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EditView中插入图片(Button 等均可)
来源:互联网   发布日期:2016-01-06 19:11:02   浏览:1874次  

导读:EditView中插入图片(Button 等均可)代码:package com.imo;import android.app.Activity;import android.graphics.drawable.Drawable;import android.os.Bundle;import android.text.Html;import android......

EditView中插入图片(Button 等均可)

代码:

package com.imo;

import android.app.Activity;

import android.graphics.drawable.Drawable;

import android.os.Bundle;

import android.text.Html;

import android.text.Spannable;

import android.text.SpannableString;

import android.text.Html.ImageGetter;

import android.text.style.ImageSpan;

import android.view.View;

import android.widget.EditText;

import android.widget.TextView;

public class Android_demoActivity extends Activity {

private TextView text;

private EditText edit;

private ImageGetter imageGetter = new ImageGetter() {

public Drawable getDrawable(String source) {

int id = Integer.parseInt(source);

Drawable d = getResources().getDrawable(id);

d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());

return d;

}

};

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

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

text = (TextView) findViewById(R.id.text);

insertPic2();

text.setText(edit.getText());

insertPic1();

}

public void click(View view) {

System.out.println(edit.getText());

}

/**

* 第一种插入图片方式

*/

private void insertPic1() {

SpannableString ss = new SpannableString("pic");

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

d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());

ImageSpan span = new ImageSpan(d, ImageSpan.ALIGN_BOTTOM);

ss.setSpan(span, 0, ss.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

edit.append(ss);

}

/**

* 第二种插入图片方式

*/

private void insertPic2() {

edit.append(Html.fromHtml("<img src='" + R.drawable.icon + "'/>", imageGetter, null));

}

}

布局:

<?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:id="@+id/text"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="@string/hello" />

<EditText

android:id="@+id/edit"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="sb" />

<Button android:id="@+id/button"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="点击"

android:onClick="click" />

</LinearLayout>

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相关热词: EditView 插入图片 Button

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