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我试图使多个按钮点击时生成一个textview。我用Mattia的帮助:)我做对了吗?也可以是计数器是总介绍,目前在代码中的计数器不断增加一个(因为它的计数器++),但如果我改变它来对付+ 10,它不会工作:(能有人帮助这一点。与总共生成的多个按钮
代码
public class MainActivity extends ActionBarActivity {
int counter = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final LinearLayout linearLayout = (LinearLayout) findViewById(R.id.linear_layout);
Button button = (Button) findViewById(R.id.add_button);
Button button1 = (Button) findViewById(R.id.test2);
button1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
counter++;
TextView textView = new TextView(MainActivity.this);
textView.setText("You have added noodles and your total is" + counter);
textView.setBackgroundColor(Color.parseColor("#FF0000"));
textView.setTextColor(Color.parseColor("#00FF00"));
linearLayout.addView(textView);
}
});
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
counter++;
TextView textView = new TextView(MainActivity.this);
textView.setText("you have added hotdog and your total is " + counter);
textView.setBackgroundColor(Color.parseColor("#FF0000"));
textView.setTextColor(Color.parseColor("#00FF00"));
linearLayout.addView(textView);
}
});
}
和主文件:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/linear_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<Button
android:id="@+id/add_button"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Add TextView" />
<Button
android:id="@+id/test2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Add TextView" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="New Text"
android:id="@+id/textView" />
counter + 10?我认为你正在寻找计数器+ = 10 – Gero
一个建议,根据你的代码,当用户点击一个按钮时,你将添加视图布局,你不能够查看所有的视图,因为你没有使用scrollView –