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最新推荐文章于 2025-07-03 16:25:47 发布

Sason_Bryant

最新推荐文章于 2025-07-03 16:25:47 发布

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本文链接：https://blog.youkuaiyun.com/Sason_Bryant/article/details/89876230

此博客展示了一段Android开发代码，包含包声明、导入必要的类，定义了一个名为Main2Activity的活动类，继承自AppCompatActivity，涉及到意图、位图、URI等相关操作。

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package com.bawie.songzixinmoniyuekao1;

import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Parcelable;
import android.provider.MediaStore;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.PopupWindow;

public class Main2Activity extends AppCompatActivity {

private Button xaingce;
private Button xaingji;
private ImageView imageView;
private PopupWindow popupWindow;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main2);
    imageView = findViewById(R.id.touxiang);

    imageView.setOnClickListener(new View.OnClickListener() {


        @Override
        public void onClick(View v) {
            View view = View.inflate(Main2Activity.this, R.layout.image, null);
            popupWindow = new PopupWindow(view, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT, true);
            popupWindow.setFocusable(true);
            popupWindow.setOutsideTouchable(true);
            popupWindow.showAsDropDown(v,300,300);
            xaingji = view.findViewById(R.id.xiangji);
            xaingce = view.findViewById(R.id.xiangce);
            xaingji.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                    startActivityForResult(intent,100);
                    popupWindow.dismiss();
                }
            });
            xaingce.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {

                    Intent intent=new Intent(Intent.ACTION_PICK);
                    intent.setType("image/*");
                    startActivityForResult(intent,200);
                    popupWindow.dismiss();
                }
            });
        }
    });

}

@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
   if(requestCode==100){
       Bitmap bitmap=data.getParcelableExtra("data");
       imageView.setImageBitmap(bitmap);
   }
   if(requestCode  ==200){
       Uri uri = data.getData();
       imageView.setImageURI(uri);

   }
}

}