这是我第一次在stackoverflow中提问，并使用相机应用程序制作一个Android应用程序。
我试图在android开发页面中使用源代码，但它失败了。 感谢您阅读我的帖子。
package com.examplehoon.gnibnumb;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import java.io.File;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
static final int REQUEST_IMAGE_CAPTURE = 1;
String mCurrentPhotoPath;
static final int REQUEST_TAKE_PHOTO = 1;
private File createImageFile() throws IOException {
// Create an image file name
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
String imageFileName = "JPEG_" + timeStamp + "_";
File storageDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_PICTURES);
File image = File.createTempFile(
imageFileName, /* prefix */
".jpg", /* suffix */
storageDir /* directory */
);
// Save a file: path for use with ACTION_VIEW intents
mCurrentPhotoPath = "file:" + image.getAbsolutePath();
return image;
}
private void dispatchTakePictureIntent() {
// Create the File where the photo should go
File photoFile = null;
try {
photoFile = createImageFile();
} catch (IOException ex) {
// Error occurred while creating the File
}
// Continue only if the File was successfully created
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
Uri outputFileUri = Uri.fromFile(photoFile);
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
startActivityForResult(takePictureIntent, REQUEST_TAKE_PHOTO);
}
public void startClicked(View view) throws IOException, InterruptedException{
for(int i = 0; i<10; i++){
thd.run();
thd.sleep(5000);
}
}
public class Top implements Runnable{
public void run() {
dispatchTakePictureIntent();
}
}
Top t = new Top();
Thread thd = new Thread(t);
}