安卓;带有自定义对话框的进度条
我有一个显示启动屏幕的自定义对话框；
mSplashDialog = new Dialog(MyActivity.this,R.layout.splash);
mSplashDialog.setContentView(R.layout.splash);
mSplashDialog.setCancelable(true);
mSplashDialog.show();
启动布局上有一个进度条；
LinearLayout
android:id="@+id/LinearLayout01"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
android:background="@drawable/picture_splash"
ProgressBar
android:layout_width="fill_parent"
android:layout_height="wrap_content"
style="?android:attr/progressBarStyleHorizontal"
android:id="@+id/progressbar_Horizontal"
android:max="100"
LinearLayout
但是当我尝试引用进度条时；
progress = (ProgressBar) findViewById(R.id.progressbar_Horizontal);
progress.setMax(100);
我在调试器中发现应用程序在第二行崩溃，因为对象进度 = null，空 zipp，nuttin :(
似乎进度条一旦停靠在对话框中就无法访问... :(
有人知道解决这个问题的方法吗？
ProgresDialog 不是一个选项，因为你无法自定义它......
谢谢大家！
I've have a custom dialog displaying a splash screen;
mSplashDialog = new Dialog(MyActivity.this,R.layout.splash);
mSplashDialog.setContentView(R.layout.splash);
mSplashDialog.setCancelable(true);
mSplashDialog.show();
The splash layout has a ProgressBar on it;
LinearLayout
android:id="@+id/LinearLayout01"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
android:background="@drawable/picture_splash"
ProgressBar
android:layout_width="fill_parent"
android:layout_height="wrap_content"
style="?android:attr/progressBarStyleHorizontal"
android:id="@+id/progressbar_Horizontal"
android:max="100"
LinearLayout
But when I try to reference to the progress bar;
progress = (ProgressBar) findViewById(R.id.progressbar_Horizontal);
progress.setMax(100);
I've found out in the debugger that the app crashes on the second line because the object progress = null, empty zipp, nuttin :(
It seems like that the progressbar, once docked in a dialog is not accessable... :(
Somebody knows a way around this?
A ProgresDialog is not a option, because you can't customize it...
Thanks guys!
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检查您是否在正确的上下文中调用 findViewById()。例如，您当前所拥有的相当于：
如果 mSplashDialog 不是“this”视图层次结构的一部分，那么 findViewById 将永远找不到您的进度条。也许你想要类似的东西：
Check that you are invoking findViewById() in the correct context. For example, what you currently have is equivalent to:
If mSplashDialog is not part of the view hierarchy for "this", then findViewById will never find your progressBar. Perhaps you want something like: