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  • android获取本地图片并显示图片

    import java.io.FileNotFoundException;
    
    import android.content.ContentResolver;
    import android.content.Intent;
    import android.graphics.Bitmap;
    import android.graphics.BitmapFactory;
    import android.net.Uri;
    import android.os.Bundle;
    import android.util.Log;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.widget.ImageView;
    
    import com.maikefengchao.daixu.R;
    
    public class WriteArticle_CompeterelayActivity extends BaseActivity {
        private ImageView im_upload_img;
    
        @Override
        public void initView(Bundle savedInstanceState){
            setContentView(R.layout.view_write_competerelay);
    
            im_upload_img = (ImageView)findViewById(R.id.write_competerelay_cover_iv);
        }
    
        @Override
        protected void setListener() {
            im_upload_img.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    Intent intent = new Intent();
                    /* 开启Pictures画面Type设定为image */
                    intent.setType("image/*");
                    /* 使用Intent.ACTION_GET_CONTENT这个Action */
                    intent.setAction(Intent.ACTION_GET_CONTENT);
                    /* 取得相片后返回本画面 */
                    startActivityForResult(intent, 1);
                }
            });
        }
    
        @Override
        protected void processLogic(Bundle saveInstanceState) {
    
        }
    
    
        //获取本地图片
        @Override
        protected void onActivityResult(int requestCode, int resultCode, Intent data) {
            if (resultCode == RESULT_OK) {
                Uri uri = data.getData();
                String img_url = uri.getPath();//这是本机的图片路径
                ContentResolver cr = this.getContentResolver();
                try {
                    Bitmap bitmap = BitmapFactory.decodeStream(cr.openInputStream(uri));
                    ImageView imageView = (ImageView) findViewById(R.id.write_competerelay_cover_iv);
                    /* 将Bitmap设定到ImageView */
                    imageView.setImageBitmap(bitmap);
                } catch (FileNotFoundException e) {
                    Log.e("Exception", e.getMessage(),e);
                }
            }
            super.onActivityResult(requestCode, resultCode, data);
        }
    }
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  • 原文地址:https://www.cnblogs.com/red-code/p/5859040.html
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