我想在我的Android项目中添加ActionbarActivity
,因为我想使用android.support.v7.widgets.Gridlayout
。
我试图在项目结构中创建模块appcompat-v7
鞋子ActionbarActivity
符号仍然无法解析
public class MainActivity extends ActionBarActivity {
public void image(View view){
GridLayout grid = findViewBYId(R.id.gridlayout);
ImageView image = findViewById(R.id.imageView3);
image.setImageResource(dragon2);
}
如果我使用AppcompatActivity
而不是ActionBarActivity
应用程序在
处崩溃
GridLayout grid = findViewBYId(R.id.gridlayout)
遵循一些方法 http://www.androiddocs.com/tools/support-library/features.html [How to add ActionBarActivity in Android Project?
请帮助。
--------- beginning of crash
2019-07-07 01:51:24.981 9256-9256/com.example.gameconnect3 E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.gameconnect3, PID: 9256
java.lang.IllegalStateException: Could not execute method for android:onClick
at androidx.appcompat.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:402)
at android.view.View.performClick(View.java:7125)
at android.view.View.performClickInternal(View.java:7102)
at android.view.View.access$3400(View.java:801)
at android.view.View$PerformClick.run(View.java:27301)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:214)