Android 使用SpannableStringBuilder设置TextView中的文字及图片

MainActivity：

public class MainActivity extends AppCompatActivity { private TextView mTextView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mTextView = (TextView) findViewById(R.id.tv); setSsb(); } private void setSsb() { String str = " Hello World!"; SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder(str); Drawable drawable = getResources().getDrawable(R.mipmap.ic_launcher); drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()); ImageSpan span = new ImageSpan(drawable, ImageSpan.ALIGN_BASELINE); //设置图片 spannableStringBuilder.setSpan(span, 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); //设置Text文字颜色 spannableStringBuilder.setSpan(new ForegroundColorSpan(Color.RED), 1, 3, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); //设置图片 mTextView.setText(spannableStringBuilder); } }

布局文件activity_main.xml:

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.gui.abc.ssb.MainActivity"> <TextView android:id="@+id/tv" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </RelativeLayout>