关于setOnClickListener的问题，加粗部分报错老是报错啊

Question

package com.example.app1;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.IOException;

import android.app.Activity;

import android.content.Intent;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.net.Uri;

import android.os.Bundle;

import android.os.Environment;

import android.provider.MediaStore;

import android.view.Menu;

import android.view.MenuItem;

import android.widget.Button;

import android.widget.ImageView;

public class MainActivity extends Activity {

public static final int TAKE_PHOTO = 1;

public static final int CROP_PHOTO = 1;

private ImageView picture;

private Uri imageUri;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

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

        picture = (ImageView) findViewById(R.id.picture);

        button1.setOnClickListener(new OnClickListnenr() {

        @Override

        public void onClick(View v) {

        //创建file对象，用于存储拍照后的图片

        File outputImage = new File(Environment.

        getExternalStorageDirectory(),"output_image.jpg");

        try{

        if (outputImage.exists()){

        outputImage.delete();

        }

        outputImage.createNewFile();

        } catch (IOException e) {

        e.printStackTrace();

        }

        imageUri = Uri.fromFile(outputImage);

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

        intent.putExtra(MediaStore.EXTRA_OUTPUT,imageUri);

        startActivityForResult(intent,TAKE_PHOTO);//启动相机程序

        }

        });

    }

    @Override

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

    switch (requestCode){

    case TAKE_PHOTO:

    if (resultCode == RESULT_OK) {

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

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

    intent.putExtra("scale",true);

    intent.putExtra(MediaStore.EXTRA_OUTPUT,imageUri);

    startActivityForResult(intent,CROP_PHOTO); //启动裁剪程序

    }

    break;

    case CROP_PHOTO:

    if (resultCode == RESULT_OK) {

    try{

    Bitmap bitmap = BitmapFactory.decodeStream

(getContentResolver().openInputStream(imageUri));

    picture.setImageBitmap(bitmap);//将裁剪后的照片显示出来

    } catch(FileNotFoundException e){

    e.printStackTrace();

    }

    }

    break;

    default:

    break;

    }

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.main, menu);

        return true;

    }

    @Override

    public boolean onOptionsItemSelected(MenuItem item) {

        // Handle action bar item clicks here. The action bar will

        // automatically handle clicks on the Home/Up button, so long

        // as you specify a parent activity in AndroidManifest.xml.

        int id = item.getItemId();

        if (id == R.id.action_settings) {

            return true;

        }

        return super.onOptionsItemSelected(item);

    }

}

Answer 1

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Answer 2

看你的导入包的代码部分是好像少了：import android.view.View.OnClickListener;。具体什么错误，你贴个错误来看看。帮你准确定位。

Answer 3

没有导入包

Answer 4

导入import android.view.View.OnClickListener;