我試圖顯示AlertDialog時,我按下提交按鈕。Android按鈕onClick顯示AlertDialog應用程序崩潰
Button submit = (Button) findViewById(R.id.submitButton);
submit.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
AlertDialog.Builder builder = new AlertDialog.Builder(Application1GoodExample.this);
builder.setMessage("Your form has been successfully submitted");
TextView textView = (TextView) findViewById(android.R.id.message);
textView.setTextSize(40);
builder.setNegativeButton("Exit", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
} });
builder.show();
}
});
我相信這是與它試圖訪問findViewById(android.R.id.message)
我在XML文件中定義的TextView的如下:
<TextView android:id="@+id/message"
android:layout_width="285dp"
android:layout_height="78dp"
android:textColor="#000000"
android:textSize="45sp"
android:gravity="center"
/>
我只是想改變默認AlertDialog消息「您的表單已成功提交」字體大小,但當按下「提交」按鈕時,我的程序崩潰
這工作!非常感謝! – Alex 2013-03-12 14:00:37