Android EditText加入图片混编显示

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//在文本插入图片发送到服务器

public void insetImage(String imageName,Bitmap image)

{

Editable eb = messageText.getEditableText();

//获得光标所在位置

int qqPosition = messageText.getSelectionStart();

SpannableString ss = new SpannableString( imageName);

//定义插入图片

Drawable drawable = new BitmapDrawable(image);

ss.setSpan(new ImageSpan(drawable,ImageSpan.ALIGN_BASELINE), 0 , ss.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

drawable.setBounds(2 , 0 , drawable.getIntrinsicWidth()+20, drawable.getIntrinsicHeight()+20);

//插入图片

eb.insert(qqPosition, ss);

}

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/**

* 接收到服务发送回来客户端的文本将其替换成图片

*/

public CharSequence addSmileySpans(CharSequence text)

{

SpannableStringBuilder builder = new SpannableStringBuilder(text);

Matcher matcher = mPattern.matcher(text);

while (matcher.find())

{

Bitmap icon = mSmileyToRes.get(matcher.group());

builder.setSpan(new ImageSpan(mContext, icon), matcher.start(),

matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

}

return builder;

}

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public class MainActivity extends Activity {

private EditText edit;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);



edit = (EditText)findViewById(R.id.edit_text);

Button button01 = (Button)findViewById(R.id.insert_text);

button01.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

Editable eb = edit.getEditableText();

//获得光标所在位置

int startPosition = edit.getSelectionStart();

//插入文本

eb.insert(startPosition, "www.onmoso.com");

}

});



Button button02 = (Button)findViewById(R.id.insert_img);

button02.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

Editable eb = edit.getEditableText();

//获得光标所在位置

int startPosition = edit.getSelectionStart();

SpannableString ss = new SpannableString( "onmoso" );

//定义插入图片

Drawable drawable = getResources().getDrawable(R.drawable.icon);

ss.setSpan(new ImageSpan(drawable,ImageSpan.ALIGN_BASELINE), 0 , ss.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

drawable.setBounds(2 , 0 , drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());

//插入图片

eb.insert(startPosition, ss);

}

});

}

}

<?xml version="1.0" encoding="utf-8"?>

< LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical" >

<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="@string/hello"

/>

<EditText

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:hint="请输入内容"

android:id="@+id/edit_text"

/>

<Button

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="插入文本 "

android:id="@+id/insert_text"

/>

<Button

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="插入图片"

android:id="@+id/insert_img"

/>

< /LinearLayout>








转自：http://blog.csdn.net/ganlijianstyle/article/details/7697047