Question

当用户想要更改信息时，我正在尝试更新编辑器。但编辑不更新。它只存储相同的信息。我已经在其他课程中清除了它，但它仍然没有获得新的价值。我该怎么办？

 protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_test);
    h1 = (EditText) findViewById(R.id.h12);
    min1 = (EditText) findViewById(R.id.min12);
    d1 = (EditText) findViewById(R.id.d12);
    m1 = (EditText) findViewById(R.id.m12);
    y1 = (EditText) findViewById(R.id.y12);
    button8 = (Button) findViewById(R.id.button8);
    button8.setOnClickListener(this);
    sp = getSharedPreferences("A", Context.MODE_PRIVATE);
    abc = sp.getInt("d11",0);
    if (abc != 0)
    {
        startActivity(new Intent("com.example.dc2.TEST3"));
    }
}


public void onClick(View v) {
    sp = getSharedPreferences("A", Context.MODE_PRIVATE);
    d11 = Integer.parseInt(d1.getText().toString());
    m11 = Integer.parseInt(m1.getText().toString());
    y11 = Integer.parseInt(y1.getText().toString());
    if( h1.getText().toString().trim().length() == 0 )
    {
        h12 = 8;
        min12 = 0;
    }
    else
    {
        h12 = Integer.parseInt(h1.getText().toString());
        min12 = Integer.parseInt(min1.getText().toString());
    }
    final SharedPreferences.Editor editor = sp.edit();
    editor.putInt("d11", d11);
    editor.putInt("m11", m11);
    editor.putInt("y11", y11);
    editor.putInt("h12", h12);
    editor.putInt("min12", min12);
    editor.apply();
    Intent intent = new Intent(this, TEST3.class);
    startService(new Intent(this, MyService.class));
    startActivity(intent);
}

Answer 1

您正在循环中的编辑器上调用clear（），它实际上删除了所有存储的键值对。因此，您最终只得到最后一次迭代中存储的数据。

请参阅： http://developer.android.com/reference/android/content/SharedPreferences.Editor.html

编辑器不会更新

1 个答案: