputY", 300);

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

startActivityForResult(intent, 11);

}

});

mButtonBack.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

finish();

}

});

mButtonSave.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

Intent intent = new Intent(ChangePortraitActivity.this,

UserProfileActivity.class);

mImageView.setDrawingCacheEnabled(Boolean.TRUE);

intent.putExtra("BITMAP", mImageView.getDrawingCache()); // 這里可以放一個bitmap

startActivity(intent);

finish();

overridePendingTransition(R.anim.activity_in_from_left,

R.anim.activity_out_from_right);

}

});

}

@Override

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

if (requestCode == 10 && resultCode == Activity.RESULT_OK) {

mImageView.setImageDrawable(Drawable.createFromPath(new File(

Environment.getExternalStorageDirectory(), "camera.jpg")

.getAbsolutePath()));

} else if (requestCode == 11 && resultCode == Activity.RESULT_OK) {

Bitmap cameraBitmap = (Bitmap) data.getExtras().get("data");

mImageView.setImageBitmap(cameraBitmap);

} else if (requestCode == 1 && resultCode == Activity.RESULT_OK) {

Uri imgUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;

ContentResolver cr = ChangePortraitActivity.this

.getContentResolver();

Uri fileUri = Uri.fromFile(mCurrentPhotoFile);

sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE,

fileUri));

try {

Thread.sleep(3000);

} catch (InterruptedException e) {

e.printStackTrace();

}

Cursor cursor = cr.query(imgUri, null,

MediaStore.Images.Media.DISPLAY_NAME + "='"

+ mCurrentPhotoFile.getName() + "'", null, null);

Uri uri = null;

if (cursor != null && cursor.getCount() > 0) {

cursor.moveToLast();

long id = cursor.getLong(0);

uri = ContentUris.withAppendedId(imgUri, id);

}

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

intent.setDataAndType(uri, "image/*");

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

intent.putExtra("aspectX", 1);

intent.putExtra("aspectY", 1);

intent.putExtra("outputX", 300);

intent.putExtra("outputY", 300);

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

ChangePortraitActivity.this.startActivityForResult(intent, 3);

} else if (requestCode == 3 && resultCode == Activity.RESULT_OK) {

Bitmap cameraBitmap = (Bitmap) data.getExtras().get("data");

mImageView.setImageBitmap(cameraBitmap);

}

}

private String getPhotoFileName() {

Date date = new Date(System.currentTimeMillis());

SimpleDateFormat dateFormat = new SimpleDateFormat(

"'IMG'_yyyyMMdd_HHmmss");

return dateFormat.format(date) + ".jpg";

}

}

希望本文所述對大家Android程序設計有所幫助。

總結

以上是生活随笔為你收集整理的android编程 自动裁剪图片,Android编程实现调用相册、相机及拍照后直接裁剪的方法...的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。