android 测试分享图片+文字到微博

package com.example;import android.app.Activity;import android.content.Intent;import android.graphics.*;import android.net.Uri;import android.os.Bundle;import android.view.View;import df.util.Util;import df.util.android.LogUtil;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.OutputStream;import java.util.ArrayList;import java.util.List;public class MyActivity extends Activity implements View.OnClickListener {    private static final String TAG = Util.toTAG(MyActivity.class);    /**     * Called when the activity is first created.     */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        findViewById(R.id.share_btn).setOnClickListener(this);    }    @Override    public void onClick(View view) {        //To change body of implemented methods use File | Settings | File Templates.        switch (view.getId()) {            case R.id.share_btn: {                share();                break;            }            default: {                break;            }        }    }    void share() {        File file = new File("/sdcard/fk.jpg");        try {            Bitmap bmp = getBitmap("/sdcard/fk.jpg", "womencishfiewhfuewjfkwej");            OutputStream stream = null;            LogUtil.v(TAG,"haitag ",bmp.getWidth(),", ",bmp.getHeight());            stream = new FileOutputStream(new File("/sdcard/tmp.jpg"));            bmp.compress(Bitmap.CompressFormat.JPEG, 40, stream);        } catch (IOException e) {            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.        }        Intent shareIntent = new Intent(Intent.ACTION_SEND);        Uri uri = Uri.fromFile(new File("/sdcard/fk.jpg"));        if (uri != null) {            shareIntent.putExtra(Intent.EXTRA_STREAM, uri);            shareIntent.setType("image/*");            //当用户选择短信时使用sms_body取得文字            shareIntent.putExtra("sms_body", "hehehhehehe ");        } else {            shareIntent.setType("text/plain");        }        shareIntent.putExtra(Intent.EXTRA_TEXT, "hahahah");        //自定义选择框的标题        //startActivity(Intent.createChooser(shareIntent, "邀请好友"));        //系统默认标题        startActivity(shareIntent);    }    public Bitmap getBitmap(final String picPath, final String msg) {//返回具有指定宽度和高度可变的位图,它的初始密度可以调用getDensity()        final int TXT_SIZE = 24;        final Activity act = this;        Bitmap bmp = BitmapFactory.decodeFile(picPath);        int width = bmp.getWidth();        int heigth = bmp.getHeight();        List<String> buf = new ArrayList<String>();        String lineStr = "";        int lineCharCount = 0;        for (int i = 0; i < msg.length(); ) {            if (Character.getType(msg.charAt(i)) == Character.OTHER_LETTER) {                // 如果这个字符是一个汉字                if ((i + 1) < msg.length()) {                    lineStr += msg.substring(i, i + 2);                    lineCharCount++;                }                heigth += TXT_SIZE;                i = i + 2;            } else {                heigth += TXT_SIZE;                lineStr += msg.substring(i, i + 1);                lineCharCount++;                i++;            }            if ((lineCharCount + 1) * TXT_SIZE > width) {                buf.add(lineStr);                lineStr = "";                lineCharCount = 0;            }            if (i >= msg.length()) {                break;            }        }        Bitmap canvasBmp = Bitmap.createBitmap(width + 20, heigth + 20, Bitmap.Config.ARGB_8888);//把一个具有指定的位图绘制到画布上。位图必须是可变的。//在画布最初的目标密度是与给定的位图的密度相同,返回一个具有指定位图的画布        Canvas canvas = new Canvas(canvasBmp);//设置画布的颜色        canvas.drawColor(Color.WHITE);        Paint p = new Paint();        Typeface font = Typeface.create("宋体", Typeface.BOLD);        p.setColor(Color.RED);        p.setTypeface(font);        p.setTextSize(TXT_SIZE);        float y = 0;        for (String str : buf) {            canvas.drawText(str, 0, y, p);            y += TXT_SIZE;        }        canvas.drawBitmap(bmp, 0, y, p);        return bmp;    }}