Hi Anyone can help?
On 12月5日, 下午3时40分, MK <[EMAIL PROTECTED]> wrote:
> I have a problem in following code:
> Activity---HelloAndroid
> ......
> btnSpp.setOnClickListener(new View.OnClickListener(){
> public void onClick(View v){
> Intent i=new Intent();
> i.setClass(HelloAndroid.this,
> SharePreferencePage.class);
> startActivityForResult(i,REQUEST_TYPE_B);
> }
> }); // Jump to another input screen
> .......
> protected void onActivityResult(int requestCode, int
> resultCode, Intent data) {
> super.onActivityResult(requestCode, resultCode, data);
> ......
> TextView txt = (TextView)findViewById(R.id.txt);
> SharedPreferences
> sp=getSharedPreferences("Text",0);
>
> android.util.Log.d("HA","---->"+sp.getString("Text", "none"));
>
> txt.setText(sp.getString("Text",
> "null"));
> ......
> } //Accept the return value from sharedPreferences
> Activity--SharePreferencePage
> ......
> btn.setOnClickListener(new View.OnClickListener(){
> public void onClick(View v){
> result=et.getText().toString();
> SharedPreferences
> sp=getSharedPreferences("Text",0);
> SharedPreferences.Editor edit=sp.edit();
> edit.putString("Text", result);
> try{
> boolean b=edit.commit();
> setResult(Activity.RESULT_OK);
> }catch(Exception e){
>
> android.util.Log.d("SPP","---->expetion:"+e.toString());
> }
> finish();
> }
> });
> .............
> =====================================================
> The problem is in "boolean b=edit.commit();" , it's always false. But
> the value is set successfully. And can be get from SharedPreferences
> sp=getSharedPreferences("Text",0);
> In Spec, commit() return false mean write flase. Why in this case it
> will return false?
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