用TextView显示带图片的效果
转载他人的：http://www.devdiv.net/bbs/thread-23974-1-1.html为了实现在TextView中显示图片，有时对图片的宽度与高度有限制的话，可以对实现进行放大与缩小操作！
main.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" ><TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /><TextView android:text="TextView01" android:id="@+id/TextView01" android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView><TextView android:text="TextView02" android:id="@+id/TextView02" android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView></LinearLayout>
GridView.java
package a.gridview;import android.app.Activity;import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.Matrix;import android.graphics.PixelFormat;import android.graphics.Rect;import android.graphics.drawable.BitmapDrawable;import android.graphics.drawable.Drawable;import android.os.Bundle;import android.widget.TextView;public class GridView extends Activity { private TextView text; private TextView text1; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); text = (TextView) findViewById(R.id.TextView01); Drawable draw = this.getResources().getDrawable(R.drawable.srvmng); text.setCompoundDrawablesWithIntrinsicBounds(null, draw, null,null); text.setText("应用"); text1 = (TextView) findViewById(R.id.TextView02); Drawable draw1 = this.getResources().getDrawable(R.drawable.srvmng); int w = draw1.getIntrinsicWidth(); int h = draw1.getIntrinsicHeight(); Rect rect = draw1.getBounds(); text1.setCompoundDrawablesWithIntrinsicBounds(null, zoomDrawable(draw1,32,32), null,null); text1.setText("设置"); } static Drawable zoomDrawable(Drawable drawable, int w, int h) { int width = drawable.getIntrinsicWidth(); int height= drawable.getIntrinsicHeight(); Bitmap oldbmp = drawableToBitmap(drawable); // drawable转换成bitmap Matrix matrix = new Matrix(); // 创建操作图片用的Matrix对象 float scaleWidth = ((float)w / width); // 计算缩放比例 float scaleHeight = ((float)h / height); matrix.postScale(scaleWidth, scaleHeight); // 设置缩放比例 Bitmap newbmp = Bitmap.createBitmap(oldbmp, 0, 0, width, height, matrix, true); // 建立新的bitmap，其内容是对原bitmap的缩放后的图 return new BitmapDrawable(newbmp); // 把bitmap转换成drawable并返回 } static Bitmap drawableToBitmap(Drawable drawable) // drawable 转换成bitmap { int width = drawable.getIntrinsicWidth(); // 取drawable的长宽 int height = drawable.getIntrinsicHeight(); Bitmap.Config config = drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888:Bitmap.Config.RGB_565; // 取drawable的颜色格式 Bitmap bitmap = Bitmap.createBitmap(width, height, config); // 建立对应bitmap Canvas canvas = new Canvas(bitmap); // 建立对应bitmap的画布 drawable.setBounds(0, 0, width, height); drawable.draw(canvas); // 把drawable内容画到画布中 return bitmap; }}
显示效果：
http://dl.iteye.com/upload/attachment/229285/d8a39905-8dbb-35c0-af1e-2bb69b26d11c.png
http://dl.iteye.com/upload/attachment/229287/be6f502c-226d-3fad-948b-85b5ba23b2f5.png
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