【发布时间】:2016-01-07 21:03:47
【问题描述】:
我想展示一个 SnackBar 和一个 FloatingActionButton,所以我将 android-support-design.jar 添加到我的项目中。但我收到以下错误:
01-07 20:31:31.799: E/AndroidRuntime(929): FATAL EXCEPTION: main
01-07 20:31:31.799: E/AndroidRuntime(929): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.KM.example/com.KM.example.MainActivity}: android.view.InflateException: Binary XML file line #7: Error inflating class android.support.design.widget.FloatingActionButton
01-07 20:31:31.799: E/AndroidRuntime(929): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.os.Handler.dispatchMessage(Handler.java:99)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.os.Looper.loop(Looper.java:123)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.app.ActivityThread.main(ActivityThread.java:3683)
01-07 20:31:31.799: E/AndroidRuntime(929): at java.lang.reflect.Method.invokeNative(Native Method)
01-07 20:31:31.799: E/AndroidRuntime(929): at java.lang.reflect.Method.invoke(Method.java:507)
01-07 20:31:31.799: E/AndroidRuntime(929): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
01-07 20:31:31.799: E/AndroidRuntime(929): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
01-07 20:31:31.799: E/AndroidRuntime(929): at dalvik.system.NativeStart.main(Native Method)
01-07 20:31:31.799: E/AndroidRuntime(929): Caused by: android.view.InflateException: Binary XML file line #7: Error inflating class android.support.design.widget.FloatingActionButton
01-07 20:31:31.799: E/AndroidRuntime(929): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:581)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.view.LayoutInflater.rInflate(LayoutInflater.java:623)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.view.LayoutInflater.inflate(LayoutInflater.java:408)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:255)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109)
01-07 20:31:31.799: E/AndroidRuntime(929): at com.KM.example.MainActivity.onCreate(MainActivity.java:17)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
01-07 20:31:31.799: E/AndroidRuntime(929): ... 11 more
01-07 20:31:31.799: E/AndroidRuntime(929): Caused by: java.lang.ClassNotFoundException: android.support.design.widget.FloatingActionButton in loader dalvik.system.PathClassLoader[/data/app/com.KM.example-2.apk]
01-07 20:31:31.799: E/AndroidRuntime(929): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
01-07 20:31:31.799: E/AndroidRuntime(929): at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
01-07 20:31:31.799: E/AndroidRuntime(929): at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.view.LayoutInflater.createView(LayoutInflater.java:471)
01-07 20:31:31.799: E/AndroidRuntime(929): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:570)
01-07 20:31:31.799: E/AndroidRuntime(929): ... 20 more
我的活动是:
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
findViewById(R.id.fab).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Snackbar", Snackbar.LENGTH_LONG).show();
}
});
}
}
activity_main.xml:
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="end|bottom"/>
</android.support.design.widget.CoordinatorLayout>
styles.xml:
<resources>
<style name="AppBaseTheme" parent="Theme.AppCompat.Light">
</style>
<style name="AppTheme" parent="AppBaseTheme">
</style>
</resources>
我发现了一些类似的问题,但没有一个解决方案对我有用。 任何人都可以帮助我吗?非常感谢。
【问题讨论】:
-
你加了
compile 'com.android.support:design:23.1.1' -
@Logic 感谢您的回答。很抱歉,但我真的不知道哪个文件应该包含这一行。你能告诉我一个文件名或路径吗? (我正在使用 Eclipese)
-
你在用安卓工作室吗?将其作为依赖项添加到您的 gradle 中。
-
@Logic 否,我正在使用 Eclipse
-
你可以在这里查看我的答案stackoverflow.com/a/39444234/6812027希望对你有帮助!