即時通訊android新手編程。如何生成我在java類中創建的ID爲r.java
即時知道如果它是能夠生成ID i的java類創建的R.java
我要生成的ID是nBtnLayoutlist。
public class classABC extends Activity {
private int nBtnLayoutlist = 20;
private OnClickListener onClick() {
return new OnClickListener() {
public void onClick(View v) {
nBtnLayout = (LinearLayout)findViewById(R.id.nBtnLayoutList);
}
};
}
private LinearLayout newBtnLayout(){
LinearLayout nBtnLayout = new LinearLayout(this);
final LayoutParams lparams = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
nBtnLayout.setOrientation(LinearLayout.VERTICAL);
nBtnLayout.setLayoutParams(lparams);
nBtnLayout.setWeightSum(100);
nBtnLayout.setId(nBtnLayoutList);
return nBtnLayout;
}
但IM一樣不斷採用常在通話 [此處輸入鏈路描述] [1] [1]:http://stackoverflow.com/questions/13471031/android-linearlayout-null-exception – Daryl