华为Mate9熄屏快拍怎么设置？华为Mate9熄屏快拍方法

publicclassTakePhotosextendsActivityimplements

android.view.View.OnClickListener {

Button takePhoto;

Bitmap photo;

String picPath;

Button capture;

@Override

protectedvoidonCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_photo);

takePhoto = (Button) findViewById(R.id.button1);

capture = (Button) findViewById(R.id.capture);

takePhoto.setOnClickListener(this);

capture.setOnClickListener(this);

}

@Override

publicvoidonClick(View viewid) {

switch(viewid.getId()) {

caseR.id.button1: {// 打开相机

String state = Environment.getExternalStorageState();// 获取内存卡可用状态

if(state.equals(Environment.MEDIA_MOUNTED)) {

// 内存卡状态可用

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

startActivityForResult(intent,1);

}else{

// 不可用

Toast.makeText(TakePhotos.this,"内存不可用", Toast.LENGTH_LONG)

.show();

}

break;

}

caseR.id.capture: {// 打开相册

// 打开本地相册

Intent i =newIntent(

Intent.ACTION_PICK,

android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);

// 设定结果返回

startActivityForResult(i,2);

break;

}

default:

break;

}

}

@Override

protectedvoidonActivityResult(intrequestCode,intresultCode, Intent data) {

// TODO Auto-generated method stub

super.onActivityResult(requestCode, resultCode, data);

if(data !=null) {

switch(requestCode) {

case1:

// 两种方式 获取拍好的图片

if(data.getData() !=null|| data.getExtras() !=null) {// 防止没有返回结果

Uri uri = data.getData();

if(uri !=null) {

this.photo = BitmapFactory.decodeFile(uri.getPath());// 拿到图片

}

if(photo ==null) {

Bundle bundle = data.getExtras();

if(bundle !=null) {

photo = (Bitmap) bundle.get("data");

FileOutputStream fileOutputStream =null;

try{

// 获取 SD 卡根目录 生成图片并

String saveDir = Environment

.getExternalStorageDirectory()

+"/dhj_Photos";

// 新建目录

File dir =newFile(saveDir);

if(!dir.exists())

dir.mkdir();

// 生成文件名

SimpleDateFormat t =newSimpleDateFormat(

"yyyyMMddssSSS");

String filename ="MT"+ (t.format(newDate()))

+".jpg";

// 新建文件

File file =newFile(saveDir, filename);

// 打开文件输出流

fileOutputStream =newFileOutputStream(file);

// 生成图片文件

this.photo.compress(Bitmap.CompressFormat.JPEG,

100, fileOutputStream);

// 相片的完整路径

this.picPath = file.getPath();

ImageView imageView = (ImageView) findViewById(R.id.imageView1);

imageView.setImageBitmap(this.photo);

}catch(Exception e) {

e.printStackTrace();

}finally{

if(fileOutputStream !=null) {

try{

fileOutputStream.close();

}catch(Exception e) {

e.printStackTrace();

}

}

}

Toast.makeText(getApplicationContext(),"获取到了",

Toast.LENGTH_SHORT).show();

}else{

Toast.makeText(getApplicationContext(),"找不到图片",

Toast.LENGTH_SHORT).show();

}

}

}

break;

case2: {

//打开相册并选择照片，这个方式选择单张

// 获取返回的数据，这里是android自定义的Uri地址

Uri selectedImage = data.getData();

String[] filePathColumn = { MediaStore.Images.Media.DATA };

// 获取选择照片的数据视图

Cursor cursor = getContentResolver().query(selectedImage,

filePathColumn,null,null,null);

cursor.moveToFirst();

// 从数据视图中获取已选择图片的路径

intcolumnIndex = cursor.getColumnIndex(filePathColumn[0]);

String picturePath = cursor.getString(columnIndex);

cursor.close();

// 将图片显示到界面上

ImageView imageView = (ImageView) findViewById(R.id.imageView1);

imageView.setImageBitmap(BitmapFactory.decodeFile(picturePath));

break;

}

default:

break;

}

}

}

}