Android中加标题的背景和文字并且添加返回

</pre><pre name="code" class="html">getActionBar().setDisplayHomeAsUpEnabled(true);// 设置返回的箭头// 加标题背景及设置文字颜色getActionBar().setBackgroundDrawable(this.getBaseContext().getResources().getDrawable(R.drawable.actionbar_bg));getActionBar().setDisplayShowHomeEnabled(false);getActionBar().setTitle("凑热闹");int titleId = Resources.getSystem().getIdentifier("action_bar_title","id", "android");TextView title = (TextView) findViewById(titleId);title.setTextColor(getResources().getColor(R.color.white));title.setTextSize(20);***********************其他中加：// 响应返回键的代码@Overridepublic boolean onCreateOptionsMenu(Menu menu) {getMenuInflater().inflate(R.menu.empty, menu);return true;}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {switch (item.getItemId()) {case android.R.id.home:ExerciseSubFActivity.this.finish();return true;}return super.onOptionsItemSelected(item);}