Question

我正在创建一个带数字键盘的应用。

XML CODE

    <android.support.constraint.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/colorPrimaryDark">

    <ImageView
        android:id="@+id/appIco"
        android:layout_width="70dp"
        android:layout_height="70dp"

        android:layout_marginStart="74dp"
        android:layout_marginTop="79dp"
        android:contentDescription="app image"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:srcCompat="@android:color/transparent" />
    <TextView
        android:id="@+id/appName"
        android:layout_width="71dp"
        android:layout_height="18dp"
        android:layout_marginStart="74dp"
        android:layout_marginTop="6dp"
        android:text="TextView"
        android:shadowColor="@android:color/black"
        android:textAlignment="center"
        android:textColor="@color/white"
        android:textSize="16sp"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/appIco" />

    <EditText
        android:id="@+id/pinField"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="266dp"
        android:layout_marginEnd="8dp"
        android:layout_marginLeft="8dp"
        android:layout_marginRight="8dp"
        android:layout_marginStart="8dp"
        android:backgroundTint="@android:color/transparent"
        android:ems="10"
        android:inputType="numberPassword"
        android:textAlignment="center"
        android:textColor="@color/custom_color"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent" />

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="33dp"
        android:layout_marginRight="33dp"
        android:layout_marginTop="79dp"
        android:orientation="vertical"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <TextView
            android:id="@+id/timeField"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"

            android:layout_gravity="center_horizontal"
            android:fontFamily="sans-serif-smallcaps"
            android:gravity="center_vertical"
            android:shadowColor="#80000000"
            android:shadowDx="1"
            android:shadowDy="1"
            android:shadowRadius="2"
            android:text="12:34"
            android:textColor="@color/white"
            android:textSize="60sp" />


        <TextView
            android:id="@+id/dayField"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_horizontal"
            android:fontFamily="sans-serif-smallcaps"
            android:shadowColor="#80000000"
            android:shadowDx="1"
            android:shadowDy="1"
            android:shadowRadius="2"
            android:text="TextView"
            android:textColor="@color/white"
            android:textSize="18sp"
            tools:text="SATURDAY," />
    </LinearLayout>

    <TextView
        android:id="@+id/timer"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="0dp"
        android:layout_marginLeft="8dp"
        android:layout_marginRight="8dp"
        android:textAlignment="center"
        android:textColor="@color/custom_color"
        android:visibility="invisible"
        app:layout_constraintBottom_toTopOf="@+id/pinField"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent" />

    <TableLayout
        android:id="@+id/tb"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginLeft="8dp"
        android:layout_marginRight="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        android:visibility="visible"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/pinField"
        app:layout_constraintVertical_bias="0.491">

        <TableRow
            android:id="@+id/tr1"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <ImageButton
                android:id="@+id/one"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent"
                app:srcCompat="@drawable/ic_one_48dp" />

            <ImageButton
                android:id="@+id/two"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent"
                app:srcCompat="@drawable/ic_two_48dp" />

            <ImageButton
                android:id="@+id/three"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent"
                app:srcCompat="@drawable/ic_three_48dp" />

        </TableRow>

        <TableRow
            android:id="@+id/tr2"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <ImageButton
                android:id="@+id/four"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent"
                app:srcCompat="@drawable/ic_four_48dp" />

            <ImageButton
                android:id="@+id/five"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent"
                app:srcCompat="@drawable/ic_five_48dp" />

            <ImageButton
                android:id="@+id/six"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent"
                app:srcCompat="@drawable/ic_six_48dp" />

        </TableRow>

        <TableRow
            android:id="@+id/tr3"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <ImageButton
                android:id="@+id/eight"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent"
                app:srcCompat="@drawable/ic_eight_48dp" />

            <ImageButton
                android:id="@+id/seven"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent"
                app:srcCompat="@drawable/ic_seven_48dp" />

            <ImageButton
                android:id="@+id/nine"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent"
                app:srcCompat="@drawable/ic_nine_48dp" />

        </TableRow>

        <TableRow
            android:id="@+id/tr4"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <ImageButton
                android:id="@+id/backSp"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent"
                app:srcCompat="@drawable/ic_backspace_white_48dp" />

            <ImageButton
                android:id="@+id/zero"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent"
                app:srcCompat="@drawable/ic_zero_48dp" />

            <ImageButton
                android:id="@+id/done"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent"
                app:srcCompat="@drawable/ic_check_white_48dp" />

        </TableRow>

    </TableLayout>


</android.support.constraint.ConstraintLayout>

所需的输出应该是这样的：

但键盘未显示在输出中：

这是java代码：

ImageButton one,two,three,four,five,six,seven,eight,nine,zero,done,backSp;
TableLayout tb;
TableRow tr1,tr2,tr3,tr4;
EditText password;
TextView time,day,appName,timer;
ImageView appIco;
Intent i;
Receiver r;
int wrongCounter,c,maxWrong,maxLength;
boolean quick_unlock = true;
String pass = "1234";

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.pin_app_lock);
    setup();
    Setter();
    passwordInputHandler();

}

private void setup(){




    tb  = findViewById(R.id.tb);
    tr1 = tb.findViewById(R.id.tr1);
    tr2 = tb.findViewById(R.id.tr2);
    tr3 = tb.findViewById(R.id.tr3);
    tr4 = tb.findViewById(R.id.tr4);

    one = tr1.findViewById(R.id.one);
    two = tr1.findViewById(R.id.two);
    three = tr1.findViewById(R.id.three);
    four = tr2.findViewById(R.id.four);
    five = tr2.findViewById(R.id.five);
    six = tr2.findViewById(R.id.six);
    seven = tr3.findViewById(R.id.seven);
    eight = tr3.findViewById(R.id.eight);
    nine = tr3.findViewById(R.id.nine);
    zero = tr4.findViewById(R.id.zero);
    done = tr4.findViewById(R.id.done);
    backSp = tr4.findViewById(R.id.backSp);

    appIco = findViewById(R.id.appIco);
    appName = findViewById(R.id.appName);
    timer = findViewById(R.id.timer);
    password = findViewById(R.id.pinField);
    time = findViewById(R.id.timeField);
    day = findViewById(R.id.dayField);

    i=getIntent();
    r=new Receiver();

    wrongCounter=0;
    c=0;
    maxWrong = 3;
    maxLength = 4;
    password.setShowSoftInputOnFocus(false);
}

//Sets Time,App Icon
private void Setter(){
    final Handler someHandler = new Handler(getMainLooper());
    someHandler.postDelayed(new Runnable() {
        @Override
        public void run() {
            time.setText(new SimpleDateFormat("hh:mm", Locale.US).format(new Date()));
            //   time.setText(new SimpleDateFormat("HH:mm", Locale.US).format(new Date()));//HH for 24 hrs clock
            someHandler.postDelayed(this, 1000);
        }
    }, 10);
    someHandler.postDelayed(new Runnable() {
        @Override
        public void run() {
            String str = new SimpleDateFormat("EEE", Locale.US).format(new Date());
            if(str.equalsIgnoreCase("sun")){str="SUNDAY, ";}
            else if(str.equalsIgnoreCase("mon")){str="MONDAY, ";}
            else if(str.equalsIgnoreCase("tue")){str="TUESDAY, ";}
            else if(str.equalsIgnoreCase("wed")){str="WEDNESDAY, ";}
            else if(str.equalsIgnoreCase("thu")){str="THURSDAY, ";}
            else if(str.equalsIgnoreCase("fri")){str="FRIDAY, ";}
            else{str="SATURDAY, ";}
            String str1 = new SimpleDateFormat("MMM dd", Locale.US).format(new Date()).toUpperCase();
            if(str.substring(0,3).equalsIgnoreCase("mar")){str+="MARCH"+str1.substring(3);}
            else if(str.substring(0,3).equalsIgnoreCase("apr")){str+="APRIL"+str1.substring(3);}
            else if(str.substring(0,3).equalsIgnoreCase("jun")){str+="JUNE"+str1.substring(3);}
            else if(str.substring(0,3).equalsIgnoreCase("jul")){str+="JULY"+str1.substring(3);}
            else if(str.substring(0,3).equalsIgnoreCase("aug")){str+="AUGUST"+str1.substring(3);}
            else{str+=str1;}

            day.setText(str);
            someHandler.postDelayed(this, 1000);
        }
    }, 10);



    try
    {
        Drawable d = getPackageManager().getApplicationIcon(i.getStringExtra("pname"));
        appIco.setImageDrawable(d);
    }
    catch (PackageManager.NameNotFoundException e)
    {
        Log.e("PACKAGE NOT FOUND","PACKAGE NOT FOUND");
    }

    appName.setText(i.getStringExtra("appName"));


}

//Password Edittext Handling
private void passwordInputHandler(){

    one.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            password.setText(password.getText()+"1");
        }
    });

    two.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            password.setText(password.getText()+"2");
        }
    });

    three.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            password.setText(password.getText()+"3");
        }
    });

    four.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            password.setText(password.getText()+"4");
        }
    });

    five.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            password.setText(password.getText()+"5");
        }
    });

    six.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            password.setText(password.getText()+"6");
        }
    });

    seven.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            password.setText(password.getText()+"7");
        }
    });

    eight.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            password.setText(password.getText()+"8");
        }
    });

    nine.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            password.setText(password.getText()+"9");
        }
    });

    zero.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            password.setText(password.getText()+"0");
        }
    });

    backSp.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            password.setText(password.getText().toString().substring(0, password.getText().toString().length() - 1));
        }
    });



}

所以有人可以告诉我这个问题吗？

表格布局未显示：

0 个答案: