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[英]Error inflating class android.fragment.app.FragmentContainerView, can someone tell me what I'm missing
[英]Can someone who uses android studio tell me what to do?
单击按钮时我的应用程序关闭,有人知道为什么吗? 如果发现任何错误,请告诉我;)此活动约为两个按钮,当按下这些按钮时,将显示一个TimePickerDialog并节省时间。
这是我的代码:
package app.alexdickson.com.workout1;
import android.app.Dialog;
import android.app.TimePickerDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageButton;
import android.widget.TimePicker;
import android.widget.Toast;
public class Main2Activity extends AppCompatActivity implements View.OnClickListener{
ImageButton botoFlexio;
ImageButton botoAbdominals;
static final int DIALOG_ID = 0;
int hour_x;
int minute_x;
int hourDefinitivaFlexio;
int minuteDefinitvaFlexio;
int hourDefinitivaAbs;
int minuteDefinitivaAbs;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
botoFlexio = (ImageButton) findViewById(R.id.botoFlexio);
botoAbdominals = (ImageButton) findViewById(R.id.botoAbdominals);
botoFlexio.setOnClickListener(this);
botoAbdominals.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch (v.getId()){
case R.id.botoFlexio:
botoFlexio.setBackgroundResource(R.drawable.flexioclicat);
showDialog(DIALOG_ID);
hourDefinitivaFlexio = hour_x;
minuteDefinitvaFlexio = minute_x;
break;
case R.id.botoAbdominals:
botoFlexio.setBackgroundResource(R.drawable.abdominalsclicat);
showDialog(DIALOG_ID);
hourDefinitivaAbs = hour_x;
minuteDefinitivaAbs = minute_x;
break;
}
}
@Override
protected Dialog onCreateDialog(int id) {
if (id == DIALOG_ID)
return new TimePickerDialog(Main2Activity.this, kTimePickerListener, hour_x, minute_x, true);
return null;
}
protected TimePickerDialog.OnTimeSetListener kTimePickerListener =
new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
hour_x = hourOfDay;
minute_x = minute;
Toast.makeText(Main2Activity.this, hour_x + ": " + minute_x, Toast.LENGTH_LONG).show();
}
};
这是我的xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:weightSum="2"
android:orientation="horizontal"
android:theme="@android:style/Theme.Black.NoTitleBar.Fullscreen" >
<ImageButton
android:layout_width="0dp"
android:layout_height="400dp"
android:layout_weight="1"
android:id="@+id/botoAbdominals"
android:background="@drawable/abdominals"
android:contentDescription="ImatgeAbdominals"
android:layout_marginTop="50dp"
android:layout_marginRight="10dp"
android:layout_marginLeft="10dp"
/>
<ImageButton
android:layout_width="0dp"
android:layout_height="400dp"
android:layout_weight="1"
android:id="@+id/botoFlexio"
android:layout_gravity="top"
android:layout_marginTop="50dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:background="@drawable/flexio"
android:contentDescription="ImatgeFlexio"
/>
谢谢你的帮助 !!!!
初始化按钮后,将按钮注册为监听器。
botoFlexio.setOnClickListener(this);
botoAbdominals.setOnClickListener(this);
您需要将侦听器设置为ImageButton
。
例如:
@Override
protected void onCreate(Bundle savedInstanceState) {
....
botoFlexio.setOnClickListener(this);
botoAbdominals.setOnClickListener(this);
}
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