本文实例讲述了Android编程实现调用相册,相机及拍照后直接裁剪的方法。分享给大家供大家参考,具体如下:
包com.cvte.health.phone;
进口java.io.File;
进口java.text.SimpleDateFormat;
进口java.util.Date;
进口android.app.Activity;
进口android.content.ContentResolver;
进口android.content.ContentUris;
进口android.content.Intent;
进口android.database.Cursor;
进口android.graphics.Bitmap;
进口android.graphics.drawable.Drawable;
进口android.net.Uri;
进口android.os.Bundle;
进口android.os.Environment;
进口android.provider.MediaStore;
进口android.view.View;
进口android.view.View.OnClickListener;
进口android.widget.Button;
进口android.widget.ImageView;
进口com.cvte.health.AccountManager;
进口com.cvte.health.HealthApplication;
进口com.cvte.health.R;
进口com.cvte.health.api.ImageUpdater;
进口com.cvte.health.database.User;
公开课ChangePortraitActivity延伸活动{
私人ImageView mImageView;
私人按钮mButtonCamera;
私人按钮mButtonPhoto;
私人按钮mButtonBack;
私人按钮mButtonSave;
私人用户沉思者=零;
私人文件mCurrentPhotoFile;
@Override
公共空间onCreate(包savedInstanceState) {
super.onCreate (savedInstanceState);
setContentView (R.layout.activity_change_portrait);
.addActivity HealthApplication.getInstance () ();
沉思者=AccountManager.getInstance () .getCurrentUser ();
mImageView=(ImageView) this.findViewById (R.id.imageview_preview);
mButtonCamera=(按钮)this.findViewById (R.id.button_cameraButton);
mButtonPhoto=(按钮)this.findViewById (R.id.button_photoButton);
mButtonBack=(按钮)findViewById (R.id.button_back);
mButtonSave=(按钮)findViewById (R.id.button_save);
ImageUpdater.getInstance(这个)。updateUserPhoto(沉思者,mImageView);
mButtonCamera。setOnClickListener OnClickListener(新(){
@Override
公共空间onClick(查看v) {
目的意图=new意图(“android.media.action.IMAGE_CAPTURE”);
mCurrentPhotoFile=新文件(“mnt/sdcard/DCIM/相机/?
getPhotoFileName ());
intent.putExtra (MediaStore.EXTRA_OUTPUT
Uri.fromFile (mCurrentPhotoFile));
startActivityForResult(意图,Activity.DEFAULT_KEYS_DIALER);/*
*=new目的意图
*意图(“android.media.action.IMAGE_CAPTURE”);
* intent.putExtra (MediaStore。EXTRA_OUTPUT Uri.fromFile(新
*文件(环境.getExternalStorageDirectory (),
*“camera.jpg”)));
* intent.putExtra (MediaStore。EXTRA_VIDEO_QUALITY, 0);
* startActivityForResult(意图,10);
*/}
});
mButtonPhoto。setOnClickListener OnClickListener(新(){
@Override
公共空间onClick(查看v) {
目的意图=new意图(Intent.ACTION_GET_CONTENT);
intent.addCategory (Intent.CATEGORY_OPENABLE);
intent.setType(“图像/*”);
意图。putExtra(“作物”,“真正的”);
意图。putExtra (" aspectX ", 1);
意图。putExtra (" aspectY ", 1);
意图。putExtra (“outputX ", 300);
意图。putExtra (“outputY ", 300);
意图。putExtra(“返回数据”,真正的);
startActivityForResult(意图,11);
}
});
mButtonBack。setOnClickListener OnClickListener(新(){
@Override
公共空间onClick(查看v) {
完成();
}
});
mButtonSave。setOnClickListener OnClickListener(新(){
@Override
公共空间onClick(查看v) {
目的意图=new意图(ChangePortraitActivity.this
UserProfileActivity.class);
mImageView.setDrawingCacheEnabled (Boolean.TRUE);
意图。putExtra(“位图”,mImageView.getDrawingCache ());//这里可以放一个位图
startActivity(意图);
完成();
overridePendingTransition (R.anim.activity_in_from_left
R.anim.activity_out_from_right);
}
});
}
@Override
保护无效onActivityResult (int, int requestCode resultCode,意图数据){
如果(requestCode==10,,resultCode==Activity.RESULT_OK) {
mImageView.setImageDrawable(可拉的。createFromPath(新文件(
Environment.getExternalStorageDirectory (),“camera.jpg”)
.getAbsolutePath ()));
}else if (requestCode==11,,resultCode==Activity.RESULT_OK) {
位图cameraBitmap=(位图)data.getExtras () . get("数据");
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(新意图(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE
fileUri));
尝试{
thread . sleep (3000);
}捕捉(InterruptedException e) {
e.printStackTrace ();
}
鼠标光标=cr.query (imgUri、零
MediaStore.Images.Media。DISPLAY_NAME +“=?
+ mCurrentPhotoFile.getName () + " ", null, null);
Uri Uri=零;
如果光标!=零,,cursor.getCount()比;0){
cursor.moveToLast ();
长id=cursor.getLong (0);
uri=ContentUris。withAppendedId (imgUri、身份证);
}
最终目的意图=new意图(“com.android.camera.action.CROP”);
意图。setDataAndType (uri,“图像/*”);
意图。putExtra(“作物”,“真正的”);
意图。putExtra (" aspectX ", 1);
意图。putExtra (" aspectY ", 1);
意图。putExtra (“outputX ", 300);
意图。putExtra (“outputY ", 300);
意图。putExtra(“返回数据”,真正的);
ChangePortraitActivity.this。startActivityForResult(意图,3);
}else if (requestCode==3,,resultCode==Activity.RESULT_OK) {
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