我试图创建一个自定义对话框,其中包含主LinearLayout,其中包含2嵌套LinearLayout它里面包含ImageView和TextView。自定义对话框中的嵌套LinerLayout没有显示
但问题是LinearLayout没有显示出来。我甚至没有收到任何错误,应用程序也没有崩溃。
谢谢。
下面是与此问题相关的代码段:
AlertDialog.Builder builder = new AlertDialog.Builder(this);
ll_main = new LinearLayout(AddFreebie.this);
ll_main.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT));
ll_main.setGravity(Gravity.CENTER);
ll_main.setOrientation(LinearLayout.VERTICAL);
ll_bpic = new LinearLayout(AddFreebie.this);
ll_bpic.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT));
ll_bpic.setGravity(Gravity.CENTER);
ll_bpic.setOrientation(LinearLayout.HORIZONTAL);
iv_bpic = new ImageView(AddFreebie.this);
iv_bpic.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT));
tv_bpic = new TextView(AddFreebie.this);
tv_bpic.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT));
tv_bpic.setText("Browse phone for pictures..");
ll_bpic.addView(iv_bpic);
ll_bpic.addView(tv_bpic);
ll_cpic = new LinearLayout(AddFreebie.this);
ll_cpic.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT));
ll_cpic.setGravity(Gravity.CENTER);
ll_cpic.setOrientation(LinearLayout.HORIZONTAL);
iv_cpic = new ImageView(AddFreebie.this);
iv_cpic.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT));
tv_cpic = new TextView(AddFreebie.this);
tv_cpic.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT));
tv_cpic.setText("Take pictures using camera.");
ll_cpic.addView(iv_cpic);
ll_cpic.addView(tv_cpic);
ll_main.addView(ll_bpic);
ll_main.addView(ll_cpic);
builder.setView(ll_main);
builder.setCancelable(true);
builder.setPositiveButton("Yes",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int id) {
// MyActivity.this.finish();
}
})
.setNegativeButton("No",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int id) {
dialog.cancel();
}
});
AlertDialog alert = builder.create();
alert.show();
是否有任何理由你添加每一个通过代码的东西,不要从XML视图膨胀它? –
@ eric.itzhak从xml中查看?我没有得到你。你的意思是为对话框创建一个专门的布局,并做builder.setView(R.layout.dialog_view)这样的事情? 虽然它也不是一回事吗? 感谢您的回复。 – Viking
雅将是相同的,但是没有理由让布局ti消失并且更容易管理。 –