显示错误，在启动活动中找不到合适的方法，错误是：
错误：（123,17）错误：找不到适合startActivities（Intent）方法的方法Context.startActivities（Intent []）不适用（参数不匹配; Intent无法转换为Intent []）方法ContextWrapper.startActivities （Intent []）不适用（参数不匹配; Intent无法转换为Intent []）方法Activity.startActivities（Intent []）不适用（参数不匹配; Intent无法转换为Intent []）包com.smartcodeone .newapp1;
public class MainActivity extends ListActivity{
public static final String STRING_VAR = "com.smartcodeone.newapp1.HELLO_WORLD";
public static final String STRING_RATE = "com.smartcodeone.newapp1.RAIING";
/**
* ATTENTION: This was auto-generated to implement the App Indexing API.
* See https://g.co/AppIndexing/AndroidStudio for more information.
*/
private GoogleApiClient client;
public ListView listView_allContacts;
//ArrayAdapter adapter=new ArrayAdapter<String>(this,R.layout.,StringArray);
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listView_allContacts=getListView();
//(ListView) findViewId(R.id.listView_allContacts);
//listView_allContacts.setAdapter(adapter);
Button btnMsg = (Button) findViewById(R.id.btnMsg);
Button btnint = (Button) findViewById(R.id.btnshare);
// Button btnWidge t = (Button) findViewById(R.id.btnwidget);
// TextView etName1 = (TextView) findViewId(R.id.etName);
// EditText etName = (EditText) findViewId(R.id.tvName);
btnMsg.setOnClickListener(new View.OnClickListener() {
//when user click's this function will be called
public void onClick(View v) {
Intent intentvar = new Intent(getApplicationContext(), Main2Activity.class);
intentvar.putExtra(STRING_VAR, "Hello World"); //this is used to pass data to next intent
intentvar.putExtra(STRING_RATE, 3);
startActivity(intentvar);
}
});
btnint.setOnClickListener(new View.OnClickListener() {
//when user want to share something
public void onClick(View v) {
Intent intentShare = new Intent(Intent.ACTION_SEND);
intentShare.setType("text/palin");
intentShare.putExtra(Intent.EXTRA_TEXT, "This is invitation to all my friend to see this app");
//ensure we have an appliction that can handle this type of data
if (intentShare.resolveActivity(getPackageManager()) != null) {
startActivity(intentShare);
}
}
});
/*btnWidget.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Intent intentwid = new Intent(getApplicationContext(), NewAppWidget.class);
startActivity(intentwid);
}
});
*/
// ATTENTION: This was auto-generated to implement the App Indexing API.
// See https://g.co/AppIndexing/AndroidStudio for more information.
client = new GoogleApiClient.Builder(this).addApi(AppIndex.API).build();
}
private int findViewId(int btnMsg) {
return 0;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
switch (item.getItemId()){
case R.id.menu_new_contact:
// startActivities(new Intent(MainActivity.this, ContactDetailsActivity.class));
break;
}
return super.onOptionsItemSelected(item);
}
/* @Override
public FragmentManager getSupportFragmentManager() {
return null;
}
*/
@Override
public void onStart() {
super.onStart();
// ATTENTION: This was auto-generated to implement the App Indexing API.
// See https://g.co/AppIndexing/AndroidStudio for more information.
client.connect();
Action viewAction = Action.newAction(
Action.TYPE_VIEW, // TODO: choose an action type.
"Main Page", // TODO: Define a title for the content shown.
// TODO: If you have web page content that matches this app activity's content,
// make sure this auto-generated web page URL is correct.
// Otherwise, set the URL to null.
Uri.parse("http://host/path"),
// TODO: Make sure this auto-generated app URL is correct.
Uri.parse("android-app://com.smartcodeone.newapp1/http/host/path")
);
AppIndex.AppIndexApi.start(client, viewAction);
}
@Override
public void onStop() {
super.onStop();
// ATTENTION: This was auto-generated to implement the App Indexing API.
// See https://g.co/AppIndexing/AndroidStudio for more information.
Action viewAction = Action.newAction(
Action.TYPE_VIEW, // TODO: choose an action type.
"Main Page", // TODO: Define a title for the content shown.
// TODO: If you have web page content that matches this app activity's content,
// make sure this auto-generated web page URL is correct.
// Otherwise, set the URL to null.
Uri.parse("http://host/path"),
// TODO: Make sure this auto-generated app URL is correct.
Uri.parse("android-app://com.smartcodeone.newapp1/http/host/path")
);
AppIndex.AppIndexApi.end(client, viewAction);
client.disconnect();
}
/* protected void onResume(){
Dbhelper db =new Dbhelper(this);
ArrayList<String> names=new ArrayList<String>();
for(int i=0;i<db.getAllContact().size();i++)
names.add(db.getAllContact().get(i).getName());
ArrayAdapter adapter =new ArrayAdapter(this,android.R.layout.simple_list_item_1,names);
listView_allContacts.setAdapter(adapter);
}*/
}
答案 0 :(得分：1)
替换（在onOptionsItemSelected方法内）：
startActivities(new Intent(MainActivity.this, ContactDetailsActivity.class));
使用：
startActivity(new Intent(MainActivity.this, ContactDetailsActivity.class));