我从教程网站复制了这段代码,因为我正在尝试学习它。但我在
package com.android.test;
import android.R;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.SeekBar;
import android.widget.Spinner;
import android.view.ViewGroup.LayoutParams;
import android.widget.LinearLayout;
import android.widget.ImageView.ScaleType;
public class Rotate extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LinearLayout linearLayout = new LinearLayout(this);
Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.icon);
在最后一行,我收到一个错误,其中“.icon”被写入。它说,“图标无法解析或不是一个字段。”
int 宽度 = bitmap.getWidth(); int height = bitmap.getHeight();
Matrix matrix = new Matrix(); matrix.postRotate(90); Bitmap rotatedBitmap = Bitmap.createBitmap(bitmap, 0, 0,
宽度,高度,矩阵,真);BitmapDrawable bmd = new BitmapDrawable(rotatedBitmap);
ImageView imageView = new ImageView(this); imageView.setImageDrawable(bmd); imageView.setScaleType(ScaleType.CENTER); linearLayout.addView(imageView, new LinearLayout.LayoutParams( LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT)); setContentView(linearLayout); } }