package com.example.picture;
import android.support.v7.app.ActionBarActivity;
import android.text.Editable;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.ImageSpan;
import android.util.Log;
import android.content.ContentResolver;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Matrix;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class MainActivity extends ActionBarActivity {
private final int PICK_PIC = 1;
private EditText et_addimage;
private Button bu;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
et_addimage=(EditText) this.findViewById(R.id.edittext);
}
public void add_img(View view){
Intent intent = new Intent(Intent.ACTION_PICK);
intent.setType("image/*");
startActivityForResult(intent, PICK_PIC);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK) {
if (requestCode == PICK_PIC) {
if (data == null) {
Toast.makeText(this, "failed", Toast.LENGTH_SHORT).show();
} else {
Uri uri = data.getData();
Bitmap bitmap = getOriginalBitmap(uri);
SpannableString ss = getBitmapMime(bitmap, uri);
insertIntoEditText(ss);
}
}
}
}
/**
* EditText中可以接收的图片(要转化为SpannableString)
*
* @param pic
* @param uri
* @return SpannableString
*/
private SpannableString getBitmapMime(Bitmap pic, Uri uri) {
int imgWidth = pic.getWidth();
int imgHeight = pic.getHeight();
// 只对大尺寸图片进行下面的压缩，小尺寸图片使用原图
// if (imgWidth >= mInsertedImgWidth) {
// float scale = (float) mInsertedImgWidth / imgWidth;
// Matrix mx = new Matrix();
// mx.setScale(scale, scale);
// pic = Bitmap.createBitmap(pic, 0, 0, imgWidth, imgHeight, mx, true);
// }
String smile = uri.getPath();
SpannableString ss = new SpannableString(smile);
ImageSpan span = new ImageSpan(this, pic);
ss.setSpan(span, 0, smile.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
return ss;
}
private void insertIntoEditText(SpannableString ss) {
// 先获取Edittext中原有的内容
Editable et = et_addimage.getText();
int start = et_addimage.getSelectionStart();
// 设置ss要添加的位置
et.insert(start, ss);
// 把et添加到Edittext中
et_addimage.setText(et);
// 设置Edittext光标在最后显示
et_addimage.setSelection(start + ss.length());
}
private Bitmap getOriginalBitmap(Uri photoUri) {
if (photoUri == null) {
return null;
}
Bitmap bitmap = null;
try {
ContentResolver conReslv = getContentResolver();
// 得到选择图片的Bitmap对象
bitmap = MediaStore.Images.Media.getBitmap(conReslv, photoUri);
} catch (Exception e) {
}
return bitmap;
}
}
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<ScrollView
android:id="@+id/scrollView1"
android:layout_width="match_parent"
android:layout_height="400dp"
android:scrollbars="vertical">
<EditText
android:id="@+id/edittext"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="sfe"
android:gravity="top"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:background="@null" />
</ScrollView>
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:onClick="add_img"
android:text="Button" />
</RelativeLayout>
import android.view.MenuItem;
