Java Android Edittext:setOnFocusChangeListener不';行不通
我正在使用此代码检查我的edittext焦点:Java Android Edittext:setOnFocusChangeListener不';行不通,java,android,android-edittext,Java,Android,Android Edittext,我正在使用此代码检查我的edittext焦点: gelar_pp=(EditText)polis.findViewById(R.id.gelar_pp); gelar_pp.setOnFocusChangeListener(new OnFocusChangeListener() { LinearLayout layout_nama_pp=(LinearLayout)findViewById(R.id.layout_nama_pp); public void on
gelar_pp=(EditText)polis.findViewById(R.id.gelar_pp);
gelar_pp.setOnFocusChangeListener(new OnFocusChangeListener() {
LinearLayout layout_nama_pp=(LinearLayout)findViewById(R.id.layout_nama_pp);
public void onFocusChange(View v, boolean hasFocus) {
if(!hasFocus){
layout_nama_pp.setBackgroundResource(R.drawable.border_corner_baris1);
}else {
layout_nama_pp.setBackgroundResource(R.drawable.border_corner_baris1_klik);
}
} });
ibu_pp=(EditText)polis.findViewById(R.id.ibu_pp);
ibu_pp.setOnFocusChangeListener(new OnFocusChangeListener() {
LinearLayout layout_nama_pp=(LinearLayout)findViewById(R.id.layout_nama_pp);
public void onFocusChange(View v, boolean hasFocus) {
if(!hasFocus){
layout_nama_pp.setBackgroundResource(R.drawable.border_corner_baris1);
}else {
layout_nama_pp.setBackgroundResource(R.drawable.border_corner_baris1_klik);
}
} });
edit_bukti_lain_pp=(EditText)polis.findViewById(R.id.edit_bukti_lain_pp);
edit_bukti_lain_pp.setOnFocusChangeListener(new OnFocusChangeListener() {
LinearLayout layout_nama_pp=(LinearLayout)findViewById(R.id.layout_nama_pp);
public void onFocusChange(View v, boolean hasFocus) {
if(!hasFocus){
layout_nama_pp.setBackgroundResource(R.drawable.border_corner_baris1);
}else {
layout_nama_pp.setBackgroundResource(R.drawable.border_corner_baris1_klik);
}
} });
当我简化我的代码并更改为:
gelar_pp.setOnFocusChangeListener(listener);
ibu_pp.setOnFocusChangeListener(listener);
edit_bukti_lain_pp.setOnFocusChangeListener(listener);
listener= new OnFocusChangeListener() {
LinearLayout layout_nama_pp=(LinearLayout)findViewById(R.id.layout_nama_pp);
public void onFocusChange(View v, boolean hasFocus) {
if(!hasFocus){
layout_nama_pp.setBackgroundResource(R.drawable.border_corner_baris1);
}else {
layout_nama_pp.setBackgroundResource(R.drawable.border_corner_baris1_klik);
}
}
};
我的代码不工作,没有任何更改。我的代码有问题吗?首先初始化侦听器,然后设置为editText,如
listener= new OnFocusChangeListener() {
LinearLayout layout_nama_pp=(LinearLayout)findViewById(R.id.layout_nama_pp);
public void onFocusChange(View v, boolean hasFocus) {
if(!hasFocus){
layout_nama_pp.setBackgroundResource(R.drawable.border_corner_baris1);
}else {
layout_nama_pp.setBackgroundResource(R.drawable.border_corner_baris1_klik);
}
}
};
gelar_pp.setOnFocusChangeListener(listener);
ibu_pp.setOnFocusChangeListener(listener);
edit_bukti_lain_pp.setOnFocusChangeListener(listener);
对于EditText,如果之前没有设置,请将focusable属性设置为true
editText.setFocusable(true);
像这样试试
edit_Text.setOnFocusChangeListener(new OnFocusChangeListener() {
@Override
public void onFocusChange(View v, boolean hasFocus) {
if(hasFocus){
Toast.makeText(getApplicationContext(), "on focus", Toast.LENGTH_LONG).show();
}else {
Toast.makeText(getApplicationContext(), "lost focus", Toast.LENGTH_LONG).show();
}
}
});
外接程序XML
android:focusable="true"
android:focusableInTouchMode="true"
非常感谢。这是我错过的东西。你看起来好像知道如何使用
onFocusChangeListener
你能帮我解决我在这里发布的问题吗@ahitt6345:-回答了您的问题,请检查并让我知道在我的情况下是否不起作用,两者都必须设置为真(Kotlin 1.4.31,SDK 30)