problem with bitmap not displaying image after a text
i am trying to show an image directly under a text which i had retrieved from a file in the sdcard but only the text is showing but not the image,
have been trying several methods but non of it is workable
below is my code to display them
//Find the directory for the SD Card using the API
//*Don't* hardcode "/sdcard"
File sdcard = Environment.getExternalStorageDirectory();
//Get the text file
File file = new File(sdcard,"file.txt");
//Read text from file
StringBuilder text = new StringBuilder();
try {
BufferedReader br = new BufferedReader(new FileReader(file));
String line;
while ((line = br.readLine()) != null) {
text.append(line);
text.append('\n');
}
}
catch (IOException e) {
//You'll need to add proper error handling here
}
//Find the view by its id
TextView tv = (TextView)findViewById(R.id.TextView01);
//Set the text
tv.setText(text);
Bitmap bitmap = BitmapFactory.decodeResource(getResources(),R.drawable.icon);
Canvas canvas = new Canvas(bitmap);
canvas.drawColor(Color.BLACK);
canvas.drawB开发者_Python百科itmap(bitmap, 130, 10, null);
Well, I don't see anywhere in your code where you are trying to set the bitmap. Whatever, what about using compounds drawables?
//Find the view by its id
TextView tv = (TextView)findViewById(R.id.TextView01);
//Set the text
tv.setText(text);
tv.setCompoundDrawablesWithIntrinsicBounds(null,
null, null, getResources().getDrawable(R.drawable.icon));
When you do this:
Canvas canvas = new Canvas(bitmap);
you are creating a Canvas to draw into the bitmap. That's not the way to do what you want. Instead, just tell the text view to use your icon as the top drawable:
tv.setText(text);
tv.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, R.drawable.icon);
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