使用意图过滤器，我们无法在 facebook 上同时共享文本和图像。如果你想同时分享图片和文字，那么你必须创建图片+文字的位图。
在此处下载源代码(Share image and text on facebook using intent in android)
MainActivity.java
package com.shareimage;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
EditText et_text;
ImageView iv_image;
TextView tv_share,tv_text;
RelativeLayout rl_main;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
init();
}
private void init(){
et_text = (EditText)findViewById(R.id.et_text);
iv_image = (ImageView)findViewById(R.id.iv_image);
tv_share = (TextView)findViewById(R.id.tv_share);
rl_main = (RelativeLayout)findViewById(R.id.rl_main);
tv_text= (TextView) findViewById(R.id.tv_text);
File dir = new File("/sdcard/Testing/");
try {
if (dir.mkdir()) {
System.out.println("Directory created");
} else {
System.out.println("Directory is not created");
}
} catch (Exception e) {
e.printStackTrace();
}
tv_share.setOnClickListener(this);
et_text.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
}
@Override
public void afterTextChanged(Editable s) {
tv_text.setText(et_text.getText().toString());
}
});
}
@Override
public void onClick(View v) {
switch (v.getId()){
case R.id.tv_share:
Bitmap bitmap1 = loadBitmapFromView(rl_main, rl_main.getWidth(), rl_main.getHeight());
saveBitmap(bitmap1);
String str_screenshot = "/sdcard/Testing/"+"testing" + ".jpg";
fn_share(str_screenshot);
break;
}
}
public void saveBitmap(Bitmap bitmap) {
File imagePath = new File("/sdcard/Testing/"+"testing" + ".jpg");
FileOutputStream fos;
try {
fos = new FileOutputStream(imagePath);
bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
fos.flush();
fos.close();
Log.e("ImageSave", "Saveimage");
} catch (FileNotFoundException e) {
Log.e("GREC", e.getMessage(), e);
} catch (IOException e) {
Log.e("GREC", e.getMessage(), e);
}
}
public static Bitmap loadBitmapFromView(View v, int width, int height) {
Bitmap b = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(b);
v.draw(c);
return b;
}
public void fn_share(String path) {
File file = new File("/mnt/" + path);
Bitmap bmp = BitmapFactory.decodeFile(file.getAbsolutePath());
Uri uri = Uri.fromFile(file);
Intent intent = new Intent(Intent.ACTION_SEND);
intent.setType("image/*");
intent.putExtra(Intent.EXTRA_STREAM, uri);
startActivity(Intent.createChooser(intent, "Share Image"));
}
}