当手机从睡眠中唤醒时加载应用程序/活动

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // 异步加载数据
        new AsyncTask<Void, Void, Void>() {
            @Override
            protected Void doInBackground(Void... voids) {
                // 模拟耗时操作
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                return null;
            }

            @Override
            protected void onPostExecute(Void aVoid) {
                super.onPostExecute(aVoid);
                // 更新UI
                TextView textView = findViewById(R.id.textView);
                textView.setText("数据加载完成");
            }
        }.execute();
    }
}

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        try {
            // 模拟可能引发崩溃的操作
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
                throw new RuntimeException("不支持的Android版本");
            }
        } catch (Exception e) {
            e.printStackTrace();
            // 处理异常，例如显示错误信息
            TextView textView = findViewById(R.id.textView);
            textView.setText("应用程序崩溃，请稍后再试");
        }
    }
}