android动态LinearLayout

在onCreate函数中：

mLinearlayout= new LinearLayout(this);
mLinearlayout.setOrientation(LinearLayout.VERTICAL);
mTextview= new TextView(this);
mTextview.setText("MASK");
mLinearlayout.addView(mTextview);

mIV = new MyImageView(this);
mLinearlayout.addView(mIV);
setContentView(mLinearlayout);