新しいアクティビティ（結果）で国を書くと、メインのアクティビティと自分が書いた色で国を書き、新しいアクティビティでテキストの色が自分が書いたものに変わります。ただし、[OK]ボタンと[キャンセル]ボタンは、解決策を検索した情報を転送せず、成功しません。
主な活動 -
public class MainActivity extends Activity implements OnClickListener {
TextView tvDisplayCountry;
Random crazy;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_main);
initsialize();
}
private void initsialize() {
Button bAddCountry = (Button) findViewById(R.id.bAddCountry);
bAddCountry.setOnClickListener(this);
tvDisplayCountry = (TextView) findViewById(R.id.tvDisplayCountry);
// ImageView ivCountryPhoto =
// (ImageView)findViewById(r.id.ivCountryPhoto);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.bAddCountry:
Intent countryactivityIntent = new Intent(MainActivity.this,
CountryActivity.class);
startActivityForResult(countryactivityIntent, 12);
break;
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
switch(resultCode){
case 12:
if (resultCode == Activity.RESULT_OK) {
String Country = data.getStringExtra("country");
String Color = data.getStringExtra("color");
tvDisplayCountry.setText(Country);
if (Color.equalsIgnoreCase("blue")) {
tvDisplayCountry.setTextColor(android.graphics.Color.BLUE);
} else if (Color.equalsIgnoreCase("yellow")) {
tvDisplayCountry
.setTextColor(android.graphics.Color.YELLOW);
} else if (Color.equalsIgnoreCase("gray")) {
tvDisplayCountry.setTextColor(android.graphics.Color.GRAY);
} else if (Color.equalsIgnoreCase("red")) {
tvDisplayCountry.setTextColor(android.graphics.Color.RED);
}
else{
Toast.makeText(MainActivity.this, "canceld", Toast.LENGTH_SHORT).show();
}
break;
}
}
super.onActivityResult(requestCode, resultCode, data);
}
}
CountryActivity-
public class CountryActivity extends Activity implements OnClickListener {
EditText etCountry, etColor;
String getCountry, getColor;
Button bOk,bCancel;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_country);
init();
}
private void init() {
etColor = (EditText)findViewById(R.id.etColor);
etCountry = (EditText)findViewById(R.id.etCountry);
bOk = (Button)findViewById(R.id.bOk);
bCancel = (Button)findViewById(R.id.bCancel);
bOk.setOnClickListener(this);
bCancel.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.bOk:
Intent myIntet = new Intent();
getCountry = etCountry.getText().toString();
myIntet.putExtra("country",getCountry );
getColor = etColor.getText().toString();
myIntet.putExtra("color", getColor);
setResult(Activity.RESULT_OK, myIntet);
finish();
break;
case R.id.bCancel:
Intent myIntent = new Intent();
setResult(Activity.RESULT_CANCELED, myIntent);
finish();
break;
}
}