1.Toast重復顯示問題解決
Toast.makeText()這個方法里面new了一個Toast,當我們點擊控件彈出Toast時,每次都會創(chuàng)建一個新的Toast
public static boolean isShow = true;
public static Toast toast = null;
/**
* 短時間顯示Toast
* @param message
*/
public static void showShort(CharSequence message) {
if (TextUtils.isEmpty(message))
return;
if (isShow) {
if (toast != null) {
toast.setText(message);
toast.setDuration(Toast.LENGTH_SHORT);
} else {
toast = Toast.makeText(MainApplication.getApplication(), message, Toast.LENGTH_SHORT);
toast.setGravity(Gravity.CENTER, 0, 0);
}
toast.show();
}
}
/**
* 長時間顯示Toast
* @param message
*/
public static void showLong(CharSequence message) {
if (TextUtils.isEmpty(message))
return;
if (isShow) {
Toast toast = Toast.makeText(MainApplication.getApplication(), message, Toast.LENGTH_LONG);
toast.setGravity(Gravity.CENTER, 0, 0);
toast.show();
}
}
/**
* 自定義顯示Toast時間
*
* @param message
* @param duration
*/
public static void show(CharSequence message, int duration) {
if (TextUtils.isEmpty(message))
return;
if (isShow) {
Toast toast = Toast.makeText(MainApplication.getApplication(), message, duration);
toast.setGravity(Gravity.CENTER, 0, 0);
toast.show();
}
}
/**
* 使toast不在顯示
*/
public static void cancelMyToast() {
if (toast != null) {
toast.cancel();
}
}
2.如果想讓Toast在離開當前界面時自動消失,那么就應該在相應的Activity或Fragment的onPause()生命周期方法中調(diào)用上述工具類中的cancelMyToast()這個方法,當然你在BaseActivity和BaseFragment中調(diào)用更方便
@Override
public void onPause() {
super.onPause();
T.cancelMyToast();
}