[英]TextView out of the Screen
我正在構建一個聊天應用程序,因此我將氣泡顯示為textView和imageView的背景。
為了能夠區別來自用戶的消息,我隱藏了一個imageView(使用visibilty.Gone),並將layout_gravity更改為從右到左以正確顯示消息。
一切工作都很好,除非來自“馬克·扎克伯格”的消息(並且僅當來自他的消息)太長時,textview不在屏幕上。
這是我的布局:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/wrapper"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<br.com.guitcastro.meetapp.views.CircularImageView
android:id="@+id/leftImageView"
android:layout_width="70dp"
android:layout_height="70dp"
android:layout_gravity="center_vertical"
android:padding="10dp"
android:paddingLeft="10dp"
android:visibility="visible" />
<TextView
android:id="@+id/comment"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_margin="10dp"
android:background="@drawable/bubble_purple"
android:gravity="center_vertical|center_horizontal"
android:text="Hello bubbles! This is a very ver"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="@android:color/primary_text_light" />
<br.com.guitcastro.meetapp.views.CircularImageView
android:id="@+id/rightImageView"
android:layout_width="70dp"
android:layout_height="70dp"
android:layout_gravity="center_vertical"
android:padding="10dp"
android:paddingLeft="10dp"
android:visibility="visible" />
</LinearLayout>
顯示“正確”布局的代碼:
if (left) {
rightImageView.setVisibility(View.GONE);
leftImageView.setVisibility(View.VISIBLE);
messageText.setTextColor(Color.WHITE);
this.setImageDrawable(leftImageView, me);
messageText.setBackgroundResource(R.drawable.bubble_green);
wrapper.setGravity(Gravity.LEFT);
} else {
leftImageView.setVisibility(View.GONE);
rightImageView.setVisibility(View.VISIBLE);
this.setImageDrawable(rightImageView, StringUtils.parseName(message.getFrom()));
messageText.setBackgroundResource(R.drawable.bubble_yellow);
wrapper.setGravity(Gravity.RIGHT);
}
這是我現在擁有的一個screenShot(我知道氣泡是錯誤的,請忽略,這現在不重要)。
maybe this can help you
// get dimensions
Display display = getWindowManager().getDefaultDisplay();
int width = display.getWidth(); // largura
// get dimensions in percent
double percentWidth = width/100;
int percentToSetHeight = percentHeight*80;
if (left) {
rightImageView.setVisibility(View.GONE);
leftImageView.setVisibility(View.VISIBLE);
messageText.setTextColor(Color.WHITE);
messageText.setMaxWidth(percentToSetHeight);
this.setImageDrawable(leftImageView, me);
messageText.setBackgroundResource(R.drawable.bubble_green);
wrapper.setGravity(Gravity.LEFT);
} else {
leftImageView.setVisibility(View.GONE);
rightImageView.setVisibility(View.VISIBLE);
this.setImageDrawable(rightImageView, StringUtils.parseName(message.getFrom()));
messageText.setMaxWidth(percentToSetHeight);
messageText.setBackgroundResource(R.drawable.bubble_yellow);
wrapper.setGravity(Gravity.RIGHT);
}
// try this way,hope this will help you...
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/wrapper"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<br.com.guitcastro.meetapp.views.CircularImageView
android:id="@+id/leftImageView"
android:layout_width="70dp"
android:layout_height="70dp"
android:layout_gravity="center_vertical"
android:padding="10dp"
android:paddingLeft="10dp"
android:visibility="visible" />
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1">
<TextView
android:id="@+id/comment"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_margin="10dp"
android:background="@drawable/bubble_purple"
android:gravity="center"
android:text="Hello bubbles! This is a very ver"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="@android:color/primary_text_light" />
</LinearLayout>
<br.com.guitcastro.meetapp.views.CircularImageView
android:id="@+id/rightImageView"
android:layout_width="70dp"
android:layout_height="70dp"
android:layout_gravity="center_vertical"
android:padding="10dp"
android:paddingLeft="10dp"
android:visibility="visible" />
</LinearLayout>
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