Android 正在查找当前通过SetContentView(…)膨胀的视图
我只想添加到我的Android 正在查找当前通过SetContentView(…)膨胀的视图,android,android-layout,Android,Android Layout,我只想添加到我的LinearlayoutsimpletextViewprogrammaticly public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity
Linearlayout
simpletextView
programmaticly
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TextView tv = new TextView(this);
tv.setText("Any text");
View parent = findViewById(android.R.id.content);
LinearLayout l = (LinearLayout)parent.findViewById(R.layout.activity_main);
l.addView(tv);
}
然而,我得到了一个错误我确信我遗漏了一些明显的东西。
提前谢谢
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TextView tv = new TextView(this);
tv.setText("Any text");
LinearLayout l = (LinearLayout)findViewById(R.id.linearLayoutId);
l.addView(tv);
}
线性布局包含在activity_main.xml文件中您想做什么???将
文本视图
添加到我当前膨胀的布局程序中,并且布局在您的activity_main
中可用?我想抓住我的activity_main
您的问题不太清楚。你到底想要什么?