qt调用JAVA文件示例

package my.demo.myJava; import org.qtproject.qt5.android.bindings.QtActivity; import java.io.File; import android.net.Uri; import android.content.Intent; /* public class mmActivity { public static int haha() { return 8; } };*/ public class mmActivity extends org.qtproject.qt5.android.bindings.QtActivity { public static void installApk(String filePath,QtActivity activity) { Intent intent = new Intent(); // 执行动作 intent.setAction(Intent.ACTION_VIEW); File file = new File(filePath); // 执行的数据类型 intent.setDataAndType(Uri.fromFile(file),"application/vnd.android.package-archive"); activity.startActivity(intent); }; public static int haha() { return 8; } };