How to add a TextView to a LinearLayout dynamically in Android?

android textview android-linearlayout
Adham picture Adham · Nov 17, 2010 · Viewed 127.2k times · Source

I try to add a TextView to a LinearLayout dynamically such as in the following code, but it doesn't appear when I run the application?

setContentView(R.layout.advanced);

m_vwJokeLayout=(LinearLayout) this.findViewById(R.id.m_vwJokeLayout);
m_vwJokeEditText=(EditText) this.findViewById(R.id.m_vwJokeEditText);
m_vwJokeButton=(Button) this.findViewById(R.id.m_vwJokeButton);

TextView tv=new TextView(this);
tv.setText("test");
this.m_vwJokeLayout.addView(tv);

What's the problem?

Answer

user479211 picture user479211 · Nov 17, 2010 
LayoutParams lparams = new LayoutParams(
   LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
TextView tv=new TextView(this);
tv.setLayoutParams(lparams);
tv.setText("test");
this.m_vwJokeLayout.addView(tv);

You can change lparams according to your needs

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