Layout layout = textView.getLayout();
String text = textView.getText().toString();
int start = 0;
int end;
//迴圈遍歷列印每一行
for (int i = 0; i < textView.getLineCount(); i++) {
    end = layout.getLineEnd(i);
String line = text.substring(start, end); //指定行的內容
start = end;
Log.d("MyTextView"
 
, "setMyText: line " + line);
}

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